Submission #375251

#	Time	Username	Problem	Language	Result	Execution time	Memory
375251		Edbert2397	Combo (IOI18_combo)	C++14	0 / 100	1 ms	200 KiB

combo

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

std::string guess_sequence(int N) {
  std::string p = "";
  char s[4] = {'A','B','X','Y'}; 
  do{
    for(int i = 0;i<4;i++){
      p += s[i];
    }
    int coins = press(p);
    if(coins == N){
      string ans = "";
      for(int i = 0;i<3;i++){
        ans += s[i];
      }
      int coins = press(ans);
      if(coins == N) {
        return ans;
      }
      else{
        ans = "";
        for(int i = 1;i<4;i++){
          ans += s[i];
        }
        return ans;
      }
    }
  }while(next_permutation(s,s + 4));
   
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:6:19: warning: control reaches end of non-void function [-Wreturn-type]
    6 |   std::string p = "";
      |                   ^~

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