十进制转二进制

#include <stdio.h>
#include <stdlib.h>
#include "../Stack/stack.h"
int main()
{
    unsigned int num;
    int* digit;
    STACK* stack;

    stack = createStack();

    printf("Enter an integer:");
    scanf("%d", &num);

    while (num > 0){
        digit = (int*)malloc(sizeof(int));
        *digit = num % 2;
        pushStack(stack, digit);
        num = num / 2;
    }

    printf("The binary number is:");
    while(!emptyStack(stack)){
        digit = (int*)popStack(stack);
        printf("%1d", *digit);
        free(digit);
    }

    destroyStack(stack);
    return 0;
}