Submission #717293

#	Time	Username	Problem	Language	Result	Execution time	Memory
717293		Juan	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

    #include<bits/stdc++.h>
    #include "cave.h"
    using namespace std;
     
     
    void exploreCave(int N){
      int S[N]={}, D[N]={};
      vector<int> unprocessed;
      for(int i = 0; i < N; i++) unprocessed.push_back(i);
      
      for(int i = 0; i < N; i++){
        for(int x : unprocessed) S[x] = 0;
        if(tryCombination(vask)!=i){
          for(int x : unprocessed) S[x] = 1;
        }
     
        int l = 0, r = unprocessed.size()-1;
        while(l<=r){
          int m = (l+r)>>1;
          for(int j = 0; j <= m; j++) S[unprocessed[j]] ^= 1;
          int ret = tryCombination(S);
          if(ret==i) l = m+1;
          else r = m-1;
     
          for(int j = 0; j <= m; j++) S[unprocessed[j]] ^= 1;
        }
     
        int pos = unprocessed[l];
        S[pos] ^= 1;
        D[pos] = i;
        unprocessed.erase(unprocessed.begin()+l);
      }
     
      answer(S, D);
    }

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:13:27: error: 'vask' was not declared in this scope
   13 |         if(tryCombination(vask)!=i){
      |                           ^~~~