제출 #336924

#제출 시각아이디문제언어결과실행 시간메모리
336924blue콤보 (IOI18_combo)C++11
5 / 100
1 ms256 KiB
#include "combo.h" #include <iostream> #include <string> #include <vector> using namespace std; /*int press(string S) { cout << S << '\n'; int res; cin >> res; return res; }*/ string guess_sequence(int N) { string res; if(press("AB") >= 1) { res = (press("A") == 1 ? "A" : "B"); } else { res = (press("X") == 1 ? "X" : "Y"); } string query; int query_res; vector<string> C; for(string t: {"A", "B", "X", "Y"}) if(t != res) C.push_back(t); while(res.size() != N-1) { query.clear(); query += res + C[0]; query += res + C[1] + C[0]; query += res + C[1] + C[1]; query += res + C[1] + C[2]; query_res = press(query); if(query_res == res.size()) { res += C[2]; } else if(query_res == res.size() + 1) { res += C[0]; } else { res += C[1]; } } if(press(res + C[0] + res + C[1]) == res.size()) { res += C[2]; } else { if(press(res + C[0]) == res.size() + 1) { res += C[0]; } else { res += C[1]; } } return res; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:33:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |     while(res.size() != N-1)
      |           ~~~~~~~~~~~^~~~~~
combo.cpp:43:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         if(query_res == res.size())
      |            ~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         else if(query_res == res.size() + 1)
      |                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~
combo.cpp:57:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     if(press(res + C[0] + res + C[1]) == res.size())
      |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:63:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |         if(press(res + C[0]) == res.size() + 1)
      |            ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask 15 / 5

#Verdict Execution timeMemoryGrader output
Fetching results...

Subtask 20 / 95

#Verdict Execution timeMemoryGrader output
Fetching results...