oj.uz

답안 #711558

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
711558 2023-03-17T08:41:28 Z badont Klasika (COCI20_klasika) C++17
33 / 110
 1991 ms 524288 KB 
#include<bits/stdc++.h>
using namespace std;
 
void dbg_out() { cout << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); }
 
#ifdef LOCAL
#define debug(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define debug(...) "zzz"
#endif
 
using ll = long long;
using ld = long double;
using pii = pair<ll,ll>;
 
#define FOR(i, n) for(int i = 1; i<=n; i++)
#define F0R(i, n) for(int i = 0; i<n; i++)
#define all(x) x.begin(), x.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
 
template<typename T, typename = void> struct is_iterable : false_type {};
template<typename T> struct is_iterable<T, void_t<decltype(begin(declval<T>())),decltype(end(declval<T>()))>> : true_type {};
template<typename T> typename enable_if<is_iterable<T>::value&&!is_same<T, string>::value,ostream&>::type operator<<(ostream &cout, T const &v);
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename T> typename enable_if<is_iterable<T>::value&&!is_same<T, string>::value,ostream&>::type operator<<(ostream &cout, T const &v) {
	cout << "["; 
	for (auto it = v.begin(); it != v.end();) {
		cout << *it;
		if (++it != v.end()) cout << ", ";
	}
	return cout << "]";
}
 
//var 
ll T;
 struct Node {
	array<set<int>, 2> agg;
	array<Node*, 2> c;

	Node() : agg({set<int>{}, set<int>{}}), c({nullptr, nullptr}) {}
};
void solve() {
	ll q; cin >> q;
 
	ll n = 1;
	vector<array<ll, 3>> queries(q);
	for (auto& [T, x, y] : queries) {
		string s; cin >> s;
		if (s == "Add") T = 0;
		else T = 1;
		cin >> x >> y;
		x--;
		if (T == 0) n++;
		if (T == 1) y--;
	}
 
	ll added_in = 1;
	vector e(n, vector<ll>());
	vector<ll> dp(n);
	vector<ll> tin(n), tout(n);
	dp[0] = 0;
	for (const auto& [T, x, y] : queries) {
		if (T == 0) {
			ll to = added_in++;
			e[x].pb(to);
			dp[to] = dp[x] ^ y;
		}
	}
 
	ll cc = 0;
	auto dfs_euler = [&](auto dfs_euler, ll g) -> void {
		tin[g] = cc++;
		for (auto u : e[g]) 
			dfs_euler(dfs_euler, u);
		tout[g] = cc++;
	};
 
	dfs_euler(dfs_euler, 0);
 
	
 
	Node* root = new Node;
	Node* cur = root;
	for (int i = 30; i >= 0; i--) {
		if (cur->c[0] == nullptr) {
			cur->c[0] = new Node;
		}
		cur->agg[0].insert(0);
		cur = cur->c[0];
	}
 
	ll added_recent = 0;
	for (const auto& [T, x, y] : queries) {
		if (T == 0) {
			added_recent++;
			ll z = dp[added_recent];
			Node* cur = root;
			int in_set = tin[added_recent];
			for (int i = 30; i >= 0; i--) {
				int b = (z >> i) & 1;
				if (cur->c[b] == nullptr) {
					cur->c[b] = new Node;
				}
				cur->agg[b].insert(in_set);
				cur = cur->c[b];
			}
		} else {
			Node* cur = root;
			ll geq = tin[y], les = tout[y];
			ll z = dp[x];
			ll ans = 0;
			for (int i = 30; i >= 0; i--) {
				int b = (z >> i) & 1;
				int w = b ^ 1;
				auto iter = cur->agg[w].lower_bound(geq);
				if (iter != cur->agg[w].end() and *iter < les) {
					ans ^= (1LL << i);
					cur = cur->c[w];
				} else {
					cur = cur->c[w ^ 1];
				}
			} 
 
			cout << ans << "\n";
		}
	}
}
 
int main() {
	ios_base::sync_with_stdio(0); 
	cin.tie(0);
 
	T = 1;
	//cin >> T;
	FOR(t, T)
		solve();
 
	cout.flush();
	return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 980 KB Output is correct

Subtask #2
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 3 ms 2168 KB Output is correct
14 Correct 4 ms 3796 KB Output is correct
15 Correct 7 ms 5432 KB Output is correct
16 Correct 7 ms 6888 KB Output is correct
17 Correct 3 ms 2004 KB Output is correct
18 Correct 5 ms 3740 KB Output is correct
19 Correct 6 ms 5348 KB Output is correct
20 Correct 7 ms 6868 KB Output is correct
21 Correct 3 ms 2132 KB Output is correct
22 Correct 5 ms 3668 KB Output is correct
23 Correct 7 ms 5288 KB Output is correct
24 Correct 10 ms 6868 KB Output is correct

Subtask #3
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 649 ms 148220 KB Output is correct
2 Correct 1116 ms 280900 KB Output is correct
3 Correct 1613 ms 407324 KB Output is correct
4 Runtime error 1991 ms 524288 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 980 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 724 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 3 ms 2168 KB Output is correct
14 Correct 4 ms 3796 KB Output is correct
15 Correct 7 ms 5432 KB Output is correct
16 Correct 7 ms 6888 KB Output is correct
17 Correct 3 ms 2004 KB Output is correct
18 Correct 5 ms 3740 KB Output is correct
19 Correct 6 ms 5348 KB Output is correct
20 Correct 7 ms 6868 KB Output is correct
21 Correct 3 ms 2132 KB Output is correct
22 Correct 5 ms 3668 KB Output is correct
23 Correct 7 ms 5288 KB Output is correct
24 Correct 10 ms 6868 KB Output is correct
25 Correct 649 ms 148220 KB Output is correct
26 Correct 1116 ms 280900 KB Output is correct
27 Correct 1613 ms 407324 KB Output is correct
28 Runtime error 1991 ms 524288 KB Execution killed with signal 9
29 Halted 0 ms 0 KB -