oj.uz

Submission #423859

# Submission time Handle Problem Language Result Execution time Memory
423859 2021-06-11T13:22:18 Z errorgorn Treatment Project (JOI20_treatment) C++17
100 / 100
 919 ms 124328 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);s<e?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

bool used[100005];

struct node{
	int s,e,m;
	vector<ii> v;
	node *l,*r;
	
	node (int _s,int _e){
		s=_s,e=_e,m=s+e>>1;
		
		if (s!=e){
			l=new node(s,m);
			r=new node(m+1,e);
		}
	}
	
	void ins(int i,ii j){
		v.pub(j);
		
		if (s==e) return;
		if (i<=m) l->ins(i,j);
		else r->ins(i,j);
	}
	
	int query(int i,int j,int k){
		if (s==i && e==j){
			while (!v.empty() && used[v.back().se]) v.pob();
			if (v.empty()) return -1;
			
			if (v.back().fi<=k) return v.back().se;
			else return -1;
		}
		else if (j<=m) return l->query(i,j,k);
		else if (m<i) return r->query(i,j,k);
		else{
			int temp=l->query(i,m,k);
			if (temp==-1) return r->query(m+1,j,k);
			else return temp;
		}
	}
	
	void proc(){
		sort(all(v),[](ii i,ii j){
			return i>j;
		});
		
		if (s!=e) l->proc(),r->proc();
	}
} *root1=new node(0,100005),*root2=new node(0,100005);

int n,k;

struct E{
	int l,r;
	int t;
	ll cost;
	
	int dt; //discretized time
};
vector<E> v;

struct upd{
	int segno; //which tree
	int i,j,k;
	ll val;
};

struct cmp{
	bool operator () (upd i,upd j){
		return i.val>j.val;
	}
};

priority_queue<upd,vector<upd>,cmp> pq;

int main(){
	cin.tie(0);
	cout.tie(0);
	cin.sync_with_stdio(false);
	
	cin>>n>>k;
	
	int a,b,c,d;
	rep(x,0,k){
		cin>>a>>b>>c>>d;
		v.pub({b,c+1,a,d});
	}
	
	vector<int> allt;
	rep(x,0,k) allt.pub(v[x].t);
	sort(all(allt));
	allt.erase(unique(all(allt)),allt.end());
	map<int,int> tid;
	rep(x,0,sz(allt)) tid[allt[x]]=x+1;
	rep(x,0,k) v[x].dt=tid[v[x].t];
	
	ll ans=1e18;
	
	rep(x,0,k){
		if (v[x].l==1){
			if (v[x].r==n+1) ans=min(ans,v[x].cost);
			
			pq.push(upd({1,v[x].dt,100005,v[x].r+v[x].t,v[x].cost}));
			pq.push(upd({2,0,v[x].dt-1,v[x].r-v[x].t,v[x].cost}));
		}
		else{
			root1->ins(v[x].dt,ii(v[x].l+v[x].t,x));
			root2->ins(v[x].dt,ii(v[x].l-v[x].t,x));
		}
	}
	
	root1->proc();
	root2->proc();
	
	while (!pq.empty()){
		upd u=pq.top();
		pq.pop();
		
		if (u.segno==1){
			while (true){
				int x=root1->query(u.i,u.j,u.k);
				if (x==-1) break;
				
				used[x]=true;
				
				pq.push(upd({1,v[x].dt,100005,v[x].r+v[x].t,v[x].cost+u.val}));
				pq.push(upd({2,0,v[x].dt-1,v[x].r-v[x].t,v[x].cost+u.val}));
				
				if (v[x].r==n+1) ans=min(ans,v[x].cost+u.val);
			}
		}
		else{
			while (true){
				int x=root2->query(u.i,u.j,u.k);
				if (x==-1) break;
				
				used[x]=true;
				
				pq.push(upd({1,v[x].dt,100005,v[x].r+v[x].t,v[x].cost+u.val}));
				pq.push(upd({2,0,v[x].dt-1,v[x].r-v[x].t,v[x].cost+u.val}));
				
