code. compile. run. debug. share.
#include <stdio.h>
#include <stdlib.h>
char *decimal_to_binary(int);
char *decimal_to_binary(int dn)
{
int i, j, temp;
char *ptr;
temp = 0;
ptr = (char*)malloc(32+1);
for (i = 31 ; i >= 0 ; i--)
{
j = dn >> i;
if (j & 1)
*(ptr+temp) = 1 + '0';
else
*(ptr+temp) = 0 + '0';
temp++;
}
*(ptr+temp) = '\0';
return ptr;
}
int main()
{
int dn;
char *ptr;
printf("Input a decimal number: ");
scanf("%d", &dn);
ptr = decimal_to_binary(dn);
printf("Binary number equivalent to said decimal number is: %s", ptr);
free(ptr);
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
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