[C++知识库]c语言杂记

猜数字游戏

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

int main(void){
    int a,b,c;
    c = 0;
    srand(time(NULL));//种子数不同相应a的值不同
    a = rand()%100+1;
    printf("%d",a);

    while (true){
        printf("输入一个数字:\n");
        scanf("%d",&b);
        c++;
        if(b<a) {
            printf("猜小了！\n");
            continue;
        }
        else if(b>a){
            printf("猜大了！\n");
            continue;
        }
        else {
            printf("正确！！,猜了%d次",c);
            break;
        }
    }
}

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

int main(void) {
    int a, b, c = 0, d;

    char e;
    srand(time(NULL));//种子数不同相应a的值不同
    do {
        c = 0;
        a = rand() % 100 + 1;
        printf("%d", a);
        do {
            printf("输入一个数字:\n");
            d = scanf("%d", &b);

            //增强程序健壮性
            while (d != 1) {
                while (getchar() != '\n');
                printf("请输入一个数字！！！！");
                d = scanf("%d", &b);
            }

            c++;
            if (b < a) {
                printf("猜小了！\n");

            } else if (b > a) {
                printf("猜大了！\n");

            } else {
                printf("正确！！,猜了%d次", c);//正确的话，输出猜了几次
            }
        } while (b != a && c < 10);
        printf("y or Y?");
        scanf("%c",&e);
    } while (e == 'Y'||e =='y');
    return 0;
}