Submission #807634

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
807634	2023-08-04 20:52:47	kingfran1907	Combo (IOI18_combo)	C++14	100 / 100	29 ms	576 KiB

combo

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#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
std::string guess_sequence(int N) {
  string S;
  string ls;
  if (press("AB")) {
    if (press("A")) S = "A";
    else S = "B";
  } else {
    if (press("X")) S = "X";
    else S = "Y";
  }
  
  for (char t : "ABXY") {
    if (t != S[0]) ls.push_back(t);
  }
  ls.resize(3);
  //cout << ls.size() << endl;
  
  for (int i = 1; i < N - 1; i++) {
    string qs = S;
    qs.push_back(ls[0]);
    for (char t : ls) {
      qs += S;
      qs.push_back(ls[1]);
      qs.push_back(t);
    }
    
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:34:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |   if (out == S.size()) S.push_back(ls[2]);
      |       ~~~~^~~~~~~~~~~
combo.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   else if (out == S.size() + 1) S.push_back(ls[0]);
      |            ~~~~^~~~~~~~~~~~~~~

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