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sum of rows and columns in 2d array in c++

Answer»

#include<iostream.h>#include<conio.h>void main(){ clrscr();int a[3][3];int i,j,s=0,sum=0;

cout<<"Enter 9 elements of 3*3 Matrix \n";for(i=0;i<3;i++)for(j=0;j<3;j++)cin>>a[i][j];

cout<<"Matrix Entered By you is \n";for(i=0;i<3;i++){for(j=0;j<3;j++) cout<<a[i][j]<<" "; cout<<endl;}

for(i=0;i<3;i++)s=0:{for(j=0;j<3;j++) s=s+a[i][j];cout<<"sum of"<<i+1<<" Row is"<<s; cout<<endl;}cout<<endl;for(i=0;i<3;i++){for(j=0;j<3;j++) s=s+a[j][i];cout<<"sum of"<<i+1<<" Column is"<<s; s=0; cout<<endl;}

cout<<endl;

for(i=0;i<3;i++)sum=sum+a[i][i];cout<<"Sum of Diagnols Elements is \n"<<sum;

getch();}


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