제출 #668428

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
668428		allin27x	콤보 (IOI18_combo)	C++14	5 / 100	1 ms	256 KiB

combo

#include <iostream>
using namespace std;

int press(string p);

string guess_sequence(int N){
    string S = "";
    if (press("AB")){
        if (press("A")) S = "A"; else S = "B";
    } else {
        if (press("X")) S = "X"; else S = "Y";
    }

    char A = 'A', B='B', C = 'X';
    if (S=="A") A = 'Y'; else if (S=="B") B='Y'; else if (S=="X") C = 'Y';
    int res;
    while (S.size() < N-1){
        res = press(S+A+S+B+A+S+B+B+S+B+C);
        if (res == S.size()){
            S+=C;
        } else if (res == S.size()+1){
            S+=A;
        } else {
            S+=B;
        }
    }
    if (press(S+A+S+B)==N){
        if (press(S+A)==N) S+=A; else S+=B;
    } else {
        S+=C;
    }
    return S;


}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:17:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   17 |     while (S.size() < N-1){
      |            ~~~~~~~~~^~~~~
combo.cpp:19:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |         if (res == S.size()){
      |             ~~~~^~~~~~~~~~~
combo.cpp:21:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         } else if (res == S.size()+1){
      |                    ~~~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95