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C Exercise Example 27

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

Title: recursive function call, five characters are entered, printed out in reverse order.

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>

int main()
{
    int i=5;
    void palin(int n);
    printf("请输入5个字符\40:\40");
    palin(i);
    printf("\n");
}
void palin(n)
int n;
{
    char next;
    if(n<=1) {
        next=getchar();
        printf("相反顺序输出结果\40:\40");
        putchar(next);
    } else {
        next=getchar();
        palin(n-1);
        putchar(next);
    }
}

The above example output is:

请输入5个字符 : abcde
相反顺序输出结果 : edcba

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