题解 | #字符逆序#
字符逆序
https://www.nowcoder.com/practice/cc57022cb4194697ac30bcb566aeb47b
#include <stdio.h>
#include <string.h>
void fun(char *str, int len){
    char tmp;
    for(int i = 0; i < len - 1 -i; i++){
        tmp = str[len - 1 - i];
        str[len - 1 - i] = str[i];
        str[i] = tmp;
    }
}
int main(){
    char str[10001] = {'\0'};
    fgets(str, sizeof(str), stdin);
    str[strlen(str) - 1] = '\0';
    int len = strlen(str);
    
    fun(str, len);
    printf("%s", str);
    return 0;
}

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