oj.uz

Submission #220222

# Submission time Handle Problem Language Result Execution time Memory
220222 2020-04-07T11:19:55 Z atoiz Treatment Project (JOI20_treatment) C++14
100 / 100
 183 ms 8944 KB 
/*input
10 5
2 5 10 3
1 1 6 5
5 2 8 3
7 6 10 4
4 1 3 1
*/

#include <iostream>
#include <vector>
#include <algorithm>
#include <queue>
#include <cassert>
#include <time.h>

using namespace std;

const int64_t INFLL = 1e17;
const int MAXN = 100007, INF = 2e9 + 9;
int N, M, T[MAXN], R[MAXN], L[MAXN], C[MAXN];
int64_t dist[MAXN];

struct Point
{ 
	int x, y, id; 
	Point (int _x, int _y, int _id): x(_x), y(_y), id(_id) {}
};
// bool compY(const Point &p, const Point &q) { return p.y == q.y ? p.x < q.x : p.y < q.y; }

vector<Point> pnts;
int min_y[MAXN << 2];
priority_queue<pair<int64_t, int>, vector<pair<int64_t, int>>, greater<pair<int64_t, int>>> pq;

void build(int rt = 1, int lo = 0, int hi = M - 1)
{
	if (lo == hi) {
		min_y[rt] = pnts[lo].y;
		return;
	}

	int md = (lo + hi) >> 1;
	build(rt << 1, lo, md);
	build(rt << 1 | 1, md + 1, hi);
	min_y[rt] = min(min_y[rt << 1], min_y[rt << 1 | 1]);
}

void upd(int rx, int ry, int64_t val, int rt = 1, int lo = 0, int hi = M - 1)
{
	if (rx < pnts[lo].x || min_y[rt] > ry) return;
	if (pnts[hi].x <= rx && lo == hi) {
		int id = pnts[lo].id;
		if (dist[id] > val + C[id]) {
			dist[id] = val + C[id];
			pq.emplace(dist[id], id);
		}
		min_y[rt] = INF;
		return;
	}

	int md = (lo + hi) >> 1;
	upd(rx, ry, val, rt << 1, lo, md);
	upd(rx, ry, val, rt << 1 | 1, md + 1, hi);
	min_y[rt] = min(min_y[rt << 1], min_y[rt << 1 | 1]);
}

int main()
{
	// freopen("in.txt", "r", stdin);
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> M;
	pnts.reserve(M);
	for (int i = 1; i <= M; ++i) {
		cin >> T[i] >> L[i] >> R[i] >> C[i];
		pnts.emplace_back(L[i] - T[i], L[i] + T[i], i);
	}
	sort(pnts.begin(), pnts.end(), [&](const Point &p, const Point &q) { return p.x == q.x ? p.y < q.y : p.x < q.x; });

	build();
	for (int i = 1; i <= M; ++i) {
		if (L[i] == 1) {
			dist[i] = C[i];
			pq.emplace(dist[i], i);
		} else {
			dist[i] = INFLL;
		}
	}

	while (!pq.empty()) {
		int u = pq.top().second;
		assert(dist[u] == pq.top().first);
		pq.pop();
		upd(1 + R[u] - T[u], 1 + R[u] + T[u], dist[u]);
	}

