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답안 #1027025

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1027025 2024-07-18T18:55:23 Z bane Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 3172 ms 152220 KB 
#include "bubblesort2.h"
#include "bits/stdc++.h"

using namespace std;

map<int,int> compress;
int n = 1;

struct segment_tree{
	int t[1'000'001 * 3], lz[1'000'001 * 3];

	void build(int l = 0, int r = n - 1, int k = 1){
		if (l == r){
			t[k] = 0;
			lz[k] = 0;
			return;
		}
		build(l,(l+r)/2,k*2);
		build((l+r)/2+1,r,k*2+1);
		t[k] = 0;
		lz[k] = 0;
	}

	void push(int k, int l, int r){
		t[k] += lz[k];
		if (l != r){
			lz[k * 2] += lz[k];
			lz[k * 2 + 1] += lz[k];
		}
		lz[k] = 0;
	}

	void upd(int l, int r, int k, int L, int R, int V){
		//cout << l << " " << r << " " << L << " " << R << " " << V << endl;
		push(k,l,r);
		if (l > R || r < L)return;
		if (l >= L && r <= R){
			lz[k] += V;
			push(k,l,r);
			return;
		}
		int mid = (l+r) / 2;
		upd(l,mid,k*2,L,R,V);
		upd(mid+1,r,k*2+1,L,R,V);
		t[k] = max(t[k * 2], t[k * 2 + 1]);
	}

	int get(int W, int l = 0, int r = n - 1, int k = 1){
		push(k,l,r);
		if (l == r){
			return t[k];
		}
		int mid = (l+r)/2;
		if (W <= mid)return get(W,l,mid,k*2);
		else return get(W,mid+1,r,k*2+1);
	}
} st;
vector<int> countScans(vector<int> A, vector<int> X,vector<int> V){
	int Q = X.size();
	vector<int> answer(Q);
	
	vector<vector<int>> AllElements;
	for (int i = 0; i < (int)A.size(); i++)AllElements.push_back({A[i], i, 1});
	for (int i = 0; i < (int)V.size(); i++)AllElements.push_back({V[i], i, 2});
	sort(AllElements.begin(), AllElements.end());
	vector<int>AI((int)A.size());
	vector<int>VI((int)V.size());
	for (int i = 0; i < (int)AllElements.size(); i++){
		if (AllElements[i][2] == 2){
			VI[AllElements[i][1]] = i;
		}else{
			AI[AllElements[i][1]] = i;
		}
		if (!i || AllElements[i][0] != AllElements[i - 1][0])compress[AllElements[i][0]] = i;
		
	}
	n = (int) AllElements.size();
	st.build();
	for (int i = 0; i < (int)A.size(); i++){
		st.upd(0,n-1,1,compress[A[i]],n - 1, -1);
		st.upd(0,n-1,1,AI[i], AI[i], i + 1);
		//for (int j = 0; j < n; j++)cout << st.get(j) << ' ';
		//cout << endl;
	}

	for (int i = 0; i < (int)X.size(); i++){
		st.upd(0,n-1,1,compress[A[X[i]]], n - 1, 1);
		st.upd(0,n-1,1,AI[X[i]], AI[X[i]], -X[i] - 1);

		A[X[i]] = V[i];
		AI[X[i]] = VI[i];

		st.upd(0,n-1,1,compress[A[X[i]]],n - 1, -1);
		st.upd(0,n-1,1,AI[X[i]], AI[X[i]], X[i] + 1);
		//for (int j = 0; j < n; j++)cout << st.get(j) << ' ';
		//cout << endl;
		st.push(1,0,n-1);
		answer[i] = st.t[1];
	}
	return answer;
}

