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답안 #240075

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
240075 2020-06-17T22:56:32 Z alishahali1382 새 집 (APIO18_new_home) C++14
47 / 100
 5000 ms 413056 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;

int Todo;
pair<int*, int> todo[10000000];
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

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 68480 KB Output is correct
2 Correct 52 ms 68472 KB Output is correct
3 Correct 49 ms 68472 KB Output is correct
4 Correct 49 ms 68480 KB Output is correct
5 Correct 50 ms 68604 KB Output is correct
6 Correct 54 ms 68728 KB Output is correct
7 Correct 56 ms 69112 KB Output is correct
8 Correct 54 ms 68984 KB Output is correct
9 Correct 59 ms 69240 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 53 ms 68728 KB Output is correct
12 Correct 52 ms 68636 KB Output is correct
13 Correct 52 ms 68600 KB Output is correct
14 Correct 51 ms 68604 KB Output is correct
15 Correct 54 ms 68984 KB Output is correct
16 Correct 54 ms 68992 KB Output is correct
17 Correct 56 ms 68856 KB Output is correct
18 Correct 59 ms 68984 KB Output is correct
19 Correct 54 ms 68984 KB Output is correct
20 Correct 54 ms 68856 KB Output is correct
21 Correct 52 ms 68992 KB Output is correct
22 Correct 54 ms 69240 KB Output is correct
23 Correct 56 ms 68988 KB Output is correct
24 Correct 56 ms 68984 KB Output is correct
25 Correct 56 ms 68856 KB Output is correct
26 Correct 52 ms 68600 KB Output is correct
27 Correct 51 ms 68604 KB Output is correct
28 Correct 58 ms 68604 KB Output is correct
29 Correct 51 ms 68600 KB Output is correct
30 Correct 51 ms 68600 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 68480 KB Output is correct
2 Correct 52 ms 68472 KB Output is correct
3 Correct 49 ms 68472 KB Output is correct
4 Correct 49 ms 68480 KB Output is correct
5 Correct 50 ms 68604 KB Output is correct
6 Correct 54 ms 68728 KB Output is correct
7 Correct 56 ms 69112 KB Output is correct
8 Correct 54 ms 68984 KB Output is correct
9 Correct 59 ms 69240 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 53 ms 68728 KB Output is correct
12 Correct 52 ms 68636 KB Output is correct
13 Correct 52 ms 68600 KB Output is correct
14 Correct 51 ms 68604 KB Output is correct
15 Correct 54 ms 68984 KB Output is correct
16 Correct 54 ms 68992 KB Output is correct
17 Correct 56 ms 68856 KB Output is correct
18 Correct 59 ms 68984 KB Output is correct
19 Correct 54 ms 68984 KB Output is correct
20 Correct 54 ms 68856 KB Output is correct
21 Correct 52 ms 68992 KB Output is correct
22 Correct 54 ms 69240 KB Output is correct
23 Correct 56 ms 68988 KB Output is correct
24 Correct 56 ms 68984 KB Output is correct
25 Correct 56 ms 68856 KB Output is correct
26 Correct 52 ms 68600 KB Output is correct
27 Correct 51 ms 68604 KB Output is correct
28 Correct 58 ms 68604 KB Output is correct
29 Correct 51 ms 68600 KB Output is correct
30 Correct 51 ms 68600 KB Output is correct
31 Correct 2750 ms 176096 KB Output is correct
32 Correct 518 ms 72948 KB Output is correct
33 Correct 2292 ms 161652 KB Output is correct
34 Correct 2569 ms 163700 KB Output is correct
35 Correct 2795 ms 175772 KB Output is correct
36 Correct 2428 ms 174312 KB Output is correct
37 Correct 1760 ms 143732 KB Output is correct
38 Correct 1473 ms 143348 KB Output is correct
39 Correct 965 ms 119028 KB Output is correct
40 Correct 1054 ms 125300 KB Output is correct
41 Correct 1456 ms 134868 KB Output is correct
42 Correct 1512 ms 136268 KB Output is correct
43 Correct 205 ms 74784 KB Output is correct
44 Correct 1441 ms 133236 KB Output is correct
45 Correct 1118 ms 118516 KB Output is correct
46 Correct 701 ms 95476 KB Output is correct
47 Correct 590 ms 96120 KB Output is correct
48 Correct 515 ms 90516 KB Output is correct
49 Correct 740 ms 104944 KB Output is correct
50 Correct 1111 ms 131316 KB Output is correct
51 Correct 632 ms 97908 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5098 ms 413056 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5084 ms 370428 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 68480 KB Output is correct
2 Correct 52 ms 68472 KB Output is correct
3 Correct 49 ms 68472 KB Output is correct
4 Correct 49 ms 68480 KB Output is correct
5 Correct 50 ms 68604 KB Output is correct
6 Correct 54 ms 68728 KB Output is correct
7 Correct 56 ms 69112 KB Output is correct
8 Correct 54 ms 68984 KB Output is correct
9 Correct 59 ms 69240 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 53 ms 68728 KB Output is correct
12 Correct 52 ms 68636 KB Output is correct
13 Correct 52 ms 68600 KB Output is correct
14 Correct 51 ms 68604 KB Output is correct
15 Correct 54 ms 68984 KB Output is correct
