Submission #200830

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
200830	2020-02-08T09:20:36 Z	maruii	Long Distance Coach (JOI17_coach)	C++14	71 / 100	249 ms	134520 KB

coach

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

int N, M;
struct CHT {
	struct Node {
		pii L;
		int l, r;
		Node() : L(pii(0, 1e18)), l(-1), r(-1) {}
	} A[5000005];
	ll f(pii L, int x) { return L.ff * x + L.ss; }
	int cnt;
	void update(int nn, int s, int e, pii L2) {
		pii &L1 = A[nn].L;
		if (f(L1, s) > f(L2, s)) swap(L1, L2);
		if (f(L1, e) <= f(L2, e)) return;
		int m = s + e >> 1;
		if (f(L1, m) >= f(L2, m)) {
			swap(L1, L2);
			if (A[nn].l < 0) A[nn].l = ++cnt, A[cnt].L = L1;
			update(A[nn].l, s, m, L2);
		}
		else {
			if (A[nn].r < 0) A[nn].r = ++cnt, A[cnt].L = L1;
			update(A[nn].r, m + 1, e, L2);
		}
	}
	void update(ll a, ll b) { update(0, 0, M, pii(a, b)); }
	ll query(int nn, int s, int e, int x) {
		if (nn < 0 || s > x || e < x) return 1e18;
		ll ret = f(A[nn].L, x);
		int m = s + e >> 1;
		return min({ret, query(A[nn].l, s, m, x), query(A[nn].r, m + 1, e, x)});
	}
	ll query(int x) { return query(0, 0, M, x); }
} cht;
ll X, T, W;
pii R[200005], P[200005];
ll D[200005], H[200005], S[200005];
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> X >> N >> M >> W >> T;
	for (int i = 0; i < N; ++i) {
		ll x; cin >> x;
		R[i] = {x % T, x / T};
	}
	for (int i = 1; i <= M; ++i) cin >> P[i].ff >> P[i].ss;
	R[N] = {X % T, X / T};
	sort(R, R + N + 1);
	sort(P + 1, P + M + 1);
	for (int i = 1; i <= M; ++i) {
		S[i] = S[i - 1] + P[i].ss;
		H[i] = X / T + (X % T >= P[i].ff);
	}
	H[0] = X / T + 1;
	for (int i = M, j = N; i; --i) {
		while (j >= 0 && R[j].ff > P[i].ff) {
			cht.update(-W * R[j].ss, D[i + 1] + S[i] + W * i * R[j].ss);
			--j;
		}
		D[i] = min(cht.query(i - 1) - S[i - 1], D[i + 1] + H[i] * W);
	}
	cout << D[1] + H[0] * W;
	return 0;
}

Compilation message

coach.cpp: In member function 'void CHT::update(int, int, int, pii)':
coach.cpp:21:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m = s + e >> 1;
           ~~^~~
coach.cpp: In member function 'll CHT::query(int, int, int, int)':
coach.cpp:36:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m = s + e >> 1;
           ~~^~~

Subtask #1
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	68 ms	117752 KB	Output is correct
2	Correct	68 ms	117752 KB	Output is correct
3	Correct	70 ms	117756 KB	Output is correct
4	Correct	68 ms	117752 KB	Output is correct
5	Correct	75 ms	117880 KB	Output is correct
6	Correct	68 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	72 ms	117752 KB	Output is correct
9	Correct	72 ms	117756 KB	Output is correct
10	Correct	69 ms	117880 KB	Output is correct
11	Correct	70 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	74 ms	117856 KB	Output is correct
14	Correct	66 ms	117752 KB	Output is correct
15	Correct	72 ms	117720 KB	Output is correct
16	Correct	70 ms	117752 KB	Output is correct
17	Correct	71 ms	117752 KB	Output is correct
18	Correct	67 ms	117752 KB	Output is correct
19	Correct	68 ms	117752 KB	Output is correct
20	Correct	67 ms	117752 KB	Output is correct
21	Correct	72 ms	117752 KB	Output is correct
22	Correct	71 ms	117752 KB	Output is correct

