Submission #624762

#	Time	Username	Problem	Language	Result	Execution time	Memory
624762		chubyxdxd	Combo (IOI18_combo)	C++11	0 / 100	1 ms	208 KiB

combo

#include "combo.h"
using namespace std;

std::string guess_sequence(int N) {
  string S= "";
  for(int i=0;i<N;i++){
    if(press(S+"AB")>S.size()){
      if(press(S+"A")>S.size())S+='A';
      else S+='B';
    }
    else{
      if(press(S+"X")>S.size())S+='X';
      else S+='Y';
    }
  }
  return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     if(press(S+"AB")>S.size()){
      |        ~~~~~~~~~~~~~^~~~~~~~~
combo.cpp:8:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |       if(press(S+"A")>S.size())S+='A';
      |          ~~~~~~~~~~~~^~~~~~~~~
combo.cpp:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |       if(press(S+"X")>S.size())S+='X';
      |          ~~~~~~~~~~~~^~~~~~~~~

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