oj.uz

Submission #240078

# Submission time Handle Problem Language Result Execution time Memory
240078 2020-06-17T23:00:15 Z alishahali1382 New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 413044 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast,unroll-loops")
#pragma GCC optimize("no-stack-protector,fast-math")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<pii, pii> pi4;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const ld eps=1e-7;
const int inf=1000000010;
const ll INF=10000000000000010LL;
const int mod=1000000007;
const int MAXN=300020, LOG=20;

int Todo;
pair<int*, int> todo[50000000];
struct SEGMENT{
	int seg[MAXN<<1];
	SEGMENT(){
		memset(seg, -31, sizeof(seg));
	}
	int upd(int pos, int val){
		if (seg[pos]>=val) return 0;
		todo[Todo++]={seg+pos, seg[pos]};
		seg[pos]=val;
		return 1;
	}
	int Maximize(int l, int r, int val){
		int res=0;
		for (l+=MAXN, r+=MAXN; l<r; l>>=1, r>>=1){
			if (l&1) res+=upd(l++, val);
			if (r&1) res+=upd(--r, val);
		}
		return res;
	}
	int Get(int pos){
		int res=seg[0];
		for (pos+=MAXN; pos; pos>>=1) res=max(res, seg[pos]);
		return res;
	}
} seg1, seg2;

inline void undo(){
	Todo--;
	(*todo[Todo].first)=todo[Todo].second;
}

int n, m, k, u, v, x, y, t, a, b, timer;
int typ[MAXN], X[MAXN], T[MAXN], A[MAXN], B[MAXN], L[MAXN], Y[MAXN];
int ans[MAXN];
vector<int> Q1[MAXN], Q2[MAXN], Q[MAXN];
vector<pi4> seg[MAXN<<2];
vector<int> compt={0, inf}, compx={0, inf+1};
multiset<int> st[MAXN];
map<pi4, int> mp;

void Add(int id, int tl, int tr, int l, int r, pi4 p){
//	if (id==1) cerr<<"event in times:"<<l<<","<<r<<" :  ["<<p.first.first<<", "<<p.first.second<<") "<<p.second.first<<' '<<p.second.second<<endl;
	if (r<=tl || tr<=l) return ;
	if (l<=tl && tr<=r){
		seg[id].pb(p);
		return ;
	}
	int mid=(tl+tr)>>1;
	Add(id<<1, tl, mid, l, r, p);
	Add(id<<1 | 1, mid, tr, l, r, p);
}

inline void f(pi4 p){
	if (!mp.count(p)) mp[p]=timer;
	else{
		Add(1, 0, MAXN, mp[p], timer, p);
		mp.erase(p);
	}
}

inline void add(multiset<int> &st, int typ, int x){
//	cerr<<"add in time "<<timer<<" : "<<typ<<", "<<x<<endl;
	if (st.count(x)){
		st.insert(x);
		return ;
	}
	st.insert(x);
	auto it=st.find(x);
	int prv=*--it, nxt=*++++it;
	f({{prv, (prv+nxt+1)/2}, {typ, 1}});
	f({{(prv+nxt+1)/2, nxt+1}, {typ, 2}});
	f({{prv, (prv+x+1)/2}, {typ, 1}});
	f({{(prv+x+1)/2, x+1}, {typ, 2}});
	f({{x, (x+nxt+1)/2}, {typ, 1}});
	f({{(x+nxt+1)/2, nxt+1}, {typ, 2}});
}

inline void rem(multiset<int> &st, int typ, int x){
//	cerr<<"rem in time "<<timer<<" : "<<typ<<", "<<x<<endl;
	st.erase(st.find(x));
	if (st.count(x)) return ;
	auto it=st.lower_bound(x);
	int nxt=*it, prv=*--it;
	f({{prv, (prv+nxt+1)/2}, {typ, 1}});
	f({{(prv+nxt+1)/2, nxt+1}, {typ, 2}});
	f({{prv, (prv+x+1)/2}, {typ, 1}});
	f({{(prv+x+1)/2, x+1}, {typ, 2}});
	f({{x, (x+nxt+1)/2}, {typ, 1}});
	f({{(x+nxt+1)/2, nxt+1}, {typ, 2}});
}

