Project1.sln

int main()
{
	const int a = 3;
	printf("%d\n", a);
	return 0;

enum Sex
{male,
female};

int main()
{ 
	enum Sex = male;
	
#include <string.h>
int main()
{ 
	//char arr1[] = "abc";
	//char arr2[] = { 'a', 'b', 'c' ,};
	//printf("%d\n",  strlen (arr2) ) ;

	//printf("%c\n", '\'');
	//printf("%d\n", strlen("c:\test\32\test.c"));
	printf("%c\n",'\32');


	//printf("%s\n", arr2);
	return 0;
}
#include <stdio.h>
int main()
{
	int input = 0;


	printf("%d\n高考没考好");
	printf("大学好好学习吗？（是/否）>.");
	scanf_s("%d", &input);
	if (input == 2)
		printf(" 好offer\n");
	else
		printf("dlgb");

#include <stdio.h>
Max(int x, int y)
{
	if (x > y)
		return x;
	else
		return y;
}



int main()
{
	int num1 = 4;
	int num2 = 0;
	int  max = Max(num1, num2);

	printf("最大是=%d", max);


	
#include<stdio.h>  
int main()
	{
	int a = 0;
	int b = ~a;
	printf("%d\n", b);

	return 0;
}

#define MAX(X,Y) (X>Y?X:Y)
#include <stdio.h>

int main()
{
	    int  a = 597;

	int b = 54345;

	int  max = MAX(a,b);

	printf("%d\n", max);
	return 0;

#include <stdio.h>
int main()
{
	char ch = 'a';
	char* pc = &ch;
	
	//*pc = 'w';
	printf("%d\n", sizeof pc );

		return 0;


#include<stdio.h>
int main()
{
	  int a = 1;
		while (a < 100)
		{
			if (a % 2 == 1)
			

				printf("%d ", a);
			a++;

	}
		return 0;
}
#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main(void)
{
    int a, b, c;
    printf("Give me the value of a,b,c seperated with whitespaces:\n");
    scanf("%d%d%d", &a, &b, &c);
    printf("a=%d,b=%d,c=%d\n", a, b, c);
    return 0;
}
#include<stdio.h>
int main()
{
	int n = 1;
	int m = 2;
	switch (n)
		case1: m++;
		case2: n++;
case3:switch (n);

 }

int main()
{
	int i=1;

	while (i <= 10)
	{
		printf("%d ", i);
		i++;
	}
	return 0;

//}
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int   ret = 0;
	int   ch = 0;
	char  password[20] = { 0 };
	printf("请输入密码");
	scanf("%d", &password);
	while ((ch = getchar()) != '\n')
	{
		;
	}
		printf("请确认(Y\N)");
	ret = getchar();
	if (ret == 'Y')
	{
		printf("querenchenggong");
	}
	else {

		printf("querenshibai");
	}
	return 0;
}
int main()
{
	int  i = 0;
	int ret = 1;
	int n = 0;
	scanf("%d", &n);
	for (i = 1; i <= n; i++)
	{ ret=ret* i; }
	printf("%d\n",ret);
	return 0;
}
int main() 
{
	int sum = 0;
	int  ret = 1;
	int n = 0;
	for (n = 1; n <= 3; n++)
	{
		ret = ret * n;

		sum = sum + ret;
	}
	printf("%d\n", sum);
	return 0;
}
int main()
{
	int arr[] = { 1,2,3,4,5,6,7,8,9,10 };
	int k = 10;
	int num = sizeof(arr) / sizeof(arr[0]);
	int	left = 0;
	int right = num-1;
	
	while (left <= right)
	{
		int middle = (left + right) / 2;
		if (arr[middle] > k)
		{
			right = middle - 1;
		}
		else if (arr[middle] < k)
		{
			left = middle + 1;
		}
		else if (arr[middle] = k)
		{
			printf("%d\n", middle);
			break;
		}
	}
	if (left > right)
		
			printf("weizhaodao\n");
		
	
	return 0;
}
int main()
{
	int arr[] = { 1,2,3,4,5,6,7,8,9,10 };
	int k = 10;
	int num = sizeof(arr) / sizeof(arr[0]);
	int	left = 0;
	int right = num - 1;
//	for ( left=0,right=num-1;left <= right;)
//	{
//			int	middle = (left + right) / 2;
//			if (arr[middle] > k)
//			{
//				right = middle - 1;
//			}
//			else  if (arr[middle] < k)
//			{
//				 left = middle + 1;
//			}
//			else
//			{
//				printf("zhaodaole%d\n", middle); break;
//
//			}
//	}
//	
//	if (left > right)
//		printf("weizhaodao");
//
//	return 0;
//}

#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
#include<string.h>
#define _CRT_SECURE_NO_WARNINGS 1
int main()
{
	int i = 0;
	char password[20] = { 0 };
	for (i = 0; i < 3; i++)
	{
		printf("请输入密码");
		scanf("%s", &password);
		if (strcmp(password, "123456") == 0)
		{
			printf("登陆成功\n");
			break;
		}
		else
		{
			printf("密码错误");
		}


	}
	if (i == 3)
	{
		printf("wufaza");
	}


	return 0;

}
#include<stdio.h>
int main() {
	int a = 0;
	int b = 0;
	int c = 0;
	int ret;
	scanf("%d%d%d", &a, &b, &c);
	if (a < b)
	{
		ret = b;
		 b = a;
		 a = ret;
	}
	if (a < c)
	{
		ret = c;
		c = a;
		a = ret;

		 }
	if (b < c)
	{
		ret = b;
		b = c;
		c = ret;
	}
	printf("%d %d %d", a, b, c);



	return 0;
}


int main()
{
	int a=0;
	printf("请输入数字\n");
	scanf_s("%d", &a);
	if (a % 2 == 1)
	{
		printf("这个数是ji数");
	}
	else
	{
		printf("这个数是偶数");
	}
return 0;
}
int main()
{
	int a = 0;
	printf("请输入一个数字:\n");
	scanf("%d", &a);
	if (a % 2 == 0)
		printf("你输入的是一个偶数\n");
	else
		printf("你输入的是一个奇数");

	return 0;
}


int main()
{
    int a = 0;
    int t = 1, i = 2;
    scanf("%d", &a);
    while (i <= a)
    {
        t = t * i;
        i = i + 1;
    }
    printf("%d\n", t);
    return 0;
}#include<stdio.h>
int main()
{
	int i;
	for (i = 1; i <= 100; i++)
	{
		if (i % 3 == 0)
		printf("%d ", i);

	}


	return 0;
}

int main()
{
	int i;
	for (i = 1; i <= 100; i++)
	{
		if (i % 3 == 0)
			printf("%d ", i);


	}



	return 0;
}
#include<stdio.h>
int main() {
	int m;
	int n;
	int r;
	scanf("%d%d", &m, &n);
	while (m % n)
	{
		r = m % n;
		m = n;
		n = r;
		printf("%d", n);;
//	}
//
//
//	return 0;
//}
#include<stdio.h>
int main()
{
	int i;
	int count=0;
	for (i = 100; i <= 200; i++)
	{
		int j=0;
		for (j = 2; j < i; j++)
		{
			if (i % j == 0)
			{
				break;
			}
			
		}
		if (i == j)
		{
			count++;
			printf("%d ", i);
		}


	}

	printf("\ncount=%d\n",count);



	return 0;
}
#include<stdio.h>
int main()
{
	int i  =  0;
	int count = 0;
	for (i = 1; i <= 100; i++)
	{
		if (i % 10 == 9)
			count++;
		if (i / 10 == 9)
			count++;
	}
	printf("%d\n", count);
	return 0;
}