oj.uz

Submission #650420

# Submission time Handle Problem Language Result Execution time Memory
650420 2022-10-13T17:23:33 Z ymm Bubble Sort 2 (JOI18_bubblesort2) C++17
60 / 100
 9000 ms 34292 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")

const int S = 2048 + 1024;
const int N = 500'032 + S;
int seg_mx[N/S][S*2];
int seg_cnt[N/S][S*2];
int val[N], cnt[N], val_srt[N], srt_ind[N];
int n;

void add_seg(int l, int r, int x, int t)
{
	#define MAX(x, y) ((x)>(y)?(x):(y))
	#define UP(i) seg_mx[t][i] =   MAX(seg_mx[t][2*(i)],\
	                                   seg_mx[t][2*(i)+1])\
	                             + seg_cnt[t][i];
	l += S; r += S;
	for (;;) {
		if (l != r && (l&1)) {
			seg_mx[t][l] += x;
			seg_cnt[t][l] += x;
			++l;
		}
		if (l != r && (r&1)) {
			--r;
			seg_mx[t][r] += x;
			seg_cnt[t][r] += x;
		}
		l /= 2; r /= 2;
		if (l == 0) break;
		if (l > 1) UP(l-1);
		if (r < S) UP(r);
	}
}

void build_seg(int t)
{
	Loop (i,S,2*S) {
		seg_cnt[t][i] = cnt[srt_ind[S*t + i-S]];
		seg_mx[t][i] = seg_cnt[t][i];
	}
	LoopR (i,1,S) {
		seg_mx[t][i] = max(seg_mx[t][2*i], seg_mx[t][2*i+1]);
		seg_cnt[t][i] = 0;
	}
}

void flush_seg(int t)
{
	Loop (i,1,S) {
		seg_cnt[t][2*i] += seg_cnt[t][i];
		seg_cnt[t][2*i+1] += seg_cnt[t][i];
	}
	Loop (i,S,2*S)
		cnt[srt_ind[t*S + i-S]] = seg_cnt[t][i];
}

int get_gt(int l, int x)
{
	return S - (  upper_bound(val_srt + l, val_srt + l + S, x)
	            - (val_srt + l));
}

void up_range(int l, int xl, int xr, int val)
{
	xl = lower_bound(val_srt + l, val_srt + l + S, xl) - val_srt - l;
	xr = lower_bound(val_srt + l, val_srt + l + S, xr) - val_srt - l;
	if (xl < xr)
		add_seg(xl, xr, val, l/S);
}

void mov_right(int i, int j)
{
	typedef int ymma __attribute__((vector_size(32),aligned(32)));
	typedef int ymmu __attribute__((vector_size(32),aligned(4)));
	if (j-i < 16) {
		Loop (k,i,j) {
			val_srt[k] = val_srt[k+1];
			srt_ind[k] = srt_ind[k+1];
		}
		return;
	}
	while (i%8) {
		val_srt[i] = val_srt[i+1];
		srt_ind[i] = srt_ind[i+1];
		++i;
	}
	Loop (k,i/8,j/8) {
		((ymma *)val_srt)[k] = ((ymmu *)(val_srt+1))[k];
		((ymma *)srt_ind)[k] = ((ymmu *)(srt_ind+1))[k];
	}
	Loop (k,j-j%8,j) {
		val_srt[k] = val_srt[k+1];
		srt_ind[k] = srt_ind[k+1];
	}
}


void mov_left(int i, int j)
{
	typedef int ymma __attribute__((vector_size(32),aligned(32)));
	typedef int ymmu __attribute__((vector_size(32),aligned(4)));
	if (j-i < 16) {
		LoopR (k,i,j) {
			val_srt[k+1] = val_srt[k];
			srt_ind[k+1] = srt_ind[k];
		}
		return;
	}
	while (j%8) {
		--j;
		val_srt[j+1] = val_srt[j];
		srt_ind[j+1] = srt_ind[j];
	}
	LoopR (k,(i+7)/8,j/8) {
		((ymmu *)(val_srt+1))[k] = ((ymma *)val_srt)[k];
		((ymmu *)(srt_ind+1))[k] = ((ymma *)srt_ind)[k];
	}
	LoopR (k,i,(i+7)/8*8) {
		val_srt[k+1] = val_srt[k];
		srt_ind[k+1] = srt_ind[k];
	}
}