inline int gt(int x){
	return lower_bound(all(compx), x)-compx.begin();
}

void dfs(int id, int tl, int tr){
	int ted=0;
	for (pi4 p:seg[id]){
		if (p.second.second==1) ted+=seg1.Maximize(gt(p.first.first), gt(p.first.second), -p.first.first);
		if (p.second.second==2) ted+=seg2.Maximize(gt(p.first.first), gt(p.first.second), p.first.second-1);
	}
	if (tr-tl==1){
		for (int i:Q[tl]){
			ans[i]=max(ans[i], L[i]+seg1.Get(gt(L[i])));
//			debug(ans[i])
			ans[i]=max(ans[i], seg2.Get(gt(L[i]))-L[i]);
			if (ans[i]>100000000) ans[i]=-1;
		}
	}
	else{
		int mid=(tl+tr)>>1;
		dfs(id<<1, tl, mid);
		dfs(id<<1 | 1, mid, tr);
	}
	while (ted--) undo();
}

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n>>k>>m;
	for (int i=1; i<=k; i++){
		st[i].insert(-inf);
		st[i].insert(inf);
		f({{0, inf+1}, {i, 2}});
		f({{-inf, 0}, {i, 1}});
	}
	for (int i=1; i<=n; i++) cin>>X[i]>>T[i]>>A[i]>>B[i], B[i]++;
	for (int i=1; i<=m; i++){
		cin>>L[i]>>Y[i];
		compx.pb(L[i]);
		compt.pb(Y[i]);
	}
	sort(all(compx));
	sort(all(compt));
	compx.resize(unique(all(compx))-compx.begin());
	compt.resize(unique(all(compt))-compt.begin());
//	debugv(compx)
	for (int i=1; i<=n; i++){
		A[i]=lower_bound(all(compt), A[i])-compt.begin();
		B[i]=lower_bound(all(compt), B[i])-compt.begin();
//		debug2(A[i], B[i])
		Q1[A[i]].pb(i);
		Q2[B[i]].pb(i);
	}
	for (int i=1; i<=m; i++){
		Y[i]=lower_bound(all(compt), Y[i])-compt.begin();
		Q[Y[i]].pb(i);
	}
	for (timer=0; timer<MAXN; timer++){
		for (int i:Q1[timer]) add(st[T[i]], T[i], X[i]);
		for (int i:Q2[timer]) rem(st[T[i]], T[i], X[i]);
	}
	while (mp.size()) f(mp.begin()->first);
	dfs(1, 0, MAXN);
	for (int i=1; i<=m; i++) cout<<ans[i]<<'\n';
	
