oj.uz

답안 #952759

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952759 2024-03-24T17:35:05 Z starchan Pinball (JOI14_pinball) C++17
100 / 100
 187 ms 36800 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
struct segment_tree
{
	vector<int> tree;
	void init(int n)
	{
		tree.assign(4*n+69, INF);
		return;
	}
	void upd(int pos, int va, int id, int l, int r)
	{
		if(l == r)
		{
			tree[id] = min(tree[id], va);
			return;
		}
		int m = (l+r)/2;
		if(pos <= m)
			upd(pos, va, 2*id, l, m);
		else
			upd(pos, va, 2*id+1, m+1, r);
		tree[id] = min(tree[2*id], tree[2*id+1]);
		return;
	}
	int val(int ql, int qr, int id, int l, int r)
	{
		if(r < ql || qr < l)
			return INF;
		if(ql <= l && r <= qr)
			return tree[id];
		int m = (l+r)/2;
		int s1 = val(ql, qr, 2*id, l, m);
		int s2 = val(ql, qr, 2*id+1, m+1, r);
		return min(s1, s2);
	}
};
vector<int> chungus;
int compress(int x)
{
	return lower_bound(chungus.begin(), chungus.end(), x) - chungus.begin();
}
signed main()
{
	fast();
	segment_tree work_l, work_r;
	int n, N;
	cin >> n >> N;
	work_l.init(3*n+1);
	work_r.init(3*n+1);
	vector<int> v;
	v.pb(1);
	v.pb(N);
	vector<int> a(n+1), b(n+1), c(n+1), d(n+1);
	for(int i = 1; i <= n; i++)
	{
		cin >> a[i] >> b[i] >> c[i] >> d[i];
		v.pb(a[i]);
		v.pb(b[i]);
		v.pb(c[i]);
	}
	chungus.pb(-INF);
	sort(v.begin(), v.end());
	for(auto x: v)
	{
		if(x!=chungus.back())
			chungus.pb(x);
	}
	for(int i = 1; i <= n; i++)
	{
		a[i] = compress(a[i]);
		b[i] = compress(b[i]);
		c[i] = compress(c[i]);
	}
	int L = compress(1);
	int R = compress(N);
	vector<int> dp_l, dp_r;
	dp_l.assign(n+1, INF);
	dp_r.assign(n+1, INF);	
	for(int i = 1; i <= n; i++)
	{
		if(a[i] == L)
			dp_l[i] = d[i];
		else
			dp_l[i] = d[i] + work_l.val(a[i], b[i], 1, L, R);
		dp_l[i] = min(dp_l[i], INF);
		work_l.upd(c[i], dp_l[i], 1, L, R);
	}
	for(int i = 1; i <= n; i++)
	{
		if(b[i] == R)
			dp_r[i] = d[i];
		else
			dp_r[i] = d[i] + work_r.val(a[i], b[i], 1, L, R);
		work_r.upd(c[i], dp_r[i], 1, L, R);
	}
	int ans = INF;
	for(int i = 1; i <= n; i++)
		ans = min(ans, dp_l[i]+dp_r[i]-d[i]);
	ans++; ans%=(INF+1); ans--;
	cout << ans << "\n";
	return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 612 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 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 0 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 1 ms 612 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 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 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 612 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 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 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 808 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 612 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 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 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 808 KB Output is correct
25 Correct 14 ms 3544 KB Output is correct
26 Correct 40 ms 8372 KB Output is correct
27 Correct 120 ms 22220 KB Output is correct
28 Correct 112 ms 31016 KB Output is correct
29 Correct 83 ms 16276 KB Output is correct
30 Correct 148 ms 32396 KB Output is correct
31 Correct 174 ms 31936 KB Output is correct
32 Correct 167 ms 32452 KB Output is correct
33 Correct 23 ms 6748 KB Output is correct
34 Correct 82 ms 17604 KB Output is correct
35 Correct 114 ms 35784 KB Output is correct
36 Correct 183 ms 36800 KB Output is correct
37 Correct 187 ms 36800 KB Output is correct
38 Correct 155 ms 35268 KB Output is correct