oj.uz

Submission #242680

# Submission time Handle Problem Language Result Execution time Memory
242680 2020-06-28T23:57:32 Z Nightlight Bubble Sort 2 (JOI18_bubblesort2) C++14
100 / 100
 4915 ms 166960 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
#define L(n) (n << 1)
#define R(n) (n << 1 | 1)
using namespace std;

int N, Q;
vector<int> ans, tmp;
map<int, int> id;
set<int, greater<int>> con[1000005];
int tree[4000005];
int lazy[4000005];

void unlazy(int n, int l, int r) {
	tree[n] += lazy[n];
	if(l != r) {
		lazy[L(n)] += lazy[n];
		lazy[R(n)] += lazy[n];
	}
	lazy[n] = 0;
}

void tt(int n, int l, int r) {
	unlazy(n, l, r);
	if(l == r) {
		cout << tree[n] << " ";
		return;
	}
	int mid = (l + r) >> 1;
	tt(L(n), l, mid);
	tt(R(n), mid + 1, r);
}

void update(int n, int l, int r, int ql, int qr, int val) {
//	if(n == 1) cout << "up: "<< ql << " " << qr << " " << val << "\n";
	unlazy(n, l, r);
	if(qr < l || r < ql) return;
	if(ql <= l && r <= qr) {
		tree[n] += val;
		if(l != r) {
			lazy[L(n)] += val;
			lazy[R(n)] += val;
		}
		return;
	}
	int mid = (l + r) >> 1;
	update(L(n), l, mid, ql, qr, val);
	update(R(n), mid + 1, r, ql, qr, val);
	tree[n] = max(tree[L(n)], tree[R(n)]);
}

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V){
	N = A.size(), Q = X.size();
	ans.resize(Q);
	tmp = A;
	for(int now : V) tmp.push_back(now);
	sort(tmp.begin(), tmp.end());
	tmp.resize(unique(tmp.begin(), tmp.end()) - tmp.begin());
	for(int i = 0; i < tmp.size(); i++) {
		id[tmp[i]] = i;
//		cout << tmp[i] << " ";
	}
//	cout << "\n";
	
	int mac = tmp.size() - 1, val, pos;
	for(int i = 0; i < N; i++) {
		val = id[A[i]];
		update(1, 0, mac, val, mac, -1);
		if(con[val].empty()) {
			update(1, 0, mac, val, val, i + 1);
		}else update(1, 0, mac, val, val, i - *con[val].begin());
		con[val].insert(i);
	}
//	cout << tree[1] << "\n";
//	tt(1, 0, mac);
//	cout << "\n\n";
	for(int i = 0; i < Q; i++) {
		pos = X[i], val = id[A[pos]];
		if(con[val].size() == 1) update(1, 0, mac, val, val, -pos - 1), con[val].erase(pos);
		else if(*con[val].begin() == pos) {
			con[val].erase(pos);
			update(1, 0, mac, val, val, *con[val].begin() - pos);
		}else con[val].erase(pos);
		update(1, 0, mac, val, mac, 1);
//		tt(1, 0, mac);
//		cout << "\n";