16 Correct 54 ms 68992 KB Output is correct
17 Correct 56 ms 68856 KB Output is correct
18 Correct 59 ms 68984 KB Output is correct
19 Correct 54 ms 68984 KB Output is correct
20 Correct 54 ms 68856 KB Output is correct
21 Correct 52 ms 68992 KB Output is correct
22 Correct 54 ms 69240 KB Output is correct
23 Correct 56 ms 68988 KB Output is correct
24 Correct 56 ms 68984 KB Output is correct
25 Correct 56 ms 68856 KB Output is correct
26 Correct 52 ms 68600 KB Output is correct
27 Correct 51 ms 68604 KB Output is correct
28 Correct 58 ms 68604 KB Output is correct
29 Correct 51 ms 68600 KB Output is correct
30 Correct 51 ms 68600 KB Output is correct
31 Correct 2750 ms 176096 KB Output is correct
32 Correct 518 ms 72948 KB Output is correct
33 Correct 2292 ms 161652 KB Output is correct
34 Correct 2569 ms 163700 KB Output is correct
35 Correct 2795 ms 175772 KB Output is correct
36 Correct 2428 ms 174312 KB Output is correct
37 Correct 1760 ms 143732 KB Output is correct
38 Correct 1473 ms 143348 KB Output is correct
39 Correct 965 ms 119028 KB Output is correct
40 Correct 1054 ms 125300 KB Output is correct
41 Correct 1456 ms 134868 KB Output is correct
42 Correct 1512 ms 136268 KB Output is correct
43 Correct 205 ms 74784 KB Output is correct
44 Correct 1441 ms 133236 KB Output is correct
45 Correct 1118 ms 118516 KB Output is correct
46 Correct 701 ms 95476 KB Output is correct
47 Correct 590 ms 96120 KB Output is correct
48 Correct 515 ms 90516 KB Output is correct
49 Correct 740 ms 104944 KB Output is correct
50 Correct 1111 ms 131316 KB Output is correct
51 Correct 632 ms 97908 KB Output is correct
52 Correct 2028 ms 211928 KB Output is correct
53 Correct 1919 ms 196704 KB Output is correct
54 Correct 2514 ms 191704 KB Output is correct
55 Correct 1672 ms 163368 KB Output is correct
56 Correct 1769 ms 174384 KB Output is correct
57 Correct 1559 ms 143828 KB Output is correct
58 Correct 1795 ms 163980 KB Output is correct
59 Correct 2024 ms 175960 KB Output is correct
60 Correct 1635 ms 145288 KB Output is correct
61 Correct 679 ms 139744 KB Output is correct
62 Correct 2089 ms 206484 KB Output is correct
63 Correct 2320 ms 195800 KB Output is correct
64 Correct 2369 ms 186652 KB Output is correct
65 Correct 2237 ms 168540 KB Output is correct
66 Correct 1645 ms 143220 KB Output is correct
67 Correct 658 ms 92176 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 68480 KB Output is correct
2 Correct 52 ms 68472 KB Output is correct
3 Correct 49 ms 68472 KB Output is correct
4 Correct 49 ms 68480 KB Output is correct
5 Correct 50 ms 68604 KB Output is correct
6 Correct 54 ms 68728 KB Output is correct
7 Correct 56 ms 69112 KB Output is correct
8 Correct 54 ms 68984 KB Output is correct
9 Correct 59 ms 69240 KB Output is correct
10 Correct 55 ms 68856 KB Output is correct
11 Correct 53 ms 68728 KB Output is correct
12 Correct 52 ms 68636 KB Output is correct
13 Correct 52 ms 68600 KB Output is correct
14 Correct 51 ms 68604 KB Output is correct
15 Correct 54 ms 68984 KB Output is correct
16 Correct 54 ms 68992 KB Output is correct
17 Correct 56 ms 68856 KB Output is correct
18 Correct 59 ms 68984 KB Output is correct
19 Correct 54 ms 68984 KB Output is correct
20 Correct 54 ms 68856 KB Output is correct
21 Correct 52 ms 68992 KB Output is correct
22 Correct 54 ms 69240 KB Output is correct
23 Correct 56 ms 68988 KB Output is correct
24 Correct 56 ms 68984 KB Output is correct
25 Correct 56 ms 68856 KB Output is correct
26 Correct 52 ms 68600 KB Output is correct
27 Correct 51 ms 68604 KB Output is correct
28 Correct 58 ms 68604 KB Output is correct
29 Correct 51 ms 68600 KB Output is correct
30 Correct 51 ms 68600 KB Output is correct
31 Correct 2750 ms 176096 KB Output is correct
32 Correct 518 ms 72948 KB Output is correct
33 Correct 2292 ms 161652 KB Output is correct
34 Correct 2569 ms 163700 KB Output is correct
35 Correct 2795 ms 175772 KB Output is correct
36 Correct 2428 ms 174312 KB Output is correct
37 Correct 1760 ms 143732 KB Output is correct
38 Correct 1473 ms 143348 KB Output is correct
39 Correct 965 ms 119028 KB Output is correct
40 Correct 1054 ms 125300 KB Output is correct
41 Correct 1456 ms 134868 KB Output is correct
42 Correct 1512 ms 136268 KB Output is correct
43 Correct 205 ms 74784 KB Output is correct
44 Correct 1441 ms 133236 KB Output is correct
45 Correct 1118 ms 118516 KB Output is correct
46 Correct 701 ms 95476 KB Output is correct
47 Correct 590 ms 96120 KB Output is correct
48 Correct 515 ms 90516 KB Output is correct
49 Correct 740 ms 104944 KB Output is correct
50 Correct 1111 ms 131316 KB Output is correct
51 Correct 632 ms 97908 KB Output is correct
52 Execution timed out 5098 ms 413056 KB Time limit exceeded
53 Halted 0 ms 0 KB -