oj.uz

답안 #1033149

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1033149 2024-07-24T13:23:17 Z juicy Pinball (JOI14_pinball) C++17
100 / 100
 161 ms 23680 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const long long inf = 1e18;

struct Segtree {
	int N;
	vector<long long> S;
	
	Segtree(int N): N(N) {
		S.resize(4 << __lg(N), inf);
	} 

	void upd(int i, long long x, int id, int l, int r) {
		if (l == r) {
			S[id] = min(S[id], x);
			return;
		}
		int md = (l + r) / 2;
		if (i <= md) {
			upd(i, x, id * 2, l, md);
		} else {
			upd(i, x, id * 2 + 1, md + 1, r);
		}
		S[id] = min(S[id * 2], S[id * 2 + 1]);
	}

	void upd(int i, long long x) {
		upd(i, x, 1, 1, N);
	}

	long long qry(int u, int v, int id, int l, int r) {
		if (u <= l && r <= v) {
			return S[id];
		}
		int md = (l + r) / 2;
		if (v <= md) {
			return qry(u, v, id * 2, l, md);
		}
		if (md < u) {
			return qry(u, v, id * 2 + 1, md + 1, r);
		}
		return min(qry(u, v, id * 2, l, md), qry(u, v, id * 2 + 1, md + 1, r));
	}

	long long qry(int u, int v) {
		return qry(u, v, 1, 1, N);
	}
};

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int M, N; cin >> M >> N;
	vector<int> comp = {1, N};
	vector<array<int, 4>> cands;
	for (int i = 0; i < M; ++i) {
		int a, b, c, d; cin >> a >> b >> c >> d;
		cands.push_back({a, b, c, d});
		for (int j = 0; j < 3; ++j) {
			comp.push_back(cands.back()[j]);
		}
	}
	sort(comp.begin(), comp.end());
	comp.erase(unique(comp.begin(), comp.end()), comp.end());
	for (int i = 0; i < M; ++i) {
		for (int j = 0; j < 3; ++j) {
			cands[i][j] = lower_bound(comp.begin(), comp.end(), cands[i][j]) - comp.begin() + 1;
		}
	}
	int K = comp.size();
	Segtree lt(K), rt(K);
	lt.upd(1, 0);
	rt.upd(K, 0);
	long long res = inf;
	for (int i = 0; i < M; ++i) {
		int l = cands[i][0], r = cands[i][1], x = cands[i][2];
		auto a = lt.qry(l, r), b = rt.qry(l, r); 
		if (a != inf && b != inf) {
			res = min(res, a + b + cands[i][3]);
		}
		if (a != inf) {
			lt.upd(x, a + cands[i][3]);
		}
		if (b != inf) {
			rt.upd(x, b + cands[i][3]);
		}
	}
	cout << (res == inf ? -1 : res);
	return 0;
}

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 456 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 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 456 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 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 456 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 516 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 604 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 456 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 516 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 11 ms 2008 KB Output is correct
26 Correct 34 ms 4304 KB Output is correct
27 Correct 94 ms 9396 KB Output is correct
28 Correct 94 ms 7608 KB Output is correct
29 Correct 62 ms 7872 KB Output is correct
30 Correct 109 ms 8000 KB Output is correct
31 Correct 161 ms 15536 KB Output is correct
32 Correct 151 ms 11444 KB Output is correct
33 Correct 17 ms 3796 KB Output is correct
34 Correct 59 ms 11960 KB Output is correct
35 Correct 84 ms 23676 KB Output is correct
36 Correct 143 ms 23664 KB Output is correct
37 Correct 119 ms 23680 KB Output is correct
38 Correct 116 ms 23472 KB Output is correct