제출 #522903

#제출 시각아이디문제언어결과실행 시간메모리
522903Alex_tz307Bigger segments (IZhO19_segments)C++17
0 / 100
0 ms204 KiB
#include <bits/stdc++.h>

using namespace std;

void testCase() {
  int n;
  cin >> n;
  vector<int> a(n + 1);
  for (int i = 1; i <= n; ++i) {
    cin >> a[i];
  }
  int best = 1;
  for (int pref = 1; pref <= n; ++pref) {
    int64_t last = 0;
    for (int i = 1; i <= pref; ++i) {
      last += a[i];
    }
    int64_t sum = 0;
    int cnt = 1;
    bool ok = true;
    for (int i = pref + 1; i <= n; ++i) {
      sum += a[i];
      if (sum >= last) {
        cnt += 1;
        sum = 0;
      } else {
        if (i == n) {
          ok = false;
        }
      }
    }
    if (ok) {
      best = max(best, cnt);
    }
  }
  cout << best << '\n';
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int tests = 1;
  for (int tc = 0; tc < tests; ++tc) {
    testCase();
  }
  return 0;
}
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