oj.uz

답안 #250325

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
250325 2020-07-17T11:53:45 Z mode149256 Pinball (JOI14_pinball) C++14
100 / 100
 650 ms 137592 KB 
/*input
5 6
2 4 3 5
1 2 2 8
3 6 5 2
4 6 4 7
2 4 3 10
 
3 5
2 4 3 10
1 3 1 20
2 5 4 30
*/
#include <bits/stdc++.h>
using namespace std;
 
namespace my_template {
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;
 
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
 
typedef vector<int> vi;
typedef vector<vi> vii;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<vl> vll;
typedef vector<pi> vpi;
typedef vector<vpi> vpii;
typedef vector<pl> vpl;
typedef vector<cd> vcd;
typedef vector<pd> vpd;
typedef vector<bool> vb;
typedef vector<vb> vbb;
typedef std::string str;
typedef std::vector<str> vs;
 
#define x first
#define y second
#define debug(...) cout<<"["<<#__VA_ARGS__<<": "<<__VA_ARGS__<<"]\n"
 
const ld PI = 3.14159265358979323846264338327950288419716939937510582097494L;
 
template<typename T>
pair<T, T> operator+(const pair<T, T> &a, const pair<T, T> &b) { return pair<T, T>(a.x + b.x, a.y + b.y); }
template<typename T>
pair<T, T> operator-(const pair<T, T> &a, const pair<T, T> &b) { return pair<T, T>(a.x - b.x, a.y - b.y); }
template<typename T>
T operator*(const pair<T, T> &a, const pair<T, T> &b) { return (a.x * b.x + a.y * b.y); }
template<typename T>
T operator^(const pair<T, T> &a, const pair<T, T> &b) { return (a.x * b.y - a.y * b.x); }
 
template<typename T>
void print(vector<T> vec, string name = "") {
	cout << name;
	for (auto u : vec)
		cout << u << ' ';
	cout << '\n';
}
}
using namespace my_template;
 
const int MOD = 1000000007;
const ll INF = 1e15;
const int MX = 100101;
 
struct tral {
	int a, b, c, d;
};
 
struct node {
	int l, r;
	ll maz;
	node *left = nullptr;
	node *right = nullptr;
	node(int a, int b) : l(a), r(b), maz(INF) { }
	inline void add_left() { if (!left) left = new node(l, (l + r) / 2); }
	inline void add_right() { if (!right) right = new node((l + r) / 2 + 1, r); }
 
	void upd(int pos, ll val) {
		if (l == r) {
			maz = min(maz, val);
			return;
		}
		if (pos <= (l + r) / 2) {
			add_left();
			left->upd(pos, val);
		}
		else {
			add_right();
			right->upd(pos, val);
		}
 
		maz = min((left ? left->maz : INF), (right ? right->maz : INF));
	}
 
	ll get(int a, int b) {
		if (r < a or b < l) return INF;
		else if (a <= l and r <= b) return maz;
		else {
			return min((left ? left->get(a, b) : INF), (right ? right->get(a, b) : INF));
		}
	}
};
 
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int M, N;
	cin >> M >> N;
	vector<tral> sk(M);
	for (int i = 0; i < M; ++i)
	{
		int a, b, c, d; cin >> a >> b >> c >> d;
		sk[i] = {a, b, c, d};
	}
 
	ll ats = INF;
	{
		node Left(1, (int)1e9);
		node Right(1, (int)1e9);
		Left.upd(1, 0);
		Right.upd(N, 0);
 
		for (int i = 0; i < M; ++i)
		{
			ll l = Left.get(sk[i].a, sk[i].b);
			ll r = Right.get(sk[i].a, sk[i].b);
 
			ats = min(ats, l + r + sk[i].d);
			Left.upd(sk[i].c, sk[i].d + l);
			Right.upd(sk[i].c, sk[i].d + r);
		}
	}
 
	if (ats >= INF) printf("-1\n");
	else printf("%lld\n", ats);
 
	// reverse(sk.begin(), sk.end());
}
 
/* Look for:
* special cases (n=1?)
* overflow (ll vs int?)
* the exact constraints (multiple sets are too slow for n=10^6 :( )
* array bounds
*/

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 768 KB Output is correct
13 Correct 1 ms 768 KB Output is correct
14 Correct 1 ms 768 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 768 KB Output is correct
13 Correct 1 ms 768 KB Output is correct
14 Correct 1 ms 768 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 4 ms 1536 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 4 ms 2176 KB Output is correct
20 Correct 5 ms 1408 KB Output is correct
21 Correct 2 ms 896 KB Output is correct
22 Correct 5 ms 2048 KB Output is correct
23 Correct 4 ms 2432 KB Output is correct
24 Correct 4 ms 2304 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 768 KB Output is correct
13 Correct 1 ms 768 KB Output is correct
14 Correct 1 ms 768 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 4 ms 1536 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 4 ms 2176 KB Output is correct
20 Correct 5 ms 1408 KB Output is correct
21 Correct 2 ms 896 KB Output is correct
22 Correct 5 ms 2048 KB Output is correct
23 Correct 4 ms 2432 KB Output is correct
24 Correct 4 ms 2304 KB Output is correct
25 Correct 27 ms 6008 KB Output is correct
26 Correct 96 ms 23804 KB Output is correct
27 Correct 350 ms 52088 KB Output is correct
28 Correct 260 ms 3320 KB Output is correct
29 Correct 242 ms 52344 KB Output is correct
30 Correct 401 ms 17016 KB Output is correct
31 Correct 589 ms 99624 KB Output is correct
32 Correct 650 ms 80748 KB Output is correct
33 Correct 53 ms 19320 KB Output is correct
34 Correct 219 ms 66780 KB Output is correct
35 Correct 322 ms 137592 KB Output is correct
36 Correct 565 ms 133496 KB Output is correct
37 Correct 460 ms 133496 KB Output is correct
38 Correct 424 ms 133624 KB Output is correct