Submission #834080

#	Time	Username	Problem	Language	Result	Execution time	Memory
834080		EntityPlantt	Combo (IOI18_combo)	C++14	10 / 100	51 ms	456 KiB

combo

#include "combo.h"
using namespace std;
string guess_sequence(int n) {
    string s;
    while (s.size() < n) {
        if (press(s + 'A') > s.size()) s += 'A';
        else if (press(s + 'B') > s.size()) s += 'B';
        else if (press(s + 'X') > s.size()) s += 'X';
        else s += 'Y';
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:5:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    5 |     while (s.size() < n) {
      |            ~~~~~~~~~^~~
combo.cpp:6:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |         if (press(s + 'A') > s.size()) s += 'A';
      |             ~~~~~~~~~~~~~~~^~~~~~~~~~
combo.cpp:7:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |         else if (press(s + 'B') > s.size()) s += 'B';
      |                  ~~~~~~~~~~~~~~~^~~~~~~~~~
combo.cpp:8:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         else if (press(s + 'X') > s.size()) s += 'X';
      |                  ~~~~~~~~~~~~~~~^~~~~~~~~~

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