# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
349473 | 2021-01-17T16:09:56 Z | ezdp | Combo (IOI18_combo) | C++14 | 21 ms | 256 KB |
#pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<bits/stdc++.h> #include<combo.h> #include<ext/pb_ds/assoc_container.hpp> #define endl '\n' #define pb push_back #define fr first #define sc second #define ll long long int #define ld long double #define bit(idx) idx&(-idx) #define bin(x) bitset<32>(x) #define all(A) A.begin(), A.end() #define de(x) cout << #x << " = " << x << endl; #define row vector<ll> #define row_matrix vector<ll> #define matrix vector<row_matrix> #define ordered_set_T ll using namespace std; using namespace __gnu_pbds; typedef tree<ordered_set_T, null_type, less<ordered_set_T>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; /// find_by_order(x) -> x-th element in the set /// order_of_key(x) -> how many elements are smaller than x /// insert(x) -> inserts x into the set string guess_sequence(int N){ string ans, qry; ll tmp = press("AB"); if(tmp){ tmp = press("A"); if(tmp) ans += 'A'; else ans += 'B'; } else{ tmp = press("X"); if(tmp) ans += 'X'; else ans += 'Y'; } if(N == 1) return ans; vector<char> v; if(ans != "A") v.pb('A'); if(ans != "B") v.pb('B'); if(ans != "X") v.pb('X'); if(ans != "Y") v.pb('Y'); for(int i = 2; i <= N - 1; i ++){ qry.clear(); qry += ans; qry += v[0]; qry += ans; qry += v[1]; qry += v[0]; qry += ans; qry += v[1]; qry += v[1]; qry += v[1]; qry += v[2]; tmp = press(qry); if(tmp == ans.size() + 0) ans += v[2]; if(tmp == ans.size() + 1) ans += v[0]; if(tmp == ans.size() + 2) ans += v[1]; } qry.clear(); qry += ans; qry += v[0]; qry += ans; qry += v[1]; tmp = press(qry); if(tmp == ans.size() + 1){ qry.clear(); qry += ans; qry += v[0]; tmp = press(qry); if(tmp == ans.size() + 1) ans += v[0]; else ans += v[1]; } else ans += v[2]; return ans; } /** */
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 200 KB | Output is correct |
2 | Correct | 1 ms | 200 KB | Output is correct |
3 | Correct | 1 ms | 200 KB | Output is correct |
4 | Correct | 1 ms | 256 KB | Output is correct |
5 | Correct | 1 ms | 200 KB | Output is correct |
6 | Incorrect | 1 ms | 200 KB | Wrong Answer: wrong guess. |
7 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 1 ms | 200 KB | Output is correct |
2 | Correct | 1 ms | 200 KB | Output is correct |
3 | Correct | 1 ms | 200 KB | Output is correct |
4 | Correct | 1 ms | 200 KB | Output is correct |
5 | Correct | 1 ms | 200 KB | Output is correct |
6 | Correct | 1 ms | 256 KB | Output is correct |
7 | Correct | 1 ms | 200 KB | Output is correct |
8 | Correct | 1 ms | 200 KB | Output is correct |
9 | Correct | 1 ms | 200 KB | Output is correct |
10 | Correct | 1 ms | 200 KB | Output is correct |
11 | Correct | 0 ms | 200 KB | Output is correct |
12 | Correct | 0 ms | 200 KB | Output is correct |
13 | Correct | 0 ms | 200 KB | Output is correct |
14 | Correct | 1 ms | 200 KB | Output is correct |
15 | Correct | 1 ms | 200 KB | Output is correct |
16 | Correct | 1 ms | 200 KB | Output is correct |
17 | Incorrect | 21 ms | 200 KB | Wrong Answer: wrong guess. |
18 | Halted | 0 ms | 0 KB | - |