4. C++ program to display column-wise sum of matrix of size m x n

on

#include<iostream>
using namespace std;

int main()
{
int r, c, sum=0, csum=0;
cout<<“Enter rows and Column of Matrix “;
cin>>r>>c;
int arr1[r][c];
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
cin>>arr1[i][j];
}
cout<<“You have entered:: \n”;
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++){
cout<<arr1[i][j]<<“\t”;
}
cout<<endl;
}
for(int i=0;i<r+c;i++) cout<<“—-“;
cout<<endl;
for(int i=0;i<r;i++)
{
csum =0;
for(int j=0;j<c;j++){
csum = csum + arr1[j][i];
}
cout<<csum<<“\t”;
}
}

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