func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, q, k;   vector<int> v[1000010];   int lastans = 0, res[1000010];   void dfs(int np, int fath, int val) {     res[np] = val;     for (auto &x : v[np]) {       if (x == fath) continue;       dfs(x, np, min(val, x));     }   }   int main() {     scanf( %d%d , &n, &q);     for (int i = 1, ti, tj; i < n; i++) {       scanf( %d%d , &ti, &tj);       v[ti].push_back(tj);       v[tj].push_back(ti);     }     int a, b;     scanf( %d%d , &a, &b);     b = b % n + 1;     dfs(b, 0, b);     lastans = 0;     k = b;     for (int i = 2, ti, tj; i <= q; i++) {       scanf( %d%d , &ti, &tj);       tj = (tj + lastans) % n + 1;       if (ti == 1)         k = min(k, res[tj]);       else         printf( %d n , lastans = min(k, res[tj]));     }     return 0;   }   