error07_4.cpp

浙大颜晖视频课件

#include <stdio.h> 
int main( )
{
    int i, k, temp;
    char str[];		

    printf("input a string: ");
    i = 0;
    while((str[i] = getchar( )) != '\n') 
        i++; 
    str[i] = '\0';
    k = i - 1;
    for(i = 0; i < k; i++){    /* 调试时设置断点 */
        temp = str[i];  
	str[i] = str[k];  
	str[k] = temp;
	k++;
    }           /* 调试时设置断点 */
    for(i = 0; str[i] != '\0'; i++) 
        putchar(str[i]);

    return 0;
}