void mov(int i, int x)
{
	int j = i - i%S;
	for (; srt_ind[j] != i; ++j);
	int dst =   lower_bound(val_srt + i-i%S, val_srt + i-i%S + S, x)
	          - val_srt;
	if (j < dst)
		mov_right(j, --dst);
	else
		mov_left(dst, j);
	val_srt[dst] = x;
	srt_ind[dst] = i;
}

void up(int i, int x)
{
	int pre = val[i];
	int cnt_gt = 0;
	for (int l = 0; l < i - i%S; l += S)
		cnt_gt += get_gt(l, x);
	flush_seg(i/S);
	val[i] = x;
	for (int j = i - i%S; j < i; ++j)
		cnt_gt += val[j] > x;
	cnt[i] = cnt_gt;
	for (int j = i + 1; j < i - i%S + S; ++j)
		cnt[j] += (x > val[j]) - (pre > val[j]);
	mov(i, x);
	build_seg(i/S);
	int val = pre < x? 1: -1;
	int xl = pre < x? pre: x;
	int xr = pre < x? x: pre;
	for (int l = i - i%S + S; l < n; l += S)
		up_range(l, xl, xr, val);
}

int get()
{
	int mx = 0;
	for (int l = 0; l < n; l += S)
		mx = max(seg_mx[l/S][1], mx);
	return mx;
}

namespace init {
int fen[N];
void fen_add(int i, int x)
{
	++i;
	while (i < N) {
		fen[i] += x;
		i += i & -i;
	}
}
int fen_get(int r)
{
	int ans = 0;
	while (r > 0) {
		ans += fen[r];
		r -= r & -r;
	}
	return ans;
}
 
void init(vector<int> A)
{
	static pii pii_srt[N];
	n = A.size();
	Loop (i,0,n) {
		val[i] = A[i];
		pii_srt[i] = {val[i], i};
	}
	Loop (i,n,N) {
		val[i] = 1e9+10;
		pii_srt[i] = {val[i], i};
	}
	for (int l = 0; l < n; l += S) {
		sort(pii_srt+l, pii_srt+l+S);
		Loop (i,l,l+S) {
			val_srt[i] = pii_srt[i].first;
			srt_ind[i] = pii_srt[i].second;
		}
	}
	vector<int> cmp(val, val+N);
	sort(cmp.begin(), cmp.end());
	cmp.resize(unique(cmp.begin(), cmp.end()) - cmp.begin());
	int mx = cmp.size() - 1;
	Loop (i,0,n) {
		int j =   lower_bound(cmp.begin(), cmp.end(), val[i])
		        - cmp.begin();
		cnt[i] = fen_get(mx-j);
		fen_add(mx-j, 1);
	}
	for (int l = 0; l < n; l += S)
		build_seg(l/S);
}
}

