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답안 #753405

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
753405 2023-06-05T07:29:24 Z MetalPower Bubble Sort 2 (JOI18_bubblesort2) C++14
100 / 100
 2491 ms 55388 KB 
#include "bubblesort2.h"

#include <bits/stdc++.h>
using namespace std;

#define pii pair<int, int>
#define fi first
#define se second

const int MX = 1e6 + 10;

struct segtree{
	int st[MX << 2], lz[MX << 2];

	void prop(int id, int l, int r){
		if(lz[id] == 0) return;
		st[id] += lz[id];
		if(l != r){
			lz[id << 1] += lz[id];
			lz[id << 1|1] += lz[id];
		}
		lz[id] = 0;
	}

	void upd(int id, int from, int to, int l, int r, int v){
		if(to < from) return;
		// if(id == 1) cout << "update " << from << " to " << to << " value " << v << '\n';
		prop(id, l, r);
		if(r < from || l > to) return;
		if(from <= l && r <= to){
			lz[id] += v;
			prop(id, l, r);
		}else{
			int mid = l + r >> 1;
			upd(id << 1, from, to, l, mid, v);
			upd(id << 1|1, from, to, mid + 1, r, v);
			st[id] = max(st[id << 1], st[id << 1|1]);
		}
	}

	int que(int id, int from, int to, int l, int r){
		prop(id, l, r);
		if(r < from || l > to) return 0;
		if(from <= l && r <= to){
			return st[id];
		}else{
			int mid = l + r >> 1;
			return max(
				que(id << 1, from, to, l, mid),
				que(id << 1|1, from, to, mid + 1, r)
			);
		}
	}
} S;

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V){
	
	vector<pii> vec;
	for(int i = 0; i < (int) A.size(); i++) vec.push_back({A[i], i});
	for(int i = 0; i < (int) X.size(); i++) vec.push_back({V[i], X[i]});

	sort(vec.begin(), vec.end());
	vec.resize(unique(vec.begin(), vec.end()) - vec.begin());

	int M = vec.size();

	for(int i = 0; i < (int) A.size(); i++){
		int idx = lower_bound(vec.begin(), vec.end(), make_pair(A[i], i)) - vec.begin();
		S.upd(1, idx, idx, 0, M - 1, i);
		S.upd(1, idx + 1, M - 1, 0, M - 1, -1);
	}

	vector<int> pos = A, ans;

	for(int i = 0; i < (int) X.size(); i++){
		int prev_idx = lower_bound(vec.begin(), vec.end(), make_pair(pos[X[i]], X[i])) - vec.begin();
		int curr_idx = lower_bound(vec.begin(), vec.end(), make_pair(V[i], X[i])) - vec.begin();
		S.upd(1, prev_idx, prev_idx, 0, M - 1, -X[i]);
		S.upd(1, prev_idx + 1, M - 1, 0, M - 1, 1);
		S.upd(1, curr_idx, curr_idx, 0, M - 1, X[i]);
		S.upd(1, curr_idx + 1, M - 1, 0, M - 1, -1);
		ans.push_back(S.que(1, 0, M - 1, 0, M - 1));
		pos[X[i]] = V[i];
	}

	return ans;
}

Compilation message

bubblesort2.cpp: In member function 'void segtree::upd(int, int, int, int, int, int)':
bubblesort2.cpp:34:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   34 |    int mid = l + r >> 1;
      |              ~~^~~
bubblesort2.cpp: In member function 'int segtree::que(int, int, int, int, int)':
bubblesort2.cpp:47:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   47 |    int mid = l + r >> 1;
      |              ~~^~~

