// 假定矩阵元素为T
T get_col_sum(T** mat, int a_col)
{
T sum = (T)0;
for (int i = 0; i < M; ++i)
sum += mat[a_col];
return sum;
}
T get_row_sum(T** mat, int a_row)
{
T sum = (T)0;
for (int i = 0; i < N; ++i)
sum += mat[a_row];
return sum;
}
int main(int argc, char *argv[])
{
for (int i = 0; i < M; ++i)
{
std::cout |