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V)
{
	init::init(A);
	vector<int> ans;
	Loop (i,0,X.size()) {
		up(X[i], V[i]);
		ans.push_back(get());
	}
	return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 8328 KB Output is correct
2 Correct 30 ms 8276 KB Output is correct
3 Correct 47 ms 8300 KB Output is correct
4 Correct 51 ms 8276 KB Output is correct
5 Correct 48 ms 8284 KB Output is correct
6 Correct 46 ms 8336 KB Output is correct
7 Correct 46 ms 8296 KB Output is correct
8 Correct 47 ms 8300 KB Output is correct
9 Correct 48 ms 8404 KB Output is correct
10 Correct 44 ms 8404 KB Output is correct
11 Correct 48 ms 8300 KB Output is correct
12 Correct 49 ms 8404 KB Output is correct
13 Correct 46 ms 8300 KB Output is correct
14 Correct 47 ms 8276 KB Output is correct
15 Correct 46 ms 8276 KB Output is correct
16 Correct 48 ms 8300 KB Output is correct
17 Correct 46 ms 8404 KB Output is correct
18 Correct 49 ms 8404 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 8328 KB Output is correct
2 Correct 30 ms 8276 KB Output is correct
3 Correct 47 ms 8300 KB Output is correct
4 Correct 51 ms 8276 KB Output is correct
5 Correct 48 ms 8284 KB Output is correct
6 Correct 46 ms 8336 KB Output is correct
7 Correct 46 ms 8296 KB Output is correct
8 Correct 47 ms 8300 KB Output is correct
9 Correct 48 ms 8404 KB Output is correct
10 Correct 44 ms 8404 KB Output is correct
11 Correct 48 ms 8300 KB Output is correct
12 Correct 49 ms 8404 KB Output is correct
13 Correct 46 ms 8300 KB Output is correct
14 Correct 47 ms 8276 KB Output is correct
15 Correct 46 ms 8276 KB Output is correct
16 Correct 48 ms 8300 KB Output is correct
17 Correct 46 ms 8404 KB Output is correct
18 Correct 49 ms 8404 KB Output is correct
19 Correct 140 ms 8616 KB Output is correct
20 Correct 154 ms 8660 KB Output is correct
21 Correct 154 ms 8660 KB Output is correct
22 Correct 151 ms 8748 KB Output is correct
23 Correct 154 ms 8660 KB Output is correct
24 Correct 151 ms 8640 KB Output is correct
25 Correct 151 ms 8660 KB Output is correct
26 Correct 164 ms 8640 KB Output is correct
27 Correct 155 ms 8660 KB Output is correct
28 Correct 150 ms 8660 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 9300 KB Output is correct
2 Correct 498 ms 10128 KB Output is correct
3 Correct 1043 ms 10936 KB Output is correct
4 Correct 1066 ms 11012 KB Output is correct
5 Correct 1018 ms 10964 KB Output is correct
6 Correct 1048 ms 11016 KB Output is correct
7 Correct 1014 ms 11040 KB Output is correct
8 Correct 983 ms 11012 KB Output is correct
9 Correct 980 ms 11032 KB Output is correct
10 Correct 874 ms 10956 KB Output is correct
11 Correct 872 ms 10964 KB Output is correct
12 Correct 871 ms 10964 KB Output is correct
13 Correct 850 ms 11008 KB Output is correct
14 Correct 863 ms 11000 KB Output is correct
15 Correct 880 ms 11028 KB Output is correct
16 Correct 828 ms 10956 KB Output is correct
17 Correct 859 ms 11004 KB Output is correct
18 Correct 837 ms 10956 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 8328 KB Output is correct
2 Correct 30 ms 8276 KB Output is correct
3 Correct 47 ms 8300 KB Output is correct
4 Correct 51 ms 8276 KB Output is correct
5 Correct 48 ms 8284 KB Output is correct
6 Correct 46 ms 8336 KB Output is correct
7 Correct 46 ms 8296 KB Output is correct
8 Correct 47 ms 8300 KB Output is correct
9 Correct 48 ms 8404 KB Output is correct
10 Correct 44 ms 8404 KB Output is correct
11 Correct 48 ms 8300 KB Output is correct
12 Correct 49 ms 8404 KB Output is correct
13 Correct 46 ms 8300 KB Output is correct
14 Correct 47 ms 8276 KB Output is correct
15 Correct 46 ms 8276 KB Output is correct
16 Correct 48 ms 8300 KB Output is correct
17 Correct 46 ms 8404 KB Output is correct
18 Correct 49 ms 8404 KB Output is correct
19 Correct 140 ms 8616 KB Output is correct
20 Correct 154 ms 8660 KB Output is correct
21 Correct 154 ms 8660 KB Output is correct
22 Correct 151 ms 8748 KB Output is correct
23 Correct 154 ms 8660 KB Output is correct
24 Correct 151 ms 8640 KB Output is correct
25 Correct 151 ms 8660 KB Output is correct
26 Correct 164 ms 8640 KB Output is correct
27 Correct 155 ms 8660 KB Output is correct
28 Correct 150 ms 8660 KB Output is correct
29 Correct 61 ms 9300 KB Output is correct
30 Correct 498 ms 10128 KB Output is correct
31 Correct 1043 ms 10936 KB Output is correct
32 Correct 1066 ms 11012 KB Output is correct
33 Correct 1018 ms 10964 KB Output is correct
34 Correct 1048 ms 11016 KB Output is correct
35 Correct 1014 ms 11040 KB Output is correct
36 Correct 983 ms 11012 KB Output is correct
37 Correct 980 ms 11032 KB Output is correct
38 Correct 874 ms 10956 KB Output is correct
39 Correct 872 ms 10964 KB Output is correct
40 Correct 871 ms 10964 KB Output is correct
41 Correct 850 ms 11008 KB Output is correct
42 Correct 863 ms 11000 KB Output is correct
43 Correct 880 ms 11028 KB Output is correct
44 Correct 828 ms 10956 KB Output is correct
45 Correct 859 ms 11004 KB Output is correct
46 Correct 837 ms 10956 KB Output is correct
47 Correct 3906 ms 17228 KB Output is correct
48 Execution timed out 9072 ms 34292 KB Time limit exceeded
49 Halted 0 ms 0 KB -