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maxSum.cpp
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maxSum.cpp
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#include <vector>
int main(int argc, char** argv)
{
std::vector<int> matrix;
int rows = 4;
int cols = 4;
matrix.push_back(1);
matrix.push_back(10);
matrix.push_back(3);
matrix.push_back(8);
matrix.push_back(12);
matrix.push_back(2);
matrix.push_back(9);
matrix.push_back(6);
matrix.push_back(5);
matrix.push_back(7);
matrix.push_back(4);
matrix.push_back(11);
matrix.push_back(3);
matrix.push_back(7);
matrix.push_back(16);
matrix.push_back(5);
std::vector<int> sumv;
for (int i =0; i< 16; i++)
sumv.push_back(0);
std::cout<< "Ying Liu...1\n";
sumv[0] = matrix[0];
for (int x=0; x<rows; x++)
for (int y=0; y<cols; y++)
{
if ((sumv[x*cols+y]+ matrix[x*cols+y+1])>= sumv[x*cols+y+1])
{
sumv[x*cols+y+1] = sumv[x*cols+y]+ matrix[x*cols+y+1];
std::cout<< "Ying Liu...2"<<" "<<x <<" "<<y<<" "<<sumv[x*cols+y] <<" "<<matrix[x*cols+y+1] <<" "<<sumv[x*cols+y+1]<<" "<<x*cols+y+1 <<"\n";
}
if ((sumv[x*cols+y]+ matrix[(x+1)*cols+y]) >= sumv[(x+1)*cols+y])
{
sumv[(x+1)*cols+y] = sumv[x*cols+y]+ matrix[(x+1)*cols+y];
std::cout<< "Ying Liu...3"<<" "<<x <<" "<<y <<" "<< sumv[x*cols+y]<<" "<< matrix[(x+1)*cols+y]<<" "<<sumv[(x+1)*cols+y]<<" "<<(x+1)*cols+y <<"\n";
}
}
std::cout<< sumv[rows*cols-1] <<"\n";
for (int x=0; x<rows; x++)
for (int y=0; y<cols; y++)
std::cout<<sumv[x*cols+y]<<" ";
return sumv[rows*cols-1];
}