循环实例子：do while;while,for,伪bool型

最新推荐文章于 2024-08-07 17:51:09 发布

原创最新推荐文章于 2024-08-07 17:51:09 发布 · 182 阅读

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本文介绍如何使用C语言实现简单的西蒙游戏，玩家需要记住并输入屏幕上显示的数字序列。

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注意：在C语言中，变量必须声明在函数开始的地方

#include<stdio.h>
#include<ctype.h>

#include<stdlib.h>
#include<time.h>
#define true 1
#define false 0
int main(){

    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 ;
    int i =0;
    printf(" \n To play Simple Simon ,");
    printf(" \n Watch carefully ,sa the digits are only displayed for a second !");
    printf(" \n the computer will remove them , and then prompt you ");
    printf(" to enter the same sequence.");
    printf(" \n When you do , you must put spaces between the digits.\n");
    printf(" \n GOOD lUCK !\n Press Enter to play \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);
            //i要在开始的时候声明，在此int i = 0 ; 是不对的
            for( i = 1 ; i <= sequence_length ; i ++) {
                printf("%d",rand() % 10);
            }

            for(;clock() - now <CLOCKS_PER_SEC;);

            printf("\r");

            for( i =0 ;i <= sequence_length ; i++){
                printf(" ");
            }

            if(counter == 1){
                printf("\n Now you enter the sequence - don't forget"
                    " the spaces \n ");

            }else{
                printf("\r");
            }

            srand((unsigned int)seed);

            for(i = 1 ; i <= sequence_length ; i++){

                scanf("%d",&number);

                if(number != rand() %10){
                    correct = false ;
                    break ;
                }
            }
            printf("%s \n",correct ? "Correct!":"Wrong!");

        }
        time_taken = (clock() - time_taken);
        printf("\n\n Your score is %d",--counter * 100 / time_taken);
        fflush(stdin);
        printf("\n DO you want to play again (y/n)? ");
        scanf("%c",&another_game);

    }while(toupper(another_game) == 'Y' );
    return 0 ;
}