Submission #753402

# Submission time Handle Problem Language Result Execution time Memory
753402 2023-06-05T07:27:33 Z MetalPower Bubble Sort 2 (JOI18_bubblesort2) C++14
60 / 100
455 ms 50404 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 = 5e5 + 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;
      |              ~~^~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 400 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 5 ms 448 KB Output is correct
6 Correct 5 ms 452 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 6 ms 468 KB Output is correct
9 Correct 5 ms 452 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 456 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 536 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 400 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 5 ms 448 KB Output is correct
6 Correct 5 ms 452 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 6 ms 468 KB Output is correct
9 Correct 5 ms 452 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 456 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 536 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 15 ms 1108 KB Output is correct
20 Correct 17 ms 1096 KB Output is correct
21 Correct 17 ms 1108 KB Output is correct
22 Correct 17 ms 1180 KB Output is correct
23 Correct 16 ms 1180 KB Output is correct
24 Correct 16 ms 1100 KB Output is correct
25 Correct 16 ms 1080 KB Output is correct
26 Correct 16 ms 1108 KB Output is correct
27 Correct 15 ms 1108 KB Output is correct
28 Correct 16 ms 1072 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 25 ms 1488 KB Output is correct
2 Correct 69 ms 3140 KB Output is correct
3 Correct 126 ms 5440 KB Output is correct
4 Correct 121 ms 5428 KB Output is correct
5 Correct 128 ms 5548 KB Output is correct
6 Correct 137 ms 5444 KB Output is correct
7 Correct 120 ms 5552 KB Output is correct
8 Correct 122 ms 5568 KB Output is correct
9 Correct 130 ms 5464 KB Output is correct
10 Correct 101 ms 4588 KB Output is correct
11 Correct 99 ms 4572 KB Output is correct
12 Correct 99 ms 4500 KB Output is correct
13 Correct 99 ms 4636 KB Output is correct
14 Correct 97 ms 4476 KB Output is correct
15 Correct 97 ms 4532 KB Output is correct
16 Correct 94 ms 4528 KB Output is correct
17 Correct 96 ms 4556 KB Output is correct
18 Correct 96 ms 4504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 400 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 5 ms 448 KB Output is correct
6 Correct 5 ms 452 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 6 ms 468 KB Output is correct
9 Correct 5 ms 452 KB Output is correct
10 Correct 6 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 4 ms 456 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 536 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 5 ms 468 KB Output is correct
19 Correct 15 ms 1108 KB Output is correct
20 Correct 17 ms 1096 KB Output is correct
21 Correct 17 ms 1108 KB Output is correct
22 Correct 17 ms 1180 KB Output is correct
23 Correct 16 ms 1180 KB Output is correct
24 Correct 16 ms 1100 KB Output is correct
25 Correct 16 ms 1080 KB Output is correct
26 Correct 16 ms 1108 KB Output is correct
27 Correct 15 ms 1108 KB Output is correct
28 Correct 16 ms 1072 KB Output is correct
29 Correct 25 ms 1488 KB Output is correct
30 Correct 69 ms 3140 KB Output is correct
31 Correct 126 ms 5440 KB Output is correct
32 Correct 121 ms 5428 KB Output is correct
33 Correct 128 ms 5548 KB Output is correct
34 Correct 137 ms 5444 KB Output is correct
35 Correct 120 ms 5552 KB Output is correct
36 Correct 122 ms 5568 KB Output is correct
37 Correct 130 ms 5464 KB Output is correct
38 Correct 101 ms 4588 KB Output is correct
39 Correct 99 ms 4572 KB Output is correct
40 Correct 99 ms 4500 KB Output is correct
41 Correct 99 ms 4636 KB Output is correct
42 Correct 97 ms 4476 KB Output is correct
43 Correct 97 ms 4532 KB Output is correct
44 Correct 94 ms 4528 KB Output is correct
45 Correct 96 ms 4556 KB Output is correct
46 Correct 96 ms 4504 KB Output is correct
47 Correct 455 ms 20080 KB Output is correct
48 Runtime error 288 ms 50404 KB Execution killed with signal 11
49 Halted 0 ms 0 KB -