2022-03-25

/*

#include <stdlib.h>

int main()

{

printf("Hello world!\n");

return 0;

}

*/

/*

#include <stdio.h>

int main()

{

int num;

scanf("%d",&num);

if(num >0){printf("양수");}

else if(num == 0){printf("0");}

else{printf("음수");}

return 0;

}

*/