oj.uz

Submission #522770

# Submission time Handle Problem Language Result Execution time Memory
522770 2022-02-05T17:17:38 Z dsyz Pilot (NOI19_pilot) C++17
100 / 100
 608 ms 99580 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
ll parent[MAXN];
ll SIZE[MAXN];
long long find_set(ll a){
	if(parent[a] == a) return a;
	parent[a] = find_set(parent[a]);
	return parent[a];
}
bool same_set(ll x,ll y){
	return find_set(x) == find_set(y);
}
void merge_set(ll x,ll y){
	parent[find_set(x)] = find_set(y);
}
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N,Q;
	cin>>N>>Q;
	ll sum = 0;
	ll arr[N];
	for(ll i = 0;i < N;i++){
		cin>>arr[i];		
	}
	pair<ll,ll> planes[Q];
	for(ll i = 0;i < Q;i++){
		cin>>planes[i].first;
		planes[i].second = i;
	}
	ll prefix[N + 1];
	ll cur = 0;
	for(ll i = 0;i <= N;i++){
		cur += i;
		prefix[i] = cur;
	}
	deque<pair<ll,ll> > dq;
	for(ll i = 0;i < N;i++){
		dq.push_back(make_pair(arr[i],i));
	}
	ll ans[Q];
	ll can[N];
	memset(can,0,sizeof(can));
	memset(ans,0,sizeof(ans));
	for(ll i = 0;i < N;i++){
		parent[i] = i;
	}
	for(ll i = 0;i < N;i++){
		SIZE[i] = 1;
	}
	sort(planes,planes + Q);
	sort(dq.begin(),dq.end());
	queue<ll> q;
	for(ll i = 0;i < Q;i++){
		while(dq.size() != 0 && dq.front().first <= planes[i].first){
			ll a = dq.front().first;
			ll index = dq.front().second;
			can[index] = i + 1;
			q.push(index);
			dq.pop_front();
			if(N == 1){
			
			}else if(index == 0){
				ll b = 0;
				ll c = 0;
				if(can[index + 1] >= 1){
					b = find_set(index + 1);
					sum -= prefix[SIZE[b]];
					c += SIZE[b];
					merge_set(index,index + 1);
					b = find_set(index + 1);
					SIZE[b] = c + 1;
					sum += prefix[SIZE[b]];					
				}else{
					sum++;
				}
			}else if(index == N - 1){
				ll b = 0;
				ll c = 0;
				if(can[index - 1] >= 1){
					b = find_set(index - 1);
					sum -= prefix[SIZE[b]];
					c += SIZE[b];
					merge_set(index,index - 1);
					b = find_set(index - 1);
					SIZE[b] = c + 1;
					sum += prefix[SIZE[b]];					
				}else{
					sum++;
				}	
			}else{
				ll b = 0;
				ll c = 0;
				if(can[index - 1] >= 1){
					b = find_set(index - 1);
					sum -= prefix[SIZE[b]];
					c += SIZE[b];				
				}
				if(can[index + 1] >= 1){
					b = find_set(index + 1);
					sum -= prefix[SIZE[b]];
					c += SIZE[b];					
				}
				if(can[index - 1] >= 1) merge_set(index,index - 1);
				if(can[index + 1] >= 1) merge_set(index,index + 1);
				b = find_set(index);
				SIZE[b] = c + 1;
				sum += prefix[SIZE[b]];
			}			
		}
		ans[planes[i].second] = sum;
	}
	for(ll i = 0;i < Q;i++){
		cout<<ans[i]<<'\n';
	}
}

