제출 #713310

#제출 시각아이디문제언어결과실행 시간메모리
713310europium콤보 (IOI18_combo)C++17
97 / 100
39 ms540 KiB
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <numeric> #include <cmath> #include <iterator> #include <set> #include <map> #include <math.h> #include <iomanip> #include <unordered_set> #include "combo.h" using namespace std; string guess_sequence(int n) { vector<string> moves; string s; if (press("A")){ s = "A"; moves = {"X", "B", "Y"}; } else if (press("B")){ s = "B"; moves = {"A", "X", "Y"}; } else if (press("X")){ s = "X"; moves = {"A", "B", "Y"}; } else{ s = "Y"; moves = {"A", "B", "X"}; } if (n == 1) return s; while (s.size() < n - 1){ string guess = s + moves[0] + s + moves[1] + moves[0] + s + moves[1] + moves[1] + s + moves[1] + moves[2]; int coins = press(guess); if (coins == s.size()) s += moves[2]; else if (coins == s.size() + 1) s += moves[0]; else if (coins == s.size() + 2) s += moves[1]; } for (int i = 0; i < 2; i++){ string guess = s + moves[i]; if (press(guess) == s.size() + 1) return guess; } return s + moves[2]; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:39:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |     while (s.size() < n - 1){
      |            ~~~~~~~~~^~~~~~~
combo.cpp:43:19: 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 (coins == s.size()) s += moves[2];
      |             ~~~~~~^~~~~~~~~~~
combo.cpp:44:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         else if (coins == s.size() + 1) s += moves[0];
      |                  ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:45:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         else if (coins == s.size() + 2) s += moves[1];
      |                  ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:51:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         if (press(guess) == s.size() + 1) return guess;
      |             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
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