Submission #955588

#	Time	Username	Problem	Language	Result	Execution time	Memory
955588		ASGA_RedSea	Combo (IOI18_combo)	C++17	10 / 100	26 ms	1448 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

//int press(string s){cout<<"press : "<<s<<" : ";int r;cin>>r;return r;}

string guess_sequence(int n){
    string s;
    string arr = "ABXY";

    for(auto& i : arr){
        string ss;ss += i;
        if(press(ss) == 1){
            s += i;
            break;
        }
    }

    arr.erase(find(arr.begin(),arr.end(),s[0]) - arr.begin(),1);

    while(s.size() < n){
        string p = s;
        for(auto& i : arr){
            p += i;
            int r = press(p);
            if(r == s.size() + 1)break;
            p.pop_back();
        }
        s = p;
    }

    return s;
}

//int main(){int n;cin>>n;cout<<guess_sequence(n);return 0;}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:22:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |     while(s.size() < n){
      |           ~~~~~~~~~^~~
combo.cpp:27:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |             if(r == s.size() + 1)break;
      |                ~~^~~~~~~~~~~~~~~

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