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Submission #673483

# Submission time Handle Problem Language Result Execution time Memory
673483 2022-12-20T17:06:50 Z 406 Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 1834 ms 51464 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 1e6 + 50;
const int INF = 1 << 25;
int mx[4 * N], delta[4 * N];
vector<pair<int, int>> D;

void add(int v, int l, int r, int L, int R, int d) {
	if (R <= L || R <= l || r <= L) return;
	if (l >= L && r <= R) {
		mx[v] += d;
		delta[v] += d;
		return;
	}
	int m = l + r >> 1;
	add(v<<1, l, m, L, R, d);
	add(v<<1|1, m, r, L, R, d);
	mx[v] = max(mx[v<<1], mx[v<<1|1]) + delta[v];
}

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V){
	int Q = X.size();
	int n = A.size();

	for (int i = 0; i < n; i++)
		D.emplace_back(A[i], i);
	for (int i = 0; i < Q; i++)
		D.emplace_back(V[i], X[i]);
	sort(D.begin(), D.end());
	D.resize(unique(D.begin(), D.end()) - D.begin());

	for (int i = 0; i < A.size(); i++) {
		int ind = lower_bound(D.begin(), D.end(), make_pair(A[i], i)) - D.begin();
		add(1, 0, D.size(), ind, ind + 1, +i);
		add(1, 0, D.size(), ind + 1, D.size(), -1);
	}

	vector<int> answer(Q);
	for (int i = 0; i < Q; i++) {
		int ind = lower_bound(D.begin(), D.end(), make_pair(A[X[i]], X[i])) - D.begin();
		add(1, 0, D.size(), ind, ind + 1, -X[i]);	
		add(1, 0, D.size(), ind + 1, D.size(), +1);

		ind = lower_bound(D.begin(), D.end(), make_pair(V[i], X[i])) - D.begin();
		add(1, 0, D.size(), ind, ind + 1, +X[i]);
		add(1, 0, D.size(), ind + 1, D.size(), -1);

		A[X[i]] = V[i];
		answer[i] = max(mx[1], 0);
	}
	return answer;
}

Compilation message

bubblesort2.cpp: In function 'void add(int, int, int, int, int, int)':
bubblesort2.cpp:17:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   17 |  int m = l + r >> 1;
      |          ~~^~~
bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |  for (int i = 0; i < A.size(); i++) {
      |                  ~~^~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 3 ms 468 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 388 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 3 ms 488 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 3 ms 468 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 388 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 3 ms 488 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 12 ms 980 KB Output is correct
20 Correct 15 ms 1016 KB Output is correct
21 Correct 14 ms 1116 KB Output is correct
22 Correct 14 ms 1024 KB Output is correct
23 Correct 15 ms 984 KB Output is correct
24 Correct 13 ms 980 KB Output is correct
25 Correct 13 ms 1024 KB Output is correct
26 Correct 13 ms 980 KB Output is correct
27 Correct 13 ms 1028 KB Output is correct
28 Correct 18 ms 1028 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 1360 KB Output is correct
2 Correct 60 ms 2636 KB Output is correct
3 Correct 102 ms 4492 KB Output is correct
4 Correct 106 ms 4520 KB Output is correct
5 Correct 100 ms 4524 KB Output is correct
6 Correct 106 ms 4460 KB Output is correct
7 Correct 102 ms 4416 KB Output is correct
8 Correct 109 ms 4452 KB Output is correct
9 Correct 111 ms 4524 KB Output is correct
10 Correct 83 ms 3392 KB Output is correct
11 Correct 83 ms 3396 KB Output is correct
12 Correct 87 ms 3424 KB Output is correct
13 Correct 87 ms 3520 KB Output is correct
14 Correct 82 ms 3496 KB Output is correct
15 Correct 80 ms 3492 KB Output is correct
16 Correct 77 ms 3476 KB Output is correct
17 Correct 82 ms 3492 KB Output is correct
18 Correct 79 ms 3444 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 3 ms 468 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 3 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 3 ms 468 KB Output is correct
12 Correct 3 ms 468 KB Output is correct
13 Correct 3 ms 468 KB Output is correct
14 Correct 4 ms 388 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 3 ms 488 KB Output is correct
17 Correct 3 ms 468 KB Output is correct
18 Correct 3 ms 468 KB Output is correct
19 Correct 12 ms 980 KB Output is correct
20 Correct 15 ms 1016 KB Output is correct
21 Correct 14 ms 1116 KB Output is correct
22 Correct 14 ms 1024 KB Output is correct
23 Correct 15 ms 984 KB Output is correct
24 Correct 13 ms 980 KB Output is correct
25 Correct 13 ms 1024 KB Output is correct
26 Correct 13 ms 980 KB Output is correct
27 Correct 13 ms 1028 KB Output is correct
28 Correct 18 ms 1028 KB Output is correct
29 Correct 22 ms 1360 KB Output is correct
30 Correct 60 ms 2636 KB Output is correct
31 Correct 102 ms 4492 KB Output is correct
32 Correct 106 ms 4520 KB Output is correct
33 Correct 100 ms 4524 KB Output is correct
34 Correct 106 ms 4460 KB Output is correct
35 Correct 102 ms 4416 KB Output is correct
36 Correct 109 ms 4452 KB Output is correct
37 Correct 111 ms 4524 KB Output is correct
38 Correct 83 ms 3392 KB Output is correct
39 Correct 83 ms 3396 KB Output is correct
40 Correct 87 ms 3424 KB Output is correct
41 Correct 87 ms 3520 KB Output is correct
42 Correct 82 ms 3496 KB Output is correct
43 Correct 80 ms 3492 KB Output is correct
44 Correct 77 ms 3476 KB Output is correct
45 Correct 82 ms 3492 KB Output is correct
46 Correct 79 ms 3444 KB Output is correct
47 Correct 390 ms 14772 KB Output is correct
48 Correct 1629 ms 36776 KB Output is correct
49 Correct 1687 ms 51168 KB Output is correct
50 Correct 1834 ms 51172 KB Output is correct
51 Correct 1682 ms 51172 KB Output is correct
52 Correct 1685 ms 51328 KB Output is correct
53 Correct 1742 ms 51076 KB Output is correct
54 Correct 1531 ms 51316 KB Output is correct
55 Correct 1607 ms 51344 KB Output is correct
56 Correct 1492 ms 51464 KB Output is correct
57 Correct 1573 ms 51424 KB Output is correct
58 Correct 1511 ms 51304 KB Output is correct
59 Correct 1415 ms 49980 KB Output is correct
60 Correct 1430 ms 50028 KB Output is correct
61 Correct 1435 ms 50024 KB Output is correct
62 Correct 1332 ms 49744 KB Output is correct
63 Correct 1381 ms 49840 KB Output is correct
64 Correct 1358 ms 49848 KB Output is correct
65 Correct 1267 ms 49704 KB Output is correct
66 Correct 1243 ms 49768 KB Output is correct
67 Correct 1279 ms 49632 KB Output is correct