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C string array reverse

2022-08-01 01:08:00 【ma_de_hao_mei_le】

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#include <stdio.h>
#include <string.h>













void reverse(char* s) {
    
    int len = strlen(s);
    for (int i = 0; i < len / 2; i++) {
    
        int diff = *(s + i) - *(s + (len - i - 1));
        *(s + i) = *(s + i) - diff;
        *(s + (len - i - 1)) = *(s + (len - i - 1)) + diff;
    }
}
int main()
{
    
    char s[123] = "1234567890";
    reverse(s);
    printf("%s\n", s);
    return 0;
}