decimal.c

//decimal to binary
#include<stdio.h>
#include<string.h>
#include<math.h>
#include<stdlib.h>
int main(int argc,char *argv[]){
int n=atoi(argv[1]);
int binaryNum[1000];
   int i = 0;
   while (n > 0) {
       binaryNum[i] = n % 2;
       n = n / 2;
       i++;
   }
   for (int j = i - 1; j >= 0; j--)
     printf("%d",binaryNum[j]);
 return 0;
}