	int64_t ans = INFLL;
	for (int i = 1; i <= M; ++i) if (R[i] == N) {
		ans = min(ans, dist[i]);
	}
	if (ans == INFLL) ans = -1;
	cout << ans << endl;
	cerr << 1.0 * clock() / CLOCKS_PER_SEC << endl;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 4856 KB Output is correct
2 Correct 86 ms 4856 KB Output is correct
3 Correct 92 ms 6132 KB Output is correct
4 Correct 88 ms 5472 KB Output is correct
5 Correct 86 ms 7152 KB Output is correct
6 Correct 81 ms 5112 KB Output is correct
7 Correct 79 ms 4856 KB Output is correct
8 Correct 73 ms 4984 KB Output is correct
9 Correct 62 ms 4984 KB Output is correct
10 Correct 76 ms 4984 KB Output is correct
11 Correct 126 ms 7152 KB Output is correct
12 Correct 96 ms 7152 KB Output is correct
13 Correct 98 ms 7128 KB Output is correct
14 Correct 96 ms 7068 KB Output is correct
15 Correct 85 ms 5240 KB Output is correct
16 Correct 91 ms 5012 KB Output is correct
17 Correct 73 ms 4856 KB Output is correct
18 Correct 84 ms 7024 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 384 KB Output is correct
2 Correct 7 ms 432 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 384 KB Output is correct
2 Correct 7 ms 432 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 6 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 9 ms 768 KB Output is correct
21 Correct 9 ms 768 KB Output is correct
22 Correct 10 ms 640 KB Output is correct
23 Correct 9 ms 640 KB Output is correct
24 Correct 9 ms 768 KB Output is correct
25 Correct 9 ms 640 KB Output is correct
26 Correct 9 ms 640 KB Output is correct
27 Correct 9 ms 640 KB Output is correct
28 Correct 9 ms 768 KB Output is correct
29 Correct 11 ms 640 KB Output is correct
30 Correct 8 ms 640 KB Output is correct
31 Correct 8 ms 640 KB Output is correct
32 Correct 9 ms 768 KB Output is correct
33 Correct 9 ms 768 KB Output is correct
34 Correct 9 ms 640 KB Output is correct
35 Correct 11 ms 768 KB Output is correct
36 Correct 10 ms 896 KB Output is correct
37 Correct 8 ms 640 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 4856 KB Output is correct
2 Correct 86 ms 4856 KB Output is correct
3 Correct 92 ms 6132 KB Output is correct
4 Correct 88 ms 5472 KB Output is correct
5 Correct 86 ms 7152 KB Output is correct
6 Correct 81 ms 5112 KB Output is correct
7 Correct 79 ms 4856 KB Output is correct
8 Correct 73 ms 4984 KB Output is correct
9 Correct 62 ms 4984 KB Output is correct
10 Correct 76 ms 4984 KB Output is correct
11 Correct 126 ms 7152 KB Output is correct
12 Correct 96 ms 7152 KB Output is correct
13 Correct 98 ms 7128 KB Output is correct
14 Correct 96 ms 7068 KB Output is correct
15 Correct 85 ms 5240 KB Output is correct
16 Correct 91 ms 5012 KB Output is correct
17 Correct 73 ms 4856 KB Output is correct
18 Correct 84 ms 7024 KB Output is correct
19 Correct 8 ms 384 KB Output is correct
20 Correct 7 ms 432 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 4 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 9 ms 768 KB Output is correct
39 Correct 9 ms 768 KB Output is correct
40 Correct 10 ms 640 KB Output is correct
41 Correct 9 ms 640 KB Output is correct
42 Correct 9 ms 768 KB Output is correct
43 Correct 9 ms 640 KB Output is correct
44 Correct 9 ms 640 KB Output is correct
45 Correct 9 ms 640 KB Output is correct
46 Correct 9 ms 768 KB Output is correct
47 Correct 11 ms 640 KB Output is correct
48 Correct 8 ms 640 KB Output is correct
49 Correct 8 ms 640 KB Output is correct
50 Correct 9 ms 768 KB Output is correct
51 Correct 9 ms 768 KB Output is correct
52 Correct 9 ms 640 KB Output is correct
53 Correct 11 ms 768 KB Output is correct
54 Correct 10 ms 896 KB Output is correct
55 Correct 8 ms 640 KB Output is correct
56 Correct 101 ms 6132 KB Output is correct
57 Correct 103 ms 6004 KB Output is correct
58 Correct 98 ms 4968 KB Output is correct
59 Correct 113 ms 4984 KB Output is correct
60 Correct 110 ms 4856 KB Output is correct
61 Correct 98 ms 6264 KB Output is correct
62 Correct 103 ms 6128 KB Output is correct
63 Correct 96 ms 4856 KB Output is correct
64 Correct 98 ms 4984 KB Output is correct
65 Correct 98 ms 4856 KB Output is correct
66 Correct 101 ms 4984 KB Output is correct
67 Correct 111 ms 5112 KB Output is correct
68 Correct 117 ms 4984 KB Output is correct
69 Correct 110 ms 4856 KB Output is correct
70 Correct 120 ms 6392 KB Output is correct
71 Correct 118 ms 4984 KB Output is correct
72 Correct 121 ms 4856 KB Output is correct
73 Correct 143 ms 5096 KB Output is correct
74 Correct 79 ms 4856 KB Output is correct
75 Correct 73 ms 4844 KB Output is correct
76 Correct 92 ms 7024 KB Output is correct
77 Correct 117 ms 8944 KB Output is correct
78 Correct 98 ms 7024 KB Output is correct
79 Correct 152 ms 4984 KB Output is correct
80 Correct 88 ms 4984 KB Output is correct
81 Correct 72 ms 4984 KB Output is correct
82 Correct 97 ms 5112 KB Output is correct
83 Correct 89 ms 5112 KB Output is correct
84 Correct 134 ms 5112 KB Output is correct
85 Correct 102 ms 4984 KB Output is correct
86 Correct 100 ms 5752 KB Output is correct
87 Correct 113 ms 4856 KB Output is correct
88 Correct 183 ms 4984 KB Output is correct
89 Correct 106 ms 4984 KB Output is correct
90 Correct 117 ms 7152 KB Output is correct
91 Correct 132 ms 6132 KB Output is correct
92 Correct 116 ms 4856 KB Output is correct
93 Correct 120 ms 5088 KB Output is correct
94 Correct 101 ms 6008 KB Output is correct
95 Correct 126 ms 4988 KB Output is correct
96 Correct 108 ms 7024 KB Output is correct
97 Correct 126 ms 7024 KB Output is correct
98 Correct 106 ms 7152 KB Output is correct
99 Correct 108 ms 7152 KB Output is correct
100 Correct 98 ms 7792 KB Output is correct
101 Correct 111 ms 8028 KB Output is correct
102 Correct 101 ms 7132 KB Output is correct
103 Correct 86 ms 5240 KB Output is correct