oj.uz

Submission #321153

# Submission time Handle Problem Language Result Execution time Memory
321153 2020-11-11T08:21:21 Z socho Pilot (NOI19_pilot) C++14
100 / 100
 700 ms 76584 KB 
#include "bits/stdc++.h"
using namespace std;

long long ans = 0;

const long long MXN = 1000005;
long long par[MXN], gs[MXN];
bool used[MXN];

void init() {
	for (long long i=0; i<MXN; i++) par[i] = i;
}

long long parent(long long n) {
	if (n == par[n]) return n;
	return par[n] = parent(par[n]);
}

bool arc(long long a, long long b) {
	return parent(a) == parent(b);
}

long long pa(long long n) {
	return n * (n+1) / 2;
}

void connect(long long a, long long b) {
	if (arc(a, b)) return;
	long long ax = parent(a);
	long long bx = parent(b);
	long long oa = gs[ax];
	long long ob = gs[bx];
	ans -= pa(oa);
	ans -= pa(ob);
	ans += pa(oa+ob);
	gs[ax] += gs[bx];
	par[bx] = ax;
}

void prop(long long n) {
	if (used[n-1] && used[n]) {
		connect(n-1, n);
	}
	if (used[n] && used[n+1]) {
		connect(n, n+1);
	}
}


int main() {
    
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    
    long long n, q;
    cin >> n >> q;
    vector<pair<long long, long long> > ar(n);
    for (long long i=0; i<n; i++) {
		long long x;
		cin >> x;
		ar[i] = make_pair(x, i+1);
	}
	vector<pair<long long, long long> > qs;
	for (long long i=0; i<q; i++) {
		long long x;
		cin >> x;
		qs.push_back(make_pair(x, i));
	}
	
	memset(used, 0, sizeof used);
	
	sort(ar.begin(), ar.end());
	sort(qs.begin(), qs.end());
	
	long long nxt = 0;
	
	long long res[q];
	
	init();
	
	for (long long i=0; i<q; i++) {
		long long qx = qs[i].first;
		long long pos = qs[i].second;
		while (nxt < n && ar[nxt].first <= qx) {
			ans++;
			used[ar[nxt].second] = true;
			gs[ar[nxt].second] = 1;
			prop(ar[nxt].second);
			nxt++;
		}
		res[pos] = ans;
	}
	
	for (long long i=0; i<q; i++) cout << res[i] << '\n';
    
