Submission #118641

#	Time	Username	Problem	Language	Result	Execution time	Memory
118641		Autoratch	Combo (IOI18_combo)	C++14	0 / 100	2 ms	220 KiB

combo

#include <bits/stdc++.h>
 #include "combo.h"
 using namespace std;
 /*
 int press(string s)
 {
     cout << s;
     int x;
     cin >> x;
     return x;
 }
 */
 string guess_sequence(int n)
 {
     string all = "ABXY",pos,ans;
     if(!press("A")) pos+="A"; else ans = "A";
     if(!press("B")) pos+="B"; else ans = "B";
     if(!press("X")) pos+="X"; else ans = "X";
     if(!press("Y")) pos+="Y"; else ans = "Y";
     for(int i = 1;i < n;i++)
     { 
         string tmp = ans+pos[0];
         for(int j = 0;j < 3;j++) tmp+=ans+pos[1]+pos[j];
         int ret = press(tmp);
         if(ret==0) ans+=pos[2];
         else if(ret==i+1) ans+=pos[0];
         else ans+=pos[1];
     } 
     return ans;
 }
 

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