Submission #200065

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
200065	2020-02-05T08:13:29 Z	maruii	Arranging Tickets (JOI17_arranging_tickets)	C++14	100 / 100	966 ms	14632 KB

arranging_tickets

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define ff first
#define ss second

int N, M, L;
ll A[200005], X[200005], mx, S[200005];
vector<pii> V[200005];
bool g(ll m, ll n, int p) {
	fill(S, S + N + 1, 0);
	priority_queue<pii> pq;
	ll s = 0;
	for (int i = 1; i <= p; ++i) {
		for (auto j : V[i]) if (j.ff > p) pq.push(j);
		while (s < X[i]) {
			if (pq.empty()) return 0;
			auto t = pq.top(); pq.pop();
			if (s + t.ss <= X[i]) {
				S[t.ff] += t.ss;
				s += t.ss;
			}
			else {
				S[t.ff] += X[i] - s;
				t.ss -= X[i] - s;
				s = X[i];
				pq.push(t);
			}
		}
	}
	for (int i = p + 1; i <= N; ++i) {
		s -= S[i];
		if (A[i] - s + n - s > m) return 0;
	}
	return 1;
}
bool f(ll m) {
	for (ll n = mx - m; n <= mx - m + 1; ++n) {
		for (int i = 1; i <= L; ++i) X[i] = (A[i] + n - m + 1) / 2;
		if (g(m, n, L)) return 1;
	}
	return 0;
}
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> N >> M;
	for (int i = 1; i <= M; ++i) {
		int a, b, c; cin >> a >> b >> c;
		if (a > b) swap(a, b);
		A[a] += c;
		A[b] -= c;
		V[a].emplace_back(b, c);
	}
	for (int i = 1; i <= N; ++i) A[i] += A[i - 1];
	mx = *max_element(A + 1, A + N + 1);
	for (int i = 1; i <= N; ++i) if (mx == A[i]) {
		L = i;
		break;
	}
	ll l = 1, r = mx;
	while (l < r) {
		ll m = l + r >> 1;
		if (f(m)) r = m;
		else l = m + 1;
	}
	cout << l;
	return 0;
 }

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	4984 KB	Output is correct
2	Correct	11 ms	4984 KB	Output is correct
3	Correct	7 ms	4984 KB	Output is correct
4	Correct	7 ms	4984 KB	Output is correct
5	Correct	7 ms	4984 KB	Output is correct
6	Correct	7 ms	4984 KB	Output is correct
7	Correct	7 ms	5112 KB	Output is correct
8	Correct	7 ms	5112 KB	Output is correct
9	Correct	7 ms	4988 KB	Output is correct
10	Correct	8 ms	4984 KB	Output is correct
11	Correct	8 ms	4984 KB	Output is correct
12	Correct	7 ms	4984 KB	Output is correct
13	Correct	7 ms	4984 KB	Output is correct
14	Correct	8 ms	4984 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct

