제출 #630472

#제출 시각아이디문제언어결과실행 시간메모리
630472NintsiChkhaidze콤보 (IOI18_combo)C++14
100 / 100
32 ms576 KiB
#include "combo.h" #include <bits/stdc++.h> #define pb push_back using namespace std; vector<char> v = {'A', 'B', 'X', 'Y'}, w; string guess_sequence(int N) { string S = ""; char f = v[3]; string k = "AB"; if (press(k)){ f = 'B'; if (press("A")) f = 'A'; }else{ f = 'Y'; if (press("X")) f = 'X'; } S += f; for (auto c : v) if (c != f) w.pb(c); while (S.size() < N - 1) { string p = S + w[0] + S + w[1] + w[0] + S + w[1] + w[1] + S + w[1] + w[2]; int coins = press(p), s = S.size(); if (coins == s) S += w[2]; else if (coins == s + 1) S += w[0]; else if (coins == s + 2) S += w[1]; } if (N > 1) { char ls = w[2]; for (int i = 0; i < 2; i++) { string P = S + w[i]; if (press(P) == S.size() + 1) { ls = w[i]; break; } } S += ls; } return S; } // ABXYBXXXXBY

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:25:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |   while (S.size() < N - 1) {
      |          ~~~~~~~~~^~~~~~~
combo.cpp:40:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |       if (press(P) == S.size() + 1) {
      |           ~~~~~~~~~^~~~~~~~~~~~~~~
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