Submission #3606631

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Source Code Expand

#include <iostream>
#include <algorithm>

typedef long long ll;

using namespace std;

int main() {
    ll n, x, cnt = 0, prev = 0, now;
    cin >> n >> x;
    for (ll i = 0; i < n; ++i) {
        cin >> now;
        prev = now - max(prev + now - x, 0LL);
        cnt += now - prev;
    }
    cout << cnt << endl;
    return 0;
}

Submission Info

Judge Result