Submission #133410

#	Time	Username	Problem	Language	Result	Execution time	Memory
133410		reda	Combo (IOI18_combo)	C++14	5 / 100	68 ms	256 KiB

combo

#include<bits/stdc++.h>
#include "combo.h"
using namespace std ;
string guess_sequence(int N)
{
    if(N==3)
    {
        string ans="";
        string use[4]={"A","B","X","Y"};
        int g=-1;
        string t;
        for(int i=0;i<4;i++)
        {
            if(press(use[i])>g)
            {
                g=press(use[i]);
                t=use[i];
            }
        }
        ans+=t;
        string s;
       if(t=="A")s="BXY";
      if(t=="B")s="AXY";
      if(t=="X")s="ABY";
      if(t=="Y")s="ABX";
        int i=0;
      int pv=press(ans);
        while (ans.size()<3)
        {
           string C;
           C=ans;
            C+=s[i];
            int k =press(C);
            if(k>pv)
            {
                ans+=s[i];
              pv=k;
            }
            else i++;
            i=i%3;
        }
        return ans;
    }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type]
   45 | }
      | ^

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