Submission #1153772

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153772		YSH2020	Po (COCI21_po)	C++20	0 / 70	22 ms	836 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
  int n; cin >> n;
  int a[n+1]; for (int i = 0; i < n; i++) cin >> a[i];
  stack<int> x;
  int ans = 0;
  for (int i = 0; i < n; i++) {
    int taken = 0;
    while (x.size() > 0 and x.top() > a[i]) {
      if (taken == 0) {
        ans += x.top()-a[i];
        taken = 1;
      }
      x.pop();
    }
    x.push(a[i]);
  }
  ans += x.top();
  cout << ans;
}

• Subtask 1: 0 / 70