南阳171----聪明的kk

//简单的dp
#include<cstdio>
#define Max(a,b) ((a)>(b)?(a):(b))
int d[25];
int main()
{
    int i,j,n,m,x,t,te;
    scanf("%d%d",&n,&m);
    for(i=1; i<=n; ++i)
    {
        for(j=1; j<=m; ++j)
        {
            scanf("%d",&x);
            d[j] = x + Max(d[j],d[j-1]);
        }
    }
    printf("%d
",d[m]);
    return 0;
}