oj.uz

답안 #512404

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
512404 2022-01-16T10:34:56 Z Kaguya Po (COCI21_po) C++17
70 / 70
 9 ms 460 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n; 
  stack<int> st;
  int ans = 0;
  for (int i = 0; i < n; i++) {
    int x;
    cin >> x;
    while (!st.empty() && st.top() > x)
      st.pop();
    if (x != 0) {
      if (st.empty() || (!st.empty() && st.top() != x)) {
        ans++;
        st.push(x);
      }
    }
  }
  cout << ans << '\n';
}

Subtask #1
70.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 4 ms 204 KB Output is correct
5 Correct 5 ms 204 KB Output is correct
6 Correct 9 ms 460 KB Output is correct
7 Correct 9 ms 204 KB Output is correct