Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Create Diagnol_sum_of_matrix_elements.cpp #41

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
84 changes: 84 additions & 0 deletions Matrix_programs/Diagnol_sum_of_matrix_elements.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,84 @@
/*
Find sum of left and right diagonals of a matrix :
---------------------------------------
Input the size of the square matrix : 4
Input elements of matrix :
2
4
3
4
2
5
7
5
8
9
3
5
8
9
5
1
The matrix is :
2 4 3 4
2 5 7 5
8 9 3 5
8 9 5 1
Addition of the Right Diagonal elements is :11
Addition of the left Diagonal elements is :28
*/
#include<stdio.h>
void main()
{
int i,j,a[50][50],sum=0,n,m=0,sum1;

printf("\n\nFind sum of left and right diagonals of a matrix :\n");
printf("---------------------------------------\n");

printf("Input the size of the square matrix : ");
scanf("%d", &n);
m=n;
printf("Input elements of matrix :\n");
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("The matrix is :\n");
for(i=0;i<n;i++)
{
for(j=0;j<n ;j++)
printf("% 4d",a[i][j]);
printf("\n");
}
// calculate the sum of left diagonals
for(i=0;i<n;i++)
{
m=m-1;
for(j=0;j<n ;j++)
{
if (j==m)
{
sum= sum+a[i][j];
}

}
}
//right diagnol sum
for(i=0;i<n;i++)
{
m=m-1;
for(j=0;j<n ;j++)
{
if (i==j)
{
sum1= sum1+a[i][j];
}

}
}
printf("Addition of the Right Diagonal elements is :%d\n",sum1);
printf("Addition of the left Diagonal elements is :%d\n",sum);
}