Submission #956051

#	Time	Username	Problem	Language	Result	Execution time	Memory
956051		Faissel	Combo (IOI18_combo)	C++17	30 / 100	23 ms	1464 KiB

combo

#include <bits/stdc++.h>
using namespace std;
#include "combo.h" 
#define ll long long
#define endl '\n'
string guess_sequence(int n) {
    string y = "ABXY";
    string ans = "";
    for(int i=1;i<=n;i++){
      bool f= false;
      for(int j=0;j<y.size()-1;j++){
        int val = press(ans+y[j]);
        if(val == i){
          ans += y[j];
          f = true;
          if(i==1)y.erase(y.begin()+j);
          break;
        }
      }
      if(!f){
        ans += y[y.size()-1];
        if(i==1)y.erase(y.begin()+y.size()-1);
      }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |       for(int j=0;j<y.size()-1;j++){
      |                   ~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95