Submission #1083656

#	Time	Username	Problem	Language	Result	Execution time	Memory
1083656		erdemfurkan	Combo (IOI18_combo)	C++14	0 / 100	1 ms	596 KiB

combo

#include "combo.h"
#include <iostream>
using namespace std;

string s;

string guess_sequence(int N) {

  int a = press("A");
  int b = press("B");
  int x = press("X");
  int y = !(a&b&x);
  if(a) {
    s += 'A';
    // a b y
    // a'yı yalnız bırak tek stringde p+b ve p+y+b p+y+p p+y+a'yı dene
    while(s.length() != N-1) {
      string tmp = s;
      tmp += 'B';
      string tmp2 = s;
      tmp2 += 'Y';
      tmp2 += 'B';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'Y';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'X';
      string son = tmp + tmp2;

      int sonuc = press(son);
      if(sonuc == s.length()) {
        // son harf a'dır
        s += 'X';
      }
      if(sonuc == s.length()+1) {
        // son harf b'dir
        s += 'B';
      }
      if(sonuc == s.length()+2) {
        // son harf y'dir
        s += 'Y';
      }  
    }
    if(press(s+'B')==N) return s+'B';
    else if(press(s+'X')==N) return s+'X';
    else return s+'Y';
  }
  if(b) {
    s += 'B';
    // a b y
    // a'yı yalnız bırak tek stringde p+b ve p+y+b p+y+p p+y+a'yı dene
    while(s.length() != N-1) {
      string tmp = s;
      tmp += 'X';
      string tmp2 = s;
      tmp2 += 'Y';
      tmp2 += 'X';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'A';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'Y';
      string son = tmp + tmp2;
      int sonuc = press(son);
      if(sonuc == s.length()) {
        // son harf a'dır
        s += 'A';
      }
      if(sonuc == s.length()+1) {
        // son harf b'dir
        s += 'X';
      }
      if(sonuc == s.length()+2) {
        // son harf y'dir
        s += 'Y';
      }    
    }
    if(press(s+'A')==N) return s+'A';
    else if(press(s+'X')==N) return s+'X';
    else return s+'Y';
  }
  if(x) {
    s += 'X';
    // a b y
    // a'yı yalnız bırak tek stringde p+b ve p+y+b p+y+p p+y+a'yı dene
    while(s.length() != N) {
      string tmp = s;
      tmp += 'B';
      string tmp2 = s;
      tmp2 += 'Y';
      tmp2 += 'B';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'Y';
      tmp2 += s;
      tmp2 += 'Y';
      tmp2 += 'A';
      string son = tmp + tmp2;
      int sonuc = press(son);
      if(sonuc == s.length()) {
        // son harf a'dır
        s += 'A';
      }
      if(sonuc == s.length()+1) {
        // son harf b'dir
        s += 'B';
      }
      if(sonuc == s.length()+2) {
        // son harf y'dir
        s += 'Y';
      }    
    }
    if(press(s+'A')==N) return s+'A';
    else if(press(s+'B')==N) return s+'B';
    else return s+'Y';
  }
  if (y) {
    s += 'Y';
    // a b y
    // a'yı yalnız bırak tek stringde p+b ve p+y+b p+y+p p+y+a'yı dene
    while(s.length() != N) {
      string tmp = s;
      tmp += 'B';
      string tmp2 = s;
      tmp2 += 'X';
      tmp2 += 'B';
      tmp2 += s;
      tmp2 += 'X';
      tmp2 += 'X';
      tmp2 += s;
      tmp2 += 'X';
      tmp2 += 'A';
      string son = tmp + tmp2;

      int sonuc = press(son);
      if(sonuc == s.length()) {
        // son harf a'dır
        s += 'A';
      }
      if(sonuc == s.length()+1) {
        // son harf b'dir
        s += 'B';
      }
      if(sonuc == s.length()+2) {
        // son harf y'dir
        s += 'X';
      }    
    }
    if(press(s+'A')==N) return s+'A';
    else if(press(s+'B')==N) return s+'B';
    else return s+'X';
  }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:17:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   17 |     while(s.length() != N-1) {
      |           ~~~~~~~~~~~^~~~~~
combo.cpp:32:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |       if(sonuc == s.length()) {
      |          ~~~~~~^~~~~~~~~~~~~
combo.cpp:36:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |       if(sonuc == s.length()+1) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:40:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |       if(sonuc == s.length()+2) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:53:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   53 |     while(s.length() != N-1) {
      |           ~~~~~~~~~~~^~~~~~
combo.cpp:67:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |       if(sonuc == s.length()) {
      |          ~~~~~~^~~~~~~~~~~~~
combo.cpp:71:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |       if(sonuc == s.length()+1) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:75:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |       if(sonuc == s.length()+2) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:88:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   88 |     while(s.length() != N) {
      |           ~~~~~~~~~~~^~~~
combo.cpp:102:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |       if(sonuc == s.length()) {
      |          ~~~~~~^~~~~~~~~~~~~
combo.cpp:106:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  106 |       if(sonuc == s.length()+1) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:110:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |       if(sonuc == s.length()+2) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:123:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  123 |     while(s.length() != N) {
      |           ~~~~~~~~~~~^~~~
combo.cpp:138:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  138 |       if(sonuc == s.length()) {
      |          ~~~~~~^~~~~~~~~~~~~
combo.cpp:142:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |       if(sonuc == s.length()+1) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:146:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  146 |       if(sonuc == s.length()+2) {
      |          ~~~~~~^~~~~~~~~~~~~~~
combo.cpp:155:1: warning: control reaches end of non-void function [-Wreturn-type]
  155 | }
      | ^

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