孩子学习过程中一些代码记录

用到的头文件

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

基本输出

int Jntm(int aAge, int aHeight)
{
	printf("10年后您的年龄是:%d岁, 身高是%d厘米.\r\n", aAge + 10, aHeight + 30);
	return aAge + aHeight;
}

利用两人的身高计算树的高度

/**
 * @brief 利用两人的身高计算树的高度
 * 
 * @param void 
 */
void CalTreeHeight(void)
{
	int chenchen_high = 0;
	int laoba_high = 0;
	int tree = 0;
	int c_l = 0;//此为距离,表示晨晨到老爸之间的距离.
	int l_t = 0;//老爸到树之间的距离.
	
	printf("以厘米为单位.");
	printf("\r\n晨晨的身高是: ");
	scanf("%d", &chenchen_high);
	printf("老爸的身高是: ");
	scanf("%d", &laoba_high);
	printf("晨晨到老爸的距离: ");
	scanf("%d", &c_l);
	printf("老爸到树的距离: ");
	scanf("%d", &l_t);
	tree = chenchen_high + (laoba_high - chenchen_high) * (c_l + l_t) / c_l;
	printf("树的高度是%d厘米", tree);
}

单位换算

void ConvertCm(void)
{
	float li = 0.00;
	float hi = 0.00;
	float fi = 0.00;
	float i = 0.00;
	
	printf("请输入树有多少厘米: ");
	scanf("%e", &li);
	
	i = li / 100;
	hi = li * 10;
	fi = li / 10;
	
	printf("转化为米是%.2f,分米是%.2f,毫米是%.0f.", i, fi, hi);
}

计算器

void Calculator(void)
{
	double number1 = 0.0;
	double number2 = 0.0;
	char operation = 0;
	char i = 0;
	
there:	
	printf("\r\n请输入算式: ");
	scanf("%lf %c %lf", &number1, &operation, &number2);
	
	switch (operation)
{
case '+':
	printf("= %lf\r\n",number1 + number2);
	break;
case '-':
	printf("= %lf\r\n", number1 - number2);
	break;
case '*':
	printf("= %lf\r\n", number1 * number2);
	break;
case '/':
	if(number2 == 0)
	{
		printf("\r\n你输错了,请重新输入.");
	}
	else
	{
		printf("= %lf\r\n", number1 / number2);
	}
	break;
case '%':
	if((long)number2 == 0)
	{
		printf("\r\n你输错了.");
	}
	else
	{
		printf("= %ld\r\n", (long)number1 % (long)number2);
	}	
	break;
	
default:
	printf("\r\n你又输错了.");
	break;
}
	getchar();
	printf("\r\n你想执行另一个计算吗,那就摁'y'或'Y',若你想跳出,就摁'n'或'N'吧. ");
	scanf("%c", &i);
	
	i = tolower(i);
	
	switch (i)
{
case 'y':
	goto there;
	//TODO
	break;
case 'n':
	goto that;
	//TODO
	break;
default:
	//TODO
	break;
}
	that:
	return;
	
}

猜数字游戏

/**
 * @brief 猜数字游戏
 * 
 * @param void 
 */
void GuessGame(void)
{
	int chosen = 0;
	int guess = 0;
	int count = 5;
	int limit = 20;
	
	srand(time(NULL));
	chosen = 1 + rand() %limit;
	
	printf("\r\n这是一个猜数字游戏.");
	printf("\r\n这个数是在1到20之间.");
	
	for(; count > 0;--count)
	{
		printf("\r\n猜的次数有%d,你现在还剩%d次.", count, count);
		printf("\r\n你猜得数是: ");
		scanf("%d", &guess);
		
		if(guess < 1 || guess > 20)
		{
			printf("\r\n你猜的和我说的不一样,请重新来.");
			continue;
		}
		
		if(guess < chosen)
		{
			printf("\r\n你猜得小了.");
		}
		else if(guess > chosen)
		{
			printf("\r\n你猜得大了.");
		}
		else
		{
			printf("\r\n你猜对了");
			return;
		}
	}
}

