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Submission #478039

# Submission time Handle Problem Language Result Execution time Memory
478039 2021-10-05T09:21:32 Z aryan12 Pilot (NOI19_pilot) C++17
100 / 100
 875 ms 85476 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

const int N = 1e6 + 5;
int par[N], siz[N];

bool cmp(array<int, 3> a, array<int, 3> b) {
	if(a[0] == b[0]) {
		return a[1] < b[1];
	}
	return a[0] < b[0];
}

int Find(int x) {
	if(x == par[x]) {
		return x;
	}
	return par[x] = Find(par[x]);
}

void Unite(int a, int b) {
	a = Find(a), b = Find(b);
	par[a] = b;
	siz[b] += siz[a];
}

void Solve() {
	for(int i = 0; i < N; i++) {
		par[i] = i;
		siz[i] = 1;
	}
	int n, q;
	cin >> n >> q;
	vector<int> input(n + 1);
	vector<array<int, 3> > values;
	for(int i = 1; i <= n; i++) {
		cin >> input[i];
		values.push_back({input[i], 0, i});
	}
	vector<int> query_ans(q + 1);
	for(int i = 1; i <= q; i++) {
		int cur_val;
		cin >> cur_val;
		values.push_back({cur_val, 1, i});
	}
	sort(values.begin(), values.end(), cmp);
	int cur_ans = 0;
	for(int i = 0; i < values.size(); i++) {
		int val = values[i][0], in_or_query = values[i][1], idx = values[i][2];
		if(in_or_query == 0) {
			int before = Find(idx);
			before = siz[before];
			int before1 = Find(idx + 1);
			before1 = siz[before1];
			cur_ans -= (before * (before + 1)) / 2;
			cur_ans -= (before1 * (before1 + 1)) / 2;
			Unite(idx, idx + 1);
			int after = Find(idx);
			after = siz[after];
			cur_ans += (after * (after + 1)) / 2;
		}
		else {
			query_ans[idx] = cur_ans;
		}
	}
	for(int i = 1; i <= q; i++) {
		cout << query_ans[i] << "\n";
	}
}

int32_t main() {
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) {
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Compilation message

