Submission #889286

#	Time	Username	Problem	Language	Result	Execution time	Memory
889286		Hugo1729	Combo (IOI18_combo)	C++11	10 / 100	20 ms	1464 KiB

combo

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

using namespace std;

// int press(string q){return 1;}

string guess_sequence(int N){
  string ans;
  string letters[3];
  if (press("A")==1) {ans="A";letters[0]="B";letters[1]="X";letters[2]="Y";}
  if (press("B")==1) {ans="B";letters[0]="A";letters[1]="X";letters[2]="Y";}
  if (press("X")==1) {ans="X";letters[0]="B";letters[1]="A";letters[2]="Y";}
  if (press("Y")==1) {ans="Y";letters[0]="B";letters[1]="X";letters[2]="A";}

  int n=1;
  
  while(ans.length()<=N-1){

    // int query = press((ans+letters[0])+(ans+letters[1]+letters[0])+(ans+letters[1]+letters[1])+(ans+letters[1]+letters[2]));

    // if (query==n+1) ans+=letters[0];
    // else if (query==n+2) ans+=letters[1];
    // else ans+=letters[2];

    if(press(ans+letters[0])==n+1) ans+=letters[0];
    else if(press(ans+letters[1])==n+1) ans+=letters[1];
    else ans+=letters[2];

    n++;
  }

  // if(press(ans+letters[0])==n+1) ans+=letters[0];
  // else if(press(ans+letters[1])==n+1) ans+=letters[1];
  // else ans+=letters[2];

  return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:18:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   while(ans.length()<=N-1){
      |         ~~~~~~~~~~~~^~~~~

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