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Submission #371009

# Submission time Handle Problem Language Result Execution time Memory
371009 2021-02-25T14:29:16 Z wind_reaper Pilot (NOI19_pilot) C++17
100 / 100
 707 ms 52364 KB 
#include <bits/stdc++.h>

using namespace std;

struct dsu{
	vector<int64_t> e;
	vector<bool> active;
	int64_t ans;
	dsu(int n){
		e.resize(n, -1);
		ans = 0;
		active.resize(n, 0);
	}

	int64_t get(int64_t x){
		return (e[x] < 0 ? x : e[x] = get(e[x]));
	}

	int64_t f(int x){
		int64_t t = -e[get(x)];
		return (t*(t+1)) / 2;
	}

	bool unite(int x, int y){
		x = get(x), y = get(y);
		if(!active[x]){
			ans += f(x);
			active[x] = 1;
		}
		if(!active[y] || x == y)
			return 0;

		if(e[x] > e[y])
			swap(x, y);
		
		ans -= f(x) + f(y);
		e[x] += e[y];
		e[y] = x;
		ans += f(x);
		return 1;
	}
};

int32_t main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL); 
	
	int n, q;
	cin >> n >> q;

	vector<array<int, 2>> h(n), query(q);
	for(int i = 0; i < n; i++){
		cin >> h[i][0];
		h[i][1] = i;
	}
	for(int i = 0; i < q; i++){
		cin >> query[i][0];
		query[i][1] = i;
	}

	sort(h.begin(), h.end());
	sort(query.begin(), query.end());

	vector<int64_t> ans(q);

	dsu d(n);

	int cur = 0;
	for(int i = 0; i < q; i++){
		while(cur < n && query[i][0] >= h[cur][0]){
			int idx = h[cur][1];
			int nxt = idx + 1;
			int pre = idx - 1;
			if(nxt < n) d.unite(idx, nxt);
			if(pre >= 0) d.unite(idx, pre);
			cur++;
		}
		ans[query[i][1]] = d.ans;
	}

	for(int i = 0; i < q; i++)
		cout << ans[i] << ' ';

	return 0; 
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 2412 KB Output is correct
2 Correct 30 ms 2668 KB Output is correct
3 Correct 25 ms 2412 KB Output is correct
4 Correct 23 ms 2412 KB Output is correct
5 Correct 24 ms 2412 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 5356 KB Output is correct
2 Correct 47 ms 5484 KB Output is correct
3 Correct 48 ms 5484 KB Output is correct
4 Correct 47 ms 5484 KB Output is correct
5 Correct 46 ms 5356 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 5484 KB Output is correct
2 Correct 53 ms 5612 KB Output is correct
3 Correct 48 ms 5612 KB Output is correct
4 Correct 49 ms 5612 KB Output is correct
5 Correct 50 ms 5740 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 25 ms 2412 KB Output is correct
12 Correct 30 ms 2668 KB Output is correct
13 Correct 25 ms 2412 KB Output is correct
14 Correct 23 ms 2412 KB Output is correct
15 Correct 24 ms 2412 KB Output is correct
16 Correct 22 ms 2284 KB Output is correct
17 Correct 22 ms 2540 KB Output is correct
18 Correct 24 ms 2540 KB Output is correct
19 Correct 21 ms 2412 KB Output is correct
20 Correct 23 ms 2540 KB Output is correct
21 Correct 24 ms 2284 KB Output is correct
22 Correct 21 ms 2560 KB Output is correct
23 Correct 22 ms 2540 KB Output is correct
24 Correct 20 ms 2412 KB Output is correct
25 Correct 22 ms 2432 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 25 ms 2412 KB Output is correct
27 Correct 30 ms 2668 KB Output is correct
28 Correct 25 ms 2412 KB Output is correct
29 Correct 23 ms 2412 KB Output is correct
30 Correct 24 ms 2412 KB Output is correct
31 Correct 46 ms 5356 KB Output is correct
32 Correct 47 ms 5484 KB Output is correct
33 Correct 48 ms 5484 KB Output is correct
34 Correct 47 ms 5484 KB Output is correct
35 Correct 46 ms 5356 KB Output is correct
36 Correct 47 ms 5484 KB Output is correct
37 Correct 53 ms 5612 KB Output is correct
38 Correct 48 ms 5612 KB Output is correct
39 Correct 49 ms 5612 KB Output is correct
40 Correct 50 ms 5740 KB Output is correct
41 Correct 22 ms 2284 KB Output is correct
42 Correct 22 ms 2540 KB Output is correct
43 Correct 24 ms 2540 KB Output is correct
44 Correct 21 ms 2412 KB Output is correct
45 Correct 23 ms 2540 KB Output is correct
46 Correct 24 ms 2284 KB Output is correct
47 Correct 21 ms 2560 KB Output is correct
48 Correct 22 ms 2540 KB Output is correct
49 Correct 20 ms 2412 KB Output is correct
50 Correct 22 ms 2432 KB Output is correct
51 Correct 57 ms 5380 KB Output is correct
52 Correct 56 ms 5228 KB Output is correct
53 Correct 57 ms 5484 KB Output is correct
54 Correct 55 ms 5228 KB Output is correct
55 Correct 57 ms 5356 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 25 ms 2412 KB Output is correct
27 Correct 30 ms 2668 KB Output is correct
28 Correct 25 ms 2412 KB Output is correct
29 Correct 23 ms 2412 KB Output is correct
30 Correct 24 ms 2412 KB Output is correct
31 Correct 46 ms 5356 KB Output is correct
32 Correct 47 ms 5484 KB Output is correct
33 Correct 48 ms 5484 KB Output is correct
34 Correct 47 ms 5484 KB Output is correct
35 Correct 46 ms 5356 KB Output is correct
36 Correct 47 ms 5484 KB Output is correct
37 Correct 53 ms 5612 KB Output is correct
38 Correct 48 ms 5612 KB Output is correct
39 Correct 49 ms 5612 KB Output is correct
40 Correct 50 ms 5740 KB Output is correct
41 Correct 22 ms 2284 KB Output is correct
42 Correct 22 ms 2540 KB Output is correct
43 Correct 24 ms 2540 KB Output is correct
44 Correct 21 ms 2412 KB Output is correct
45 Correct 23 ms 2540 KB Output is correct
46 Correct 24 ms 2284 KB Output is correct
47 Correct 21 ms 2560 KB Output is correct
48 Correct 22 ms 2540 KB Output is correct
49 Correct 20 ms 2412 KB Output is correct
50 Correct 22 ms 2432 KB Output is correct
51 Correct 57 ms 5380 KB Output is correct
52 Correct 56 ms 5228 KB Output is correct
53 Correct 57 ms 5484 KB Output is correct
54 Correct 55 ms 5228 KB Output is correct
55 Correct 57 ms 5356 KB Output is correct
56 Correct 693 ms 51460 KB Output is correct
57 Correct 688 ms 50540 KB Output is correct
58 Correct 655 ms 48108 KB Output is correct
59 Correct 666 ms 49132 KB Output is correct
60 Correct 707 ms 52364 KB Output is correct