Submission #240072

# Submission time Handle Problem Language Result Execution time Memory
240072 2020-06-17T22:47:51 Z alishahali1382 New Home (APIO18_new_home) C++14
47 / 100
5000 ms 426476 KB
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

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;

vector<pair<int*, int>> todo;
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.pb({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.back().first)=todo.back().second;
	todo.pop_back();
}

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


*/
# Verdict Execution time Memory Grader output
1 Correct 52 ms 68600 KB Output is correct
2 Correct 56 ms 68480 KB Output is correct
3 Correct 52 ms 68472 KB Output is correct
4 Correct 55 ms 68472 KB Output is correct
5 Correct 56 ms 68600 KB Output is correct
6 Correct 57 ms 68760 KB Output is correct
7 Correct 56 ms 69248 KB Output is correct
8 Correct 61 ms 69120 KB Output is correct
9 Correct 58 ms 69240 KB Output is correct
10 Correct 57 ms 68856 KB Output is correct
11 Correct 58 ms 68856 KB Output is correct
12 Correct 53 ms 68604 KB Output is correct
13 Correct 52 ms 68728 KB Output is correct
14 Correct 59 ms 68604 KB Output is correct
15 Correct 61 ms 68984 KB Output is correct
16 Correct 60 ms 69112 KB Output is correct
17 Correct 65 ms 68896 KB Output is correct
18 Correct 57 ms 68984 KB Output is correct
19 Correct 58 ms 68984 KB Output is correct
20 Correct 58 ms 68864 KB Output is correct
21 Correct 59 ms 68984 KB Output is correct
22 Correct 62 ms 69280 KB Output is correct
23 Correct 56 ms 69112 KB Output is correct
24 Correct 65 ms 69112 KB Output is correct
25 Correct 57 ms 68984 KB Output is correct
26 Correct 56 ms 68680 KB Output is correct
27 Correct 59 ms 68728 KB Output is correct
28 Correct 58 ms 68740 KB Output is correct
29 Correct 52 ms 68728 KB Output is correct
30 Correct 63 ms 68600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 52 ms 68600 KB Output is correct
2 Correct 56 ms 68480 KB Output is correct
3 Correct 52 ms 68472 KB Output is correct
4 Correct 55 ms 68472 KB Output is correct
5 Correct 56 ms 68600 KB Output is correct
6 Correct 57 ms 68760 KB Output is correct
7 Correct 56 ms 69248 KB Output is correct
8 Correct 61 ms 69120 KB Output is correct
9 Correct 58 ms 69240 KB Output is correct
10 Correct 57 ms 68856 KB Output is correct
11 Correct 58 ms 68856 KB Output is correct
12 Correct 53 ms 68604 KB Output is correct
13 Correct 52 ms 68728 KB Output is correct
14 Correct 59 ms 68604 KB Output is correct
15 Correct 61 ms 68984 KB Output is correct
16 Correct 60 ms 69112 KB Output is correct
17 Correct 65 ms 68896 KB Output is correct
18 Correct 57 ms 68984 KB Output is correct
19 Correct 58 ms 68984 KB Output is correct
20 Correct 58 ms 68864 KB Output is correct
21 Correct 59 ms 68984 KB Output is correct
22 Correct 62 ms 69280 KB Output is correct
23 Correct 56 ms 69112 KB Output is correct
24 Correct 65 ms 69112 KB Output is correct
25 Correct 57 ms 68984 KB Output is correct
26 Correct 56 ms 68680 KB Output is correct
27 Correct 59 ms 68728 KB Output is correct
28 Correct 58 ms 68740 KB Output is correct
29 Correct 52 ms 68728 KB Output is correct
30 Correct 63 ms 68600 KB Output is correct
