TJ

#include<bits/stdc++.h>
using namespace std;
int main(){
    int dp[20][20];
    int t , m , n;
    cin >> t;
    while ( t-- ){
        memset ( dp , 0 , sizeof ( dp ));
        cin >> m >> n;
        for ( int i = 0; i <= n; i++ ){
            dp[0][i] = 1;
            dp[1][i] = 1;
        }
        for ( int i = 0; i <= m; i++ ){
            dp[i][0] = 0;
            dp[i][1] = 1;
        }
        for ( int i = 2; i <= m; i++ ){
            for ( int j = 2; j <= n; j++ ){
                if ( i < j ) dp[i][j] = dp[i][i];
                else dp[i][j] = dp[i - j][j] + dp[i][j - 1];
            }
        }
        cout << dp[m][n] <<endl;
    }
    return 0;
}