message stringlengths 2 22.8k | message_type stringclasses 2
values | message_id int64 0 1 | conversation_id int64 16 109k | cluster float64 1 1 | __index_level_0__ int64 32 217k |
|---|---|---|---|---|---|
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold at the last station.
Let ρi, j be the minimum n... | instruction | 0 | 60,259 | 1 | 120,518 |
Tags: data structures, dp, greedy
Correct Solution:
```
def main():
from collections import deque
n = int(input())
aa, bb = list(map(int, input().split())), [0] * n
q, bb[1] = deque([(n - 1, aa.pop())]), 1
aa.reverse()
for i, a in enumerate(aa, 2):
if a == n:
bb[i] = i
... | output | 1 | 60,259 | 1 | 120,519 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold at the last station.
Let ρi, j be the minimum n... | instruction | 0 | 60,260 | 1 | 120,520 |
Tags: data structures, dp, greedy
Correct Solution:
```
from collections import deque
def argmax(que, z): #二分求[i+1, a[i]]中a[x]最大的x
l = 0
r = len(que) - 1
while (l <= r):
mid = int((l + r) / 2)
x = que[mid]['i']
if (x <= z):
r = mid - 1
else:
l = mid ... | output | 1 | 60,260 | 1 | 120,521 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold at the last station.
Let ρi, j be the minimum n... | instruction | 0 | 60,261 | 1 | 120,522 |
Tags: data structures, dp, greedy
Correct Solution:
```
"""
n=int(input())
s=[int(x) for x in input().split()]+[n]
pos=[]
for i in range(0,len(s)-1):
temp=-1
p=i+1
for j in range(i+1,s[i]):
if(temp<s[j]):
temp=max(temp,s[j])
p=j
pos.append(p)
pos.append(0)
ans=0
dp=[0]*... | output | 1 | 60,261 | 1 | 120,523 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold at the last station.
Let ρi, j be the minimum n... | instruction | 0 | 60,262 | 1 | 120,524 |
Tags: data structures, dp, greedy
Correct Solution:
```
'''
Time complexity: O(N *log(N))
Space complexity: O(N)
where N is the size of input array
'''
from sys import stdin
MAXN = (1 << 17)
def build(arr, n, segtree) :
for i in range(n) :
segtree[MAXN + i] = [arr[i], i]
for... | output | 1 | 60,262 | 1 | 120,525 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold a... | instruction | 0 | 60,263 | 1 | 120,526 |
Yes | output | 1 | 60,263 | 1 | 120,527 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold a... | instruction | 0 | 60,264 | 1 | 120,528 |
No | output | 1 | 60,264 | 1 | 120,529 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold a... | instruction | 0 | 60,265 | 1 | 120,530 |
No | output | 1 | 60,265 | 1 | 120,531 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold a... | instruction | 0 | 60,266 | 1 | 120,532 |
No | output | 1 | 60,266 | 1 | 120,533 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Vasya commutes by train every day. There are n train stations in the city, and at the i-th station it's possible to buy only tickets to stations from i + 1 to ai inclusive. No tickets are sold a... | instruction | 0 | 60,267 | 1 | 120,534 |
No | output | 1 | 60,267 | 1 | 120,535 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,511 | 1 | 121,022 |
"Correct Solution:
```
int(input())
li = list(map(int,input().split()))
print(max(li)-min(li))
``` | output | 1 | 60,511 | 1 | 121,023 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,512 | 1 | 121,024 |
"Correct Solution:
```
input()
l=sorted(set(map(int,input().split())))
print(max(l)-min(l))
``` | output | 1 | 60,512 | 1 | 121,025 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,513 | 1 | 121,026 |
"Correct Solution:
```
n = input()
a = sorted(list(map(int, input().split())))
print(a[-1]-a[0])
``` | output | 1 | 60,513 | 1 | 121,027 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,514 | 1 | 121,028 |
"Correct Solution:
```
input()
lis = list(map(int,input().split()))
print(max(lis)-min(lis))
``` | output | 1 | 60,514 | 1 | 121,029 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,515 | 1 | 121,030 |
"Correct Solution:
```
input()
a=sorted([int(i) for i in input().split()])
print(a[-1]-a[0])
``` | output | 1 | 60,515 | 1 | 121,031 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,516 | 1 | 121,032 |
"Correct Solution:
```
n=int(input())
*a,=map(int,input().split())
