oj.uz

Submission #423847

# Submission time Handle Problem Language Result Execution time Memory
423847 2021-06-11T13:15:34 Z errorgorn Treatment Project (JOI20_treatment) C++17
39 / 100
 3000 ms 276212 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());

struct node{
	int s,e,m;
	set<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.insert(j);
		
		if (s==e) return;
		if (i<=m) l->ins(i,j);
		else r->ins(i,j);
	}
	
	void rem(int i,ii j){
		v.erase(j);
		
		if (s==e) return;
		if (i<=m) l->rem(i,j);
		else r->rem(i,j);
	}
	
	int query(int i,int j,int k){
		if (s==i && e==j){
			if (v.empty()) return -1;
			
			if ((*v.begin()).fi<=k) return (*v.begin()).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;
		}
	}
} *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));
		}
	}
	
	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;
				
				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}));
				
				root1->rem(v[x].dt,ii(v[x].l+v[x].t,x));
				root2->rem(v[x].dt,ii(v[x].l-v[x].t,x));
				
				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;
				
				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}));
				
				root1->rem(v[x].dt,ii(v[x].l+v[x].t,x));
				root2->rem(v[x].dt,ii(v[x].l-v[x].t,x));
				
				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:27:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |   s=_s,e=_e,m=s+e>>1;
      |               ~^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1322 ms 266956 KB Output is correct
2 Correct 1095 ms 267056 KB Output is correct
3 Correct 1091 ms 214596 KB Output is correct
4 Correct 1144 ms 214732 KB Output is correct
5 Correct 1246 ms 273920 KB Output is correct
6 Correct 1138 ms 267524 KB Output is correct
7 Correct 1211 ms 266956 KB Output is correct
8 Correct 865 ms 264716 KB Output is correct
9 Correct 797 ms 266660 KB Output is correct
10 Correct 633 ms 266908 KB Output is correct
11 Correct 1405 ms 276208 KB Output is correct
12 Correct 1517 ms 275912 KB Output is correct
13 Correct 1425 ms 276212 KB Output is correct
14 Correct 1411 ms 275984 KB Output is correct
15 Correct 1329 ms 267200 KB Output is correct
16 Correct 1310 ms 266928 KB Output is correct
17 Correct 1283 ms 267156 KB Output is correct
18 Correct 1382 ms 276192 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 37836 KB Output is correct
2 Correct 30 ms 37820 KB Output is correct
3 Correct 31 ms 37868 KB Output is correct
4 Correct 30 ms 37796 KB Output is correct
5 Correct 31 ms 37828 KB Output is correct
6 Correct 35 ms 37868 KB Output is correct
7 Correct 30 ms 37828 KB Output is correct
8 Correct 29 ms 37864 KB Output is correct
9 Correct 30 ms 37888 KB Output is correct
10 Correct 30 ms 37860 KB Output is correct
11 Correct 30 ms 37880 KB Output is correct
12 Correct 29 ms 37876 KB Output is correct
13 Correct 29 ms 37888 KB Output is correct
14 Correct 33 ms 37836 KB Output is correct
15 Correct 29 ms 37876 KB Output is correct
16 Correct 30 ms 37868 KB Output is correct
17 Correct 30 ms 37836 KB Output is correct
18 Correct 29 ms 37908 KB Output is correct
19 Correct 29 ms 37812 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 37836 KB Output is correct
2 Correct 30 ms 37820 KB Output is correct
3 Correct 31 ms 37868 KB Output is correct
4 Correct 30 ms 37796 KB Output is correct
5 Correct 31 ms 37828 KB Output is correct
6 Correct 35 ms 37868 KB Output is correct
7 Correct 30 ms 37828 KB Output is correct
8 Correct 29 ms 37864 KB Output is correct
9 Correct 30 ms 37888 KB Output is correct
10 Correct 30 ms 37860 KB Output is correct
11 Correct 30 ms 37880 KB Output is correct
12 Correct 29 ms 37876 KB Output is correct
13 Correct 29 ms 37888 KB Output is correct
14 Correct 33 ms 37836 KB Output is correct
15 Correct 29 ms 37876 KB Output is correct
16 Correct 30 ms 37868 KB Output is correct
17 Correct 30 ms 37836 KB Output is correct
18 Correct 29 ms 37908 KB Output is correct
19 Correct 29 ms 37812 KB Output is correct
20 Correct 78 ms 46788 KB Output is correct
