Submission #916731

#	Time	Username	Problem	Language	Result	Execution time	Memory
916731		_VIBE	Combo (IOI18_combo)	C++17	0 / 100	1 ms	344 KiB

combo

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

string guess_sequence(int N);

int press(string p);

string guess_sequence(int N) {
    
    set<char> s={'A','X','B','Y'};
  	string ans;
  
  	for(auto x:s){
      	if(press(to_string(x))==1){
           ans+=x;
           s.erase(x);break;
        }
    }
  	
  	int val=1;
  	for(int i=1;i<N;i++){
      	for(auto x:s){
          	ans+=x;
          	if(press(ans)==val+1) break;
          	ans.pop_back();
        }
    }
  
  	return ans;
}

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