31 Correct 2792 ms 182300 KB Output is correct
32 Correct 536 ms 73972 KB Output is correct
33 Correct 2152 ms 165012 KB Output is correct
34 Correct 2554 ms 167672 KB Output is correct
35 Correct 2724 ms 182224 KB Output is correct
36 Correct 2335 ms 177884 KB Output is correct
37 Correct 1635 ms 146800 KB Output is correct
38 Correct 1532 ms 146420 KB Output is correct
39 Correct 966 ms 122100 KB Output is correct
40 Correct 1029 ms 127988 KB Output is correct
41 Correct 1455 ms 138016 KB Output is correct
42 Correct 1495 ms 139296 KB Output is correct
43 Correct 206 ms 77228 KB Output is correct
44 Correct 1404 ms 136308 KB Output is correct
45 Correct 1114 ms 121484 KB Output is correct
46 Correct 684 ms 98292 KB Output is correct
47 Correct 562 ms 98808 KB Output is correct
48 Correct 481 ms 93428 KB Output is correct
49 Correct 722 ms 107636 KB Output is correct
50 Correct 1105 ms 134248 KB Output is correct
51 Correct 700 ms 100704 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 5095 ms 426476 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 5090 ms 388184 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 52 ms 68600 KB Output is correct
2 Correct 56 ms 68480 KB Output is correct
3 Correct 52 ms 68472 KB Output is correct
4 Correct 55 ms 68472 KB Output is correct
5 Correct 56 ms 68600 KB Output is correct
6 Correct 57 ms 68760 KB Output is correct
7 Correct 56 ms 69248 KB Output is correct
8 Correct 61 ms 69120 KB Output is correct
9 Correct 58 ms 69240 KB Output is correct
10 Correct 57 ms 68856 KB Output is correct
11 Correct 58 ms 68856 KB Output is correct
12 Correct 53 ms 68604 KB Output is correct
13 Correct 52 ms 68728 KB Output is correct
14 Correct 59 ms 68604 KB Output is correct
15 Correct 61 ms 68984 KB Output is correct
16 Correct 60 ms 69112 KB Output is correct
17 Correct 65 ms 68896 KB Output is correct
18 Correct 57 ms 68984 KB Output is correct
19 Correct 58 ms 68984 KB Output is correct
20 Correct 58 ms 68864 KB Output is correct
21 Correct 59 ms 68984 KB Output is correct
22 Correct 62 ms 69280 KB Output is correct
23 Correct 56 ms 69112 KB Output is correct
24 Correct 65 ms 69112 KB Output is correct
25 Correct 57 ms 68984 KB Output is correct
26 Correct 56 ms 68680 KB Output is correct
27 Correct 59 ms 68728 KB Output is correct
28 Correct 58 ms 68740 KB Output is correct
29 Correct 52 ms 68728 KB Output is correct
30 Correct 63 ms 68600 KB Output is correct
31 Correct 2792 ms 182300 KB Output is correct
32 Correct 536 ms 73972 KB Output is correct
33 Correct 2152 ms 165012 KB Output is correct
34 Correct 2554 ms 167672 KB Output is correct
35 Correct 2724 ms 182224 KB Output is correct
36 Correct 2335 ms 177884 KB Output is correct
37 Correct 1635 ms 146800 KB Output is correct
38 Correct 1532 ms 146420 KB Output is correct
39 Correct 966 ms 122100 KB Output is correct
40 Correct 1029 ms 127988 KB Output is correct
41 Correct 1455 ms 138016 KB Output is correct
42 Correct 1495 ms 139296 KB Output is correct
43 Correct 206 ms 77228 KB Output is correct
44 Correct 1404 ms 136308 KB Output is correct
45 Correct 1114 ms 121484 KB Output is correct
46 Correct 684 ms 98292 KB Output is correct
47 Correct 562 ms 98808 KB Output is correct
48 Correct 481 ms 93428 KB Output is correct
