제출 #863081

#제출 시각아이디문제언어결과실행 시간메모리
863081maks007콤보 (IOI18_combo)C++14
컴파일 에러
0 ms0 KiB
#include "combo.h" #include "bits/stdc++.h" #include "grader.cpp" using namespace std; string guess_sequence(int n) { string str = "", abxy; str += 'A'; if(press(str) == 1) goto end; str.pop_back(); str += 'B'; if(press(str) == 1) goto end; str.pop_back(); str += 'X'; if(press(str) == 1) goto end; str.pop_back(); str += 'Y'; end:; if(str.size() == n) return str; if(str[0] == 'X') abxy = "ABY"; else if(str[0] == 'A') abxy = "BXY"; else if(str[0] == 'Y') abxy = "ABX"; else abxy = "AXY"; while(1) { string forPress; forPress += str + abxy[0]; forPress += str + abxy[1] + abxy[0] + str + abxy[1] + abxy[1] + str + abxy[1] + abxy[2]; int cnt = press(forPress); if(cnt == str.size() + 1) str += abxy[0]; else if(cnt == str.size() + 2) str += abxy[1]; else str += abxy[2]; if(str.size() == n - 1) break; } if(press(str + abxy[0]) == n) str += abxy[0]; else if(press(str + abxy[1]) == n) str += abxy[1]; else str += abxy[2]; return str; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:20:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |  if(str.size() == n) return str;
      |     ~~~~~~~~~~~^~~~
combo.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   if(cnt == str.size() + 1) str += abxy[0];
      |      ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:31:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   else if(cnt == str.size() + 2) str += abxy[1];
      |           ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:33:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |   if(str.size() == n - 1) break;
      |      ~~~~~~~~~~~^~~~~~~~
/usr/bin/ld: /tmp/ccuKUgpF.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/ccj5HlxF.o:combo.cpp:(.text+0xc0): first defined here
/usr/bin/ld: /tmp/ccuKUgpF.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccj5HlxF.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status