정올 538 : 반복제어문1-자가진단3

My Solution

#include<stdio.h>
int main(void){
    int num=0;
    
    while(1){
        printf("number? : ");
        scanf("%d",&num);
        if(num>0){
            printf("positive integer\n");
        }
        else if(num<0){
            printf("negative number\n");
        }
        else{
            break;
        }
    } 
    return 0;
}