电脑玩猜数字游戏

Dragon — Thu, 02 Dec 2010 02:19:00 GMT

/*
*在1到100的范围内输入一个数，电脑就会玩猜数字游戏了
*/
#include<stdlib.h>
#include<stdio.h>
#include<time.h>
#define getrandom( min, max ) ((rand() % (int)(((max) + 1) - (min))) + (min))
void main()
{
    int num,num1,num2,num3;
    srand((int)time(NULL));
    printf("please int a num from 1~100:");
    scanf("%d",&num);
    num1=1;
    num2=100;
    while(1)
    {
        num3=getrandom(num1,num2);
        if(num==num3)
        {
            printf("\n\nAHA!!You are right!\n");
            printf("The number is %d\n",num);
            break;
        }
        else if(num<num3)
        {
            printf("your number %d is bigger than the answer!\n",num3);
            printf("please input another num(%d - %d):\n",num1,num3-1);
            num2=num3-1;
        }
        else if(num>num3)
        {
            printf("your number %d is smaller than the answer!\n",num3);
            printf("please input another num(%d - %d):\n",num3+1,num2);
            num1=num3+1;
        }
    }
}

Dragon 2010-12-02 10:19 发表评论

从身份证前十七位算出第十八位

Dragon — Wed, 01 Dec 2010 02:32:00 GMT

/*
*此小程序是连续输入身份证前面的十七位得到最后一位
*/
#include<iostream>
#include<string>
using namespace std;

int main()
{
    string id_17;
    cin>>id_17;
    int i=0;
    int a[17]={7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2};
    int b[17];
    char c[17]={'1','0','X','9','8','7','6','5','4','3','2'};
    while(id_17[i]!='\0')
    {
        b[i]=id_17[i]-48;
        i++;
    }
    int result=0;
    for (int j=0;j<17;j++)
    {
        result+=a[j]*b[j];
    }
    cout<<c[result%11]<<endl;
    return 0;
}

Dragon 2010-12-01 10:32 发表评论

C++博客-Dragon-随笔分类-纯娱乐

电脑玩猜数字游戏

从身份证前十七位算出第十八位