a.sort()
print(abs(a[-1]-a[0]))
``` | output | 1 | 60,516 | 1 | 121,033 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,517 | 1 | 121,034 |
"Correct Solution:
```
N = input()
a = list(map(int, input().split()))
print(max(a) - min(a))
``` | output | 1 | 60,517 | 1 | 121,035 |
Provide a correct Python 3 solution for this coding contest problem.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a_i. He has decided to deliver gifts to all these houses.... | instruction | 0 | 60,518 | 1 | 121,036 |
"Correct Solution:
```
N,M=input(),list(map(int,input().split()))
print(max(M)-min(M))
``` | output | 1 | 60,518 | 1 | 121,037 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,519 | 1 | 121,038 |
Yes | output | 1 | 60,519 | 1 | 121,039 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,520 | 1 | 121,040 |
Yes | output | 1 | 60,520 | 1 | 121,041 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,521 | 1 | 121,042 |
Yes | output | 1 | 60,521 | 1 | 121,043 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,522 | 1 | 121,044 |
Yes | output | 1 | 60,522 | 1 | 121,045 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,523 | 1 | 121,046 |
No | output | 1 | 60,523 | 1 | 121,047 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,524 | 1 | 121,048 |
No | output | 1 | 60,524 | 1 | 121,049 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,525 | 1 | 121,050 |
No | output | 1 | 60,525 | 1 | 121,051 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
It is only six months until Christmas, and AtCoDeer the reindeer is now planning his travel to deliver gifts.
There are N houses along TopCoDeer street. The i-th house is located at coordinate a... | instruction | 0 | 60,526 | 1 | 121,052 |
No | output | 1 | 60,526 | 1 | 121,053 |
Provide a correct Python 3 solution for this coding contest problem.
Alice and Bob are going to drive from their home to a theater for a date. They are very challenging - they have no maps with them even though they don’t know the route at all (since they have just moved to their new home). Yes, they will be going jus... | instruction | 0 | 60,597 | 1 | 121,194 |
"Correct Solution:
```
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,copy,functools
import time,random
sys.setrecursionlimit(10**7)
inf = 10**20
eps = 1.0 / 10**10
mod = 10**9+7
mod2 = 998244353
dd = [(-1,0),(0,1),(1,0),(0,-1)]
ddn = [(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)... | output | 1 | 60,597 | 1 | 121,195 |
Provide a correct Python 3 solution for this coding contest problem.
Alice and Bob are going to drive from their home to a theater for a date. They are very challenging - they have no maps with them even though they don’t know the route at all (since they have just moved to their new home). Yes, they will be going jus... | instruction | 0 | 60,598 | 1 | 121,196 |
"Correct Solution:
```
from heapq import heappush, heappop
import sys
readline = sys.stdin.readline
write = sys.stdout.write
def solve():
N, s, t = map(int, readline().split())
if N == 0:
return False
*Q, = map(int, readline().split())
G = [[] for i in range(N)]
for v in range(N):
*... | output | 1 | 60,598 | 1 | 121,197 |
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
You are a hero. The world in which the hero is traveling consists of N cities and M roads connecting different cities. Road i connects town a_i and town b_i and can move in both directions.
The purpose of the brave is to start fro... | instruction | 0 | 60,601 | 1 | 121,202 |
"Correct Solution:
```
from collections import deque
n, m, e, s, t, r = map(int, input().split())
edges = [[] for _ in range(n * 2 ** e)]
for _ in range(m):
a, b = map(int, input().split())
for i in range(2 ** e):
edges[a + n * i].append(b + n * i)
edges[b + n * i].append(a + n * i)
start = s
slide = {}
f... | output | 1 | 60,601 | 1 | 121,203 |
Provide a correct Python 3 solution for this coding contest problem.
Problem statement
You are a hero. The world in which the hero is traveling consists of N cities and M roads connecting different cities. Road i connects town a_i and town b_i and can move in both directions.
