题解 | #字符逆序#
字符逆序
https://www.nowcoder.com/practice/cc57022cb4194697ac30bcb566aeb47b
#include <stdio.h> #include <string.h> #define N 10010 char s[N]; void reverse(char* s) { int n = strlen(s); for (int i = 0; i < n / 2; i ++ ) { char c = s[i]; s[i] = s[n - i - 1]; s[n - i - 1] = c; } } int main() { scanf("%[^\n]", s); reverse(s); for (int i = 0; i < strlen(s); i ++ ) printf("%c", s[i]); return 0; }