oj.uz

Submission #334926

# Submission time Handle Problem Language Result Execution time Memory
334926 2020-12-10T09:45:18 Z Trickster Bigger segments (IZhO19_segments) C++14
100 / 100
 107 ms 16988 KB 
//Suleyman Atayew
 
#include <algorithm>
#include <iostream>
#include <string.h>
#include <stdio.h>
#include <bitset>
#include <vector>
#include <queue>
#include <cmath>
#include <map>
#include <set>
 
#define N 500010
#define ff first
#define ss second
#define pb push_back
#define ll long long
#define mod 1000000007
#define pii pair <ll, ll>
#define sz(a) (ll)(a.size())
ll bigmod(ll a, ll b) { if(b==0)return 1; ll ret = bigmod(a, b/2); return ret * ret % mod * (b%2 ? a : 1) % mod; }

using namespace std;

ll n, in;
ll v[N];
ll dp[N];

int main()
{
    ios::sync_with_stdio(false);
	cin.tie(0);
    
    cin >> n;

    for(ll i = 1; i <= n; i++) cin >> v[i], v[i] += v[i-1];

    priority_queue <pii> Q;

    Q.push({0, 0});
    for(ll i = 1; i <= n; i++) {
        while(!Q.empty() && -Q.top().ff <= v[i]) {
            if(dp[Q.top().ss] > dp[in] || (dp[Q.top().ss] == dp[in] && in < Q.top().ss)) in = Q.top().ss;

            Q.pop();
        }

        dp[i] = dp[in]+1;
        Q.push({v[in]-v[i]*2, i});
    }

    cout << dp[n];
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 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 512 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 408 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 #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 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 512 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 408 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 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 364 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 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 512 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 408 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 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 640 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 408 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 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 512 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 408 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 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 640 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 408 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 11 ms 4200 KB Output is correct
47 Correct 18 ms 2672 KB Output is correct
48 Correct 18 ms 2796 KB Output is correct
49 Correct 14 ms 3212 KB Output is correct
50 Correct 14 ms 2796 KB Output is correct
51 Correct 21 ms 2796 KB Output is correct
52 Correct 11 ms 1644 KB Output is correct
53 Correct 7 ms 1132 KB Output is correct
54 Correct 16 ms 2156 KB Output is correct
55 Correct 20 ms 2796 KB Output is correct
56 Correct 10 ms 2412 KB Output is correct
57 Correct 14 ms 3308 KB Output is correct
58 Correct 16 ms 2924 KB Output is correct
59 Correct 11 ms 2540 KB Output is correct
60 Correct 14 ms 2556 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 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 512 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 408 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 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 640 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 384 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 408 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 11 ms 4200 KB Output is correct
47 Correct 18 ms 2672 KB Output is correct
48 Correct 18 ms 2796 KB Output is correct
49 Correct 14 ms 3212 KB Output is correct
50 Correct 14 ms 2796 KB Output is correct
51 Correct 21 ms 2796 KB Output is correct
52 Correct 11 ms 1644 KB Output is correct
53 Correct 7 ms 1132 KB Output is correct
54 Correct 16 ms 2156 KB Output is correct
55 Correct 20 ms 2796 KB Output is correct
56 Correct 10 ms 2412 KB Output is correct
57 Correct 14 ms 3308 KB Output is correct
58 Correct 16 ms 2924 KB Output is correct
59 Correct 11 ms 2540 KB Output is correct
60 Correct 14 ms 2556 KB Output is correct
61 Correct 53 ms 16988 KB Output is correct
62 Correct 74 ms 13072 KB Output is correct
63 Correct 98 ms 10596 KB Output is correct
64 Correct 78 ms 9080 KB Output is correct
65 Correct 64 ms 9068 KB Output is correct
66 Correct 107 ms 9068 KB Output is correct
67 Correct 82 ms 7532 KB Output is correct
68 Correct 43 ms 4332 KB Output is correct
69 Correct 86 ms 9068 KB Output is correct
70 Correct 99 ms 9068 KB Output is correct
71 Correct 47 ms 9068 KB Output is correct
72 Correct 68 ms 12304 KB Output is correct
73 Correct 59 ms 10412 KB Output is correct
74 Correct 56 ms 9040 KB Output is correct
75 Correct 58 ms 9068 KB Output is correct