lotto2.c(로또 번호 추첨)

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main(void)
{
	int lotto[7];
	srand(time(NULL));
	
	for (int i = 0; i<7;){
		lotto[i] = rand()% 45+1;
		int j;
		for (j = 0; j<i; j++){
			if (lotto[i] == lotto[j]){
				break;
			}
		}
		
		if (j == i){
			++i;
		}
		
	}
	for (int i = 0; i<7; ++i) {
		printf("%2d ",lotto[i]);
	}
	printf("\n");
	
	return 0;
}