	return 0;
}
/*
4 2 4
3 1 1 10
9 2 2 4
7 2 5 7
4 1 8 10
5 3
5 6
5 9
1 10

2 1 3
1 1 1 4
1 1 2 6
1 3
1 5
1 7

1 1 1
100000000 1 1 1
1 1


*/

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 68480 KB Output is correct
2 Correct 51 ms 68516 KB Output is correct
3 Correct 51 ms 68472 KB Output is correct
4 Correct 54 ms 68472 KB Output is correct
5 Correct 69 ms 68580 KB Output is correct
6 Correct 73 ms 68736 KB Output is correct
7 Correct 53 ms 69248 KB Output is correct
8 Correct 55 ms 68984 KB Output is correct
9 Correct 53 ms 69248 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 57 ms 68704 KB Output is correct
12 Correct 59 ms 68636 KB Output is correct
13 Correct 63 ms 68600 KB Output is correct
14 Correct 51 ms 68600 KB Output is correct
15 Correct 55 ms 68984 KB Output is correct
16 Correct 55 ms 68984 KB Output is correct
17 Correct 98 ms 68860 KB Output is correct
18 Correct 54 ms 68984 KB Output is correct
19 Correct 55 ms 68984 KB Output is correct
20 Correct 67 ms 68856 KB Output is correct
21 Correct 49 ms 68984 KB Output is correct
22 Correct 52 ms 69240 KB Output is correct
23 Correct 52 ms 69112 KB Output is correct
24 Correct 50 ms 68984 KB Output is correct
25 Correct 49 ms 68864 KB Output is correct
26 Correct 49 ms 68600 KB Output is correct
27 Correct 55 ms 68728 KB Output is correct
28 Correct 53 ms 68736 KB Output is correct
29 Correct 61 ms 68600 KB Output is correct
30 Correct 58 ms 68600 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 68480 KB Output is correct
2 Correct 51 ms 68516 KB Output is correct
3 Correct 51 ms 68472 KB Output is correct
4 Correct 54 ms 68472 KB Output is correct
5 Correct 69 ms 68580 KB Output is correct
6 Correct 73 ms 68736 KB Output is correct
7 Correct 53 ms 69248 KB Output is correct
8 Correct 55 ms 68984 KB Output is correct
9 Correct 53 ms 69248 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 57 ms 68704 KB Output is correct
12 Correct 59 ms 68636 KB Output is correct
13 Correct 63 ms 68600 KB Output is correct
14 Correct 51 ms 68600 KB Output is correct
15 Correct 55 ms 68984 KB Output is correct
16 Correct 55 ms 68984 KB Output is correct
17 Correct 98 ms 68860 KB Output is correct
18 Correct 54 ms 68984 KB Output is correct
19 Correct 55 ms 68984 KB Output is correct
20 Correct 67 ms 68856 KB Output is correct
21 Correct 49 ms 68984 KB Output is correct
22 Correct 52 ms 69240 KB Output is correct
23 Correct 52 ms 69112 KB Output is correct
24 Correct 50 ms 68984 KB Output is correct
25 Correct 49 ms 68864 KB Output is correct
26 Correct 49 ms 68600 KB Output is correct
27 Correct 55 ms 68728 KB Output is correct
28 Correct 53 ms 68736 KB Output is correct
29 Correct 61 ms 68600 KB Output is correct
30 Correct 58 ms 68600 KB Output is correct
31 Correct 2850 ms 176096 KB Output is correct
32 Correct 125 ms 72820 KB Output is correct
33 Correct 2217 ms 161760 KB Output is correct
34 Correct 2545 ms 163604 KB Output is correct
35 Correct 2794 ms 175628 KB Output is correct
36 Correct 2402 ms 174180 KB Output is correct
37 Correct 1661 ms 143880 KB Output is correct
38 Correct 1480 ms 143528 KB Output is correct
39 Correct 964 ms 119060 KB Output is correct
40 Correct 1040 ms 125172 KB Output is correct
41 Correct 1482 ms 134820 KB Output is correct
42 Correct 1502 ms 136380 KB Output is correct
43 Correct 112 ms 74912 KB Output is correct
44 Correct 1412 ms 133364 KB Output is correct
45 Correct 1129 ms 118516 KB Output is correct
46 Correct 717 ms 95348 KB Output is correct
47 Correct 564 ms 96008 KB Output is correct
48 Correct 498 ms 90484 KB Output is correct
49 Correct 729 ms 105096 KB Output is correct
50 Correct 1103 ms 131088 KB Output is correct
51 Correct 655 ms 98036 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5077 ms 413044 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5087 ms 364852 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 68480 KB Output is correct
2 Correct 51 ms 68516 KB Output is correct
3 Correct 51 ms 68472 KB Output is correct
4 Correct 54 ms 68472 KB Output is correct
5 Correct 69 ms 68580 KB Output is correct
6 Correct 73 ms 68736 KB Output is correct
7 Correct 53 ms 69248 KB Output is correct
8 Correct 55 ms 68984 KB Output is correct
9 Correct 53 ms 69248 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 57 ms 68704 KB Output is correct
12 Correct 59 ms 68636 KB Output is correct
13 Correct 63 ms 68600 KB Output is correct
14 Correct 51 ms 68600 KB Output is correct
15 Correct 55 ms 68984 KB Output is correct
16 Correct 55 ms 68984 KB Output is correct
17 Correct 98 ms 68860 KB Output is correct
