C언어 예제 - 은행 계좌 구현

#include <stdio.h>

void save(int amount)
{
	static long blance = 0;
    
    if(amount >= 0)
    	printf("%d \t\t", amount);
    else
    	printf("\t %d \t", -amount);
        
    balance += amount;
    printf("%d \n", balance);
}

int main(void){
	printf("===============================\n");
    printf("입금 \t출금\t 잔고\n");
    printf("===============================\n");
    save(10000);
    save(50000);
    save(-10000);
    save(30000);
    printf("===============================\n");
    return 0;
}