		A[pos] = V[i];
		val = id[A[pos]];
//		cout << val << " " << A[pos] << "\n";
		if(con[val].empty()) update(1, 0, mac, val, val, pos + 1);
		else if(*con[val].begin() < pos) {
			update(1, 0, mac, val, val, pos - *con[val].begin());
		}
		con[val].insert(pos);
		update(1, 0, mac, val, mac, -1);
//		tt(1, 0, mac);
//		cout << "\n\n";
		ans[i] = tree[1];
	}
	return ans;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:59:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < tmp.size(); i++) {
                 ~~^~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47360 KB Output is correct
2 Correct 34 ms 47488 KB Output is correct
3 Correct 37 ms 47744 KB Output is correct
4 Correct 36 ms 47736 KB Output is correct
5 Correct 37 ms 47864 KB Output is correct
6 Correct 38 ms 47740 KB Output is correct
7 Correct 43 ms 47864 KB Output is correct
8 Correct 36 ms 47744 KB Output is correct
9 Correct 37 ms 47872 KB Output is correct
10 Correct 36 ms 47744 KB Output is correct
11 Correct 36 ms 47864 KB Output is correct
12 Correct 36 ms 47744 KB Output is correct
13 Correct 36 ms 47864 KB Output is correct
14 Correct 36 ms 47744 KB Output is correct
15 Correct 42 ms 47744 KB Output is correct
16 Correct 35 ms 47692 KB Output is correct
17 Correct 36 ms 47740 KB Output is correct
18 Correct 41 ms 47736 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47360 KB Output is correct
2 Correct 34 ms 47488 KB Output is correct
3 Correct 37 ms 47744 KB Output is correct
4 Correct 36 ms 47736 KB Output is correct
5 Correct 37 ms 47864 KB Output is correct
6 Correct 38 ms 47740 KB Output is correct
7 Correct 43 ms 47864 KB Output is correct
8 Correct 36 ms 47744 KB Output is correct
9 Correct 37 ms 47872 KB Output is correct
10 Correct 36 ms 47744 KB Output is correct
11 Correct 36 ms 47864 KB Output is correct
12 Correct 36 ms 47744 KB Output is correct
13 Correct 36 ms 47864 KB Output is correct
14 Correct 36 ms 47744 KB Output is correct
15 Correct 42 ms 47744 KB Output is correct
16 Correct 35 ms 47692 KB Output is correct
17 Correct 36 ms 47740 KB Output is correct
18 Correct 41 ms 47736 KB Output is correct
19 Correct 53 ms 49016 KB Output is correct
20 Correct 58 ms 49272 KB Output is correct
21 Correct 58 ms 49216 KB Output is correct
22 Correct 58 ms 49272 KB Output is correct
23 Correct 60 ms 49152 KB Output is correct
24 Correct 55 ms 49144 KB Output is correct
25 Correct 56 ms 49016 KB Output is correct
26 Correct 56 ms 49016 KB Output is correct
27 Correct 59 ms 49016 KB Output is correct
28 Correct 56 ms 49016 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 49016 KB Output is correct
2 Correct 87 ms 50652 KB Output is correct
3 Correct 127 ms 52276 KB Output is correct
4 Correct 138 ms 52148 KB Output is correct
5 Correct 124 ms 52276 KB Output is correct
6 Correct 127 ms 52276 KB Output is correct
7 Correct 121 ms 52148 KB Output is correct
8 Correct 123 ms 52276 KB Output is correct
9 Correct 133 ms 52252 KB Output is correct
10 Correct 110 ms 52280 KB Output is correct
11 Correct 110 ms 52276 KB Output is correct
12 Correct 105 ms 52252 KB Output is correct
13 Correct 105 ms 52276 KB Output is correct
14 Correct 107 ms 52280 KB Output is correct
15 Correct 104 ms 52276 KB Output is correct
16 Correct 104 ms 52276 KB Output is correct
17 Correct 102 ms 52276 KB Output is correct
18 Correct 104 ms 52276 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 47360 KB Output is correct
2 Correct 34 ms 47488 KB Output is correct
3 Correct 37 ms 47744 KB Output is correct
4 Correct 36 ms 47736 KB Output is correct
5 Correct 37 ms 47864 KB Output is correct
6 Correct 38 ms 47740 KB Output is correct
7 Correct 43 ms 47864 KB Output is correct
8 Correct 36 ms 47744 KB Output is correct
9 Correct 37 ms 47872 KB Output is correct
10 Correct 36 ms 47744 KB Output is correct
11 Correct 36 ms 47864 KB Output is correct
12 Correct 36 ms 47744 KB Output is correct
13 Correct 36 ms 47864 KB Output is correct
14 Correct 36 ms 47744 KB Output is correct
15 Correct 42 ms 47744 KB Output is correct
16 Correct 35 ms 47692 KB Output is correct
17 Correct 36 ms 47740 KB Output is correct
18 Correct 41 ms 47736 KB Output is correct
19 Correct 53 ms 49016 KB Output is correct
20 Correct 58 ms 49272 KB Output is correct
21 Correct 58 ms 49216 KB Output is correct
22 Correct 58 ms 49272 KB Output is correct
23 Correct 60 ms 49152 KB Output is correct
24 Correct 55 ms 49144 KB Output is correct
25 Correct 56 ms 49016 KB Output is correct
26 Correct 56 ms 49016 KB Output is correct
27 Correct 59 ms 49016 KB Output is correct
28 Correct 56 ms 49016 KB Output is correct
29 Correct 56 ms 49016 KB Output is correct
30 Correct 87 ms 50652 KB Output is correct
31 Correct 127 ms 52276 KB Output is correct
32 Correct 138 ms 52148 KB Output is correct
33 Correct 124 ms 52276 KB Output is correct
34 Correct 127 ms 52276 KB Output is correct
35 Correct 121 ms 52148 KB Output is correct
36 Correct 123 ms 52276 KB Output is correct
37 Correct 133 ms 52252 KB Output is correct
38 Correct 110 ms 52280 KB Output is correct
39 Correct 110 ms 52276 KB Output is correct
40 Correct 105 ms 52252 KB Output is correct
41 Correct 105 ms 52276 KB Output is correct
42 Correct 107 ms 52280 KB Output is correct
43 Correct 104 ms 52276 KB Output is correct
44 Correct 104 ms 52276 KB Output is correct
45 Correct 102 ms 52276 KB Output is correct
46 Correct 104 ms 52276 KB Output is correct
47 Correct 1067 ms 86448 KB Output is correct
48 Correct 4238 ms 156992 KB Output is correct
49 Correct 4730 ms 166732 KB Output is correct
50 Correct 4520 ms 166660 KB Output is correct
51 Correct 4637 ms 166692 KB Output is correct
52 Correct 4915 ms 166768 KB Output is correct
53 Correct 4543 ms 166844 KB Output is correct
54 Correct 4132 ms 166672 KB Output is correct
55 Correct 4639 ms 166908 KB Output is correct
56 Correct 4266 ms 166960 KB Output is correct
57 Correct 4437 ms 166868 KB Output is correct
58 Correct 4567 ms 166740 KB Output is correct
59 Correct 3824 ms 159832 KB Output is correct
60 Correct 3817 ms 159868 KB Output is correct
61 Correct 3916 ms 159856 KB Output is correct
62 Correct 3425 ms 156596 KB Output is correct
63 Correct 3548 ms 156772 KB Output is correct
64 Correct 3351 ms 156872 KB Output is correct
65 Correct 3092 ms 153564 KB Output is correct
66 Correct 3239 ms 153592 KB Output is correct
67 Correct 3136 ms 153684 KB Output is correct