oj.uz

Submission #66173

# Submission time Handle Problem Language Result Execution time Memory
66173 2018-08-10T01:00:43 Z reality Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 3791 ms 305368 KB 
#include "bubblesort2.h"
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class P , class Q > ostream& operator<<(ostream& stream, pair < P , Q > v){ stream << "(" << v.fi << ',' << v.se << ")"; return stream;}
template < class T > ostream& operator<<(ostream& stream, const vector<T> v){ stream << "[ "; for (int i=0; i<(int)v.size(); i++) stream << v[i] << " "; stream << "]"; return stream;}
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}

const int oo = 1e9;

const int N = 4e6 + 5;

int s[N];

int p[N];

int q[N];

int t[N];

int ok[N];

int lz[N];

int get(int node) {
	if (ok[node])
		return t[node];
	return 0;
}

void upd(int node) {
	ok[node] = ok[node * 2] + ok[node * 2 + 1];
	t[node] = max(get(node * 2),get(node * 2 + 1));
}

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

vector< pii > w;

void build(int l,int r,int node) {
	if (l == r) {
		t[node] = w[l - 1].se;
	} else {
		int m = (l + r) / 2;
		build(l,m,node * 2);
		build(m+1,r,node * 2 + 1);
	}
}

void Update1(int l,int r,int pos,int node) {
	upd_lz(l,r,node);
	if (l == r) {
		ok[node] ^= 1;
	}
	else {
		int m = (l + r) / 2;
		if (pos <= m)
			Update1(l,m,pos,node * 2),upd_lz(m+1,r,node * 2 + 1);
		else
			Update1(m+1,r,pos,node * 2 + 1),upd_lz(l,m,node * 2);
		upd(node);
	}
}

void Update2(int l,int r,int l1,int r1,int v,int node) {
	upd_lz(l,r,node);
	if (l1 <= l && r <= r1)
		lz[node] += v,upd_lz(l,r,node);
	else {
		int m = (l + r) / 2;
		if (l1 <= m)
			Update2(l,m,l1,r1,v,node * 2);
		else
			upd_lz(l,m,node * 2);
		if (m+1<=r1)
			Update2(m+1,r,l1,r1,v,node * 2 + 1);
		upd(node);
	}
}

int query(int l,int r,int l1,int r1,int node) {
	upd_lz(l,r,node);
	if (l1 <= l && r <= r1)
		return get(node);
	int m = (l + r) / 2;
	int ans = 0;
	if (l1 <= m)
		smax(ans,query(l,m,l1,r1,node * 2));
	else
		upd_lz(l,m,node * 2);
	if (m+1<=r1)
		smax(ans,query(m+1,r,l1,r1,node * 2 + 1));
	else
		upd_lz(m+1,r,node * 2 + 1);
	upd(node);
	return ans;
}

void print(int l,int r,int node) {
	upd_lz(l,r,node);
	if (l != r) {
		int m = (l + r) / 2;
		print(l,m,node * 2);
		print(m+1,r,node * 2 + 1);
	} else {
		dbg((vi{l,get(node),w[l - 1].fi,w[l - 1].se,ok[node]}));
	}
	//dbg((vi{l,r,node,t[node],ok[node]}));
}

vi countScans(vi S1,vi S2,vi S3){
	int n = S1.size();
	for (int i = 0;i < n;++i)
		w.pb(mp(S1[i],i + 1));
	for (int i = 0;i < S2.size();++i)
		w.pb(mp(S3[i],S2[i] + 1));
	sort(all(w));
	w.resize(unique(all(w)) - w.begin());
	const int SZ = w.size();
	vector < pii > qq;
	for (int i = 0;i < S2.size();++i)
		qq.pb(mp(S3[i],S2[i] + 1));
	for (int i = 0;i < n;++i)
		s[i + 1] = S1[i];
	vi answer;
	build(1,SZ,1);
	for (int i = 1;i <= n;++i) {
		int Who = lower_bound(all(w),mp(s[i],i)) - w.begin() + 1;
		Update1(1,SZ,Who,1);
		Update2(1,SZ,Who,SZ,-1,1);
	}
	for (auto it : qq) {
		int Who = lower_bound(all(w),it) - w.begin() + 1;
		int Del = lower_bound(all(w),mp(s[it.se],it.se)) - w.begin() + 1;
		Update1(1,SZ,Del,1);
		Update2(1,SZ,Del,SZ,1,1);
		Update1(1,SZ,Who,1);
		Update2(1,SZ,Who,SZ,-1,1);
		answer.pb(t[1]);
		s[it.se] = it.fi;
	}
	return answer;
}

