Submission #2714230

---

Source Code Expand

#include "bits/stdc++.h"
using namespace std;
#define CK(N, A, B) (A <= N && N < B)
#define REP(i, a, b) for (int i = a; i < b; i++)
#define RREP(i, a, b) for (int i = (b - 1); a <= i; i--)
#define F first
#define S second
typedef long long ll;

const int INF = 1e9;
const long long LLINF = 1e18;

int k, s;
int main() {
    cin>>k>>s;

    ll ans=0;
    REP(i, 0, k+1){
        REP(j, 0, k+1){
            int n=s-i-j;

            if(n>=0 && n<k+1) ans++;
        }
    }
    cout<<ans<<endl;
    return 0;
}

Submission Info

Judge Result