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2548 KB Output is correct
3 Correct 4 ms 2908 KB Output is correct
4 Correct 4 ms 2908 KB Output is correct
5 Correct 4 ms 3056 KB Output is correct
6 Correct 4 ms 2908 KB Output is correct
7 Correct 6 ms 2908 KB Output is correct
8 Correct 4 ms 2908 KB Output is correct
9 Correct 4 ms 2908 KB Output is correct
10 Correct 4 ms 3000 KB Output is correct
11 Correct 4 ms 2908 KB Output is correct
12 Correct 4 ms 2908 KB Output is correct
13 Correct 4 ms 2812 KB Output is correct
14 Correct 4 ms 3016 KB Output is correct
15 Correct 4 ms 2916 KB Output is correct
16 Correct 4 ms 2908 KB Output is correct
17 Correct 6 ms 2908 KB Output is correct
18 Correct 4 ms 2908 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2548 KB Output is correct
3 Correct 4 ms 2908 KB Output is correct
4 Correct 4 ms 2908 KB Output is correct
5 Correct 4 ms 3056 KB Output is correct
6 Correct 4 ms 2908 KB Output is correct
7 Correct 6 ms 2908 KB Output is correct
8 Correct 4 ms 2908 KB Output is correct
9 Correct 4 ms 2908 KB Output is correct
10 Correct 4 ms 3000 KB Output is correct
11 Correct 4 ms 2908 KB Output is correct
12 Correct 4 ms 2908 KB Output is correct
13 Correct 4 ms 2812 KB Output is correct
14 Correct 4 ms 3016 KB Output is correct
15 Correct 4 ms 2916 KB Output is correct
16 Correct 4 ms 2908 KB Output is correct
17 Correct 6 ms 2908 KB Output is correct
18 Correct 4 ms 2908 KB Output is correct
19 Correct 17 ms 4360 KB Output is correct
20 Correct 18 ms 4484 KB Output is correct
21 Correct 17 ms 4504 KB Output is correct
22 Correct 18 ms 4504 KB Output is correct
23 Correct 17 ms 4504 KB Output is correct
24 Correct 17 ms 4504 KB Output is correct
25 Correct 25 ms 4504 KB Output is correct
26 Correct 16 ms 4504 KB Output is correct
27 Correct 16 ms 4336 KB Output is correct
28 Correct 17 ms 4504 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 6676 KB Output is correct
2 Correct 63 ms 9488 KB Output is correct
3 Correct 93 ms 14348 KB Output is correct
4 Correct 95 ms 14340 KB Output is correct
5 Correct 86 ms 14348 KB Output is correct
6 Correct 82 ms 14560 KB Output is correct
7 Correct 81 ms 14348 KB Output is correct
8 Correct 86 ms 14856 KB Output is correct
9 Correct 87 ms 14340 KB Output is correct
10 Correct 73 ms 14596 KB Output is correct
11 Correct 79 ms 14596 KB Output is correct
12 Correct 78 ms 15308 KB Output is correct
13 Correct 77 ms 14612 KB Output is correct
14 Correct 80 ms 14596 KB Output is correct
15 Correct 79 ms 14596 KB Output is correct
16 Correct 80 ms 14860 KB Output is correct
17 Correct 77 ms 14592 KB Output is correct
18 Correct 78 ms 14596 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2548 KB Output is correct
3 Correct 4 ms 2908 KB Output is correct
4 Correct 4 ms 2908 KB Output is correct
5 Correct 4 ms 3056 KB Output is correct
6 Correct 4 ms 2908 KB Output is correct
7 Correct 6 ms 2908 KB Output is correct
8 Correct 4 ms 2908 KB Output is correct
9 Correct 4 ms 2908 KB Output is correct
10 Correct 4 ms 3000 KB Output is correct
11 Correct 4 ms 2908 KB Output is correct
12 Correct 4 ms 2908 KB Output is correct
13 Correct 4 ms 2812 KB Output is correct
14 Correct 4 ms 3016 KB Output is correct
15 Correct 4 ms 2916 KB Output is correct
16 Correct 4 ms 2908 KB Output is correct
17 Correct 6 ms 2908 KB Output is correct
18 Correct 4 ms 2908 KB Output is correct
19 Correct 17 ms 4360 KB Output is correct
20 Correct 18 ms 4484 KB Output is correct
21 Correct 17 ms 4504 KB Output is correct
22 Correct 18 ms 4504 KB Output is correct
23 Correct 17 ms 4504 KB Output is correct
24 Correct 17 ms 4504 KB Output is correct
25 Correct 25 ms 4504 KB Output is correct
26 Correct 16 ms 4504 KB Output is correct
27 Correct 16 ms 4336 KB Output is correct
28 Correct 17 ms 4504 KB Output is correct
29 Correct 18 ms 6676 KB Output is correct
30 Correct 63 ms 9488 KB Output is correct
31 Correct 93 ms 14348 KB Output is correct
32 Correct 95 ms 14340 KB Output is correct
33 Correct 86 ms 14348 KB Output is correct
34 Correct 82 ms 14560 KB Output is correct
35 Correct 81 ms 14348 KB Output is correct
36 Correct 86 ms 14856 KB Output is correct
37 Correct 87 ms 14340 KB Output is correct
38 Correct 73 ms 14596 KB Output is correct
39 Correct 79 ms 14596 KB Output is correct
40 Correct 78 ms 15308 KB Output is correct
41 Correct 77 ms 14612 KB Output is correct
42 Correct 80 ms 14596 KB Output is correct
43 Correct 79 ms 14596 KB Output is correct
44 Correct 80 ms 14860 KB Output is correct
45 Correct 77 ms 14592 KB Output is correct
46 Correct 78 ms 14596 KB Output is correct
47 Correct 491 ms 50784 KB Output is correct
48 Correct 2389 ms 141556 KB Output is correct
49 Correct 2563 ms 151272 KB Output is correct
50 Correct 2643 ms 151276 KB Output is correct
51 Correct 2659 ms 151784 KB Output is correct
52 Correct 2799 ms 152220 KB Output is correct
53 Correct 3172 ms 151268 KB Output is correct
54 Correct 2519 ms 149960 KB Output is correct
55 Correct 2599 ms 150472 KB Output is correct
56 Correct 2455 ms 150344 KB Output is correct
57 Correct 2666 ms 151356 KB Output is correct
58 Correct 2420 ms 151788 KB Output is correct
59 Correct 2017 ms 145008 KB Output is correct
60 Correct 2112 ms 144416 KB Output is correct
61 Correct 1926 ms 144240 KB Output is correct
62 Correct 1980 ms 142068 KB Output is correct
63 Correct 1876 ms 140400 KB Output is correct
64 Correct 1874 ms 142056 KB Output is correct
65 Correct 1643 ms 137880 KB Output is correct
66 Correct 1840 ms 139076 KB Output is correct
67 Correct 1855 ms 138100 KB Output is correct