제출 #596939

#제출 시각아이디문제언어결과실행 시간메모리
596939Belphegor콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> #include "combo.h" using namespace std; string C = "ABXY"; string guess_sequence(int n){ string s = "AB"; if(press(s)){ s = "A"; if(!press(s)) s = "B"; } else{ s = "X"; if(!press(s)) s = "Y"; } for(int i=0; C[i]; i++){ if(C[i]==s[0]){ C.erase(C.begin()+i); break; } } string S[4]; for(int i=0; i<4; i++) S[i] = s; n--; while(n){ int len = S[0].length(); if(n==1){ if(press(S[0]+"A"+S[0]+"B")>len){ if(press(S[0]+"A")>len) S[0].push_back('A'); else S[0].push_back('B'); } else{ if(press(S[0]+"X")>len) S[0].push_back('X'); else S[0].push_back('Y'); } n--; } else{ for(int i=0; i<3; i++) S[i].push_back(C[0]); for(int i=0; i<3; i++) S[i].push_back(C[i]); S[3].push_back(C[1]); int ret = press(S[0]+S[1]+S[2]+S[3]) for(int i=0; i<3; i++){ S[i].pop_back(); S[i].pop_back(); } S[3].pop_back(); char ch; if(ret==len) ch = C[2]; else if(ret==len+1) ch = C[1]; else ch = C[0]; for(int i=0; i<4; i++) S[i].push_back(ch); n-=2; } } return S[0]; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:42:4: error: expected ',' or ';' before 'for'
   42 |    for(int i=0; i<3; i++){
      |    ^~~
combo.cpp:42:17: error: 'i' was not declared in this scope
   42 |    for(int i=0; i<3; i++){
      |                 ^