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Summation of matrix diagonally #40

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Summation of matrix diagonally #40

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28 changes: 28 additions & 0 deletions Summation of matrix diagonally.cpp
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Original file line number Diff line number Diff line change
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#include<iostream>

using namespace std;

int main()
{
int a[5][5],d1sum=0,d2sum=0,m,i,j;
cout<<"Enter size of the square matrix(max 5):";
cin>>m;
cout<<"\nEnter the Matrix row wise:\n";

for(i=0;i<m;i++)
for(j=0;j<m;++j)
cin>>a[i][j];
for(i=0;i<m;++i)
for(j=0;j<m;++j)
{
if(i==j)
d1sum+=a[i][j];
if(i+j==(m-1))
d2sum+=a[i][j];
}

cout<<"\nSum of 1st diagonal is "<<d1sum;
cout<<"\nSum of 2nd diagonal is "<<d2sum;

return 0;
}