#include "speedrun.h"
#include<bits/stdc++.h>
using namespace std;
const int Nx = 1e3 + 5;
vector<int> adj[Nx], par(N), ord;
void dfs(int v, int p){
    par[v] = p;
    ord.push_back(v);
    for(auto x : adj[v]){
        if(x == p) continue;
        dfs(x, v);
    }
}
void assignHints(int subtask, int n, int A[], int B[]){
    for(int i = 1; i <= n - 1; i++){
        adj[A[i]].push_back(B[i]);
        adj[B[i]].push_back(A[i]);
    }
    setHintLen(20); 
    dfs(1, 0);
    for(int i = 1; i <= n; i++){
        for(int j = 0; j < 10; j++){
            if(par[i] & (1 << j)) setHint(i, j + 1, 1);
        }
    }
    for(int i = 1; i < ord.size(); i++){
        for(int j = 0; j < 10; j++){
            if(ord[i] & (1 << j)) setHint(ord[i - 1], j + 11, 1);
        }
    }
}

void speedrun(int subtask, int n, int start){
    int cur = start, targ = 0;
    set<int> st;
    while(st.size() < n){
        st.insert(cur);
        int p = 0, nxt = 0;
        for(int j = 1; j <= 10; j++){
            p += getHint(j) * (1 << (j - 1));
            nxt += getHint(j + 10) * (1 << (j - 1));
        }
        if(nxt > 0 && st.find(nxt) == st.end() && goTo(nxt)){
            cur = nxt;
        }else if(targ > 0 && goTo(targ)){
            cur = targ;
            targ = 0;
        }
        else{
            goTo(p);
            cur = p;
            targ = nxt;
        }
    }
}

speedrun.code:5:26: error: ‘N’ was not declared in this scope; did you mean ‘Nx’?
    5 | vector<int> adj[Nx], par(N), ord;
      |                          ^
      |                          Nx
speedrun.code: In function ‘void dfs(int, int)’:
speedrun.code:9:14: error: ‘x’ does not name a type
    9 |     for(auto x : adj[v]){
      |              ^
speedrun.code:12:6: error: expected ‘;’ before ‘}’ token
   12 |     }
      |      ^
      |      ;
   13 | }
      | ~     
speedrun.code:13:1: error: expected primary-expression before ‘}’ token
   13 | }
      | ^
speedrun.code:12:6: error: expected ‘;’ before ‘}’ token
   12 |     }
      |      ^
      |      ;
   13 | }
      | ~     
speedrun.code:13:1: error: expected primary-expression before ‘}’ token
   13 | }
      | ^
speedrun.code:12:6: error: expected ‘)’ before ‘}’ token
   12 |     }
      |      ^
      |      )
   13 | }
      | ~     
speedrun.code:9:8: note: to match this ‘(’
    9 |     for(auto x : adj[v]){
      |        ^
speedrun.code:13:1: error: expected primary-expression before ‘}’ token
   13 | }
      | ^
grader_speedrun.cpp: In function ‘int readvalue()’:
grader_speedrun.cpp:9:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    9 |   fscanf(input, "%d", &val);
      |   ~~~~~~^~~~~~~~~~~~~~~~~~~