				if (v[x].r==n+1) ans=min(ans,v[x].cost+u.val);
			}
		}
	}
	
	if (ans==1e18) cout<<"-1"<<endl;
	else cout<<ans<<endl;
}

Compilation message

treatment.cpp: In constructor 'node::node(int, int)':
treatment.cpp:29:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |   s=_s,e=_e,m=s+e>>1;
      |               ~^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 576 ms 98708 KB Output is correct
2 Correct 566 ms 98576 KB Output is correct
3 Correct 483 ms 96860 KB Output is correct
4 Correct 476 ms 96608 KB Output is correct
5 Correct 547 ms 104416 KB Output is correct
6 Correct 514 ms 98572 KB Output is correct
7 Correct 469 ms 98572 KB Output is correct
8 Correct 483 ms 98240 KB Output is correct
9 Correct 528 ms 98408 KB Output is correct
10 Correct 417 ms 98452 KB Output is correct
11 Correct 612 ms 104760 KB Output is correct
12 Correct 612 ms 104648 KB Output is correct
13 Correct 610 ms 104816 KB Output is correct
14 Correct 634 ms 104648 KB Output is correct
15 Correct 597 ms 98576 KB Output is correct
16 Correct 583 ms 98472 KB Output is correct
17 Correct 580 ms 98572 KB Output is correct
18 Correct 592 ms 104780 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 25364 KB Output is correct
2 Correct 34 ms 25312 KB Output is correct
3 Correct 27 ms 25304 KB Output is correct
4 Correct 28 ms 25368 KB Output is correct
5 Correct 24 ms 25288 KB Output is correct
6 Correct 28 ms 25284 KB Output is correct
7 Correct 27 ms 25284 KB Output is correct
8 Correct 30 ms 25340 KB Output is correct
9 Correct 26 ms 25364 KB Output is correct
10 Correct 30 ms 25316 KB Output is correct
11 Correct 27 ms 25292 KB Output is correct
12 Correct 27 ms 25336 KB Output is correct
13 Correct 26 ms 25292 KB Output is correct
14 Correct 27 ms 25340 KB Output is correct
15 Correct 26 ms 25340 KB Output is correct
16 Correct 27 ms 25320 KB Output is correct
17 Correct 29 ms 25284 KB Output is correct
18 Correct 27 ms 25352 KB Output is correct
19 Correct 29 ms 25388 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 25364 KB Output is correct
2 Correct 34 ms 25312 KB Output is correct
3 Correct 27 ms 25304 KB Output is correct
4 Correct 28 ms 25368 KB Output is correct
5 Correct 24 ms 25288 KB Output is correct
6 Correct 28 ms 25284 KB Output is correct
7 Correct 27 ms 25284 KB Output is correct
8 Correct 30 ms 25340 KB Output is correct
9 Correct 26 ms 25364 KB Output is correct
10 Correct 30 ms 25316 KB Output is correct
11 Correct 27 ms 25292 KB Output is correct
12 Correct 27 ms 25336 KB Output is correct
13 Correct 26 ms 25292 KB Output is correct
14 Correct 27 ms 25340 KB Output is correct
15 Correct 26 ms 25340 KB Output is correct
16 Correct 27 ms 25320 KB Output is correct
17 Correct 29 ms 25284 KB Output is correct
18 Correct 27 ms 25352 KB Output is correct
19 Correct 29 ms 25388 KB Output is correct
20 Correct 47 ms 28576 KB Output is correct
21 Correct 45 ms 28684 KB Output is correct
22 Correct 54 ms 29120 KB Output is correct
23 Correct 49 ms 29132 KB Output is correct
24 Correct 52 ms 29716 KB Output is correct
25 Correct 46 ms 29512 KB Output is correct
26 Correct 46 ms 29556 KB Output is correct
27 Correct 47 ms 29544 KB Output is correct
28 Correct 46 ms 29632 KB Output is correct
29 Correct 45 ms 29504 KB Output is correct
30 Correct 44 ms 29584 KB Output is correct
31 Correct 41 ms 29552 KB Output is correct
32 Correct 62 ms 30164 KB Output is correct
33 Correct 51 ms 30112 KB Output is correct
34 Correct 49 ms 29772 KB Output is correct
35 Correct 49 ms 30108 KB Output is correct
36 Correct 49 ms 30136 KB Output is correct
37 Correct 50 ms 29760 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 576 ms 98708 KB Output is correct
2 Correct 566 ms 98576 KB Output is correct
3 Correct 483 ms 96860 KB Output is correct
4 Correct 476 ms 96608 KB Output is correct
5 Correct 547 ms 104416 KB Output is correct
6 Correct 514 ms 98572 KB Output is correct
7 Correct 469 ms 98572 KB Output is correct
8 Correct 483 ms 98240 KB Output is correct
9 Correct 528 ms 98408 KB Output is correct
10 Correct 417 ms 98452 KB Output is correct
11 Correct 612 ms 104760 KB Output is correct
