Password program

Password program
can enter up to three times the correct password, the prompt "login success", the password is wrong, you can re-enter, enter up to three times. Three are wrong, you are prompted to quit the program

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main() {
	char arr[10] = { 0 };
	int i = 0;
	for (i = 1; i <= 3; i++) {
		printf("请输入密码:");
		scanf("%s",arr);
		if (strcmp(arr, "623") == 0) {
			printf("密码正确");
			break;
		}
		else {
			printf("密码错误");
		}
		if (i == 3) {
			printf("密码错误，退出\n");
		}
	}
	system("pause");
	return 0;
}