Subtask #2
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	68 ms	117752 KB	Output is correct
2	Correct	68 ms	117752 KB	Output is correct
3	Correct	70 ms	117756 KB	Output is correct
4	Correct	68 ms	117752 KB	Output is correct
5	Correct	75 ms	117880 KB	Output is correct
6	Correct	68 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	72 ms	117752 KB	Output is correct
9	Correct	72 ms	117756 KB	Output is correct
10	Correct	69 ms	117880 KB	Output is correct
11	Correct	70 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	74 ms	117856 KB	Output is correct
14	Correct	66 ms	117752 KB	Output is correct
15	Correct	72 ms	117720 KB	Output is correct
16	Correct	70 ms	117752 KB	Output is correct
17	Correct	71 ms	117752 KB	Output is correct
18	Correct	67 ms	117752 KB	Output is correct
19	Correct	68 ms	117752 KB	Output is correct
20	Correct	67 ms	117752 KB	Output is correct
21	Correct	72 ms	117752 KB	Output is correct
22	Correct	71 ms	117752 KB	Output is correct
23	Correct	68 ms	117752 KB	Output is correct
24	Correct	69 ms	117752 KB	Output is correct
25	Correct	71 ms	117752 KB	Output is correct
26	Correct	72 ms	117756 KB	Output is correct
27	Correct	66 ms	117756 KB	Output is correct
28	Correct	69 ms	117880 KB	Output is correct
29	Correct	67 ms	117880 KB	Output is correct
30	Correct	72 ms	117832 KB	Output is correct
31	Correct	72 ms	117752 KB	Output is correct
32	Correct	73 ms	117752 KB	Output is correct
33	Correct	72 ms	117756 KB	Output is correct
34	Correct	72 ms	117880 KB	Output is correct
35	Correct	72 ms	117756 KB	Output is correct
36	Correct	66 ms	117784 KB	Output is correct
37	Correct	66 ms	117752 KB	Output is correct

Subtask #3
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	68 ms	117752 KB	Output is correct
2	Correct	68 ms	117752 KB	Output is correct
3	Correct	70 ms	117756 KB	Output is correct
4	Correct	68 ms	117752 KB	Output is correct
5	Correct	75 ms	117880 KB	Output is correct
6	Correct	68 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	72 ms	117752 KB	Output is correct
9	Correct	72 ms	117756 KB	Output is correct
10	Correct	69 ms	117880 KB	Output is correct
11	Correct	70 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	74 ms	117856 KB	Output is correct
14	Correct	66 ms	117752 KB	Output is correct
15	Correct	72 ms	117720 KB	Output is correct
16	Correct	70 ms	117752 KB	Output is correct
17	Correct	71 ms	117752 KB	Output is correct
18	Correct	67 ms	117752 KB	Output is correct
19	Correct	68 ms	117752 KB	Output is correct
20	Correct	67 ms	117752 KB	Output is correct
21	Correct	72 ms	117752 KB	Output is correct
22	Correct	71 ms	117752 KB	Output is correct
23	Correct	68 ms	117752 KB	Output is correct
24	Correct	69 ms	117752 KB	Output is correct
25	Correct	71 ms	117752 KB	Output is correct
26	Correct	72 ms	117756 KB	Output is correct
27	Correct	66 ms	117756 KB	Output is correct
28	Correct	69 ms	117880 KB	Output is correct
29	Correct	67 ms	117880 KB	Output is correct
30	Correct	72 ms	117832 KB	Output is correct
31	Correct	72 ms	117752 KB	Output is correct
32	Correct	73 ms	117752 KB	Output is correct
33	Correct	72 ms	117756 KB	Output is correct
34	Correct	72 ms	117880 KB	Output is correct
35	Correct	72 ms	117756 KB	Output is correct
36	Correct	66 ms	117784 KB	Output is correct
37	Correct	66 ms	117752 KB	Output is correct
38	Correct	70 ms	117880 KB	Output is correct
39	Correct	75 ms	117880 KB	Output is correct
40	Correct	73 ms	117984 KB	Output is correct
41	Correct	72 ms	117880 KB	Output is correct
42	Correct	70 ms	118008 KB	Output is correct
43	Correct	72 ms	117880 KB	Output is correct
44	Correct	72 ms	118028 KB	Output is correct
45	Correct	74 ms	118008 KB	Output is correct
46	Correct	70 ms	117884 KB	Output is correct
47	Correct	73 ms	118136 KB	Output is correct
48	Correct	70 ms	117880 KB	Output is correct
49	Correct	70 ms	118008 KB	Output is correct
50	Correct	70 ms	117880 KB	Output is correct
51	Correct	70 ms	117880 KB	Output is correct