12 Correct 612 ms 104648 KB Output is correct
13 Correct 610 ms 104816 KB Output is correct
14 Correct 634 ms 104648 KB Output is correct
15 Correct 597 ms 98576 KB Output is correct
16 Correct 583 ms 98472 KB Output is correct
17 Correct 580 ms 98572 KB Output is correct
18 Correct 592 ms 104780 KB Output is correct
19 Correct 29 ms 25364 KB Output is correct
20 Correct 34 ms 25312 KB Output is correct
21 Correct 27 ms 25304 KB Output is correct
22 Correct 28 ms 25368 KB Output is correct
23 Correct 24 ms 25288 KB Output is correct
24 Correct 28 ms 25284 KB Output is correct
25 Correct 27 ms 25284 KB Output is correct
26 Correct 30 ms 25340 KB Output is correct
27 Correct 26 ms 25364 KB Output is correct
28 Correct 30 ms 25316 KB Output is correct
29 Correct 27 ms 25292 KB Output is correct
30 Correct 27 ms 25336 KB Output is correct
31 Correct 26 ms 25292 KB Output is correct
32 Correct 27 ms 25340 KB Output is correct
33 Correct 26 ms 25340 KB Output is correct
34 Correct 27 ms 25320 KB Output is correct
35 Correct 29 ms 25284 KB Output is correct
36 Correct 27 ms 25352 KB Output is correct
37 Correct 29 ms 25388 KB Output is correct
38 Correct 47 ms 28576 KB Output is correct
39 Correct 45 ms 28684 KB Output is correct
40 Correct 54 ms 29120 KB Output is correct
41 Correct 49 ms 29132 KB Output is correct
42 Correct 52 ms 29716 KB Output is correct
43 Correct 46 ms 29512 KB Output is correct
44 Correct 46 ms 29556 KB Output is correct
45 Correct 47 ms 29544 KB Output is correct
46 Correct 46 ms 29632 KB Output is correct
47 Correct 45 ms 29504 KB Output is correct
48 Correct 44 ms 29584 KB Output is correct
49 Correct 41 ms 29552 KB Output is correct
50 Correct 62 ms 30164 KB Output is correct
51 Correct 51 ms 30112 KB Output is correct
52 Correct 49 ms 29772 KB Output is correct
53 Correct 49 ms 30108 KB Output is correct
54 Correct 49 ms 30136 KB Output is correct
55 Correct 50 ms 29760 KB Output is correct
56 Correct 597 ms 89940 KB Output is correct
57 Correct 612 ms 90008 KB Output is correct
58 Correct 740 ms 101588 KB Output is correct
59 Correct 779 ms 101536 KB Output is correct
60 Correct 640 ms 93980 KB Output is correct
61 Correct 763 ms 101676 KB Output is correct
62 Correct 603 ms 90152 KB Output is correct
63 Correct 712 ms 107060 KB Output is correct
64 Correct 716 ms 107100 KB Output is correct
65 Correct 574 ms 98088 KB Output is correct
66 Correct 600 ms 93836 KB Output is correct
67 Correct 674 ms 106340 KB Output is correct
68 Correct 523 ms 105748 KB Output is correct
69 Correct 465 ms 101800 KB Output is correct
70 Correct 776 ms 106892 KB Output is correct
71 Correct 560 ms 109684 KB Output is correct
72 Correct 475 ms 109360 KB Output is correct
73 Correct 772 ms 110420 KB Output is correct
74 Correct 372 ms 109736 KB Output is correct
75 Correct 345 ms 109148 KB Output is correct
76 Correct 818 ms 124328 KB Output is correct
77 Correct 855 ms 120312 KB Output is correct
78 Correct 844 ms 124072 KB Output is correct
79 Correct 854 ms 111356 KB Output is correct
80 Correct 847 ms 115296 KB Output is correct
81 Correct 633 ms 111180 KB Output is correct
82 Correct 818 ms 114928 KB Output is correct
83 Correct 860 ms 110264 KB Output is correct
84 Correct 853 ms 110548 KB Output is correct
85 Correct 747 ms 110940 KB Output is correct
86 Correct 748 ms 111012 KB Output is correct
87 Correct 770 ms 110904 KB Output is correct
88 Correct 758 ms 110284 KB Output is correct
89 Correct 755 ms 110788 KB Output is correct
90 Correct 859 ms 120084 KB Output is correct
91 Correct 809 ms 116316 KB Output is correct
92 Correct 764 ms 110920 KB Output is correct
93 Correct 871 ms 111196 KB Output is correct
94 Correct 884 ms 111224 KB Output is correct
95 Correct 851 ms 111056 KB Output is correct
96 Correct 896 ms 120240 KB Output is correct
97 Correct 883 ms 120168 KB Output is correct
98 Correct 909 ms 120156 KB Output is correct
99 Correct 871 ms 120156 KB Output is correct
100 Correct 846 ms 114984 KB Output is correct
101 Correct 902 ms 120016 KB Output is correct
102 Correct 919 ms 120124 KB Output is correct
103 Correct 839 ms 112296 KB Output is correct