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 5 ms 496 KB Output is correct
6 Correct 4 ms 496 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 5 ms 488 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 7 ms 496 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 468 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 5 ms 496 KB Output is correct
6 Correct 4 ms 496 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 5 ms 488 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 7 ms 496 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 468 KB Output is correct
19 Correct 16 ms 980 KB Output is correct
20 Correct 18 ms 980 KB Output is correct
21 Correct 18 ms 928 KB Output is correct
22 Correct 17 ms 980 KB Output is correct
23 Correct 17 ms 980 KB Output is correct
24 Correct 17 ms 980 KB Output is correct
25 Correct 17 ms 992 KB Output is correct
26 Correct 16 ms 980 KB Output is correct
27 Correct 18 ms 980 KB Output is correct
28 Correct 15 ms 912 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 1360 KB Output is correct
2 Correct 75 ms 2884 KB Output is correct
3 Correct 149 ms 4932 KB Output is correct
4 Correct 125 ms 4968 KB Output is correct
5 Correct 122 ms 4984 KB Output is correct
6 Correct 125 ms 4940 KB Output is correct
7 Correct 119 ms 4928 KB Output is correct
8 Correct 133 ms 4860 KB Output is correct
9 Correct 128 ms 4944 KB Output is correct
10 Correct 118 ms 3904 KB Output is correct
11 Correct 97 ms 3892 KB Output is correct
12 Correct 96 ms 3928 KB Output is correct
13 Correct 101 ms 3904 KB Output is correct
14 Correct 105 ms 3876 KB Output is correct
15 Correct 96 ms 3900 KB Output is correct
16 Correct 90 ms 3880 KB Output is correct
17 Correct 97 ms 3924 KB Output is correct
18 Correct 96 ms 3880 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 5 ms 496 KB Output is correct
6 Correct 4 ms 496 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 5 ms 488 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 7 ms 496 KB Output is correct
13 Correct 4 ms 468 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 468 KB Output is correct
19 Correct 16 ms 980 KB Output is correct
20 Correct 18 ms 980 KB Output is correct
21 Correct 18 ms 928 KB Output is correct
22 Correct 17 ms 980 KB Output is correct
23 Correct 17 ms 980 KB Output is correct
24 Correct 17 ms 980 KB Output is correct
25 Correct 17 ms 992 KB Output is correct
26 Correct 16 ms 980 KB Output is correct
27 Correct 18 ms 980 KB Output is correct
28 Correct 15 ms 912 KB Output is correct
29 Correct 23 ms 1360 KB Output is correct
30 Correct 75 ms 2884 KB Output is correct
31 Correct 149 ms 4932 KB Output is correct
32 Correct 125 ms 4968 KB Output is correct
33 Correct 122 ms 4984 KB Output is correct
34 Correct 125 ms 4940 KB Output is correct
35 Correct 119 ms 4928 KB Output is correct
36 Correct 133 ms 4860 KB Output is correct
37 Correct 128 ms 4944 KB Output is correct
38 Correct 118 ms 3904 KB Output is correct
39 Correct 97 ms 3892 KB Output is correct
40 Correct 96 ms 3928 KB Output is correct
41 Correct 101 ms 3904 KB Output is correct
42 Correct 105 ms 3876 KB Output is correct
43 Correct 96 ms 3900 KB Output is correct
44 Correct 90 ms 3880 KB Output is correct
45 Correct 97 ms 3924 KB Output is correct
46 Correct 96 ms 3880 KB Output is correct
47 Correct 471 ms 16344 KB Output is correct
48 Correct 2009 ms 40396 KB Output is correct
49 Correct 1995 ms 55388 KB Output is correct
50 Correct 2316 ms 55232 KB Output is correct
51 Correct 2037 ms 55188 KB Output is correct
52 Correct 2013 ms 55284 KB Output is correct
53 Correct 2491 ms 55180 KB Output is correct
54 Correct 1924 ms 55384 KB Output is correct
55 Correct 2021 ms 55364 KB Output is correct
56 Correct 1883 ms 55284 KB Output is correct
57 Correct 2074 ms 55384 KB Output is correct
58 Correct 1818 ms 55368 KB Output is correct
59 Correct 1707 ms 54012 KB Output is correct
60 Correct 1761 ms 54156 KB Output is correct
61 Correct 1715 ms 54032 KB Output is correct
62 Correct 1651 ms 53916 KB Output is correct
63 Correct 1620 ms 53884 KB Output is correct
64 Correct 1730 ms 53848 KB Output is correct
65 Correct 1556 ms 53600 KB Output is correct
66 Correct 1559 ms 53752 KB Output is correct
67 Correct 1526 ms 53720 KB Output is correct