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Submission #1055090

# Submission time Handle Problem Language Result Execution time Memory
1055090 2024-08-12T14:35:21 Z aymanrs Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 833 ms 65680 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
const int N = 1e6;
int ind[N];
int st[4*N+10], lz[4*N+10] = {0};
int cons(int i, int l, int r){
	if(l==r) return st[i] = ind[l];
	int m = l+r>>1;
	return st[i] = max(cons(i<<1, l, m),cons(i<<1|1, m+1, r));
}
void upd(int i, int l, int r, int a, int v){
	if(lz[i]){
		st[i]+=lz[i];
		if(l!=r){
			lz[i<<1]+=lz[i];
			lz[i<<1|1] += lz[i];
		}
		lz[i]=0;
	}
	if(r<a)return;
	if(a<=l){
		st[i]+=v;
		if(l!=r){
			lz[i<<1]+=v;
			lz[i<<1|1]+=v;
		}
		return;
	}
	int m = l+r>>1;
	upd(i<<1, l, m, a, v);
	upd(i<<1|1, m+1, r, a, v);
	st[i]=max(st[i<<1],st[i<<1|1]);
}
void updind(int i, int l, int r, int iind, int newind){
	if(lz[i]){
		st[i]+=lz[i];
		if(l!=r){
			lz[i<<1]+=lz[i];
			lz[i<<1|1] += lz[i];
		}
		lz[i]=0;
	}
	if(l==r){
		st[i] += newind-ind[l];
		ind[l] = newind;
		return;
	}
	int m = l+r>>1;
	if(iind <= m) updind(i<<1, l, m, iind, newind);
	else updind(i<<1|1, m+1, r, iind, newind);
	st[i] = max(st[i<<1]+lz[i<<1], st[i<<1|1]+lz[i<<1|1]);
}
std::vector<int> countScans(std::vector<int> A,std::vector<int> X,std::vector<int> V){
	int n=A.size(), q = X.size();
	long long a[n], v[q], tot[n+q];for(int i = 0;i < n;i++) tot[i] = a[i] = (long long)A[i]*n+i;
	for(int i = 0;i < q;i++) tot[i+n] = v[i] = (long long)V[i]*n+X[i];
	sort(tot, tot+n+q);
	fill(ind,ind+N,-1);
	for(int i = 0;i < n;i++) {
		a[i] = lower_bound(tot, tot+n+q, a[i])-tot;
		ind[a[i]]=i;
	}
	for(int i = 0;i < q;i++) v[i] = lower_bound(tot, tot+n+q, v[i])-tot;
	cons(1, 0, N-1);
	for(int i = 0;i < n;i++){
		upd(1, 0, N-1, a[i]+1, -1);
	}
	vector<int> ans(q);
	for(int _ = 0;_ < q;_++){
		int i = X[_];
		updind(1, 0, N-1, a[i], -1);
		updind(1, 0, N-1, v[_], i);
		upd(1, 0, N-1, a[i]+1, 1);
		upd(1, 0, N-1, v[_]+1, -1);
		a[i]=v[_];
		ans[_]=st[1];
	}
	return ans;
}

