oj.uz

답안 #855186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
855186 2023-09-30T13:24:16 Z ooscode Pinball (JOI14_pinball) C++17
100 / 100
 306 ms 35172 KB 
// IN THE NAME OF ALLAH
 
#include<bits/stdc++.h>
 
using namespace std;
 
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define wall cerr << "------------------------------------" << endl
#define pb push_back
#define F first
#define S second
#define all(x) x.begin() , x.end()
#define int ll
#define kids int tm = (tl + tr)>>1; int cl = v<<1; int cr = v<<1|1
#define test int n; cin >> n; while(n--)

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
#pragma GCC optimize("Ofast")
 
typedef long long ll;
typedef pair<int , int> pii;
typedef pair<ll , ll> pll;
 
const int N = 3e5 + 10;
const int K = 2e3+10;
const ll mod = 1e9+7;
const ll INF = 1e18+10;
const int P = 31;
const int lg = 25;

int n;

struct segment {
	int st[N << 2];

	void init(int v , int tl , int tr) {
		st[v] = INF;
		if(tl == tr) 	
			return;

		kids;
		init(cl , tl , tm);
		init(cr , tm+1 , tr);
	}

	void upd(int v , int tl , int tr , int pos , int x) {
		if(tl == tr) {
			st[v] = min(st[v] , x);
			return;
		}

		kids;
		if(pos <= tm)
			upd(cl , tl , tm , pos , x);
		else	
			upd(cr , tm+1 , tr , pos , x);

		st[v] = min(st[cl] , st[cr]);
	}

	int ask(int v , int tl , int tr , int l , int r) {
		if(tl == l && tr == r)
			return st[v];
		if(l > r)
			return INF;
		kids;
		// cout << v << " " << min(ask(cl , tl , tm , l , min(tm , r)) , ask(cr , tm+1 , tr , max(l , tm+1) , r)) << "\n"; 
		return min(ask(cl , tl , tm , l , min(tm , r)) , ask(cr , tm+1 , tr , max(l , tm+1) , r));
	}
} seg , ges;

int a[N] , b[N] , c[N] , d[N];

void solve() {
	vector<int> vec;
	int n , m;
	cin >> n >> m;

	for(int i = 1 ; i <= n ; i++) {
		cin >> a[i] >> b[i] >> c[i] >> d[i];
		vec.pb(a[i]); vec.pb(b[i]); vec.pb(c[i]);
	}

	vec.pb(1); vec.pb(m);

	sort(all(vec)); vec.resize(unique(all(vec)) - vec.begin());

	m = vec.size();

	seg.init(1 , 1 , m); ges.init(1 , 1 , m);
	seg.upd(1 , 1 , m , 1 , 0);
	ges.upd(1 , 1 , m , m , 0);

	int ans = INF;

	for(int i = 1 ; i <= n ; i++) {
		int x = seg.ask(1 , 1 , m , lower_bound(all(vec) , a[i]) - vec.begin() + 1 , lower_bound(all(vec) , b[i]) - vec.begin() + 1);
		seg.upd(1 , 1 , m , lower_bound(all(vec) , c[i]) - vec.begin() + 1 , x+d[i]);

		int y = ges.ask(1 , 1 , m , lower_bound(all(vec) , a[i]) - vec.begin() + 1 , lower_bound(all(vec) , b[i]) - vec.begin() + 1);
		ges.upd(1 , 1 , m , lower_bound(all(vec) , c[i]) - vec.begin() + 1 , y+d[i]);

		ans = min(ans , x + y + d[i]);
	}

	if(ans >= INF) {
		cout << "-1\n";
		return;
	}

	cout << ans << "\n";
}

signed main()
{   
	solve();
} 

// IT'S EASY TO SEE
// CODE = LOVE

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 1 ms 10844 KB Output is correct
3 Correct 1 ms 10692 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 1 ms 10844 KB Output is correct
3 Correct 1 ms 10692 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10696 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 1 ms 10844 KB Output is correct
3 Correct 1 ms 10692 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10696 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 4 ms 10700 KB Output is correct
18 Correct 3 ms 10588 KB Output is correct
19 Correct 4 ms 10588 KB Output is correct
20 Correct 3 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 3 ms 10588 KB Output is correct
23 Correct 3 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 10588 KB Output is correct
2 Correct 1 ms 10844 KB Output is correct
3 Correct 1 ms 10692 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 1 ms 10584 KB Output is correct
8 Correct 2 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10584 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10696 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 1 ms 10588 KB Output is correct
16 Correct 2 ms 10588 KB Output is correct
17 Correct 4 ms 10700 KB Output is correct
18 Correct 3 ms 10588 KB Output is correct
19 Correct 4 ms 10588 KB Output is correct
20 Correct 3 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 3 ms 10588 KB Output is correct
23 Correct 3 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct
25 Correct 23 ms 11224 KB Output is correct
26 Correct 70 ms 16400 KB Output is correct
27 Correct 232 ms 21180 KB Output is correct
28 Correct 197 ms 19328 KB Output is correct
29 Correct 130 ms 20216 KB Output is correct
30 Correct 245 ms 20344 KB Output is correct
31 Correct 274 ms 27368 KB Output is correct
32 Correct 275 ms 24828 KB Output is correct
33 Correct 39 ms 14020 KB Output is correct
34 Correct 128 ms 24260 KB Output is correct
35 Correct 204 ms 34080 KB Output is correct
36 Correct 306 ms 34228 KB Output is correct
37 Correct 259 ms 35172 KB Output is correct
38 Correct 251 ms 33636 KB Output is correct