Submission #1009396

#	Time	Username	Problem	Language	Result	Execution time	Memory
1009396		Increedible	Combo (IOI18_combo)	C++14	10 / 100	47 ms	940 KiB

combo

#include "combo.h"
#include <string>
using namespace std;
string guess_sequence(int N) {
    string s = "";
    int oldcoins = 0;
    while (s.size() < N) {
        if (press(s + "A") > oldcoins) {
            oldcoins++;
            s += "A";
        } else if (press(s + "B") > oldcoins) {
            oldcoins++;
            s += "B";
        } else if (press(s + "X") > oldcoins) {
            oldcoins++;
            s += "X";
        } else if (press(s + "Y") > oldcoins) {
            oldcoins++;
            s += "Y";
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    7 |     while (s.size() < N) {
      |            ~~~~~~~~~^~~

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