oj.uz

답안 #586370

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
586370 2022-06-30T07:56:41 Z MilosMilutinovic Paprike (COI18_paprike) C++14
13 / 100
 38 ms 8128 KB 
/**
 *    author:  wxhtzdy
 *    created: 30.06.2022 09:53:47
**/
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);  
  int n, k;
  cin >> n >> k;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  vector<vector<int>> g(n);
  for (int i = 0; i < n - 1; i++) {
    int u, v;
    cin >> u >> v;
    --u; --v;
    g[u].push_back(v);
    g[v].push_back(u);
  }
  int ans = 0;
  for (int i = 0; i < n; i++) {
    int ptr = i;
    long long s = 0;
    while (ptr < n && s + a[ptr] <= k)  {
      s += a[ptr];
      ptr += 1;
    }
    ans += (ptr < n);
    i = ptr - 1;
  }
  cout << ans << '\n';                             
  return 0;
}

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 33 ms 8076 KB Output is correct
2 Correct 35 ms 8128 KB Output is correct
3 Correct 33 ms 8128 KB Output is correct
4 Correct 37 ms 8112 KB Output is correct
5 Correct 34 ms 8028 KB Output is correct
6 Correct 32 ms 7988 KB Output is correct
7 Correct 34 ms 8036 KB Output is correct
8 Correct 38 ms 7596 KB Output is correct

Subtask #3
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -