C++(씨쁠쁠)(cplusplus)-백준(baekjoon)(BaekJoon)코딩 2003번:수들의 합 2 답

#include <iostream>
using namespace std;
long long n, m, ans, a[10001],sum;
int main() {
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        cin >> a[i];
    for (int i = 1; i <= n; i++)
    {
        sum = a[i];
        if (sum == m)
            ans++;
        for (int j = i+1; j <= n; j++)
        {
            sum += a[j];
            if (sum == m)
                ans++;
        }
    }
    cout << ans << '\n';
}