Compilation message

bubblesort2.cpp: In function 'int cons(int, int, int)':
bubblesort2.cpp:11:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   11 |  int m = l+r>>1;
      |          ~^~
bubblesort2.cpp: In function 'void upd(int, int, int, int, int)':
bubblesort2.cpp:32:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |  int m = l+r>>1;
      |          ~^~
bubblesort2.cpp: In function 'void updind(int, int, int, int, int)':
bubblesort2.cpp:51:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |  int m = l+r>>1;
      |          ~^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14936 KB Output is correct
2 Correct 5 ms 16988 KB Output is correct
3 Correct 7 ms 19032 KB Output is correct
4 Correct 6 ms 15088 KB Output is correct
5 Correct 6 ms 17168 KB Output is correct
6 Correct 6 ms 15124 KB Output is correct
7 Correct 6 ms 15184 KB Output is correct
8 Correct 6 ms 15120 KB Output is correct
9 Correct 7 ms 17244 KB Output is correct
10 Correct 6 ms 15196 KB Output is correct
11 Correct 7 ms 17240 KB Output is correct
12 Correct 7 ms 16984 KB Output is correct
13 Correct 6 ms 15196 KB Output is correct
14 Correct 6 ms 15196 KB Output is correct
15 Correct 7 ms 17096 KB Output is correct
16 Correct 6 ms 15196 KB Output is correct
17 Correct 7 ms 15096 KB Output is correct
18 Correct 6 ms 17236 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14936 KB Output is correct
2 Correct 5 ms 16988 KB Output is correct
3 Correct 7 ms 19032 KB Output is correct
4 Correct 6 ms 15088 KB Output is correct
5 Correct 6 ms 17168 KB Output is correct
6 Correct 6 ms 15124 KB Output is correct
7 Correct 6 ms 15184 KB Output is correct
8 Correct 6 ms 15120 KB Output is correct
9 Correct 7 ms 17244 KB Output is correct
10 Correct 6 ms 15196 KB Output is correct
11 Correct 7 ms 17240 KB Output is correct
12 Correct 7 ms 16984 KB Output is correct
13 Correct 6 ms 15196 KB Output is correct
14 Correct 6 ms 15196 KB Output is correct
15 Correct 7 ms 17096 KB Output is correct
16 Correct 6 ms 15196 KB Output is correct
17 Correct 7 ms 15096 KB Output is correct
18 Correct 6 ms 17236 KB Output is correct
19 Correct 13 ms 17500 KB Output is correct
20 Correct 14 ms 15592 KB Output is correct
21 Correct 13 ms 15596 KB Output is correct
22 Correct 15 ms 17604 KB Output is correct
23 Correct 13 ms 15708 KB Output is correct
24 Correct 13 ms 15804 KB Output is correct
25 Correct 13 ms 15708 KB Output is correct
26 Correct 13 ms 15708 KB Output is correct
27 Correct 13 ms 15708 KB Output is correct
28 Correct 14 ms 17756 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 17756 KB Output is correct
2 Correct 40 ms 21392 KB Output is correct
3 Correct 68 ms 21136 KB Output is correct
4 Correct 69 ms 22860 KB Output is correct
5 Correct 70 ms 22864 KB Output is correct
6 Correct 68 ms 22868 KB Output is correct
7 Correct 68 ms 20956 KB Output is correct
8 Correct 79 ms 21088 KB Output is correct
9 Correct 67 ms 21152 KB Output is correct
10 Correct 66 ms 21288 KB Output is correct
11 Correct 59 ms 21072 KB Output is correct
12 Correct 67 ms 22864 KB Output is correct
13 Correct 57 ms 22868 KB Output is correct
14 Correct 57 ms 22904 KB Output is correct
15 Correct 60 ms 21216 KB Output is correct
16 Correct 58 ms 21076 KB Output is correct
17 Correct 62 ms 23056 KB Output is correct
18 Correct 58 ms 21084 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 14936 KB Output is correct
2 Correct 5 ms 16988 KB Output is correct
3 Correct 7 ms 19032 KB Output is correct
4 Correct 6 ms 15088 KB Output is correct
5 Correct 6 ms 17168 KB Output is correct
6 Correct 6 ms 15124 KB Output is correct
7 Correct 6 ms 15184 KB Output is correct
8 Correct 6 ms 15120 KB Output is correct
9 Correct 7 ms 17244 KB Output is correct
10 Correct 6 ms 15196 KB Output is correct
11 Correct 7 ms 17240 KB Output is correct
12 Correct 7 ms 16984 KB Output is correct
13 Correct 6 ms 15196 KB Output is correct
14 Correct 6 ms 15196 KB Output is correct
15 Correct 7 ms 17096 KB Output is correct
16 Correct 6 ms 15196 KB Output is correct
17 Correct 7 ms 15096 KB Output is correct
18 Correct 6 ms 17236 KB Output is correct
19 Correct 13 ms 17500 KB Output is correct
20 Correct 14 ms 15592 KB Output is correct
21 Correct 13 ms 15596 KB Output is correct
22 Correct 15 ms 17604 KB Output is correct
23 Correct 13 ms 15708 KB Output is correct
24 Correct 13 ms 15804 KB Output is correct
25 Correct 13 ms 15708 KB Output is correct
26 Correct 13 ms 15708 KB Output is correct
27 Correct 13 ms 15708 KB Output is correct
28 Correct 14 ms 17756 KB Output is correct
29 Correct 15 ms 17756 KB Output is correct
30 Correct 40 ms 21392 KB Output is correct
31 Correct 68 ms 21136 KB Output is correct
32 Correct 69 ms 22860 KB Output is correct
33 Correct 70 ms 22864 KB Output is correct
34 Correct 68 ms 22868 KB Output is correct
35 Correct 68 ms 20956 KB Output is correct
36 Correct 79 ms 21088 KB Output is correct
37 Correct 67 ms 21152 KB Output is correct
38 Correct 66 ms 21288 KB Output is correct
39 Correct 59 ms 21072 KB Output is correct
40 Correct 67 ms 22864 KB Output is correct
41 Correct 57 ms 22868 KB Output is correct
42 Correct 57 ms 22904 KB Output is correct
43 Correct 60 ms 21216 KB Output is correct
44 Correct 58 ms 21076 KB Output is correct
45 Correct 62 ms 23056 KB Output is correct
46 Correct 58 ms 21084 KB Output is correct
47 Correct 218 ms 30544 KB Output is correct
48 Correct 769 ms 61804 KB Output is correct
49 Correct 819 ms 65360 KB Output is correct
50 Correct 822 ms 65364 KB Output is correct
51 Correct 806 ms 65420 KB Output is correct
52 Correct 800 ms 65452 KB Output is correct
53 Correct 833 ms 65556 KB Output is correct
54 Correct 782 ms 65680 KB Output is correct
55 Correct 816 ms 65616 KB Output is correct
56 Correct 787 ms 65604 KB Output is correct
57 Correct 830 ms 65620 KB Output is correct
58 Correct 794 ms 65620 KB Output is correct
59 Correct 756 ms 64216 KB Output is correct
60 Correct 741 ms 64336 KB Output is correct
61 Correct 733 ms 64148 KB Output is correct
62 Correct 722 ms 64068 KB Output is correct
63 Correct 727 ms 64084 KB Output is correct
64 Correct 752 ms 64148 KB Output is correct
65 Correct 730 ms 64084 KB Output is correct
66 Correct 699 ms 63780 KB Output is correct
67 Correct 695 ms 64084 KB Output is correct