제출 #1006785

#제출 시각아이디문제언어결과실행 시간메모리
1006785kebine콤보 (IOI18_combo)C++17
100 / 100
22 ms1760 KiB
#include <bits/stdc++.h> #include "combo.h" using namespace std; string guess_sequence(int N) { string S = ""; char a; string p = "AB"; int coins = press(p); if(coins){ p = "A"; coins = press(p); if(coins) a = 'A'; else a = 'B'; } else{ p = "X"; coins = press(p); if(coins) a = 'X'; else a = 'Y'; } S += a; if(N == 1) return S; vector <char> v; if(a != 'A') v.push_back('A'); if(a != 'B') v.push_back('B'); if(a != 'X') v.push_back('X'); if(a != 'Y') v.push_back('Y'); for(int i = 2; i <= N-1; i++){ p = ""; for(auto x : v) p += S + v[0] + x; p += S + v[1]; coins = press(p); if(coins == i+1) S += v[0]; else if(coins == i) S += v[1]; else S += v[2]; } p = S + v[0] + S + v[1]; coins = press(p); if(coins == N){ p = S + v[0]; coins = press(p); if(coins == N) S += v[0]; else S += v[1]; } else S += v[2]; return S; } // int main(){ // ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); // }
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