제출 #139904

#제출 시각아이디문제언어결과실행 시간메모리
139904vince콤보 (IOI18_combo)C++14
100 / 100
333 ms2048 KiB
#include "combo.h" #include <stdio.h> #include <iostream> #include <string> #include <assert.h> using namespace std; string C; string guess_sequence(int N) { string S = ""; int a = press("AX"); if(a) { int x = press("A"); if(x) S = "A", C = "BXY"; else S = "X", C = "ABY"; } else { int x = press("B"); if(x) S = "B", C = "AXY"; else S = "Y", C = "ABX"; } if(N == S.size()) return S; while(S.size() != N-1) { string T = S + C.substr(0,1); for(int i = 0; i < 3; i++) { T += S + C.substr(1,1) + C.substr(i, 1); } int val = press(T); if(val == S.size()+1) S += C.substr(0,1); else if(val == S.size()+2) S += C.substr(1,1); else S += C.substr(2,1); // cout << S << "\n"; if(S.size() == N-1) break; } string T = S + C.substr(0,1) + S + C.substr(1,1); int x = press(T); if(x == N) { if(press(S + C.substr(0,1)) == N) return S + C.substr(0,1); else return S + C.substr(1,1); } else return S + C.substr(2,1); return S; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:28:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     if(N == S.size())
      |        ~~^~~~~~~~~~~
combo.cpp:31:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   31 |     while(S.size() != N-1)
      |           ~~~~~~~~~^~~~~~
combo.cpp:39:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         if(val == S.size()+1)
      |            ~~~~^~~~~~~~~~~~~
combo.cpp:41:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         else if(val == S.size()+2)
      |                 ~~~~^~~~~~~~~~~~~
combo.cpp:47:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   47 |         if(S.size() == N-1)
      |            ~~~~~~~~~^~~~~~
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