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:135:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0;i < S2.size();++i)
                 ~~^~~~~~~~~~~
bubblesort2.cpp:141:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0;i < S2.size();++i)
                 ~~^~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 580 KB Output is correct
2 Correct 6 ms 656 KB Output is correct
3 Correct 8 ms 908 KB Output is correct
4 Correct 9 ms 976 KB Output is correct
5 Correct 9 ms 1072 KB Output is correct
6 Correct 8 ms 1072 KB Output is correct
7 Correct 8 ms 1100 KB Output is correct
8 Correct 8 ms 1204 KB Output is correct
9 Correct 7 ms 1252 KB Output is correct
10 Correct 10 ms 1316 KB Output is correct
11 Correct 7 ms 1408 KB Output is correct
12 Correct 8 ms 1452 KB Output is correct
13 Correct 8 ms 1488 KB Output is correct
14 Correct 8 ms 1528 KB Output is correct
15 Correct 7 ms 1568 KB Output is correct
16 Correct 8 ms 1608 KB Output is correct
17 Correct 7 ms 1648 KB Output is correct
18 Correct 7 ms 1672 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 580 KB Output is correct
2 Correct 6 ms 656 KB Output is correct
3 Correct 8 ms 908 KB Output is correct
4 Correct 9 ms 976 KB Output is correct
5 Correct 9 ms 1072 KB Output is correct
6 Correct 8 ms 1072 KB Output is correct
7 Correct 8 ms 1100 KB Output is correct
8 Correct 8 ms 1204 KB Output is correct
9 Correct 7 ms 1252 KB Output is correct
10 Correct 10 ms 1316 KB Output is correct
11 Correct 7 ms 1408 KB Output is correct
12 Correct 8 ms 1452 KB Output is correct
13 Correct 8 ms 1488 KB Output is correct
14 Correct 8 ms 1528 KB Output is correct
15 Correct 7 ms 1568 KB Output is correct
16 Correct 8 ms 1608 KB Output is correct
17 Correct 7 ms 1648 KB Output is correct
18 Correct 7 ms 1672 KB Output is correct
19 Correct 25 ms 2536 KB Output is correct
20 Correct 28 ms 2708 KB Output is correct
21 Correct 29 ms 2904 KB Output is correct
22 Correct 32 ms 3092 KB Output is correct
23 Correct 27 ms 3416 KB Output is correct
24 Correct 27 ms 3536 KB Output is correct
25 Correct 29 ms 3700 KB Output is correct
26 Correct 25 ms 3792 KB Output is correct
27 Correct 27 ms 4020 KB Output is correct
28 Correct 28 ms 4048 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 4772 KB Output is correct
2 Correct 120 ms 7040 KB Output is correct
3 Correct 266 ms 10300 KB Output is correct
4 Correct 217 ms 10908 KB Output is correct
5 Correct 244 ms 11436 KB Output is correct
6 Correct 267 ms 12012 KB Output is correct
7 Correct 262 ms 12592 KB Output is correct
8 Correct 248 ms 13172 KB Output is correct
9 Correct 212 ms 13752 KB Output is correct
10 Correct 173 ms 13752 KB Output is correct
11 Correct 159 ms 13752 KB Output is correct
12 Correct 153 ms 14300 KB Output is correct
13 Correct 220 ms 14908 KB Output is correct
14 Correct 159 ms 15488 KB Output is correct
15 Correct 165 ms 16196 KB Output is correct
16 Correct 142 ms 16844 KB Output is correct
17 Correct 150 ms 17480 KB Output is correct
