题目描述

摘花生，极致简短版

样例

#include<cstring>
#include<iostream>
using namespace std;

const int N = 105;
int f[N], q, n, m;

int main()
{
    cin >> q;
    while(q--){
        cin >> n >> m;
        int a;
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= m; j++){
                cin >> a;
                f[j] = max(f[j], f[j-1]) + a;
            }
        }
        cout << f[m] << endl;
        memset(f,0,sizeof(f));
    }
}