Submission #911369

#TimeUsernameProblemLanguageResultExecution timeMemory
911369TurcavidCombo (IOI18_combo)C++14
Compilation error
0 ms0 KiB
string guess_sequence(int N) { vector<char> v; v.push_back('A'); v.push_back('B'); v.push_back('X'); v.push_back('Y'); int del=4; string sus=""; for(int i=0; i<3; i++) { sus.clear(); sus.push_back(v[i]); if(press(sus) == 1) del=i; } string ans=""; ans+=v[del]; v.erase(v.begin()+del); for(int i=2; i<=N-1; i++) { string qr=""; qr+=(ans+v[1]); qr+=(ans+v[2]+v[0]); qr+=(ans+v[2]+v[1]); qr+=(ans+v[2]+v[2]); cout<<qr<<'\n'; int val=press(qr); if(val == i-1) ans+=v[0]; if(val == i) ans+=v[1]; if(val == i+1) ans+=v[2]; } for(int i=0; i<3; i++) { string qr=ans; qr+=v[i]; if(press(qr) == N) return qr; } }

Compilation message (stderr)

combo.cpp:1:1: error: 'string' does not name a type
    1 | string guess_sequence(int N)
      | ^~~~~~