pilot.cpp: In function 'void Solve()':
pilot.cpp:51:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |  for(int i = 0; i < values.size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~
pilot.cpp:52:7: warning: unused variable 'val' [-Wunused-variable]
   52 |   int val = values[i][0], in_or_query = values[i][1], idx = values[i][2];
      |       ^~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 7 ms 15912 KB Output is correct
12 Correct 8 ms 15948 KB Output is correct
13 Correct 7 ms 15948 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 7 ms 15948 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 7 ms 15912 KB Output is correct
12 Correct 8 ms 15948 KB Output is correct
13 Correct 7 ms 15948 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 7 ms 15948 KB Output is correct
16 Correct 8 ms 15948 KB Output is correct
17 Correct 8 ms 15948 KB Output is correct
18 Correct 8 ms 15944 KB Output is correct
19 Correct 8 ms 15948 KB Output is correct
20 Correct 7 ms 15948 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 7 ms 15912 KB Output is correct
12 Correct 8 ms 15948 KB Output is correct
13 Correct 7 ms 15948 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 7 ms 15948 KB Output is correct
16 Correct 8 ms 15948 KB Output is correct
17 Correct 8 ms 15948 KB Output is correct
18 Correct 8 ms 15944 KB Output is correct
19 Correct 8 ms 15948 KB Output is correct
20 Correct 7 ms 15948 KB Output is correct
21 Correct 9 ms 16076 KB Output is correct
22 Correct 11 ms 16076 KB Output is correct
23 Correct 9 ms 16076 KB Output is correct
24 Correct 9 ms 16000 KB Output is correct
25 Correct 8 ms 16076 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 19932 KB Output is correct
2 Correct 41 ms 19952 KB Output is correct
3 Correct 37 ms 19844 KB Output is correct
4 Correct 37 ms 19808 KB Output is correct
5 Correct 39 ms 19904 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 23476 KB Output is correct
2 Correct 75 ms 23596 KB Output is correct
3 Correct 67 ms 23592 KB Output is correct
4 Correct 68 ms 23604 KB Output is correct
5 Correct 73 ms 23560 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 23580 KB Output is correct
2 Correct 72 ms 23604 KB Output is correct
3 Correct 73 ms 23540 KB Output is correct
4 Correct 67 ms 23604 KB Output is correct
5 Correct 75 ms 23572 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 38 ms 19932 KB Output is correct
12 Correct 41 ms 19952 KB Output is correct
13 Correct 37 ms 19844 KB Output is correct
14 Correct 37 ms 19808 KB Output is correct
15 Correct 39 ms 19904 KB Output is correct
16 Correct 35 ms 19836 KB Output is correct
17 Correct 44 ms 20056 KB Output is correct
18 Correct 41 ms 19904 KB Output is correct
19 Correct 39 ms 19816 KB Output is correct
20 Correct 40 ms 19856 KB Output is correct
21 Correct 37 ms 19904 KB Output is correct
22 Correct 36 ms 19904 KB Output is correct
23 Correct 37 ms 19904 KB Output is correct
24 Correct 39 ms 19904 KB Output is correct
25 Correct 39 ms 19932 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 7 ms 15912 KB Output is correct
12 Correct 8 ms 15948 KB Output is correct
13 Correct 7 ms 15948 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 7 ms 15948 KB Output is correct
16 Correct 8 ms 15948 KB Output is correct
17 Correct 8 ms 15948 KB Output is correct
18 Correct 8 ms 15944 KB Output is correct
19 Correct 8 ms 15948 KB Output is correct
20 Correct 7 ms 15948 KB Output is correct
21 Correct 9 ms 16076 KB Output is correct
22 Correct 11 ms 16076 KB Output is correct
23 Correct 9 ms 16076 KB Output is correct
24 Correct 9 ms 16000 KB Output is correct
25 Correct 8 ms 16076 KB Output is correct
26 Correct 38 ms 19932 KB Output is correct
27 Correct 41 ms 19952 KB Output is correct
28 Correct 37 ms 19844 KB Output is correct
29 Correct 37 ms 19808 KB Output is correct
30 Correct 39 ms 19904 KB Output is correct
31 Correct 76 ms 23476 KB Output is correct
32 Correct 75 ms 23596 KB Output is correct
33 Correct 67 ms 23592 KB Output is correct
34 Correct 68 ms 23604 KB Output is correct
35 Correct 73 ms 23560 KB Output is correct
36 Correct 73 ms 23580 KB Output is correct
37 Correct 72 ms 23604 KB Output is correct
38 Correct 73 ms 23540 KB Output is correct
39 Correct 67 ms 23604 KB Output is correct
40 Correct 75 ms 23572 KB Output is correct
41 Correct 35 ms 19836 KB Output is correct
42 Correct 44 ms 20056 KB Output is correct
43 Correct 41 ms 19904 KB Output is correct
44 Correct 39 ms 19816 KB Output is correct
45 Correct 40 ms 19856 KB Output is correct
46 Correct 37 ms 19904 KB Output is correct
47 Correct 36 ms 19904 KB Output is correct
48 Correct 37 ms 19904 KB Output is correct
49 Correct 39 ms 19904 KB Output is correct
50 Correct 39 ms 19932 KB Output is correct
51 Correct 80 ms 23648 KB Output is correct
52 Correct 91 ms 23560 KB Output is correct
53 Correct 81 ms 23604 KB Output is correct
54 Correct 78 ms 23612 KB Output is correct
55 Correct 76 ms 23612 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 15948 KB Output is correct
2 Correct 8 ms 15884 KB Output is correct
3 Correct 7 ms 15904 KB Output is correct
4 Correct 8 ms 15952 KB Output is correct
5 Correct 7 ms 15880 KB Output is correct
6 Correct 7 ms 15948 KB Output is correct
7 Correct 9 ms 15948 KB Output is correct
8 Correct 8 ms 15928 KB Output is correct
9 Correct 8 ms 15948 KB Output is correct
10 Correct 8 ms 15912 KB Output is correct
11 Correct 7 ms 15912 KB Output is correct
12 Correct 8 ms 15948 KB Output is correct
13 Correct 7 ms 15948 KB Output is correct
14 Correct 10 ms 15948 KB Output is correct
15 Correct 7 ms 15948 KB Output is correct
16 Correct 8 ms 15948 KB Output is correct
17 Correct 8 ms 15948 KB Output is correct
18 Correct 8 ms 15944 KB Output is correct
19 Correct 8 ms 15948 KB Output is correct
20 Correct 7 ms 15948 KB Output is correct
21 Correct 9 ms 16076 KB Output is correct
22 Correct 11 ms 16076 KB Output is correct
23 Correct 9 ms 16076 KB Output is correct
24 Correct 9 ms 16000 KB Output is correct
25 Correct 8 ms 16076 KB Output is correct
26 Correct 38 ms 19932 KB Output is correct
27 Correct 41 ms 19952 KB Output is correct
28 Correct 37 ms 19844 KB Output is correct
29 Correct 37 ms 19808 KB Output is correct
30 Correct 39 ms 19904 KB Output is correct
31 Correct 76 ms 23476 KB Output is correct
32 Correct 75 ms 23596 KB Output is correct
33 Correct 67 ms 23592 KB Output is correct
34 Correct 68 ms 23604 KB Output is correct
35 Correct 73 ms 23560 KB Output is correct
36 Correct 73 ms 23580 KB Output is correct
37 Correct 72 ms 23604 KB Output is correct
38 Correct 73 ms 23540 KB Output is correct
39 Correct 67 ms 23604 KB Output is correct
40 Correct 75 ms 23572 KB Output is correct
41 Correct 35 ms 19836 KB Output is correct
42 Correct 44 ms 20056 KB Output is correct
43 Correct 41 ms 19904 KB Output is correct
44 Correct 39 ms 19816 KB Output is correct
45 Correct 40 ms 19856 KB Output is correct
46 Correct 37 ms 19904 KB Output is correct
47 Correct 36 ms 19904 KB Output is correct
48 Correct 37 ms 19904 KB Output is correct
49 Correct 39 ms 19904 KB Output is correct
50 Correct 39 ms 19932 KB Output is correct
51 Correct 80 ms 23648 KB Output is correct
52 Correct 91 ms 23560 KB Output is correct
53 Correct 81 ms 23604 KB Output is correct
54 Correct 78 ms 23612 KB Output is correct
55 Correct 76 ms 23612 KB Output is correct
56 Correct 875 ms 83916 KB Output is correct
57 Correct 827 ms 83208 KB Output is correct
58 Correct 807 ms 79624 KB Output is correct
59 Correct 803 ms 81140 KB Output is correct
60 Correct 869 ms 85476 KB Output is correct