# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
282773 | fvdqyxm | Combo (IOI18_combo) | C++14 | 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 <iostream>
#include <string>
using namespace std;
int press(string p){
int ans;
cin >> ans;
return ans;
cout.flush();
}
string guess_sequence(int N) {
string cur = "";
string options = "ABXY";
string ans = "";
for(int i = 1; i <= N; i++) {
for(int j = 0; j < 4; j++){
cur += options[j];
cout << cur << endl;
int ans = press(cur);
if(ans == i) {
ans += options[j];
break;
}
else{
cur.pop_back();
}
}
}
return ans;
}
int main () {
int N;
cin >> N;
cout << guess_sequence(N) << '\n';
}