Submission #601630

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
601630	2022-07-22 08:47:00	idiot123	Combo (IOI18_combo)	C++14	100 / 100	41 ms	440 KiB

combo

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#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
string guess_sequence(int N) {
  string ans;
  if(press("AB") >= 1){
    if(press("A") == 1){
      ans = "A";
    }else{
      ans = "B";
    }
  }else{
    if(press("X") == 1){
      ans = "X";
    }else{
      ans = "Y";
    }
  }
  if(N == 1)return ans;
  vector<string> letters;
  if(ans != "A")letters.push_back("A");
  if(ans != "B")letters.push_back("B");
  if(ans != "X")letters.push_back("X");
  if(ans != "Y")letters.push_back("Y");
  string a = ans + letters[0]; string b = ans + letters[1]; string c = ans + letters[2];
  for(int i = 2; i < N; i++){
    int x = press(a + letters[0] + a + letters[1] + b + letters[0]);
    if(x < i){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 95 / 95