Row Coloum Summation Of Matrix

C Program For Row Coloum Summation Of Matrix

Source Code:

#include<stdio.h>
#include<conio.h>

void input(int[20][20],int,int);
void show(int[20][20],int,int);
void rowsum(int[20][20],int,int);
void columnsum(int[20][20],int,int);
void main()
{
int a[20][20],m,n;
clrscr();
printf("enter num of rows and columns:");
scanf("%d,%d",&m,&n);
input(a,m,n);
printf("entered matrix is:\n\n");
show(a,m,n);
rowsum(a,m,n);
columnsum(a,n,m);
getch();
}

void input(int a[20][20],int m,int n)
{
 int i,j;
 for(i=0;i<=m-1;i++)
 {
  for(j=0;j<=n-1;j++)
  {
   printf("enter element:");
   scanf("%d",&a[i][j]);
  }
 }
}

void show(int a[20][20],int m,int n)
{
 int i,j;
 for(i=0;i<=m-1;i++)
 {
  for(j=0;j<=n-1;j++)
  {
   printf("%d",a[i][j]);
  }
  printf("\n");
 }
}
void rowsum(int a[20][20],int m,int n)
{
int s,i,j;
for(i=0;i<=m-1;i++)
 {
 s=0;
 for(j=0;j<=n-1;j++)
  {
  s=s+a[i][j];
  }
 printf("\nRowsum%d=%d\n",i+1,s);
 }
}
void columnsum(int a[20][20],int n,int m)
{
int c,i,j;
for(i=0;i<=m-1;i++)
 {
 c=0;
  for(j=0;j<=n-1;j++)
  {
   c=c+a[j][i];
  }
  printf("\ncolumnsum%d=%d\n",i+1,c);
 }
}


OUTPUT:

enter num of rows and columns:3,3
enter element:1                                                                 
enter element:2                                                                 
enter element:3                                                                 
enter element:4                                                                 
enter element:5                                                                 
enter element:6                                                                 
enter element:7                                                                 
enter element:8                                                                 
enter element:9                                                                 
entered matrix is:

123
456
789

Rowsum1=6

Rowsum2=15

Rowsum3=24

columnsum1=12

columnsum2=15

columnsum3=18