49 Correct 722 ms 107636 KB Output is correct
50 Correct 1105 ms 134248 KB Output is correct
51 Correct 700 ms 100704 KB Output is correct
52 Correct 2003 ms 216488 KB Output is correct
53 Correct 2005 ms 201268 KB Output is correct
54 Correct 2489 ms 199348 KB Output is correct
55 Correct 1649 ms 166748 KB Output is correct
56 Correct 1718 ms 178588 KB Output is correct
57 Correct 1531 ms 147184 KB Output is correct
58 Correct 1818 ms 168016 KB Output is correct
59 Correct 1965 ms 180548 KB Output is correct
60 Correct 1663 ms 148436 KB Output is correct
61 Correct 695 ms 142344 KB Output is correct
62 Correct 2017 ms 212868 KB Output is correct
63 Correct 2441 ms 199412 KB Output is correct
64 Correct 2366 ms 190872 KB Output is correct
65 Correct 2314 ms 171692 KB Output is correct
66 Correct 1692 ms 146372 KB Output is correct
67 Correct 684 ms 93440 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 52 ms 68600 KB Output is correct
2 Correct 56 ms 68480 KB Output is correct
3 Correct 52 ms 68472 KB Output is correct
4 Correct 55 ms 68472 KB Output is correct
5 Correct 56 ms 68600 KB Output is correct
6 Correct 57 ms 68760 KB Output is correct
7 Correct 56 ms 69248 KB Output is correct
8 Correct 61 ms 69120 KB Output is correct
9 Correct 58 ms 69240 KB Output is correct
10 Correct 57 ms 68856 KB Output is correct
11 Correct 58 ms 68856 KB Output is correct
12 Correct 53 ms 68604 KB Output is correct
13 Correct 52 ms 68728 KB Output is correct
14 Correct 59 ms 68604 KB Output is correct
15 Correct 61 ms 68984 KB Output is correct
16 Correct 60 ms 69112 KB Output is correct
17 Correct 65 ms 68896 KB Output is correct
18 Correct 57 ms 68984 KB Output is correct
19 Correct 58 ms 68984 KB Output is correct
20 Correct 58 ms 68864 KB Output is correct
21 Correct 59 ms 68984 KB Output is correct
22 Correct 62 ms 69280 KB Output is correct
23 Correct 56 ms 69112 KB Output is correct
24 Correct 65 ms 69112 KB Output is correct
25 Correct 57 ms 68984 KB Output is correct
26 Correct 56 ms 68680 KB Output is correct
27 Correct 59 ms 68728 KB Output is correct
28 Correct 58 ms 68740 KB Output is correct
29 Correct 52 ms 68728 KB Output is correct
30 Correct 63 ms 68600 KB Output is correct
31 Correct 2792 ms 182300 KB Output is correct
32 Correct 536 ms 73972 KB Output is correct
33 Correct 2152 ms 165012 KB Output is correct
34 Correct 2554 ms 167672 KB Output is correct
35 Correct 2724 ms 182224 KB Output is correct
36 Correct 2335 ms 177884 KB Output is correct
37 Correct 1635 ms 146800 KB Output is correct
38 Correct 1532 ms 146420 KB Output is correct
39 Correct 966 ms 122100 KB Output is correct
40 Correct 1029 ms 127988 KB Output is correct
41 Correct 1455 ms 138016 KB Output is correct
42 Correct 1495 ms 139296 KB Output is correct
43 Correct 206 ms 77228 KB Output is correct
44 Correct 1404 ms 136308 KB Output is correct
45 Correct 1114 ms 121484 KB Output is correct
46 Correct 684 ms 98292 KB Output is correct
47 Correct 562 ms 98808 KB Output is correct
48 Correct 481 ms 93428 KB Output is correct
49 Correct 722 ms 107636 KB Output is correct
50 Correct 1105 ms 134248 KB Output is correct
51 Correct 700 ms 100704 KB Output is correct
52 Execution timed out 5095 ms 426476 KB Time limit exceeded
53 Halted 0 ms 0 KB -