The purpose of the brave is to start fro... | instruction | 0 | 60,602 | 1 | 121,204 |
"Correct Solution:
```
import sys
from heapq import heappush,heappop
from collections import defaultdict
MA = 10000
def dijkstra(s,g):
d = defaultdict(lambda : MA)
q = [(0,s,1,0)]
d[(s,1,0)] = 0
while q:
dx,x,b,day = heappop(q)
day_ = day+1
if eve[x] > 0:
b = b|(1<<ev... | output | 1 | 60,602 | 1 | 121,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,488 | 1 | 122,976 |
Tags: geometry, implementation
Correct Solution:
```
from math import sqrt
def ro(x, y):
return sqrt((x[0] - y[0])**2 + (x[1] - y[1])**2)
a, b, c = list(map(int, input().split()))
A = [0, 0]
B = [0, 0]
A[0], A[1], B[0], B[1] = list(map(int, input().split()))
if a == 0 or b == 0:
#print(1)
print(float(ab... | output | 1 | 61,488 | 1 | 122,977 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,489 | 1 | 122,978 |
Tags: geometry, implementation
Correct Solution:
```
import math
def dist(a1, a2):
res = math.sqrt((a1[0]-a2[0])**2+(a1[1]-a2[1])**2)
return math.inf if math.isnan(res) else res
a,b,c=[*map(int, input().split())]
x1,y1,x2,y2=[*map(int, input().split())]
pa = (x1,y1)
pb = (x2,y2)
dpax = ((x1),(a*x1+c)/(-b)... | output | 1 | 61,489 | 1 | 122,979 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,490 | 1 | 122,980 |
Tags: geometry, implementation
Correct Solution:
```
from math import sqrt
def sqr(a):
return a * a
a, b, c = [float(i) for i in input().split()]
x1, y1, x2, y2 = [float(i) for i in input().split()]
if a == 0 or b == 0:
print(abs(x1 - x2) + abs(y1 - y2))
exit(0)
c1_y = -(a * x1 + c) / b
c2_y... | output | 1 | 61,490 | 1 | 122,981 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,491 | 1 | 122,982 |
Tags: geometry, implementation
Correct Solution:
```
from math import sqrt
def dist(p1, p2):
xa, ya = p1
xb, yb = p2
return sqrt((xa - xb) ** 2 + (ya - yb) ** 2)
def card_dist(p1, p2):
xa, ya = p1
xb, yb = p2
return abs(xa - xb) + abs(ya - yb)
a, b, c = map(int, input().split())
x1, y1, x2, ... | output | 1 | 61,491 | 1 | 122,983 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,492 | 1 | 122,984 |
Tags: geometry, implementation
Correct Solution:
```
def length(x1, y1, x2, y2):
return ((x1 - x2) ** 2 +(y1 - y2) ** 2) ** 0.5
def lengthhelp(xa, ya, xb, yb, xc, yc, xd, yd):
return length(xa, ya, xb, yb) + length(xc, yc, xb, yb) + length(xc, yc, xd, yd)
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map... | output | 1 | 61,492 | 1 | 122,985 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,493 | 1 | 122,986 |
Tags: geometry, implementation
Correct Solution:
```
a, b, c = map(int, input().split())
x1, y1, x2, y2 = map(int, input().split())
l = 0
xz1 = x1
if b != 0:
yz1 = (-c - x1 * a) / b
else:
yz1 = 9999999999999999999
if a != 0:
xz2 = (-c - y1 * b) / a
else:
xz2 = 9999999999999999999
yz2 = y1
xf1 = x2
if b... | output | 1 | 61,493 | 1 | 122,987 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,494 | 1 | 122,988 |
Tags: geometry, implementation
Correct Solution:
```
import math
a, b, c = [int(i) for i in input().split()]
x1, y1, x2, y2 = [int(i) for i in input().split()]
l1 = abs(x1-x2) + abs(y1-y2)
if(a == 0 or b == 0):
print(l1)
exit()
xa = -(b*y1+c)/a
ya = y1
xb = x1
yb = -(a*x1+c)/b
xc = -(b*y2+c)/a
yc = y2
xd = x2
y... | output | 1 | 61,494 | 1 | 122,989 |
Provide tags and a correct Python 3 solution for this coding contest problem.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular grid). However, there is a detail which makes ... | instruction | 0 | 61,495 | 1 | 122,990 |
Tags: geometry, implementation
Correct Solution:
```
from math import *
def dist(p1,p2) :
return sqrt( (p1[0]-p2[0])**2 + (p1[1]-p2[1])**2)
a, b, c = map(int, input().split())
if a == 0 : a = 0.000001
if b == 0 : b = 0.000001
x1, y1, x2, y2 = map(int, input().split())
p1 = [x1, (-c-a*x1) / b]
p2 = [(-c-b*y1) / a, y1... | output | 1 | 61,495 | 1 | 122,991 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,496 | 1 | 122,992 |
Yes | output | 1 | 61,496 | 1 | 122,993 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,497 | 1 | 122,994 |
Yes | output | 1 | 61,497 | 1 | 122,995 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,498 | 1 | 122,996 |
Yes | output | 1 | 61,498 | 1 | 122,997 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,499 | 1 | 122,998 |
Yes | output | 1 | 61,499 | 1 | 122,999 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,500 | 1 | 123,000 |
No | output | 1 | 61,500 | 1 | 123,001 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,501 | 1 | 123,002 |
No | output | 1 | 61,501 | 1 | 123,003 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,502 | 1 | 123,004 |
No | output | 1 | 61,502 | 1 | 123,005 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
In this problem we consider a very simplified model of Barcelona city.