记数字游戏

/**
 * @brief 记数字游戏
 * 
 * @param void 
 */
void Remember(void)
{
	char another_game = 'Y';
	int correct = false;
	int counter = 0;
	int sequence_length = 0;
	time_t seed = 0;
	int number = 0;
	
	time_t now = 0;
	int time_taken = 0;
	
	printf("\r\nTo play Simple Simon, watch the screen for a sequence of digits. ");
	printf("\r\nWatch carefully, as the digits are only displayed for a second!\r\n");
	scanf("%c", &another_game);
	do{
		correct = true;
		counter = 0;
		sequence_length = 2;
		time_taken = clock();
		while(correct)
		{
			sequence_length += counter++%3 == 0;
			seed = time(NULL);
			
			now = clock();
			
			srand((unsigned int)seed);
			for(int i = 1; i <= sequence_length;i++) 
			{
				printf("%d ", rand() % 10);
			}
			for( ;clock() - now < CLOCKS_PER_SEC * 2; );
			
			printf("\r");
			for(int i = 1; i <= sequence_length; i++)
			{
				printf("  ");
			}
			
			if(counter == 1)
			{
				printf("\r\n请输入数字,不要忘了每个数字之间加上空格.\r\n");
			}
			else
			{
				printf("\r");
			}
			
			srand((unsigned int)seed);
			
			for(int i = 1; i <= sequence_length; i++)
			{
				scanf("%d", &number);
				
				if(number != rand() % 10)
				{
					correct = false;
					break;
				}
			}
			printf("%s\r\n", correct? "正确!" : "错误!");
		}
		
		time_taken = (clock() - time_taken) / CLOCKS_PER_SEC;
		
		printf("\r\n\r\n Your score is %d", --counter * 100 / time_taken);
		
		fflush(stdin);
		
		printf("\r\n是否继续玩(y/n)?");
		scanf("%c", &another_game);
		
	}while(toupper(another_game) == 'Y');
}

井字棋代码

int player = 0;
	int winner = 0;
	int row = 0;
	int choice = 0;
	int column = 0;
	int line = 0;
	
	char board[3][3] = {
		{'1','2','3'},
		{'4','5','6'},
		{'7','8','9'}
	};
	
	for(int i = 0;i < 9 && winner == 0; i++)
	{
		printf("\n\n");
		printf("%c | %c | %c\n", board[0][0], board[0][1], board[0][2]);
		printf("---+---+---\n");
		printf("%c | %c | %c\n", board[1][0], board[1][1], board[1][2]);
		printf("---+---+---\n");
		printf("%c | %c | %c\n", board[2][0], board[2][1], board[2][2]);
		
		player = i%2 + 1;
		
		do
		{
			printf("\n Player %d, please enter the number of the square where you want to place your %c: ", player, (player == 1)? 'X' : 'O');
			scanf("%d", &choice);
			row = --choice / 3;
			column = choice % 3;
		}while(choice < 0 || choice > 9 ||board[row][column] > '9');
		
		board[row][column] = (player == 1)? 'X' : 'O';
		if((board[0][0] == board[1][1] && board[0][0] == board[2][2])
			|| (board[0][2] == board[1][1] && board[0][2] == board[2][0]))
		{
			winner = player;
		}
		else
		{
			for(line = 0;line <= 2;line ++)
			{
				if((board[line][0] == board[line][1] && board[line][0] == board[line][2]) 
					|| (board[0][line] == board[1][line] && board[0][line] == board[2][line]))
				{
					winner = player;	
				}
			}
		}
	}
	
	printf("\n\n");
	printf("%c | %c | %c\n", board[0][0], board[0][1], board[0][2]);
	printf("---+---+---\n");
	printf("%c | %c | %c\n", board[1][0], board[1][1], board[1][2]);
	printf("---+---+---\n");
	printf("%c | %c | %c\n", board[2][0], board[2][1], board[2][2]);
	
	if(winner == 0)
	{
		printf("\nHow boring, it is a darw\n");
	}
	else
	{
		printf("\nCongratulations, player %d,you are the winner!\n", winner);
	}