Submission #440923

#	Time	Username	Problem	Language	Result	Execution time	Memory
440923		beferith	Combo (IOI18_combo)	C++14	30 / 100	42 ms	444 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;

string guess_sequence(int N){
    vector<string> chr = {"A","B","X","Y"};

    string curr = "";
    for(int i=0;i<N;i++){
        bool found = false;
        for(int j=0;j<chr.size()-1;j++){
            if(press(curr + chr[j]) == i+1){
                curr += chr[j];
                found = true;
                break;
            }
        }
        if(!found){
            curr += chr[chr.size()-1];
        }
        if(!i){
            chr.erase(find(chr.begin(),chr.end(),curr));
        }
    }
    return curr;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |         for(int j=0;j<chr.size()-1;j++){
      |                     ~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95