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Submission #341518

# Submission time Handle Problem Language Result Execution time Memory
341518 2020-12-29T22:12:57 Z ogibogi2004 Bigger segments (IZhO19_segments) C++14
100 / 100
 314 ms 41792 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll INF=2e17;
const int MAXN=5e5+6;
ll a[MAXN],n;
ll pref[MAXN];
ll dp[MAXN],s[MAXN];
vector<pair<ll,ll> >v[MAXN];
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)cin>>a[i];
	for(int i=1;i<=n;i++)
	{
		pref[i]=pref[i-1]+a[i];
	}
	dp[0]=0;s[0]=0;
	priority_queue<pair<ll,ll> >pq;
	pq.push({0,0});
	priority_queue<pair<pair<ll,ll>,ll> >to_add;
	for(int i=1;i<=n;i++)
	{
		while(!to_add.empty()&&-to_add.top().first.first<=pref[i])
		{
			pq.push({to_add.top().first.second,to_add.top().second});
			to_add.pop();
		}
		auto t=pq.top();
		dp[i]=t.first+1;
		to_add.push({{-2*pref[i]+pref[t.second],dp[i]},i});
	}
	cout<<dp[n]<<endl;
return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 9 ms 12140 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct
9 Correct 8 ms 12140 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct
11 Correct 10 ms 12140 KB Output is correct
12 Correct 9 ms 12140 KB Output is correct
13 Correct 9 ms 12140 KB Output is correct
14 Correct 8 ms 12140 KB Output is correct
15 Correct 9 ms 12288 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 9 ms 12140 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct
9 Correct 8 ms 12140 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct
11 Correct 10 ms 12140 KB Output is correct
12 Correct 9 ms 12140 KB Output is correct
13 Correct 9 ms 12140 KB Output is correct
14 Correct 8 ms 12140 KB Output is correct
15 Correct 9 ms 12288 KB Output is correct
16 Correct 9 ms 12140 KB Output is correct
17 Correct 11 ms 12140 KB Output is correct
18 Correct 11 ms 12140 KB Output is correct
19 Correct 9 ms 12140 KB Output is correct
20 Correct 9 ms 12140 KB Output is correct
21 Correct 9 ms 12140 KB Output is correct
22 Correct 10 ms 12140 KB Output is correct
23 Correct 9 ms 12140 KB Output is correct
24 Correct 9 ms 12140 KB Output is correct
25 Correct 9 ms 12140 KB Output is correct
26 Correct 10 ms 12140 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12140 KB Output is correct
29 Correct 9 ms 12140 KB Output is correct
30 Correct 9 ms 12140 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 9 ms 12140 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct
9 Correct 8 ms 12140 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct
11 Correct 10 ms 12140 KB Output is correct
12 Correct 9 ms 12140 KB Output is correct
13 Correct 9 ms 12140 KB Output is correct
14 Correct 8 ms 12140 KB Output is correct
15 Correct 9 ms 12288 KB Output is correct
16 Correct 9 ms 12140 KB Output is correct
17 Correct 11 ms 12140 KB Output is correct
18 Correct 11 ms 12140 KB Output is correct
19 Correct 9 ms 12140 KB Output is correct
20 Correct 9 ms 12140 KB Output is correct
21 Correct 9 ms 12140 KB Output is correct
22 Correct 10 ms 12140 KB Output is correct
23 Correct 9 ms 12140 KB Output is correct
24 Correct 9 ms 12140 KB Output is correct
25 Correct 9 ms 12140 KB Output is correct
26 Correct 10 ms 12140 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12140 KB Output is correct
29 Correct 9 ms 12140 KB Output is correct
30 Correct 9 ms 12140 KB Output is correct
31 Correct 9 ms 12396 KB Output is correct
32 Correct 10 ms 12268 KB Output is correct
33 Correct 10 ms 12268 KB Output is correct
34 Correct 10 ms 12284 KB Output is correct
35 Correct 10 ms 12268 KB Output is correct
36 Correct 12 ms 12268 KB Output is correct
37 Correct 10 ms 12268 KB Output is correct
38 Correct 10 ms 12268 KB Output is correct
39 Correct 10 ms 12268 KB Output is correct
40 Correct 11 ms 12396 KB Output is correct
41 Correct 9 ms 12268 KB Output is correct
42 Correct 10 ms 12396 KB Output is correct
43 Correct 10 ms 12268 KB Output is correct
44 Correct 10 ms 12268 KB Output is correct
45 Correct 10 ms 12268 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 9 ms 12140 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct
9 Correct 8 ms 12140 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct
11 Correct 10 ms 12140 KB Output is correct
12 Correct 9 ms 12140 KB Output is correct
13 Correct 9 ms 12140 KB Output is correct
14 Correct 8 ms 12140 KB Output is correct
15 Correct 9 ms 12288 KB Output is correct
16 Correct 9 ms 12140 KB Output is correct
17 Correct 11 ms 12140 KB Output is correct
18 Correct 11 ms 12140 KB Output is correct
19 Correct 9 ms 12140 KB Output is correct
20 Correct 9 ms 12140 KB Output is correct
21 Correct 9 ms 12140 KB Output is correct
22 Correct 10 ms 12140 KB Output is correct
