1-19学习心得

#define  _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>

int main()
{
	int i = 0;
	int k = 0;
	int sum = 0;
	int ret = 1;
	int n = 1;
	for (n = 1; n <= 10; n++)
	{
		ret = 1;
		for (i = 1; i <= n; i++)
		{
			ret = ret*i;
		}
		k = ret;
		sum =sum + k;
	}

	printf("sum=%d\n", sum);
	return 0;
}

int main()
{
	int ret = 0;
	char password[20] = { 0 };
	printf("请输入密码:>");
	scanf("%s", password);
	while ((getchar()) != '\n')
	{
		;
	}
	printf("请确认(Y/N):>");
	ret = getchar();
	if (ret == 'Y')
	{
		printf("确认成功\n");
	}
	else 
	{
		printf("放弃确认\n");
	}
	return 0;
}