Submission #296987

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
296987	2020-09-11 07:00:14	Touubs	Combo (IOI18_combo)	C++17	5 / 100	1 ms	200 KiB

combo

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#include "combo.h"
using namespace std;
string keys;
char initKey;
std::string guess_sequence(int N) {
    if (press("A")) {
  keys = "BXY";
  initKey = 'A';
    } else if (press("B")) {
  keys = "AXY";
  initKey = 'B';
    } else if (press("X")) {
  keys = "ABY";
  initKey = 'X';
    } else {
  keys = "ABX";
  initKey = 'Y';
    }
    string sol = {initKey};
    for (int i = 1; i < N-1; i++) {
  string q;
  q += sol;
  q += {keys[0]};
  for (char ot : keys) {
      q += sol;
 
 
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Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:34:10: 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 (res == sol.size() + 1) sol.push_back(keys[0]);
      |      ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:35:15: 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 (res == sol.size() + 2) sol.push_back(keys[1]);
      |           ~~~~^~~~~~~~~~~~~~~~~

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