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Submission #320417

# Submission time Handle Problem Language Result Execution time Memory
320417 2020-11-08T16:50:58 Z saarang123 Pilot (NOI19_pilot) C++14
100 / 100
 733 ms 76516 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 1000 * 1000 + 3;
int par[N], sz[N];
int ans = 0;
bool u[N];

int cnt(int v) { return (v * (v + 1)) / 2; }

void init(int n) {
    for(int i = 0; i <= n + 1; i++) par[i] = i, sz[i] = 1;
}

int fin(int v) { return par[v] == v ? v : par[v] = fin(par[v]); }

void join(int a, int b) {
    if(!u[a] || !u[b]) return;
    a = fin(a); b = fin(b);
    if(a == b) return;
    ans -= cnt(sz[a]);
    ans -= cnt(sz[b]);
    if(sz[a] < sz[b]) swap(a, b);
    sz[a] += sz[b];
    par[b] = a;
    ans += cnt(sz[a]);
}

void unite(int v) {
    u[v] = 1;
    ans += cnt(sz[v]);
    join(v, v + 1);
    join(v, v - 1);
}

signed main() {
    std::ios::sync_with_stdio(0);
    std::cout.tie(0);
    std::cin.tie(0);
    int n, q;
    cin >> n >> q;
    init(n);
    vector<array<int, 2>> a(n), h(q);
    for(int i = 0; i < n; i++) cin >> a[i][0], a[i][1] = i + 1;
    for(int i = 0; i < q; i++) cin >> h[i][0], h[i][1] = i;
    sort(h.begin(), h.end());
    sort(a.begin(), a.end());
    vector<int> id(q);
    int j = 0;
    for(int i = 0; i < q; i++) {
        while(j < n && a[j][0] <= h[i][0]) {
            unite(a[j][1]);
            j++;
        }
        id[h[i][1]] = ans;
    }
    for(int i = 0; i < q; i++) cout << id[i] << '\n';
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 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 364 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 #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 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 364 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

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 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 364 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 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 488 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 4024 KB Output is correct
2 Correct 26 ms 4204 KB Output is correct
3 Correct 25 ms 3940 KB Output is correct
4 Correct 25 ms 3948 KB Output is correct
5 Correct 25 ms 3948 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 7804 KB Output is correct
2 Correct 57 ms 7780 KB Output is correct
3 Correct 46 ms 7652 KB Output is correct
4 Correct 50 ms 7908 KB Output is correct
5 Correct 47 ms 7652 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 7780 KB Output is correct
2 Correct 56 ms 7912 KB Output is correct
3 Correct 48 ms 7908 KB Output is correct
4 Correct 46 ms 7908 KB Output is correct
5 Correct 49 ms 8292 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 31 ms 4024 KB Output is correct
12 Correct 26 ms 4204 KB Output is correct
13 Correct 25 ms 3940 KB Output is correct
14 Correct 25 ms 3948 KB Output is correct
15 Correct 25 ms 3948 KB Output is correct
16 Correct 23 ms 3940 KB Output is correct
17 Correct 24 ms 4204 KB Output is correct
18 Correct 22 ms 4204 KB Output is correct
19 Correct 21 ms 3820 KB Output is correct
20 Correct 23 ms 4076 KB Output is correct
21 Correct 25 ms 3820 KB Output is correct
22 Correct 22 ms 3948 KB Output is correct
23 Correct 25 ms 4196 KB Output is correct
24 Correct 21 ms 3948 KB Output is correct
25 Correct 23 ms 4068 KB Output is correct

Subtask #9
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 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 364 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 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 488 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 31 ms 4024 KB Output is correct
27 Correct 26 ms 4204 KB Output is correct
28 Correct 25 ms 3940 KB Output is correct
29 Correct 25 ms 3948 KB Output is correct
30 Correct 25 ms 3948 KB Output is correct
31 Correct 47 ms 7804 KB Output is correct
32 Correct 57 ms 7780 KB Output is correct
33 Correct 46 ms 7652 KB Output is correct
34 Correct 50 ms 7908 KB Output is correct
35 Correct 47 ms 7652 KB Output is correct
36 Correct 50 ms 7780 KB Output is correct
37 Correct 56 ms 7912 KB Output is correct
38 Correct 48 ms 7908 KB Output is correct
39 Correct 46 ms 7908 KB Output is correct
40 Correct 49 ms 8292 KB Output is correct
41 Correct 23 ms 3940 KB Output is correct
42 Correct 24 ms 4204 KB Output is correct
43 Correct 22 ms 4204 KB Output is correct
44 Correct 21 ms 3820 KB Output is correct
45 Correct 23 ms 4076 KB Output is correct
46 Correct 25 ms 3820 KB Output is correct
47 Correct 22 ms 3948 KB Output is correct
48 Correct 25 ms 4196 KB Output is correct
49 Correct 21 ms 3948 KB Output is correct
50 Correct 23 ms 4068 KB Output is correct
51 Correct 61 ms 7776 KB Output is correct
52 Correct 57 ms 7728 KB Output is correct
53 Correct 58 ms 7780 KB Output is correct
54 Correct 56 ms 7524 KB Output is correct
55 Correct 57 ms 7780 KB Output is correct

Subtask #10
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 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 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 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 364 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 492 KB Output is correct
22 Correct 1 ms 492 KB Output is correct
23 Correct 1 ms 488 KB Output is correct
24 Correct 1 ms 492 KB Output is correct
25 Correct 1 ms 492 KB Output is correct
26 Correct 31 ms 4024 KB Output is correct
27 Correct 26 ms 4204 KB Output is correct
28 Correct 25 ms 3940 KB Output is correct
29 Correct 25 ms 3948 KB Output is correct
30 Correct 25 ms 3948 KB Output is correct
31 Correct 47 ms 7804 KB Output is correct
32 Correct 57 ms 7780 KB Output is correct
33 Correct 46 ms 7652 KB Output is correct
34 Correct 50 ms 7908 KB Output is correct
35 Correct 47 ms 7652 KB Output is correct
36 Correct 50 ms 7780 KB Output is correct
37 Correct 56 ms 7912 KB Output is correct
38 Correct 48 ms 7908 KB Output is correct
39 Correct 46 ms 7908 KB Output is correct
40 Correct 49 ms 8292 KB Output is correct
41 Correct 23 ms 3940 KB Output is correct
42 Correct 24 ms 4204 KB Output is correct
43 Correct 22 ms 4204 KB Output is correct
44 Correct 21 ms 3820 KB Output is correct
45 Correct 23 ms 4076 KB Output is correct
46 Correct 25 ms 3820 KB Output is correct
47 Correct 22 ms 3948 KB Output is correct
48 Correct 25 ms 4196 KB Output is correct
49 Correct 21 ms 3948 KB Output is correct
50 Correct 23 ms 4068 KB Output is correct
51 Correct 61 ms 7776 KB Output is correct
52 Correct 57 ms 7728 KB Output is correct
53 Correct 58 ms 7780 KB Output is correct
54 Correct 56 ms 7524 KB Output is correct
55 Correct 57 ms 7780 KB Output is correct
56 Correct 693 ms 74536 KB Output is correct
57 Correct 699 ms 74288 KB Output is correct
58 Correct 665 ms 70244 KB Output is correct
59 Correct 675 ms 71796 KB Output is correct
60 Correct 733 ms 76516 KB Output is correct