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impl Solution {
fn sum_with_divisor(nums: &Vec<i32>, divisor: i32) -> i64
{
let mut sum: i64 = 0;
let mut i: usize = 0;
while i < nums.len()
{
let n = nums[i];
let term: i64 = (n as i64 + divisor as i64 - 1) / divisor as i64;
sum += term;
i += 1;
}
sum
}
pub fn smallest_divisor(nums: Vec<i32>, threshold: i32) -> i32
{
let mut left: i32 = 1;
let mut right: i32 = 1_000_000;
while left < right
{
let mid = left + (right - left) / 2;
let sum = Self::sum_with_divisor(&nums, mid);
if sum <= threshold as i64 {
right = mid;
} else {
left = mid + 1;
}
}
left
}
}