제출 #765924

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
765924		tengiz05	콤보 (IOI18_combo)	C++17	컴파일 에러	0 ms	0 KiB

combo

#include "combo.h"
#include "iostream"
#ifndef ONLINE_JUDGE
#include "grader.cpp"
#endif

using namespace std;

std::string guess_sequence(int n) {
    string s;
    if (press("AB") > 1) {
        if (press("A")) {
            s = "A";
        } else {
            s = "B";
        }
    } else {
        if (press("X")) {
            s = "X";
        } else {
            s = "Y";
        }
    }
    string f = "ABXY";
    f.erase(f.begin() + f.find(s[0]));
    while (s.size() < n) {
        if (n - s.size() == 1) {
            if (press(s + f[0]) == n) {
                s += f[0];
            } else if (press(s + f[1]) == n) {
                s += f[1];
            } else {
                s += f[2];
            }
        } else {
            int val = press(s + f[0] + s + f[1] + f[0] + s + f[1] + f[1] + s + f[1] + f[2]);
            if (val == s.size()) {
                s += f[2];
            } else if (val == s.size() + 1) {
                s += f[0];
            } else {
                s += f[1];
            }
        }
    }
    return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:26:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   26 |     while (s.size() < n) {
      |            ~~~~~~~~~^~~
combo.cpp:37:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             if (val == s.size()) {
      |                 ~~~~^~~~~~~~~~~
combo.cpp:39:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |             } else if (val == s.size() + 1) {
      |                        ~~~~^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccZOCrCk.o: in function `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x0): multiple definition of `press(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/ccEklOoj.o:combo.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccZOCrCk.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccEklOoj.o:combo.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status