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새싹교실/2014/속도위반/0411

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Revision as of 11:40, 11 April 2014 by imported>miura0806
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

구구단 코드 by 최다인

#include <stdio.h>
#include <Windows.h>

#pragma warning(disable:4996)

void printgoogoo(int);

int main(){
	int num;

	while(1){
		system("cls");
		printf("출력할 구구단을 입력해주세요 (0은 전체 출력) : ");
		scanf("%d",&num);
		if((num > 9 || num < 2) && num != 0){
			printf("구구단의 값은 2 ~ 9 사이입니다.\n");
			system("pause");
			continue;
		}
		printgoogoo(num);
		system("pause");
	}
	return 0;
}

void printgoogoo(int num){
	int i;
	if(num == 0){
		for(i = 2; i < 10; i++)
			printgoogoo(i);
		return;
	}
	printf("\n구구단 %d단\n" , num);
	for(i = 1; i < 10; i++)
		printf("%d X %d = %d\n", num, i, num*i);
}