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Submission #952671

# Submission time Handle Problem Language Result Execution time Memory
952671 2024-03-24T13:12:21 Z NK_ Superpozicija (COCI22_superpozicija) C++17
110 / 110
 62 ms 6620 KB 
// Success consists of going from failure to failure without loss of enthusiasm
#include <bits/stdc++.h>

using namespace std;

#define nl '\n'
#define pb push_back
#define sz(x) int(x.size())

template<class T> using V = vector<T>;
using vi = V<int>;

void solve() {
	int N; cin >> N;
	string S; cin >> S;

	vi L(N), R(N), ans(N); 
	V<array<int, 2>> A; set<array<int, 2>> F; vi rem; set<int> pos; 
	for(int i = 0; i < N; i++) {
		cin >> L[i] >> R[i]; --L[i], --R[i];

		if (S[L[i]] == '(' && S[R[i]] == '(') {
			rem.pb(L[i]); ans[i] = 0;
		}

		if (S[L[i]] == ')' && S[R[i]] == ')') {
			pos.insert(R[i]); ans[i] = 1;
		}

		if (S[L[i]] == '(' && S[R[i]] == ')') {
			pos.insert(R[i]);
			A.pb({L[i], i});
			ans[i] = 1;
		}

		if (S[L[i]] == ')' && S[R[i]] == '(') {
			pos.insert(L[i]);
			A.pb({L[i], i});
			ans[i] = 0;
		}
	}

	auto pair = [&](int x) {
		auto it = pos.lower_bound(x);
		if (it == end(pos)) return 0;
		pos.erase(it); return 1;
	};

	for(auto& x : rem) {
		if (!pair(x)) {
			cout << -1 << nl;
			return;
		}
	}

	sort(begin(A), end(A));

	int p = -1;
	while(sz(pos)) {
		int lim = *begin(pos);

		while(p + 1 < sz(A) && A[p + 1][0] <= lim) {
			++p; int x = A[p][1];
			F.insert({R[x], x});
		}

		bool ok = 1;
		if (!sz(F)) ok = 0;
		else {
			int x = (*begin(F))[1]; F.erase(begin(F));
			ans[x] ^= 1;
			if (!pair(L[x])) ok = 0;
			if (!pair(R[x])) ok = 0;
		}	

		if (!ok) {
			cout << -1 << nl;
			return;
		}
	}

	// cout << 1 << nl;
	for(auto& x : ans) cout << x << " ";
	cout << nl;
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	
	int T; cin >> T; while(T--) {
		solve();
	}

	exit(0-0);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1112 KB Output is correct
2 Correct 24 ms 1204 KB Output is correct
3 Correct 28 ms 1316 KB Output is correct
4 Correct 28 ms 1116 KB Output is correct
5 Correct 32 ms 1112 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 1368 KB Output is correct
2 Correct 21 ms 1884 KB Output is correct
3 Correct 20 ms 2136 KB Output is correct
4 Correct 23 ms 2828 KB Output is correct
5 Correct 21 ms 2932 KB Output is correct
6 Correct 13 ms 2904 KB Output is correct
7 Correct 17 ms 3468 KB Output is correct
8 Correct 19 ms 4196 KB Output is correct
9 Correct 23 ms 4716 KB Output is correct
10 Correct 25 ms 5212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 22 ms 1364 KB Output is correct
3 Correct 25 ms 2072 KB Output is correct
4 Correct 24 ms 2652 KB Output is correct
5 Correct 31 ms 3164 KB Output is correct
6 Correct 33 ms 3916 KB Output is correct
7 Correct 15 ms 3676 KB Output is correct
8 Correct 24 ms 4456 KB Output is correct
9 Correct 19 ms 5244 KB Output is correct
10 Correct 38 ms 5924 KB Output is correct
11 Correct 36 ms 6620 KB Output is correct

Subtask #4
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1112 KB Output is correct
2 Correct 24 ms 1204 KB Output is correct
3 Correct 28 ms 1316 KB Output is correct
4 Correct 28 ms 1116 KB Output is correct
5 Correct 32 ms 1112 KB Output is correct
6 Correct 17 ms 1368 KB Output is correct
7 Correct 21 ms 1884 KB Output is correct
8 Correct 20 ms 2136 KB Output is correct
9 Correct 23 ms 2828 KB Output is correct
10 Correct 21 ms 2932 KB Output is correct
11 Correct 13 ms 2904 KB Output is correct
12 Correct 17 ms 3468 KB Output is correct
13 Correct 19 ms 4196 KB Output is correct
14 Correct 23 ms 4716 KB Output is correct
15 Correct 25 ms 5212 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 22 ms 1364 KB Output is correct
18 Correct 25 ms 2072 KB Output is correct
19 Correct 24 ms 2652 KB Output is correct
20 Correct 31 ms 3164 KB Output is correct
21 Correct 33 ms 3916 KB Output is correct
22 Correct 15 ms 3676 KB Output is correct
23 Correct 24 ms 4456 KB Output is correct
24 Correct 19 ms 5244 KB Output is correct
25 Correct 38 ms 5924 KB Output is correct
26 Correct 36 ms 6620 KB Output is correct
27 Correct 32 ms 1368 KB Output is correct
28 Correct 40 ms 2228 KB Output is correct
29 Correct 46 ms 2640 KB Output is correct
30 Correct 46 ms 3296 KB Output is correct
31 Correct 42 ms 3800 KB Output is correct
32 Correct 27 ms 3800 KB Output is correct
33 Correct 35 ms 4552 KB Output is correct
34 Correct 44 ms 5220 KB Output is correct
35 Correct 47 ms 5976 KB Output is correct
36 Correct 62 ms 6592 KB Output is correct