Submission #1142704

#TimeUsernameProblemLanguageResultExecution timeMemory
1142704redaisthegoatCombo (IOI18_combo)C++20
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #include "combo.h" using namespace std; string guess_sequence(int N) { string S=""; int rep = press("AB"); int a; if(rep>=1){ rep= press("A"); if(rep==1){ S+='A'; while(S.length()<N){ a=S.length(); string comb=S+"B"+S+"XX"+S+"XY"+S+"XB"; rep = press(comb); if(rep==a+1){ S+="B"; } if(rep==a+2){ S+="X"; } else S+="Y"; } rep= press(S+"X"); if(rep==1) S+="X"; else{ rep= press(S+="B"); if(rep==1) S+="B"; else S+="Y"; } } else { S+='B'; while(S.length()<N){ a=S.length(); string comb=S+"A"+S+"XX"+S+"XY"+S+"XA"; rep = press(comb); if(rep==a+1){ S+="A"; } if(rep==a+2){ S+="X"; } else S+="Y"; } rep= press(S+"X"); if(rep==1) S+="X"; else{ rep= press(S+="A"); if(rep==1) S+="A"; else S+="Y"; } } } if(rep==0){ rep = press('X'); if(rep==1){ S+='X'; while(S.length()<N){ a=S.length(); string comb=S+"Y"+S+"AA"+S+"AB"+S+"AY"; rep = press(comb); if(rep==a+1){ S+="Y"; } if(rep==a+2){ S+="A"; } else S+="B"; } rep= press(S+"A"); if(rep==1) S+="A"; else{ rep= press(S+="Y"); if(rep==1) S+="Y"; else S+="B"; } } else{ S+='Y'; while(S.length()<N){ a=S.length(); string comb=S+"X"+S+"AA"+S+"AB"+S+"AX"; rep = press(comb); if(rep==a+1){ S+="X"; } if(rep==a+2){ S+="A"; } else S+="B"; } rep= press(S+"A"); if(rep==1) S+="A"; else{ rep= press(S+="X"); if(rep==1) S+="X"; else S+="B"; } } } return S; }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:61:19: error: could not convert ''X'' from 'char' to 'std::string' {aka 'std::__cxx11::basic_string<char>'}
   61 |       rep = press('X');
      |                   ^~~
      |                   |
      |                   char