23 Correct 9 ms 12140 KB Output is correct
24 Correct 9 ms 12140 KB Output is correct
25 Correct 9 ms 12140 KB Output is correct
26 Correct 10 ms 12140 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12140 KB Output is correct
29 Correct 9 ms 12140 KB Output is correct
30 Correct 9 ms 12140 KB Output is correct
31 Correct 9 ms 12396 KB Output is correct
32 Correct 10 ms 12268 KB Output is correct
33 Correct 10 ms 12268 KB Output is correct
34 Correct 10 ms 12284 KB Output is correct
35 Correct 10 ms 12268 KB Output is correct
36 Correct 12 ms 12268 KB Output is correct
37 Correct 10 ms 12268 KB Output is correct
38 Correct 10 ms 12268 KB Output is correct
39 Correct 10 ms 12268 KB Output is correct
40 Correct 11 ms 12396 KB Output is correct
41 Correct 9 ms 12268 KB Output is correct
42 Correct 10 ms 12396 KB Output is correct
43 Correct 10 ms 12268 KB Output is correct
44 Correct 10 ms 12268 KB Output is correct
45 Correct 10 ms 12268 KB Output is correct
46 Correct 36 ms 17760 KB Output is correct
47 Correct 55 ms 17056 KB Output is correct
48 Correct 62 ms 17140 KB Output is correct
49 Correct 58 ms 17372 KB Output is correct
50 Correct 59 ms 17376 KB Output is correct
51 Correct 80 ms 17376 KB Output is correct
52 Correct 40 ms 14968 KB Output is correct
53 Correct 26 ms 13672 KB Output is correct
54 Correct 43 ms 16608 KB Output is correct
55 Correct 70 ms 17376 KB Output is correct
56 Correct 44 ms 16864 KB Output is correct
57 Correct 49 ms 18780 KB Output is correct
58 Correct 50 ms 17628 KB Output is correct
59 Correct 45 ms 16888 KB Output is correct
60 Correct 50 ms 16864 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 9 ms 12140 KB Output is correct
6 Correct 9 ms 12288 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct
9 Correct 8 ms 12140 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct
11 Correct 10 ms 12140 KB Output is correct
12 Correct 9 ms 12140 KB Output is correct
13 Correct 9 ms 12140 KB Output is correct
14 Correct 8 ms 12140 KB Output is correct
15 Correct 9 ms 12288 KB Output is correct
16 Correct 9 ms 12140 KB Output is correct
17 Correct 11 ms 12140 KB Output is correct
18 Correct 11 ms 12140 KB Output is correct
19 Correct 9 ms 12140 KB Output is correct
20 Correct 9 ms 12140 KB Output is correct
21 Correct 9 ms 12140 KB Output is correct
22 Correct 10 ms 12140 KB Output is correct
23 Correct 9 ms 12140 KB Output is correct
24 Correct 9 ms 12140 KB Output is correct
25 Correct 9 ms 12140 KB Output is correct
26 Correct 10 ms 12140 KB Output is correct
27 Correct 10 ms 12288 KB Output is correct
28 Correct 11 ms 12140 KB Output is correct
29 Correct 9 ms 12140 KB Output is correct
30 Correct 9 ms 12140 KB Output is correct
31 Correct 9 ms 12396 KB Output is correct
32 Correct 10 ms 12268 KB Output is correct
33 Correct 10 ms 12268 KB Output is correct
34 Correct 10 ms 12284 KB Output is correct
35 Correct 10 ms 12268 KB Output is correct
36 Correct 12 ms 12268 KB Output is correct
37 Correct 10 ms 12268 KB Output is correct
38 Correct 10 ms 12268 KB Output is correct
39 Correct 10 ms 12268 KB Output is correct
40 Correct 11 ms 12396 KB Output is correct
41 Correct 9 ms 12268 KB Output is correct
42 Correct 10 ms 12396 KB Output is correct
43 Correct 10 ms 12268 KB Output is correct
44 Correct 10 ms 12268 KB Output is correct
45 Correct 10 ms 12268 KB Output is correct
46 Correct 36 ms 17760 KB Output is correct
47 Correct 55 ms 17056 KB Output is correct
48 Correct 62 ms 17140 KB Output is correct
49 Correct 58 ms 17372 KB Output is correct
50 Correct 59 ms 17376 KB Output is correct
51 Correct 80 ms 17376 KB Output is correct
52 Correct 40 ms 14968 KB Output is correct
53 Correct 26 ms 13672 KB Output is correct
54 Correct 43 ms 16608 KB Output is correct
55 Correct 70 ms 17376 KB Output is correct
56 Correct 44 ms 16864 KB Output is correct
57 Correct 49 ms 18780 KB Output is correct
58 Correct 50 ms 17628 KB Output is correct
59 Correct 45 ms 16888 KB Output is correct
60 Correct 50 ms 16864 KB Output is correct
61 Correct 161 ms 37740 KB Output is correct
62 Correct 195 ms 39756 KB Output is correct
63 Correct 249 ms 36420 KB Output is correct
64 Correct 279 ms 36304 KB Output is correct
65 Correct 261 ms 36688 KB Output is correct
66 Correct 309 ms 36552 KB Output is correct
67 Correct 258 ms 32604 KB Output is correct
68 Correct 129 ms 22364 KB Output is correct
69 Correct 188 ms 32840 KB Output is correct
70 Correct 314 ms 36760 KB Output is correct
71 Correct 166 ms 33748 KB Output is correct
72 Correct 204 ms 41792 KB Output is correct
73 Correct 210 ms 39368 KB Output is correct
74 Correct 208 ms 35156 KB Output is correct
75 Correct 215 ms 35016 KB Output is correct