Submission

Score: 100

User: ssens3

Problemset: ปริมาตรน้ำท่วม

Language: cpp

Time: 0.003 second

Submitted On: 2026-10-05 19:08:09

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int main() {
    int n, s = 0, t; cin >> n; vector<int> v(n);
    for(int i = 0; i < n; i++) cin >> v[i];
    for (int i = 1; i < v.size() - 1; i++) {
        int l = v[i], r = v[i];
        for (int j = 0; j < i; j++) l = max(l, v[j]);
        for (int j = i + 1; j < v.size(); j++) r = max(r, v[j]);
        s += (min(l, r) - v[i]);
    }
    cout << s;
}