# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
849463 | Bach21 | 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 <bits/stdc++.h>
#include "combo.h"
using namespace std;
#define REP(i, n) for (int i = 0; i < (n); i++)
const int M = 4;
const char LET[] = "ABXY";
string guess_sequence(int N) {
int len[M];
string s;
REP(i, N) {
REP(j, M) {
len[j] = press(s + LET[j]);
}
REP(j, M) {
if (len[j] == i+1) {
s += LET[j];
break;
}
}
}
return s;
}
signed main()
{
int n;
cin >> n;
cout << guess_sequence(n);
}