| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 529366 | __Variatto | 콤보 (IOI18_combo) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define ll long long
/*int press(string p){
cout<<p<<"\n";
int x;
cin>>x;
return x;
}
//1-A, 2-B, 3-X, 4-Y
*/string guess_sequence(int n){
string s;
if(press("AB")){
if(press("A")) s="A";
else s="B";
}
else{
if(press("X")) s="X";
else s="Y";
}
for(int i=1; i<=n-1; i++){
if(s[0]=='A'){
string pyt=s+"B"+s+"XB"+s+"XX"+s+"XY";
if(i==n-1)
pyt=s+"XB"+s+"XX"+s+"XY";
int a=press(pyt);
if(a==s.size()+2)
s+='X';
else if(a==s.size()+1 || (i==n-1 && a==s.size() && press(s+"B")==s.size()+1))
s+='B';
else
s+='Y';
}
if(s[0]=='B'){
//cout<<"XD";
string pyt=s+"A"+s+"XA"+s+"XX"+s+"XY";
if(i==n-1)
pyt=s+"XA"+s+"XX"+s+"XY";
int a=press(pyt);
if(a==s.size()+2)
s+='X';
else if(a==s.size()+1 || (i==n-1 && a==s.size() && press(s+"B")==s.size()+1))
s+='A';
else
s+='Y';
}
if(s[0]=='X'){
string pyt=s+"A"+s+"BA"+s+"BB"+s+"BY";
if(i==n-1)
pyt=s+"BA"+s+"BB"+s+"BY";
int a=press(pyt);
if(a==s.size()+2)
s+='B';
else if(a==s.size()+1 || (i==n-1 && a==s.size() && press(s+"B")==s.size()+1))
s+='A';
else
s+='Y';
}
if(s[0]=='Y'){
string pyt=s+"A"+s+"XA"+s+"XB"+s+"XX";
if(i==n-1)
pyt=s+"XA"+s+"XB"+s+"XX";
int a=press(pyt);
if(a==s.size()+2)
s+='X';
else if(a==s.size()+1 || (i==n-1 && a==s.size() && press(s+"B")==s.size()+1))
s+='A';
else
s+='B';
}
}
return s;
}
/*int main(){
ios_base::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
int x;
cin>>x;
cout<<guess_sequence(x)<<"\n";;
}
*/