21 Correct 81 ms 46708 KB Output is correct
22 Correct 114 ms 49220 KB Output is correct
23 Correct 82 ms 49216 KB Output is correct
24 Correct 84 ms 47884 KB Output is correct
25 Correct 93 ms 49304 KB Output is correct
26 Correct 85 ms 49492 KB Output is correct
27 Correct 87 ms 49408 KB Output is correct
28 Correct 93 ms 47940 KB Output is correct
29 Correct 87 ms 49196 KB Output is correct
30 Correct 59 ms 49476 KB Output is correct
31 Correct 63 ms 49472 KB Output is correct
32 Correct 105 ms 49928 KB Output is correct
33 Correct 105 ms 49928 KB Output is correct
34 Correct 111 ms 49468 KB Output is correct
35 Correct 109 ms 49988 KB Output is correct
36 Correct 101 ms 49964 KB Output is correct
37 Correct 100 ms 49384 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1322 ms 266956 KB Output is correct
2 Correct 1095 ms 267056 KB Output is correct
3 Correct 1091 ms 214596 KB Output is correct
4 Correct 1144 ms 214732 KB Output is correct
5 Correct 1246 ms 273920 KB Output is correct
6 Correct 1138 ms 267524 KB Output is correct
7 Correct 1211 ms 266956 KB Output is correct
8 Correct 865 ms 264716 KB Output is correct
9 Correct 797 ms 266660 KB Output is correct
10 Correct 633 ms 266908 KB Output is correct
11 Correct 1405 ms 276208 KB Output is correct
12 Correct 1517 ms 275912 KB Output is correct
13 Correct 1425 ms 276212 KB Output is correct
14 Correct 1411 ms 275984 KB Output is correct
15 Correct 1329 ms 267200 KB Output is correct
16 Correct 1310 ms 266928 KB Output is correct
17 Correct 1283 ms 267156 KB Output is correct
18 Correct 1382 ms 276192 KB Output is correct
19 Correct 30 ms 37836 KB Output is correct
20 Correct 30 ms 37820 KB Output is correct
21 Correct 31 ms 37868 KB Output is correct
22 Correct 30 ms 37796 KB Output is correct
23 Correct 31 ms 37828 KB Output is correct
24 Correct 35 ms 37868 KB Output is correct
25 Correct 30 ms 37828 KB Output is correct
26 Correct 29 ms 37864 KB Output is correct
27 Correct 30 ms 37888 KB Output is correct
28 Correct 30 ms 37860 KB Output is correct
29 Correct 30 ms 37880 KB Output is correct
30 Correct 29 ms 37876 KB Output is correct
31 Correct 29 ms 37888 KB Output is correct
32 Correct 33 ms 37836 KB Output is correct
33 Correct 29 ms 37876 KB Output is correct
34 Correct 30 ms 37868 KB Output is correct
35 Correct 30 ms 37836 KB Output is correct
36 Correct 29 ms 37908 KB Output is correct
37 Correct 29 ms 37812 KB Output is correct
38 Correct 78 ms 46788 KB Output is correct
39 Correct 81 ms 46708 KB Output is correct
40 Correct 114 ms 49220 KB Output is correct
41 Correct 82 ms 49216 KB Output is correct
42 Correct 84 ms 47884 KB Output is correct
43 Correct 93 ms 49304 KB Output is correct
44 Correct 85 ms 49492 KB Output is correct
45 Correct 87 ms 49408 KB Output is correct
46 Correct 93 ms 47940 KB Output is correct
47 Correct 87 ms 49196 KB Output is correct
48 Correct 59 ms 49476 KB Output is correct
49 Correct 63 ms 49472 KB Output is correct
50 Correct 105 ms 49928 KB Output is correct
51 Correct 105 ms 49928 KB Output is correct
52 Correct 111 ms 49468 KB Output is correct
53 Correct 109 ms 49988 KB Output is correct
54 Correct 101 ms 49964 KB Output is correct
55 Correct 100 ms 49384 KB Output is correct
56 Correct 1808 ms 214068 KB Output is correct
57 Correct 1735 ms 216712 KB Output is correct
58 Correct 2045 ms 266648 KB Output is correct
59 Correct 2031 ms 267128 KB Output is correct
60 Correct 2435 ms 266780 KB Output is correct
61 Correct 2039 ms 266712 KB Output is correct
62 Correct 1747 ms 216288 KB Output is correct
63 Correct 1842 ms 270872 KB Output is correct
64 Correct 1797 ms 270872 KB Output is correct
65 Correct 1552 ms 270204 KB Output is correct
66 Correct 2214 ms 266940 KB Output is correct
67 Correct 2796 ms 269656 KB Output is correct
68 Correct 2432 ms 271424 KB Output is correct
69 Correct 2015 ms 271096 KB Output is correct
70 Execution timed out 3105 ms 270564 KB Time limit exceeded
71 Halted 0 ms 0 KB -