Compilation message

pilot.cpp: In function 'int main()':
pilot.cpp:57:7: warning: unused variable 'a' [-Wunused-variable]
   57 |    ll a = dq.front().first;
      |       ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 6220 KB Output is correct
2 Correct 24 ms 6468 KB Output is correct
3 Correct 22 ms 6028 KB Output is correct
4 Correct 24 ms 5956 KB Output is correct
5 Correct 22 ms 6008 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 9852 KB Output is correct
2 Correct 46 ms 9924 KB Output is correct
3 Correct 42 ms 9820 KB Output is correct
4 Correct 39 ms 9992 KB Output is correct
5 Correct 39 ms 9668 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 9876 KB Output is correct
2 Correct 39 ms 9904 KB Output is correct
3 Correct 38 ms 9828 KB Output is correct
4 Correct 43 ms 10156 KB Output is correct
5 Correct 51 ms 10296 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 23 ms 6220 KB Output is correct
12 Correct 24 ms 6468 KB Output is correct
13 Correct 22 ms 6028 KB Output is correct
14 Correct 24 ms 5956 KB Output is correct
15 Correct 22 ms 6008 KB Output is correct
16 Correct 24 ms 5920 KB Output is correct
17 Correct 21 ms 6340 KB Output is correct
18 Correct 21 ms 6440 KB Output is correct
19 Correct 21 ms 6000 KB Output is correct
20 Correct 24 ms 6296 KB Output is correct
21 Correct 26 ms 5908 KB Output is correct
22 Correct 22 ms 6116 KB Output is correct
23 Correct 22 ms 6404 KB Output is correct
24 Correct 21 ms 6012 KB Output is correct
25 Correct 22 ms 6232 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 23 ms 6220 KB Output is correct
27 Correct 24 ms 6468 KB Output is correct
28 Correct 22 ms 6028 KB Output is correct
29 Correct 24 ms 5956 KB Output is correct
30 Correct 22 ms 6008 KB Output is correct
31 Correct 42 ms 9852 KB Output is correct
32 Correct 46 ms 9924 KB Output is correct
33 Correct 42 ms 9820 KB Output is correct
34 Correct 39 ms 9992 KB Output is correct
35 Correct 39 ms 9668 KB Output is correct
36 Correct 41 ms 9876 KB Output is correct
37 Correct 39 ms 9904 KB Output is correct
38 Correct 38 ms 9828 KB Output is correct
39 Correct 43 ms 10156 KB Output is correct
40 Correct 51 ms 10296 KB Output is correct
41 Correct 24 ms 5920 KB Output is correct
42 Correct 21 ms 6340 KB Output is correct
43 Correct 21 ms 6440 KB Output is correct
44 Correct 21 ms 6000 KB Output is correct
45 Correct 24 ms 6296 KB Output is correct
46 Correct 26 ms 5908 KB Output is correct
47 Correct 22 ms 6116 KB Output is correct
48 Correct 22 ms 6404 KB Output is correct
49 Correct 21 ms 6012 KB Output is correct
50 Correct 22 ms 6232 KB Output is correct
51 Correct 56 ms 9864 KB Output is correct
52 Correct 51 ms 9796 KB Output is correct
53 Correct 47 ms 9952 KB Output is correct
54 Correct 48 ms 9736 KB Output is correct
55 Correct 49 ms 9924 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 316 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 324 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 23 ms 6220 KB Output is correct
27 Correct 24 ms 6468 KB Output is correct
28 Correct 22 ms 6028 KB Output is correct
29 Correct 24 ms 5956 KB Output is correct
30 Correct 22 ms 6008 KB Output is correct
31 Correct 42 ms 9852 KB Output is correct
32 Correct 46 ms 9924 KB Output is correct
33 Correct 42 ms 9820 KB Output is correct
34 Correct 39 ms 9992 KB Output is correct
35 Correct 39 ms 9668 KB Output is correct
36 Correct 41 ms 9876 KB Output is correct
37 Correct 39 ms 9904 KB Output is correct
38 Correct 38 ms 9828 KB Output is correct
39 Correct 43 ms 10156 KB Output is correct
40 Correct 51 ms 10296 KB Output is correct
41 Correct 24 ms 5920 KB Output is correct
42 Correct 21 ms 6340 KB Output is correct
43 Correct 21 ms 6440 KB Output is correct
44 Correct 21 ms 6000 KB Output is correct
45 Correct 24 ms 6296 KB Output is correct
46 Correct 26 ms 5908 KB Output is correct
47 Correct 22 ms 6116 KB Output is correct
48 Correct 22 ms 6404 KB Output is correct
49 Correct 21 ms 6012 KB Output is correct
50 Correct 22 ms 6232 KB Output is correct
51 Correct 56 ms 9864 KB Output is correct
52 Correct 51 ms 9796 KB Output is correct
53 Correct 47 ms 9952 KB Output is correct
54 Correct 48 ms 9736 KB Output is correct
55 Correct 49 ms 9924 KB Output is correct
56 Correct 602 ms 96516 KB Output is correct
57 Correct 608 ms 97428 KB Output is correct
58 Correct 558 ms 91360 KB Output is correct
59 Correct 571 ms 93596 KB Output is correct
60 Correct 599 ms 99580 KB Output is correct