TO FIND THE SUM OF DIAGONAL ELEMENTS OF THE SQUARE MATRIX

#include<stdio.h> #include<conio.h> #include<math.h> void main() { int a[3][3],i,j,s=0,r,c; clrscr(); /*Enter how many rows and columns */ printf("Enter how many rows: "); scanf("%d",&r); printf("Enter how many columns: "); scanf("%d",&c); if(r==c) { /*enter the elements*/ printf("Enter the numbers: "); for(i=0;i<r;i++) { for(j=0;j<c;j++) { scanf("%d",&a[i][j]); } } /*show the matrix elements*/ printf("The matrix is : "); for(i=0;i<r;i++) { for(j=0;j<c;j++) { printf("%3d ",a[i][j]); } } /*show the sum of  diagonal elements*/ ...

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TO FIND THE SUM OF NON DIAGONAL ELEMENTS OF THE SQUARE MATRIX

#include<stdio.h> #include<conio.h> #include<math.h> void main() { int a[3][3],i,j,s=0,r,c; clrscr(); /*Enter how many rows and columns */ printf("Enter how many rows: "); scanf("%d",&r); printf("Enter how many columns: "); scanf("%d",&c); if(r==c) { /*enter the elements*/ printf("Enter the numbers: "); for(i=0;i<r;i++) { for(j=0;j<c;j++) { scanf("%d",&a[i][j]); } } /*show the matrix elements*/ printf("The matrix is : "); for(i=0;i<r;i++) { for(j=0;j<c;j++) { printf("%3d ",a[i][j]); } } /*show the sum of non diagonal elements*/ ...

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