Submission #82451

#TimeUsernameProblemLanguageResultExecution timeMemory
82451farukkastamonudaCombo (IOI18_combo)C++14
100 / 100
50 ms636 KiB
#include "combo.h" #include <bits/stdc++.h> #define fi first #define se second #define lo long long #define inf 1000000009 #define md 1000000007 #define li 100005 #define mp make_pair #define pb push_back #define mid (start+end)/2 using namespace std; int n; string y,ana; char ilk; string guess_sequence(int N){ ana.clear(); ilk=' '; n=N; y="AB"; if(press(y)>=1){ y="A"; if(press(y)>=1){ ilk='A'; } else ilk='B'; } else{ y='X'; if(press(y)>=1){ ilk='X'; } else ilk='Y'; } ana=ana+ilk; if(N==1) return ana; for(int i=2;i<=n-1;i++){ string t=ana; int uz=i-1; if(ilk=='A'){ t=t+'B'; t=t+ana+'X'+'X'; t=t+ana+'X'+'Y'; t=t+ana+'X'+'B'; int sonuc=press(t); if(sonuc==uz){ ana=ana+'Y'; } else if(sonuc==uz+1){ ana=ana+'B'; } else ana=ana+'X'; } else if(ilk=='B'){ t=t+'A'; t=t+ana+'X'+'X'; t=t+ana+'X'+'Y'; t=t+ana+'X'+'A'; int sonuc=press(t); if(sonuc==uz){ ana=ana+'Y'; } else if(sonuc==uz+1){ ana=ana+'A'; } else ana=ana+'X'; } else if(ilk=='X'){ t=t+'B'; t=t+ana+'A'+'A'; t=t+ana+'A'+'Y'; t=t+ana+'A'+'B'; int sonuc=press(t); if(sonuc==uz){ ana=ana+'Y'; } else if(sonuc==uz+1){ ana=ana+'B'; } else ana=ana+'A'; } else if(ilk=='Y'){ t=t+'B'; t=t+ana+'A'+'A'; t=t+ana+'A'+'X'; t=t+ana+'A'+'B'; int sonuc=press(t); if(sonuc==uz){ ana=ana+'X'; } else if(sonuc==uz+1){ ana=ana+'B'; } else ana=ana+'A'; } } string g; g.clear(); if(ilk=='A'){ g=ana+'B'+ana+'X'; int sonuc=press(g); if(sonuc==n-1){ ana=ana+'Y'; return ana; } g=ana+'B'; sonuc=press(g); if(sonuc==n-1){ ana=ana+'X'; return ana; } ana=ana+'B'; return ana; } // else if(ilk=='B'){ g=ana+'A'+ana+'X'; int sonuc=press(g); if(sonuc==n-1){ ana=ana+'Y'; return ana; } g=ana+'A'; sonuc=press(g); if(sonuc==n-1){ ana=ana+'X'; return ana; } ana=ana+'A'; return ana; } // else if(ilk=='X'){ g=ana+'B'+ana+'A'; int sonuc=press(g); if(sonuc==n-1){ ana=ana+'Y'; return ana; } g=ana+'B'; sonuc=press(g); if(sonuc==n-1){ ana=ana+'A'; return ana; } ana=ana+'B'; return ana; } else if(ilk=='Y'){ g=ana+'B'+ana+'X'; int sonuc=press(g); if(sonuc==n-1){ ana=ana+'A'; return ana; } g=ana+'B'; sonuc=press(g); if(sonuc==n-1){ ana=ana+'X'; return ana; } ana=ana+'B'; return ana; } }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:97:9: warning: control reaches end of non-void function [-Wreturn-type]
   97 |  string g;
      |         ^
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