c code for sparse matrix .
write a c code for sparse matrix .
Write a program to determine whether the given matrix is a sparse matrix or not.
Code
#include <stdio.h>
#include <stdlib.h>
void setvalue(int **arr, int r, int c)
{
int n;
for (int i = 0; i < r; i++)
{
printf("enter the values for row %d\n", i + 1);
for (int j = 0; j < c; j++)
{
printf("enter the element\n");
scanf("%d", (*(arr + i) + j));
}
}
}
void display(int **arr, int r, int c)
{
printf("\n");
for (int i = 0; i < r; i++)
{
for (int j = 0; j < c; j++)
{
printf("%d ", *(*(arr + i) + j));
}
printf("\n");
}
}
int zero(int **arr, int r, int c)
{
int k = 0, count = 0;
for (int i = 0; i < r; i++)
{
for (int j = 0; j < c; j++)
{
if (*(*(arr + i) + j) == 0)
{
count++;
}
}
}
return count;
}
int main()
{
int r, c;
printf("enter the number of rows followed by coulum\n");
scanf("%d%d", &r, &c);
int **arr = (int **)malloc(r * sizeof(int *));
for (int i = 0; i < r; i++)
{
arr[i] = (int *)malloc(c * sizeof(int));
}
setvalue(arr, r, c);
printf("\n");
display(arr, r, c);
printf("\n");
if(zero(arr, r, c)==0){
printf("the given matrix is not sparse matrix\n");
}
else printf("the given matrix is sparse matrix\n");
return 0;
}