Submission

Score: 100

User: mumumimi

Problemset: ปริมาตรน้ำท่วม

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-01 23:51:49

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    int arr[n];
    int total = 0;
    for(int i=0;i<n;i++) cin >> arr[i] ;

    for(int i=0;i<n;i++){
        int leftmax=0;
        int rightmax = 0;
        for(int j=0;j<=i;j++){
            leftmax = max(leftmax,arr[j]);
        }
        for(int j=n-1;j>=i;j--){
            rightmax = max(rightmax,arr[j]);
        }
        int water = min(rightmax,leftmax)-arr[i];
        total+=water;
    }
    cout << total;
}