Submission #1191923

#TimeUsernameProblemLanguageResultExecution timeMemory
1191923p4r4d0_x콤보 (IOI18_combo)C++20
Compilation error
0 ms0 KiB
#include "combo.h" #include<bits/stdc++.h> using namespace std; #define pb push_back #define ll long long string guess_sequence(int N) { vector<char> a = {'A', 'B', 'X', 'Y'}; string s; if(press("AB")){ if(press("A")) s = "A"; else s="B" }else if(press("X"))s="X"; else s="Y"; else if(press("XY") == 1){ if(press("X") == 1){ s = "X"; } else s = "Y"; } ll cnt = 1; vector<char> v; for(int i = 0; i < 4; ++i){ if(a[i] != s[0]){ v.pb(a[i]); } } char b = v[0], x = v[1], y = v[2]; while(1){ cnt++; if(cnt==N){ if(press(s + b) == N){ s += b; } else if(press(s + x) == N){ s += x; } else s += y; break; } else{ ll count = press(s + b + s + x + b + s + x + y + s + x + x); if(count == cnt + 1){ s += b; } else if(count == cnt + 2){ s += x; } else s += y; } } return s; }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:14:10: error: expected ';' before '}' token
   14 |     s="B"
      |          ^
      |          ;
   15 |   }else if(press("X"))s="X";
      |   ~       
combo.cpp:17:3: error: 'else' without a previous 'if'
   17 |   else if(press("XY") == 1){
      |   ^~~~