Decimal to binary conversion (C programming code)

by 
#include <stdio.h>
 
int main()
{
  int n, c, k;
 
  printf("Enter an integer in decimal number systemn");
  scanf("%d", &n);
 
  printf("%d in binary number system is:n", n);
 
  for (c = 31; c >= 0; c--)
  {
    k = n >> c;
 
    if (k & 1)
      printf("1");
    else
      printf("0");
  }
 
  printf("n");
 
  return 0;
}
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