# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1007050 | makanhulia | Combo (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 <bitsstdc++.h>
using namespace std;
#define pb push_back
#define ll int
string guess_sequence(int n){
char f;
string s = "";
vector<char>vec;
for(int i=1;i<=n;i++){
if(i == 1 || i == n){
ll x = press(s + 'A' + s + 'B');
ll y = press(s + 'X' + s + 'Y');
if(x > y){
ll a = press(s + 'A');
ll b = press(s + 'B');
if(a > b){
s += 'A';
if(i == 1) f = 'A';
}
else{
s += 'B';
if(i == 1) f = 'B';
}
}
else{
ll a = press(s + 'X');
ll b = press(s + 'Y');
if(a > b){
s += 'X';
if(i == 1) f = 'X';
}
else {
s += 'Y';
if(i == 1) f = 'Y';
}
}
}
else{
if(vec.empty()){
if(f != 'A') vec.pb('A');
if(f != 'B') vec.pb('B');
if(f != 'X') vec.pb('X');
if(f != 'Y') vec.pb('Y');
}
string tmp = s + vec[0];
for(auto i : vec) tmp += s + vec[1] + i;
ll a = press(tmp);
if(a == i-1){
s += vec[2];
}
else if(a == i+1){
s += vec[1];
}
else s += vec[0];
}
}
return s;
}
/*
*/