Submission #805327

#	Time	Username	Problem	Language	Result	Execution time	Memory
805327		Malix	Combo (IOI18_combo)	C++14	0 / 100	1 ms	208 KiB

combo

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

std::string guess_sequence(int N) {
  vector<string> b = {"A", "B", "X", "Y"};
  string S;
  for(int i=0;i<3;i++){
    if(press(b[0])){
      S+=b[i];
      b.erase(b.begin()+i);
    }
  }
  if(!S.size()){
    S+=b[3];
    b.erase(b.begin()+3);
  }
  int k=1;
  for(int i=0;i<N-1;i++){
    for(int i=0;i<2;i++){
      if(press(b[0])){
        S+=b[i];
      }
    }
    if(S.size()!=k+1){
      S+=b[3];
    }
    k++;
  }
  return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:25:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |     if(S.size()!=k+1){
      |        ~~~~~~~~^~~~~

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