# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
75261 | 2018-09-09T03:54:13 Z | Sherazin | Combo (IOI18_combo) | C++14 | 0 ms | 0 KB |
#include <bits/stdc++.h> using namespace std; char c[4] = { 'A', 'B', 'X', 'Y' }; string guess_sequence(int N) { string ans; for(int i = 0; i < 4; i++) if(press(string(1, c[i]))) ans = string(1, c[i]); for(int i = 1; i < N; i++) for(int j = 0; j < 4; j++) if(c[j] != ans[0] && press(ans+c[j]) == i+1) ans += c[j]; return ans; }