Submission #787174

#	Time	Username	Problem	Language	Result	Execution time	Memory
787174		resolve100	Combo (IOI18_combo)	C++14	5 / 100	1 ms	256 KiB

combo

#include<bits/stdc++.h>
#include "combo.h"
#define ll long long
#define ull unsigned ll
#define pb push_back
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

using namespace std;

string chars[] = {"A", "B", "X", "Y"};
string guess_sequence(int N){

    string out;
    for (int i = 0; i < 3; i++){
        for (int j = 0; j < 3; j++){
            int num = press(out+chars[j]);
            if (num == i+1) {
                out.append(chars[j]);
                break;
            }
        }
        if (out.size() == i) out.append(chars[3]);
    }

    return out;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:22:24: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |         if (out.size() == i) out.append(chars[3]);
      |             ~~~~~~~~~~~^~~~

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