Subtask #2
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	4984 KB	Output is correct
2	Correct	11 ms	4984 KB	Output is correct
3	Correct	7 ms	4984 KB	Output is correct
4	Correct	7 ms	4984 KB	Output is correct
5	Correct	7 ms	4984 KB	Output is correct
6	Correct	7 ms	4984 KB	Output is correct
7	Correct	7 ms	5112 KB	Output is correct
8	Correct	7 ms	5112 KB	Output is correct
9	Correct	7 ms	4988 KB	Output is correct
10	Correct	8 ms	4984 KB	Output is correct
11	Correct	8 ms	4984 KB	Output is correct
12	Correct	7 ms	4984 KB	Output is correct
13	Correct	7 ms	4984 KB	Output is correct
14	Correct	8 ms	4984 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	7 ms	5112 KB	Output is correct
17	Correct	8 ms	5112 KB	Output is correct
18	Correct	8 ms	5112 KB	Output is correct
19	Correct	7 ms	5116 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	7 ms	5112 KB	Output is correct
22	Correct	7 ms	4984 KB	Output is correct
23	Correct	8 ms	5112 KB	Output is correct
24	Correct	8 ms	4984 KB	Output is correct
25	Correct	8 ms	5112 KB	Output is correct
26	Correct	8 ms	5112 KB	Output is correct
27	Correct	8 ms	4984 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	4984 KB	Output is correct
2	Correct	11 ms	4984 KB	Output is correct
3	Correct	7 ms	4984 KB	Output is correct
4	Correct	7 ms	4984 KB	Output is correct
5	Correct	7 ms	4984 KB	Output is correct
6	Correct	7 ms	4984 KB	Output is correct
7	Correct	7 ms	5112 KB	Output is correct
8	Correct	7 ms	5112 KB	Output is correct
9	Correct	7 ms	4988 KB	Output is correct
10	Correct	8 ms	4984 KB	Output is correct
11	Correct	8 ms	4984 KB	Output is correct
12	Correct	7 ms	4984 KB	Output is correct
13	Correct	7 ms	4984 KB	Output is correct
14	Correct	8 ms	4984 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	7 ms	5112 KB	Output is correct
17	Correct	8 ms	5112 KB	Output is correct
18	Correct	8 ms	5112 KB	Output is correct
19	Correct	7 ms	5116 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	7 ms	5112 KB	Output is correct
22	Correct	7 ms	4984 KB	Output is correct
23	Correct	8 ms	5112 KB	Output is correct
24	Correct	8 ms	4984 KB	Output is correct
25	Correct	8 ms	5112 KB	Output is correct
26	Correct	8 ms	5112 KB	Output is correct
27	Correct	8 ms	4984 KB	Output is correct
28	Correct	10 ms	5240 KB	Output is correct
29	Correct	10 ms	5240 KB	Output is correct
30	Correct	12 ms	5240 KB	Output is correct
31	Correct	10 ms	5244 KB	Output is correct
32	Correct	11 ms	5240 KB	Output is correct
33	Correct	12 ms	5240 KB	Output is correct
34	Correct	9 ms	5240 KB	Output is correct
35	Correct	10 ms	5112 KB	Output is correct
36	Correct	10 ms	5112 KB	Output is correct
37	Correct	9 ms	5240 KB	Output is correct
38	Correct	9 ms	5112 KB	Output is correct
39	Correct	9 ms	5240 KB	Output is correct

Subtask #4
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	4984 KB	Output is correct
2	Correct	11 ms	4984 KB	Output is correct
3	Correct	7 ms	4984 KB	Output is correct
4	Correct	7 ms	4984 KB	Output is correct
5	Correct	7 ms	4984 KB	Output is correct
6	Correct	7 ms	4984 KB	Output is correct
7	Correct	7 ms	5112 KB	Output is correct
8	Correct	7 ms	5112 KB	Output is correct
9	Correct	7 ms	4988 KB	Output is correct
10	Correct	8 ms	4984 KB	Output is correct
11	Correct	8 ms	4984 KB	Output is correct
12	Correct	7 ms	4984 KB	Output is correct
13	Correct	7 ms	4984 KB	Output is correct
14	Correct	8 ms	4984 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	7 ms	5112 KB	Output is correct
17	Correct	8 ms	5112 KB	Output is correct
18	Correct	8 ms	5112 KB	Output is correct
19	Correct	7 ms	5116 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	7 ms	5112 KB	Output is correct
22	Correct	7 ms	4984 KB	Output is correct
23	Correct	8 ms	5112 KB	Output is correct
24	Correct	8 ms	4984 KB	Output is correct
25	Correct	8 ms	5112 KB	Output is correct
26	Correct	8 ms	5112 KB	Output is correct
27	Correct	8 ms	4984 KB	Output is correct
28	Correct	10 ms	5240 KB	Output is correct
29	Correct	10 ms	5240 KB	Output is correct
30	Correct	12 ms	5240 KB	Output is correct
31	Correct	10 ms	5244 KB	Output is correct
32	Correct	11 ms	5240 KB	Output is correct
33	Correct	12 ms	5240 KB	Output is correct
34	Correct	9 ms	5240 KB	Output is correct
35	Correct	10 ms	5112 KB	Output is correct
36	Correct	10 ms	5112 KB	Output is correct
37	Correct	9 ms	5240 KB	Output is correct
38	Correct	9 ms	5112 KB	Output is correct
39	Correct	9 ms	5240 KB	Output is correct
40	Correct	206 ms	11912 KB	Output is correct
41	Correct	229 ms	12268 KB	Output is correct
42	Correct	68 ms	11124 KB	Output is correct
43	Correct	231 ms	11840 KB	Output is correct
44	Correct	166 ms	12204 KB	Output is correct
45	Correct	250 ms	11400 KB	Output is correct
46	Correct	76 ms	11680 KB	Output is correct
47	Correct	68 ms	11952 KB	Output is correct
48	Correct	71 ms	11312 KB	Output is correct
49	Correct	65 ms	9680 KB	Output is correct
50	Correct	54 ms	9720 KB	Output is correct
51	Correct	62 ms	9484 KB	Output is correct

