제출 #911367

#제출 시각아이디문제언어결과실행 시간메모리
911367Turcavid콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; namespace { constexpr int MAX_N = 2000; constexpr int MAX_NUM_MOVES = 8000; int N; std::string S; int num_moves; void wrong_answer(const char *MSG) { printf("Wrong Answer: %s\n", MSG); exit(0); } } // namespace int press(std::string p) { if (++num_moves > MAX_NUM_MOVES) { wrong_answer("too many moves"); } int len = p.length(); if (len > 4 * N) { wrong_answer("invalid press"); } for (int i = 0; i < len; ++i) { if (p[i] != 'A' && p[i] != 'B' && p[i] != 'X' && p[i] != 'Y') { wrong_answer("invalid press"); } } int coins = 0; for (int i = 0, j = 0; i < len; ++i) { if (j < N && S[j] == p[i]) { ++j; } else if (S[0] == p[i]) { j = 1; } else { j = 0; } coins = std::max(coins, j); } return coins; } 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; } } int32_t main() { return 0; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:52:18: warning: control reaches end of non-void function [-Wreturn-type]
   52 |     vector<char> v;
      |                  ^
/usr/bin/ld: /tmp/cc0LFDOR.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccB0lW6O.o:combo.cpp:(.text+0xf0): first defined here
/usr/bin/ld: /tmp/cc0LFDOR.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccB0lW6O.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status