Subtask #4
0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	68 ms	117752 KB	Output is correct
2	Correct	68 ms	117752 KB	Output is correct
3	Correct	70 ms	117756 KB	Output is correct
4	Correct	68 ms	117752 KB	Output is correct
5	Correct	75 ms	117880 KB	Output is correct
6	Correct	68 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	72 ms	117752 KB	Output is correct
9	Correct	72 ms	117756 KB	Output is correct
10	Correct	69 ms	117880 KB	Output is correct
11	Correct	70 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	74 ms	117856 KB	Output is correct
14	Correct	66 ms	117752 KB	Output is correct
15	Correct	72 ms	117720 KB	Output is correct
16	Correct	70 ms	117752 KB	Output is correct
17	Correct	71 ms	117752 KB	Output is correct
18	Correct	67 ms	117752 KB	Output is correct
19	Correct	68 ms	117752 KB	Output is correct
20	Correct	67 ms	117752 KB	Output is correct
21	Correct	72 ms	117752 KB	Output is correct
22	Correct	71 ms	117752 KB	Output is correct
23	Correct	68 ms	117752 KB	Output is correct
24	Correct	69 ms	117752 KB	Output is correct
25	Correct	71 ms	117752 KB	Output is correct
26	Correct	72 ms	117756 KB	Output is correct
27	Correct	66 ms	117756 KB	Output is correct
28	Correct	69 ms	117880 KB	Output is correct
29	Correct	67 ms	117880 KB	Output is correct
30	Correct	72 ms	117832 KB	Output is correct
31	Correct	72 ms	117752 KB	Output is correct
32	Correct	73 ms	117752 KB	Output is correct
33	Correct	72 ms	117756 KB	Output is correct
34	Correct	72 ms	117880 KB	Output is correct
35	Correct	72 ms	117756 KB	Output is correct
36	Correct	66 ms	117784 KB	Output is correct
37	Correct	66 ms	117752 KB	Output is correct
38	Correct	70 ms	117880 KB	Output is correct
39	Correct	75 ms	117880 KB	Output is correct
40	Correct	73 ms	117984 KB	Output is correct
41	Correct	72 ms	117880 KB	Output is correct
42	Correct	70 ms	118008 KB	Output is correct
43	Correct	72 ms	117880 KB	Output is correct
44	Correct	72 ms	118028 KB	Output is correct
45	Correct	74 ms	118008 KB	Output is correct
46	Correct	70 ms	117884 KB	Output is correct
47	Correct	73 ms	118136 KB	Output is correct
48	Correct	70 ms	117880 KB	Output is correct
49	Correct	70 ms	118008 KB	Output is correct
50	Correct	70 ms	117880 KB	Output is correct
51	Correct	70 ms	117880 KB	Output is correct
52	Correct	249 ms	134384 KB	Output is correct
53	Correct	221 ms	134520 KB	Output is correct
54	Correct	207 ms	133624 KB	Output is correct
55	Execution timed out	100 ms	122940 KB	Time limit exceeded (wall clock)
56	Halted	0 ms	0 KB	-

Submission #200830

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 30.0 / 30.0

Subtask #3 25.0 / 25.0

Subtask #4 0 / 29.0

Subtask #1
16.0 / 16.0

Subtask #2
30.0 / 30.0

Subtask #3
25.0 / 25.0

Subtask #4
0 / 29.0