Barcelona can be represented as a plane with streets of kind x = c and y = c for every integer c (that is, the rectangular... | instruction | 0 | 61,503 | 1 | 123,006 |
No | output | 1 | 61,503 | 1 | 123,007 |
Evaluate the correctness of the submitted Python 3 solution to the coding contest problem. Provide a "Yes" or "No" response.
Farmer John is obsessed with making Bessie exercise more!
Bessie is out grazing on the farm, which consists of n fields connected by m directed roads. Each road takes some time w_i to cross. Sh... | instruction | 0 | 61,602 | 1 | 123,204 |
No | output | 1 | 61,602 | 1 | 123,205 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bandits appeared in the city! One of them is trying to catch as many citizens as he can.
The city consists of n squares connected by n-1 roads in such a way that it is possible to reach any square from any other square. The square number 1 ... | instruction | 0 | 61,667 | 1 | 123,334 |
Tags: binary search, dfs and similar, graphs, greedy, trees
Correct Solution:
```
# by the authority of GOD author: manhar singh sachdev #
import os,sys
from io import BytesIO, IOBase
def dfs(child,n):
st,le,maxi = [1],1,1
lev = [[] for _ in range(n+1)]
lev[1].append(1)
while len(st):
if n... | output | 1 | 61,667 | 1 | 123,335 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bandits appeared in the city! One of them is trying to catch as many citizens as he can.
The city consists of n squares connected by n-1 roads in such a way that it is possible to reach any square from any other square. The square number 1 ... | instruction | 0 | 61,668 | 1 | 123,336 |
Tags: binary search, dfs and similar, graphs, greedy, trees
Correct Solution:
```
import os
import sys
from io import BytesIO, IOBase
# region fastio
BUFSIZE = 8192
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
self._fd = file.fileno()
self.buffer = BytesIO()
self.writab... | output | 1 | 61,668 | 1 | 123,337 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bandits appeared in the city! One of them is trying to catch as many citizens as he can.
The city consists of n squares connected by n-1 roads in such a way that it is possible to reach any square from any other square. The square number 1 ... | instruction | 0 | 61,669 | 1 | 123,338 |
Tags: binary search, dfs and similar, graphs, greedy, trees
Correct Solution:
```
import sys
import math
import heapq
import bisect
from collections import Counter
from collections import defaultdict
from io import BytesIO, IOBase
import string
class FastIO(IOBase):
newlines = 0
def __init__(self, file):
... | output | 1 | 61,669 | 1 | 123,339 |
Provide tags and a correct Python 3 solution for this coding contest problem.
Bandits appeared in the city! One of them is trying to catch as many citizens as he can.
The city consists of n squares connected by n-1 roads in such a way that it is possible to reach any square from any other square. The square number 1 ... | instruction | 0 | 61,670 | 1 | 123,340 |
Tags: binary search, dfs and similar, graphs, greedy, trees
Correct Solution:
```
n = int(input())
P = [-1] + list(map(lambda x: int(x) - 1, input().split()))
A = list(map(int, input().split()))
ans = 0
C = [[] for i in range(n)]
for i in range(1, n):
C[P[i]] += [i]
que = [0]
B = [0] * n
for i in r... | output | 1 | 61,670 | 1 | 123,341 |
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