/* Write a C Program to find the trace of a square matrix using function */ # include< stdio.h> #include< conio.h> void main( ) { int a[10][10], m,i,j, sum; printf ("\n Enter order of the square matrix :") ; scanf ("%d", &m); printf ("\n Enter the matrix \n"); for( i=0; i< m;i++) for ( j=0; j< m; j++) scanf ("%d", &a[i ][ j ]); /* loop to find trace of the matrix */ sum = 0; for ( i=0; i< m; i++) sum = sum + a[i ][ i ]; printf ("\n trace of the matrix = %d", sum); getch(); }