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C Exercise Example 89

100 cases of classic C language 100 cases of classic C language

Title: The adoption of a public telephone to transfer data, the data is an integer of four, and in the transfer process is encrypted, the encryption rules are as follows: Each figures plus 5, then divided by 10, the remainder in place of the numbers, then swap the first and fourth, second and third exchange.

Program Analysis: None.

Source Code:

//  Created by www.w3big.com on 15/11/9.
//  Copyright © 2015年 本教程. All rights reserved.
//

#include<stdio.h>
#include<stdlib.h>
int main()
{
    int n,i,j;
    printf("请输入数字:\n");i--;
    for(i=0;i<7;i++)
    {
        scanf("%d",&n);
        if(n>50){
            printf("请重新输入:\n");i--;
        }
        else
        {
            for(j=0;j<n;j++)
                printf("*");
        }
        printf("\n");
    }
    return 0;
}

Run the above example output is:

输入一个要加密的四位整数:
1234
加密后的数为9876

100 cases of classic C language 100 cases of classic C language