oj.uz

답안 #960025

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
960025 2024-04-09T13:58:13 Z LCJLY Pinball (JOI14_pinball) C++14
100 / 100
 378 ms 87124 KB 
#include <bits/stdc++.h>
using namespace std;	
 
#define int long long 
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<long long,int>pii;
//typedef pair<pii,pii>pi2;
typedef array<int,3>pi2;

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

inline int combine(int a, int b){
	return min(a,b);
}

struct node{
	int s,e,m;
	node *l,*r;
	int v;
	
	node(int ss, int ee):s(ss),e(ee),m((s+e)>>1),v(1e15){
		if(s!=e){
			l=new node(s,m);
			r=new node(m+1,e);
		}
	}

	void upd(int x, int y){
		if(s==e){
			v=min(v,y);
			return;
		}
		if(x<=m) l->upd(x,y);
		else r->upd(x,y);
		v=combine(l->v,r->v);
	}
	
	int query(int x, int y){
		if(x<=s&&y>=e){
			return v;
		}
		if(y<=m) return l->query(x,y);
		if(x>m) return r->query(x,y);
		return combine(l->query(x,m),r->query(m+1,y));
	}
};

void solve(){
	int n,m;
	cin >> n >> m;
	array<int,4>arr[n];
	vector<int>v;
	for(int x=0;x<n;x++){
		cin >> arr[x][0] >> arr[x][1] >> arr[x][2] >> arr[x][3];
		v.push_back(arr[x][0]);
		v.push_back(arr[x][1]);
		v.push_back(arr[x][2]);
	}
	v.push_back(1);
	v.push_back(m);
	
	sort(v.begin(),v.end());
	v.resize(unique(v.begin(),v.end())-v.begin());
	
	for(int x=0;x<n;x++){
		arr[x][0]=lower_bound(v.begin(),v.end(),arr[x][0])-v.begin()+1;
		arr[x][1]=lower_bound(v.begin(),v.end(),arr[x][1])-v.begin()+1;
		arr[x][2]=lower_bound(v.begin(),v.end(),arr[x][2])-v.begin()+1;
	}
	
	int sz=lower_bound(v.begin(),v.end(),m)-v.begin()+1;

	node st(0,sz+5);
	int prefix[n+5];
	st.upd(1,0);
	for(int x=0;x<n;x++){
		prefix[x]=1e15;
		int hold=st.query(arr[x][0],arr[x][1])+arr[x][3];
		st.upd(arr[x][2],hold);
		prefix[x]=hold;
	}
	
	node st2(0,sz+5);
	int suffix[n+5];
	st2.upd(sz,0);
	for(int x=0;x<n;x++){
		suffix[x]=1e15;
		
		int hold=st2.query(arr[x][0],arr[x][1])+arr[x][3];
		st2.upd(arr[x][2],hold);
		suffix[x]=hold;
	}
	
	int best=1e16;
	for(int x=0;x<n;x++){
		//show2(prefix[x],prefix[x],suffix[x],suffix[x]);
		best=min(best,prefix[x]+suffix[x]-arr[x][3]);
	}
	
	if(best>=1e15) cout << -1;
	else cout << best;
}
 
int32_t main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int t=1;
	//cin >> t;
	while(t--){
		solve();
	}
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 2 ms 860 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 2 ms 1112 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 2 ms 1116 KB Output is correct
23 Correct 2 ms 1116 KB Output is correct
24 Correct 2 ms 1112 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 2 ms 860 KB Output is correct
18 Correct 1 ms 600 KB Output is correct
19 Correct 2 ms 1112 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 2 ms 1116 KB Output is correct
23 Correct 2 ms 1116 KB Output is correct
24 Correct 2 ms 1112 KB Output is correct
25 Correct 17 ms 5596 KB Output is correct
26 Correct 60 ms 16844 KB Output is correct
27 Correct 158 ms 33136 KB Output is correct
28 Correct 112 ms 12232 KB Output is correct
29 Correct 111 ms 28612 KB Output is correct
30 Correct 151 ms 16088 KB Output is correct
31 Correct 274 ms 54812 KB Output is correct
32 Correct 237 ms 41656 KB Output is correct
33 Correct 30 ms 17164 KB Output is correct
34 Correct 129 ms 43380 KB Output is correct
35 Correct 175 ms 87124 KB Output is correct
36 Correct 378 ms 86456 KB Output is correct
37 Correct 291 ms 86228 KB Output is correct
38 Correct 267 ms 86208 KB Output is correct