18 Correct 54 ms 68984 KB Output is correct
19 Correct 55 ms 68984 KB Output is correct
20 Correct 67 ms 68856 KB Output is correct
21 Correct 49 ms 68984 KB Output is correct
22 Correct 52 ms 69240 KB Output is correct
23 Correct 52 ms 69112 KB Output is correct
24 Correct 50 ms 68984 KB Output is correct
25 Correct 49 ms 68864 KB Output is correct
26 Correct 49 ms 68600 KB Output is correct
27 Correct 55 ms 68728 KB Output is correct
28 Correct 53 ms 68736 KB Output is correct
29 Correct 61 ms 68600 KB Output is correct
30 Correct 58 ms 68600 KB Output is correct
31 Correct 2850 ms 176096 KB Output is correct
32 Correct 125 ms 72820 KB Output is correct
33 Correct 2217 ms 161760 KB Output is correct
34 Correct 2545 ms 163604 KB Output is correct
35 Correct 2794 ms 175628 KB Output is correct
36 Correct 2402 ms 174180 KB Output is correct
37 Correct 1661 ms 143880 KB Output is correct
38 Correct 1480 ms 143528 KB Output is correct
39 Correct 964 ms 119060 KB Output is correct
40 Correct 1040 ms 125172 KB Output is correct
41 Correct 1482 ms 134820 KB Output is correct
42 Correct 1502 ms 136380 KB Output is correct
43 Correct 112 ms 74912 KB Output is correct
44 Correct 1412 ms 133364 KB Output is correct
45 Correct 1129 ms 118516 KB Output is correct
46 Correct 717 ms 95348 KB Output is correct
47 Correct 564 ms 96008 KB Output is correct
48 Correct 498 ms 90484 KB Output is correct
49 Correct 729 ms 105096 KB Output is correct
50 Correct 1103 ms 131088 KB Output is correct
51 Correct 655 ms 98036 KB Output is correct
52 Correct 1998 ms 211936 KB Output is correct
53 Correct 2064 ms 196872 KB Output is correct
54 Correct 2544 ms 191732 KB Output is correct
55 Correct 1744 ms 163300 KB Output is correct
56 Correct 1806 ms 174516 KB Output is correct
57 Correct 1615 ms 143828 KB Output is correct
58 Correct 1872 ms 163900 KB Output is correct
59 Correct 1952 ms 175824 KB Output is correct
60 Correct 1714 ms 145228 KB Output is correct
61 Correct 701 ms 139908 KB Output is correct
62 Correct 2064 ms 206576 KB Output is correct
63 Correct 2387 ms 195640 KB Output is correct
64 Correct 2338 ms 186644 KB Output is correct
65 Correct 2262 ms 168564 KB Output is correct
66 Correct 1711 ms 143348 KB Output is correct
67 Correct 716 ms 92140 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 68480 KB Output is correct
2 Correct 51 ms 68516 KB Output is correct
3 Correct 51 ms 68472 KB Output is correct
4 Correct 54 ms 68472 KB Output is correct
5 Correct 69 ms 68580 KB Output is correct
6 Correct 73 ms 68736 KB Output is correct
7 Correct 53 ms 69248 KB Output is correct
8 Correct 55 ms 68984 KB Output is correct
9 Correct 53 ms 69248 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 57 ms 68704 KB Output is correct
12 Correct 59 ms 68636 KB Output is correct
13 Correct 63 ms 68600 KB Output is correct
14 Correct 51 ms 68600 KB Output is correct
15 Correct 55 ms 68984 KB Output is correct
16 Correct 55 ms 68984 KB Output is correct
17 Correct 98 ms 68860 KB Output is correct
18 Correct 54 ms 68984 KB Output is correct
19 Correct 55 ms 68984 KB Output is correct
20 Correct 67 ms 68856 KB Output is correct
21 Correct 49 ms 68984 KB Output is correct
22 Correct 52 ms 69240 KB Output is correct
23 Correct 52 ms 69112 KB Output is correct
24 Correct 50 ms 68984 KB Output is correct
25 Correct 49 ms 68864 KB Output is correct
26 Correct 49 ms 68600 KB Output is correct
27 Correct 55 ms 68728 KB Output is correct
28 Correct 53 ms 68736 KB Output is correct
29 Correct 61 ms 68600 KB Output is correct
30 Correct 58 ms 68600 KB Output is correct
31 Correct 2850 ms 176096 KB Output is correct
32 Correct 125 ms 72820 KB Output is correct
33 Correct 2217 ms 161760 KB Output is correct
34 Correct 2545 ms 163604 KB Output is correct
35 Correct 2794 ms 175628 KB Output is correct
36 Correct 2402 ms 174180 KB Output is correct
37 Correct 1661 ms 143880 KB Output is correct
38 Correct 1480 ms 143528 KB Output is correct
39 Correct 964 ms 119060 KB Output is correct
40 Correct 1040 ms 125172 KB Output is correct
41 Correct 1482 ms 134820 KB Output is correct
42 Correct 1502 ms 136380 KB Output is correct
43 Correct 112 ms 74912 KB Output is correct
44 Correct 1412 ms 133364 KB Output is correct
45 Correct 1129 ms 118516 KB Output is correct
46 Correct 717 ms 95348 KB Output is correct
47 Correct 564 ms 96008 KB Output is correct
48 Correct 498 ms 90484 KB Output is correct
49 Correct 729 ms 105096 KB Output is correct
50 Correct 1103 ms 131088 KB Output is correct
51 Correct 655 ms 98036 KB Output is correct
52 Execution timed out 5077 ms 413044 KB Time limit exceeded
53 Halted 0 ms 0 KB -