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 5 ms 9196 KB Output is correct
12 Correct 5 ms 9196 KB Output is correct
13 Correct 6 ms 9216 KB Output is correct
14 Correct 6 ms 9196 KB Output is correct
15 Correct 6 ms 9196 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 5 ms 9196 KB Output is correct
12 Correct 5 ms 9196 KB Output is correct
13 Correct 6 ms 9216 KB Output is correct
14 Correct 6 ms 9196 KB Output is correct
15 Correct 6 ms 9196 KB Output is correct
16 Correct 6 ms 9196 KB Output is correct
17 Correct 6 ms 9216 KB Output is correct
18 Correct 6 ms 9196 KB Output is correct
19 Correct 6 ms 9196 KB Output is correct
20 Correct 6 ms 9196 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 5 ms 9196 KB Output is correct
12 Correct 5 ms 9196 KB Output is correct
13 Correct 6 ms 9216 KB Output is correct
14 Correct 6 ms 9196 KB Output is correct
15 Correct 6 ms 9196 KB Output is correct
16 Correct 6 ms 9196 KB Output is correct
17 Correct 6 ms 9216 KB Output is correct
18 Correct 6 ms 9196 KB Output is correct
19 Correct 6 ms 9196 KB Output is correct
20 Correct 6 ms 9196 KB Output is correct
21 Correct 7 ms 9196 KB Output is correct
22 Correct 6 ms 9196 KB Output is correct
23 Correct 7 ms 9196 KB Output is correct
24 Correct 6 ms 9216 KB Output is correct
25 Correct 6 ms 9196 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 12012 KB Output is correct
2 Correct 29 ms 12132 KB Output is correct
3 Correct 29 ms 11884 KB Output is correct
4 Correct 27 ms 11884 KB Output is correct
5 Correct 28 ms 11876 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 15836 KB Output is correct
2 Correct 63 ms 15836 KB Output is correct
3 Correct 50 ms 15836 KB Output is correct
4 Correct 50 ms 15964 KB Output is correct
5 Correct 50 ms 15836 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 58 ms 15836 KB Output is correct
2 Correct 50 ms 15964 KB Output is correct
3 Correct 53 ms 16092 KB Output is correct
4 Correct 50 ms 15964 KB Output is correct
5 Correct 52 ms 16220 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 29 ms 12012 KB Output is correct
12 Correct 29 ms 12132 KB Output is correct
13 Correct 29 ms 11884 KB Output is correct
14 Correct 27 ms 11884 KB Output is correct
15 Correct 28 ms 11876 KB Output is correct
16 Correct 26 ms 11884 KB Output is correct
17 Correct 28 ms 12140 KB Output is correct
18 Correct 25 ms 12132 KB Output is correct
19 Correct 23 ms 11876 KB Output is correct
20 Correct 26 ms 12008 KB Output is correct
21 Correct 27 ms 11876 KB Output is correct
22 Correct 28 ms 11940 KB Output is correct
23 Correct 26 ms 12004 KB Output is correct
24 Correct 25 ms 11876 KB Output is correct
25 Correct 26 ms 12004 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 5 ms 9196 KB Output is correct
12 Correct 5 ms 9196 KB Output is correct
13 Correct 6 ms 9216 KB Output is correct
14 Correct 6 ms 9196 KB Output is correct
15 Correct 6 ms 9196 KB Output is correct
16 Correct 6 ms 9196 KB Output is correct
17 Correct 6 ms 9216 KB Output is correct
18 Correct 6 ms 9196 KB Output is correct
19 Correct 6 ms 9196 KB Output is correct
20 Correct 6 ms 9196 KB Output is correct
21 Correct 7 ms 9196 KB Output is correct
22 Correct 6 ms 9196 KB Output is correct
23 Correct 7 ms 9196 KB Output is correct
24 Correct 6 ms 9216 KB Output is correct
25 Correct 6 ms 9196 KB Output is correct
26 Correct 29 ms 12012 KB Output is correct
27 Correct 29 ms 12132 KB Output is correct
28 Correct 29 ms 11884 KB Output is correct
29 Correct 27 ms 11884 KB Output is correct
30 Correct 28 ms 11876 KB Output is correct
31 Correct 53 ms 15836 KB Output is correct
32 Correct 63 ms 15836 KB Output is correct
33 Correct 50 ms 15836 KB Output is correct
34 Correct 50 ms 15964 KB Output is correct
35 Correct 50 ms 15836 KB Output is correct
36 Correct 58 ms 15836 KB Output is correct
37 Correct 50 ms 15964 KB Output is correct
38 Correct 53 ms 16092 KB Output is correct
39 Correct 50 ms 15964 KB Output is correct
40 Correct 52 ms 16220 KB Output is correct
41 Correct 26 ms 11884 KB Output is correct
42 Correct 28 ms 12140 KB Output is correct
43 Correct 25 ms 12132 KB Output is correct
44 Correct 23 ms 11876 KB Output is correct
45 Correct 26 ms 12008 KB Output is correct
46 Correct 27 ms 11876 KB Output is correct
47 Correct 28 ms 11940 KB Output is correct
48 Correct 26 ms 12004 KB Output is correct
49 Correct 25 ms 11876 KB Output is correct
50 Correct 26 ms 12004 KB Output is correct
51 Correct 61 ms 15836 KB Output is correct
52 Correct 59 ms 15708 KB Output is correct
53 Correct 60 ms 15836 KB Output is correct
54 Correct 61 ms 15836 KB Output is correct
55 Correct 61 ms 15708 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9196 KB Output is correct
2 Correct 5 ms 9196 KB Output is correct
3 Correct 6 ms 9196 KB Output is correct
4 Correct 6 ms 9216 KB Output is correct
5 Correct 6 ms 9196 KB Output is correct
6 Correct 5 ms 9196 KB Output is correct
7 Correct 6 ms 9196 KB Output is correct
8 Correct 5 ms 9196 KB Output is correct
9 Correct 5 ms 9196 KB Output is correct
10 Correct 6 ms 9196 KB Output is correct
11 Correct 5 ms 9196 KB Output is correct
12 Correct 5 ms 9196 KB Output is correct
13 Correct 6 ms 9216 KB Output is correct
14 Correct 6 ms 9196 KB Output is correct
15 Correct 6 ms 9196 KB Output is correct
16 Correct 6 ms 9196 KB Output is correct
17 Correct 6 ms 9216 KB Output is correct
18 Correct 6 ms 9196 KB Output is correct
19 Correct 6 ms 9196 KB Output is correct
20 Correct 6 ms 9196 KB Output is correct
21 Correct 7 ms 9196 KB Output is correct
22 Correct 6 ms 9196 KB Output is correct
23 Correct 7 ms 9196 KB Output is correct
24 Correct 6 ms 9216 KB Output is correct
25 Correct 6 ms 9196 KB Output is correct
26 Correct 29 ms 12012 KB Output is correct
27 Correct 29 ms 12132 KB Output is correct
28 Correct 29 ms 11884 KB Output is correct
29 Correct 27 ms 11884 KB Output is correct
30 Correct 28 ms 11876 KB Output is correct
31 Correct 53 ms 15836 KB Output is correct
32 Correct 63 ms 15836 KB Output is correct
33 Correct 50 ms 15836 KB Output is correct
34 Correct 50 ms 15964 KB Output is correct
35 Correct 50 ms 15836 KB Output is correct
36 Correct 58 ms 15836 KB Output is correct
37 Correct 50 ms 15964 KB Output is correct
38 Correct 53 ms 16092 KB Output is correct
39 Correct 50 ms 15964 KB Output is correct
40 Correct 52 ms 16220 KB Output is correct
41 Correct 26 ms 11884 KB Output is correct
42 Correct 28 ms 12140 KB Output is correct
43 Correct 25 ms 12132 KB Output is correct
44 Correct 23 ms 11876 KB Output is correct
45 Correct 26 ms 12008 KB Output is correct
46 Correct 27 ms 11876 KB Output is correct
47 Correct 28 ms 11940 KB Output is correct
48 Correct 26 ms 12004 KB Output is correct
49 Correct 25 ms 11876 KB Output is correct
50 Correct 26 ms 12004 KB Output is correct
51 Correct 61 ms 15836 KB Output is correct
52 Correct 59 ms 15708 KB Output is correct
53 Correct 60 ms 15836 KB Output is correct
54 Correct 61 ms 15836 KB Output is correct
55 Correct 61 ms 15708 KB Output is correct
56 Correct 691 ms 75192 KB Output is correct
57 Correct 688 ms 74696 KB Output is correct
58 Correct 661 ms 71212 KB Output is correct
59 Correct 657 ms 72604 KB Output is correct
60 Correct 700 ms 76584 KB Output is correct