Submission #1259467

#TimeUsernameProblemLanguageResultExecution timeMemory
1259467truongdz_top12Cave (IOI13_cave)C++20
Compilation error
0 ms0 KiB
#include "cave.h" #include<bits/stdc++.h> using namespace std; int state[5000],door[5000],used[5000],S[500],D[5000]; void exploreCave(int N) { for(int d=0;d<N;++d) { for(int i=0;i<N;++i) if(used[i]) S[i]=state[i]; S[0]^=1; int l=0,r=N-1,can=-1; int k=tryCombination(S); while(l<=r) { int mid=(l+r)>>1; for(int i=0;i<N;++i) if(used[i]) S[i]=state[i]; else S[i]=(i<=mid); int res=tryCombination(S); if(res==-1||res>d) { can=mid; l=mid+1; } else r=mid-1; } used[can]=1; D[can]=d; for(int s=0;s<=1;++s) { S[i]=s; for(int i=0;i<N;++i) if(used[i]&&i!=can) S[i]=state[i]; int res=tryCombination(S); if(res==-1||res>d) { S[can]=s; break; } } } answer(S,D); }

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:36:15: error: 'i' was not declared in this scope
   36 |             S[i]=s;
      |               ^