Rabbit的字符串 字符串最小表示法

Rabbit的字符串

 #include<bits/stdc++.h>
 using namespace std;
 const int maxn = 1e5+;
 char s[maxn];
 int get_min_pos() {
     int ans = , cmp = , k = , t, len = strlen(s);
     while (ans<len && cmp<len && k<len) {
         int t = s[(ans+k)%len]-s[(cmp+k)%len];
         if (!t) k++;
         else {
             if (t > ) ans += k+;
             else cmp += k+;
             if (ans == cmp) cmp++;
             k = ;
         }
     }
     return min(ans,cmp);
 }
 int main() {
     int n; scanf("%d",&n);
     scanf("%s",s);
     if (get_min_pos() == ) puts("NO");
     else puts("YES");
     return ;
 }