Subtask #5
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	4984 KB	Output is correct
2	Correct	11 ms	4984 KB	Output is correct
3	Correct	7 ms	4984 KB	Output is correct
4	Correct	7 ms	4984 KB	Output is correct
5	Correct	7 ms	4984 KB	Output is correct
6	Correct	7 ms	4984 KB	Output is correct
7	Correct	7 ms	5112 KB	Output is correct
8	Correct	7 ms	5112 KB	Output is correct
9	Correct	7 ms	4988 KB	Output is correct
10	Correct	8 ms	4984 KB	Output is correct
11	Correct	8 ms	4984 KB	Output is correct
12	Correct	7 ms	4984 KB	Output is correct
13	Correct	7 ms	4984 KB	Output is correct
14	Correct	8 ms	4984 KB	Output is correct
15	Correct	7 ms	4984 KB	Output is correct
16	Correct	7 ms	5112 KB	Output is correct
17	Correct	8 ms	5112 KB	Output is correct
18	Correct	8 ms	5112 KB	Output is correct
19	Correct	7 ms	5116 KB	Output is correct
20	Correct	8 ms	5112 KB	Output is correct
21	Correct	7 ms	5112 KB	Output is correct
22	Correct	7 ms	4984 KB	Output is correct
23	Correct	8 ms	5112 KB	Output is correct
24	Correct	8 ms	4984 KB	Output is correct
25	Correct	8 ms	5112 KB	Output is correct
26	Correct	8 ms	5112 KB	Output is correct
27	Correct	8 ms	4984 KB	Output is correct
28	Correct	10 ms	5240 KB	Output is correct
29	Correct	10 ms	5240 KB	Output is correct
30	Correct	12 ms	5240 KB	Output is correct
31	Correct	10 ms	5244 KB	Output is correct
32	Correct	11 ms	5240 KB	Output is correct
33	Correct	12 ms	5240 KB	Output is correct
34	Correct	9 ms	5240 KB	Output is correct
35	Correct	10 ms	5112 KB	Output is correct
36	Correct	10 ms	5112 KB	Output is correct
37	Correct	9 ms	5240 KB	Output is correct
38	Correct	9 ms	5112 KB	Output is correct
39	Correct	9 ms	5240 KB	Output is correct
40	Correct	206 ms	11912 KB	Output is correct
41	Correct	229 ms	12268 KB	Output is correct
42	Correct	68 ms	11124 KB	Output is correct
43	Correct	231 ms	11840 KB	Output is correct
44	Correct	166 ms	12204 KB	Output is correct
45	Correct	250 ms	11400 KB	Output is correct
46	Correct	76 ms	11680 KB	Output is correct
47	Correct	68 ms	11952 KB	Output is correct
48	Correct	71 ms	11312 KB	Output is correct
49	Correct	65 ms	9680 KB	Output is correct
50	Correct	54 ms	9720 KB	Output is correct
51	Correct	62 ms	9484 KB	Output is correct
52	Correct	528 ms	12524 KB	Output is correct
53	Correct	96 ms	13560 KB	Output is correct
54	Correct	953 ms	14340 KB	Output is correct
55	Correct	451 ms	14632 KB	Output is correct
56	Correct	795 ms	13852 KB	Output is correct
57	Correct	966 ms	14124 KB	Output is correct
58	Correct	608 ms	14432 KB	Output is correct
59	Correct	519 ms	11920 KB	Output is correct

Submission #200065

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 35.0 / 35.0

Subtask #3 20.0 / 20.0

Subtask #4 20.0 / 20.0

Subtask #5 15.0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
35.0 / 35.0

Subtask #3
20.0 / 20.0

Subtask #4
20.0 / 20.0

Subtask #5
15.0 / 15.0