Submission #538918

# Submission time Handle Problem Language Result Execution time Memory
538918 2022-03-18T04:11:18 Z _karan_gandhi Pilot (NOI19_pilot) C++17
89 / 100
1000 ms 111544 KB
#include <bits/stdc++.h>
using namespace std;

#define all(v) v.begin(), v.end()
#define endl '\n'
#define pl(var) " [" << #var << ": " << (var) << "] "
#define ll long long

ll int cnt = 0;

struct DSU {
	vector<ll int> p, s;

	void init(ll int n) {
		p = vector<ll int>(n);
		s = vector<ll int>(n, 1);
		iota(all(p), 0);
	}

	ll int get(ll int x) {
		return p[x] = (p[x] == x ? x : get(p[x]));
	}

	void unite(ll int a, ll int b) {
		if (a == b) {
			cnt++;
			return;
		}
		a = get(a);
		b = get(b);


		if (a == b) {
			return;
		}

		if (s[a] > s[b]) swap(a, b);
		p[a] = b;
		cnt += s[b] * s[a];
		s[b] += s[a];
	}
};

void solve() {
	ll int n; cin >> n;
	ll int q; cin >> q;

	vector<ll int> arr(n); for (ll int i = 0; i < n; i++) cin >> arr[i];
	vector<pair<ll int, pair<ll int, ll int>>> edges;

	for (ll int i = 1; i < n; i++) {
		edges.emplace_back(max(arr[i], arr[i - 1]), make_pair(i, i - 1));
	}

	for (ll int i = 0; i < n; i++) {
		edges.emplace_back(arr[i], make_pair(i, i));
	}


	sort(all(edges));

	vector<pair<ll int, ll int>> qq;
	for (ll int i = 0; i < q; i++) {
		ll int a; cin >> a;
		qq.emplace_back(a, i);
	}
	// cout << "Hello" << endl;

	sort(all(qq));

	vector<ll int> ans(q);
	ll int ptr = 0;

	DSU dsu;
	dsu.init(n);

	for (ll int i = 0; i < q; i++) {
		ll int hi = qq[i].first;
		// cout << pl(hi) << endl;
		
		while (ptr < int(edges.size()) && edges[ptr].first <= hi) {
			dsu.unite(edges[ptr].second.first, edges[ptr].second.second);
			// cout << pl(edges[ptr].first) << pl(edges[ptr].second.first) << pl(edges[ptr].second.second) << pl(cnt) << endl;
			ptr++;
		}

		ans[qq[i].second] = cnt;
	}

	for (ll int a : ans) {
		cout << a << endl;
	}
}

int main() {
	// ios::sync_with_stdio(false);
	// cin.tie(nullptr);

	ll int T = 1;
	// cin >> T;
	while (T--)
		solve();
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 58 ms 7316 KB Output is correct
2 Correct 54 ms 7948 KB Output is correct
3 Correct 53 ms 7868 KB Output is correct
4 Correct 50 ms 7884 KB Output is correct
5 Correct 52 ms 7740 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 92 ms 10544 KB Output is correct
2 Correct 95 ms 11720 KB Output is correct
3 Correct 107 ms 11592 KB Output is correct
4 Correct 97 ms 11952 KB Output is correct
5 Correct 93 ms 11540 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 97 ms 10668 KB Output is correct
2 Correct 108 ms 11844 KB Output is correct
3 Correct 98 ms 11764 KB Output is correct
4 Correct 102 ms 12156 KB Output is correct
5 Correct 99 ms 12076 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 58 ms 7316 KB Output is correct
12 Correct 54 ms 7948 KB Output is correct
13 Correct 53 ms 7868 KB Output is correct
14 Correct 50 ms 7884 KB Output is correct
15 Correct 52 ms 7740 KB Output is correct
16 Correct 51 ms 7748 KB Output is correct
17 Correct 52 ms 7956 KB Output is correct
18 Correct 54 ms 7952 KB Output is correct
19 Correct 47 ms 7740 KB Output is correct
20 Correct 50 ms 7936 KB Output is correct
21 Correct 50 ms 7844 KB Output is correct
22 Correct 50 ms 7896 KB Output is correct
23 Correct 52 ms 7868 KB Output is correct
24 Correct 48 ms 7840 KB Output is correct
25 Correct 50 ms 7800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 58 ms 7316 KB Output is correct
27 Correct 54 ms 7948 KB Output is correct
28 Correct 53 ms 7868 KB Output is correct
29 Correct 50 ms 7884 KB Output is correct
30 Correct 52 ms 7740 KB Output is correct
31 Correct 92 ms 10544 KB Output is correct
32 Correct 95 ms 11720 KB Output is correct
33 Correct 107 ms 11592 KB Output is correct
34 Correct 97 ms 11952 KB Output is correct
35 Correct 93 ms 11540 KB Output is correct
36 Correct 97 ms 10668 KB Output is correct
37 Correct 108 ms 11844 KB Output is correct
38 Correct 98 ms 11764 KB Output is correct
39 Correct 102 ms 12156 KB Output is correct
40 Correct 99 ms 12076 KB Output is correct
41 Correct 51 ms 7748 KB Output is correct
42 Correct 52 ms 7956 KB Output is correct
43 Correct 54 ms 7952 KB Output is correct
44 Correct 47 ms 7740 KB Output is correct
45 Correct 50 ms 7936 KB Output is correct
46 Correct 50 ms 7844 KB Output is correct
47 Correct 50 ms 7896 KB Output is correct
48 Correct 52 ms 7868 KB Output is correct
49 Correct 48 ms 7840 KB Output is correct
50 Correct 50 ms 7800 KB Output is correct
51 Correct 97 ms 11908 KB Output is correct
52 Correct 100 ms 11696 KB Output is correct
53 Correct 97 ms 11912 KB Output is correct
54 Correct 96 ms 11652 KB Output is correct
55 Correct 98 ms 11812 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 58 ms 7316 KB Output is correct
27 Correct 54 ms 7948 KB Output is correct
28 Correct 53 ms 7868 KB Output is correct
29 Correct 50 ms 7884 KB Output is correct
30 Correct 52 ms 7740 KB Output is correct
31 Correct 92 ms 10544 KB Output is correct
32 Correct 95 ms 11720 KB Output is correct
33 Correct 107 ms 11592 KB Output is correct
34 Correct 97 ms 11952 KB Output is correct
35 Correct 93 ms 11540 KB Output is correct
36 Correct 97 ms 10668 KB Output is correct
37 Correct 108 ms 11844 KB Output is correct
38 Correct 98 ms 11764 KB Output is correct
39 Correct 102 ms 12156 KB Output is correct
40 Correct 99 ms 12076 KB Output is correct
41 Correct 51 ms 7748 KB Output is correct
42 Correct 52 ms 7956 KB Output is correct
43 Correct 54 ms 7952 KB Output is correct
44 Correct 47 ms 7740 KB Output is correct
45 Correct 50 ms 7936 KB Output is correct
46 Correct 50 ms 7844 KB Output is correct
47 Correct 50 ms 7896 KB Output is correct
48 Correct 52 ms 7868 KB Output is correct
49 Correct 48 ms 7840 KB Output is correct
50 Correct 50 ms 7800 KB Output is correct
51 Correct 97 ms 11908 KB Output is correct
52 Correct 100 ms 11696 KB Output is correct
53 Correct 97 ms 11912 KB Output is correct
54 Correct 96 ms 11652 KB Output is correct
55 Correct 98 ms 11812 KB Output is correct
56 Execution timed out 1074 ms 111544 KB Time limit exceeded
57 Halted 0 ms 0 KB -