programming-examples/c/Arrays/C Program to find sum of column elements of all the columns of a given matrix.c

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2019-11-15 12:59:38 +01:00
/* Matrix Column Sum - Program to find sum of column elements of all the columns of a given matrix */
#include <stdio.h>
#include <conio.h>
void main()
{
int x[10][10], nr, nc, r, c, sum ;
clrscr() ;
printf("Enter the number of rows and columns: ") ;
scanf("%d %d", &nr, &nc) ;
printf("Enter elements of the matrix row-wise: \n") ;
for(r=0 ; r<nr ; r++)
for(c=0 ; c<nc ; c++)
scanf("%d", &x[r][c]) ;
for(c=0 ; c<nc ; c++)
{
sum=0;
for(r=0 ; r<nr ; r++)
sum=sum+x[r][c];
printf("Sum of elements of column no %d is %d \n", c, sum) ;
}
getch();
}
/*
Output:
Enter the number of rows and columns: 3 3
Enter elements of the matrix:
1 5 8
2 3 4
6 7 9
Sum of elements of column no 0 is 9
Sum of elements of column no 1 is 15
Sum of elements of column no 2 is 21
*/