제출 #1285315

#제출 시각아이디문제언어결과실행 시간메모리
1285315ghammazhassan콤보 (IOI18_combo)C++20
컴파일 에러
0 ms0 KiB
#include <iostream> #include <cmath> #include <algorithm> #include <map> #include <unordered_map> #include <vector> #include <iomanip> #include <string> #include <queue> #include <set> #include <deque> #include "combo.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){ string s; int x; for (int i=0;i<1;i++){ s="AB"; x=press(s); if (x){ s="A"; x=press(s); if (x){ s="A"; break; } s="B"; break; } s="X"; x=press(s); if (x){ break; } s="Y"; } string o; if (s=="A"){ o="BXY"; } if (s=="B"){ o="AXY"; } if (s=="X"){ o="ABY"; } if (s=="Y"){ o="ABX"; } string p; while (s.size()<n-1){ p=s+o[0]+s+o[1]+o[0]+s+o[1]+o[1]+s+o[1]+o[2]; x=press(p); if (x==s.size()+1){ s+=o[0]; } else if(x==s.size()+2){ s+=o[1]; } else{ s+=o[2]; } } p=s+o[0]; x=press(p); if (x==s.size()+1){ s+=o[0]; } else{ p=s+o[1]; x=press(p); if (x==s.size()+1){ s+=o[1]; } else{ s+=o[2]; } } return s; }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/cc1A1z8D.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/ccywEHk4.o:combo.cpp:(.text+0x190): first defined here
collect2: error: ld returned 1 exit status