2019-05-28

19:25:40

加油，坚持！！！

是一道水题

#include 
     
      using namespace std;int main(){    int t;    scanf("%d", &t);    while(t--)    {        int n, m;        scanf("%d %d", &n, &m);        int count = 0;        for (int i = 0; i <= n; i++)        {            for (int j = 0; j <= n ; j++)            {                if(i + 2 * j + (n - i - j) *5 == m && n - i -j >= 0)                {                    count++;                }            }        }        cout << count << endl;    }    return 0;}