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- #include <iostream>
- using namespace std;
- int main()
- {
- int t;
- cin>>t;
- while (t-->0){
- int w, k;
- cin>>w>>k;
- int a[w][k];
- for (int i=0; i<w; i++)
- for (int j=0; j<k; j++)
- cin>>a[i][j];
- ;
- int c[w][k];
- c[0][0]= a[0][0];
- for (int i=1; i<w; i++)
- c[i][0]=a[i][0] + c[i-1][0];
- for (int j=1; j<k; j++)
- c[0][j]=a[0][j]+c[0][j-1];
- for (int i=1; i<w; i++)
- for (int j=1; j<k; j++)
- c[i][j]=a[i][j] + max(c[i-1][j], c[i][j-1]);
- ;
- cout<< c[w-1][k-1]<<endl;
- }
- return 0;
- }
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