18 Correct 162 ms 18116 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 580 KB Output is correct
2 Correct 6 ms 656 KB Output is correct
3 Correct 8 ms 908 KB Output is correct
4 Correct 9 ms 976 KB Output is correct
5 Correct 9 ms 1072 KB Output is correct
6 Correct 8 ms 1072 KB Output is correct
7 Correct 8 ms 1100 KB Output is correct
8 Correct 8 ms 1204 KB Output is correct
9 Correct 7 ms 1252 KB Output is correct
10 Correct 10 ms 1316 KB Output is correct
11 Correct 7 ms 1408 KB Output is correct
12 Correct 8 ms 1452 KB Output is correct
13 Correct 8 ms 1488 KB Output is correct
14 Correct 8 ms 1528 KB Output is correct
15 Correct 7 ms 1568 KB Output is correct
16 Correct 8 ms 1608 KB Output is correct
17 Correct 7 ms 1648 KB Output is correct
18 Correct 7 ms 1672 KB Output is correct
19 Correct 25 ms 2536 KB Output is correct
20 Correct 28 ms 2708 KB Output is correct
21 Correct 29 ms 2904 KB Output is correct
22 Correct 32 ms 3092 KB Output is correct
23 Correct 27 ms 3416 KB Output is correct
24 Correct 27 ms 3536 KB Output is correct
25 Correct 29 ms 3700 KB Output is correct
26 Correct 25 ms 3792 KB Output is correct
27 Correct 27 ms 4020 KB Output is correct
28 Correct 28 ms 4048 KB Output is correct
29 Correct 41 ms 4772 KB Output is correct
30 Correct 120 ms 7040 KB Output is correct
31 Correct 266 ms 10300 KB Output is correct
32 Correct 217 ms 10908 KB Output is correct
33 Correct 244 ms 11436 KB Output is correct
34 Correct 267 ms 12012 KB Output is correct
35 Correct 262 ms 12592 KB Output is correct
36 Correct 248 ms 13172 KB Output is correct
37 Correct 212 ms 13752 KB Output is correct
38 Correct 173 ms 13752 KB Output is correct
39 Correct 159 ms 13752 KB Output is correct
40 Correct 153 ms 14300 KB Output is correct
41 Correct 220 ms 14908 KB Output is correct
42 Correct 159 ms 15488 KB Output is correct
43 Correct 165 ms 16196 KB Output is correct
44 Correct 142 ms 16844 KB Output is correct
45 Correct 150 ms 17480 KB Output is correct
46 Correct 162 ms 18116 KB Output is correct
47 Correct 780 ms 39088 KB Output is correct
48 Correct 3553 ms 81376 KB Output is correct
49 Correct 3791 ms 96176 KB Output is correct
50 Correct 3773 ms 109196 KB Output is correct
51 Correct 3538 ms 122048 KB Output is correct
52 Correct 3598 ms 134960 KB Output is correct
53 Correct 3455 ms 147952 KB Output is correct
54 Correct 3133 ms 160764 KB Output is correct
55 Correct 3526 ms 174060 KB Output is correct
56 Correct 3149 ms 186856 KB Output is correct
57 Correct 3238 ms 200048 KB Output is correct
58 Correct 3096 ms 212960 KB Output is correct
59 Correct 2761 ms 224852 KB Output is correct
60 Correct 2860 ms 236576 KB Output is correct
61 Correct 2942 ms 247136 KB Output is correct
62 Correct 2705 ms 256984 KB Output is correct
63 Correct 2723 ms 266884 KB Output is correct
64 Correct 2596 ms 276360 KB Output is correct
65 Correct 2322 ms 285344 KB Output is correct
66 Correct 2837 ms 295728 KB Output is correct
67 Correct 2510 ms 305368 KB Output is correct