Submission #1215905

#	Time	Username	Problem	Language	Result	Execution time	Memory
1215905		jump	Combo (IOI18_combo)	C++20	5 / 100	0 ms	408 KiB

combo

#include "combo.h"
#include <iostream>
int loop = 0;
std::string guess_sequence(int N) {
  int currentCoins = 1;
  char startsq = 0;
  char currentsq = 0;
  char othersq = 0;
  char lastsq = 0;
  std::string s = "ABXY";
  if(press("AB"))
  if(press("B"))startsq='B';
  else startsq='A';
  if(press("XY"))
  if(press("Y"))startsq='Y';
  else startsq='X';
  std::string guess_str1;
  guess_str1.assign(N,startsq);
  std::string guess_str2;
  guess_str2.assign(N,startsq);
  for(auto cs:s){
      if(cs!=startsq&&currentsq!=0&&othersq!=0){
        lastsq=cs;
        break;
      }
      if(cs!=startsq&&currentsq!=0&&lastsq==0){
        othersq=cs;
      }
      if(cs!=startsq&&othersq==0){
        currentsq=cs;
      }
      //std::cout << startsq << ' '<< lastsq << ' ' << currentsq << ' ' << othersq<< '\n';
    }
  for(int i=1;i<N-1;i++){
    guess_str2=guess_str1;
    guess_str1[i]=currentsq;
    guess_str2[i]=othersq;
    std::string guess_str3 = guess_str2;
    std::string guess_str4 = guess_str2;
    guess_str2[i+1]=lastsq;
    guess_str3[i+1]=currentsq;
    guess_str4[i+1]=othersq;
    int newC = press(guess_str1+guess_str2+guess_str3+guess_str4);
    if(newC==i){
      guess_str1[i]=lastsq;
    }
    if(newC==i+1){
      guess_str1[i]=currentsq;
    }
    if(newC==i+2){
      guess_str1[i]=othersq;
    }
    //std::cout << guess_str1 << ' ' << lastsq << ' ' << currentsq << ' ' << othersq<< '\n';
  }
  guess_str1[N-1]=lastsq;
  if(press(guess_str1)==N)return guess_str1;
  guess_str1[N-1]=currentsq;
  if(press(guess_str1)==N)return guess_str1;
  guess_str1[N-1]=othersq;
  return guess_str1;
}

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