P1181 数列分段Section I

#include<bits/stdc++.h>

using namespace std;
const int maxn = 1e5 + 10;
int a[maxn];
int n, m;
int ans = 1;

int main() {
    ios::sync_with_stdio(0);
    cin >> n >> m;
    int res = 0;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    for (int i = 0; i < n; i++) {
        if (res + a[i] > m) {
            ans++;
            res = 0;
        }
       res += a[i];
    }
    cout << ans;

    return 0;
}