Datasets:
Tasks:
Text Generation
Modalities:
Text
Formats:
json
Languages:
English
Size:
< 1K
ArXiv:
Tags:
competitive-programming
code-generation
specification-generation
proof-generation
verification
rust
License:
| use vstd::prelude::*; | |
| fn main() {} | |
| verus! { | |
| pub struct Solution; | |
| impl Solution { | |
| pub fn num_of_burgers(tomato_slices: i32, cheese_slices: i32) -> (result: Vec<i32>) | |
| requires | |
| 0 <= tomato_slices <= 10_000_000, | |
| 0 <= cheese_slices <= 10_000_000, | |
| ensures | |
| result@.len() == 0 || result@.len() == 2, | |
| result@.len() == 2 ==> ( | |
| result@[0] >= 0 | |
| && result@[1] >= 0 | |
| && 4 * (result@[0] as int) + 2 * (result@[1] as int) == tomato_slices as int | |
| && (result@[0] as int) + (result@[1] as int) == cheese_slices as int | |
| ), | |
| result@.len() == 2 <==> ( | |
| tomato_slices as int % 2 == 0 | |
| && 2 * (cheese_slices as int) <= tomato_slices as int | |
| && tomato_slices as int <= 4 * (cheese_slices as int) | |
| ), | |
| { | |
| if tomato_slices % 2 != 0 { | |
| return Vec::new(); | |
| } | |
| let jumbo = tomato_slices / 2 - cheese_slices; | |
| let small = cheese_slices - jumbo; | |
| if jumbo < 0 || small < 0 { | |
| return Vec::new(); | |
| } | |
| let mut result = Vec::new(); | |
| result.push(jumbo); | |
| result.push(small); | |
| result | |
| } | |
| } | |
| } | |