답안 #207018

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
207018	2020-03-06T05:30:08 Z	maruii	Long Distance Coach (JOI17_coach)	C++14	100 / 100	242 ms	129400 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;
			update(A[nn].l, s, m, L2);
		}
		else {
			if (A[nn].r < 0) A[nn].r = ++cnt;
			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

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	117780 KB	Output is correct
2	Correct	72 ms	117728 KB	Output is correct
3	Correct	67 ms	117752 KB	Output is correct
4	Correct	69 ms	117880 KB	Output is correct
5	Correct	72 ms	117752 KB	Output is correct
6	Correct	63 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	71 ms	117752 KB	Output is correct
9	Correct	72 ms	117836 KB	Output is correct
10	Correct	68 ms	117728 KB	Output is correct
11	Correct	75 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	69 ms	117752 KB	Output is correct
14	Correct	67 ms	117752 KB	Output is correct
15	Correct	73 ms	117752 KB	Output is correct
16	Correct	67 ms	117756 KB	Output is correct
17	Correct	68 ms	117752 KB	Output is correct
18	Correct	71 ms	117800 KB	Output is correct
19	Correct	68 ms	117860 KB	Output is correct
20	Correct	71 ms	117752 KB	Output is correct
21	Correct	70 ms	117752 KB	Output is correct
22	Correct	69 ms	117752 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	117780 KB	Output is correct
2	Correct	72 ms	117728 KB	Output is correct
3	Correct	67 ms	117752 KB	Output is correct
4	Correct	69 ms	117880 KB	Output is correct
5	Correct	72 ms	117752 KB	Output is correct
6	Correct	63 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	71 ms	117752 KB	Output is correct
9	Correct	72 ms	117836 KB	Output is correct
10	Correct	68 ms	117728 KB	Output is correct
11	Correct	75 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	69 ms	117752 KB	Output is correct
14	Correct	67 ms	117752 KB	Output is correct
15	Correct	73 ms	117752 KB	Output is correct
16	Correct	67 ms	117756 KB	Output is correct
17	Correct	68 ms	117752 KB	Output is correct
18	Correct	71 ms	117800 KB	Output is correct
19	Correct	68 ms	117860 KB	Output is correct
20	Correct	71 ms	117752 KB	Output is correct
21	Correct	70 ms	117752 KB	Output is correct
22	Correct	69 ms	117752 KB	Output is correct
23	Correct	69 ms	117824 KB	Output is correct
24	Correct	70 ms	117880 KB	Output is correct
25	Correct	77 ms	117752 KB	Output is correct
26	Correct	75 ms	117752 KB	Output is correct
27	Correct	68 ms	117752 KB	Output is correct
28	Correct	69 ms	117828 KB	Output is correct
29	Correct	70 ms	117880 KB	Output is correct
30	Correct	68 ms	117752 KB	Output is correct
31	Correct	71 ms	117752 KB	Output is correct
32	Correct	67 ms	117752 KB	Output is correct
33	Correct	68 ms	117804 KB	Output is correct
34	Correct	70 ms	117752 KB	Output is correct
35	Correct	69 ms	117752 KB	Output is correct
36	Correct	67 ms	117880 KB	Output is correct
37	Correct	68 ms	117752 KB	Output is correct

Subtask #3
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	117780 KB	Output is correct
2	Correct	72 ms	117728 KB	Output is correct
3	Correct	67 ms	117752 KB	Output is correct
4	Correct	69 ms	117880 KB	Output is correct
5	Correct	72 ms	117752 KB	Output is correct
6	Correct	63 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	71 ms	117752 KB	Output is correct
9	Correct	72 ms	117836 KB	Output is correct
10	Correct	68 ms	117728 KB	Output is correct
11	Correct	75 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	69 ms	117752 KB	Output is correct
14	Correct	67 ms	117752 KB	Output is correct
15	Correct	73 ms	117752 KB	Output is correct
16	Correct	67 ms	117756 KB	Output is correct
17	Correct	68 ms	117752 KB	Output is correct
18	Correct	71 ms	117800 KB	Output is correct
19	Correct	68 ms	117860 KB	Output is correct
20	Correct	71 ms	117752 KB	Output is correct
21	Correct	70 ms	117752 KB	Output is correct
22	Correct	69 ms	117752 KB	Output is correct
23	Correct	69 ms	117824 KB	Output is correct
24	Correct	70 ms	117880 KB	Output is correct
25	Correct	77 ms	117752 KB	Output is correct
26	Correct	75 ms	117752 KB	Output is correct
27	Correct	68 ms	117752 KB	Output is correct
28	Correct	69 ms	117828 KB	Output is correct
29	Correct	70 ms	117880 KB	Output is correct
30	Correct	68 ms	117752 KB	Output is correct
31	Correct	71 ms	117752 KB	Output is correct
32	Correct	67 ms	117752 KB	Output is correct
33	Correct	68 ms	117804 KB	Output is correct
34	Correct	70 ms	117752 KB	Output is correct
35	Correct	69 ms	117752 KB	Output is correct
36	Correct	67 ms	117880 KB	Output is correct
37	Correct	68 ms	117752 KB	Output is correct
38	Correct	72 ms	117880 KB	Output is correct
39	Correct	76 ms	117880 KB	Output is correct
40	Correct	68 ms	117880 KB	Output is correct
41	Correct	72 ms	118008 KB	Output is correct
42	Correct	69 ms	117936 KB	Output is correct
43	Correct	70 ms	117896 KB	Output is correct
44	Correct	71 ms	118008 KB	Output is correct
45	Correct	71 ms	117880 KB	Output is correct
46	Correct	71 ms	118008 KB	Output is correct
47	Correct	69 ms	117880 KB	Output is correct
48	Correct	72 ms	117880 KB	Output is correct
49	Correct	73 ms	118008 KB	Output is correct
50	Correct	72 ms	118012 KB	Output is correct
51	Correct	71 ms	118008 KB	Output is correct

Subtask #4
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	62 ms	117780 KB	Output is correct
2	Correct	72 ms	117728 KB	Output is correct
3	Correct	67 ms	117752 KB	Output is correct
4	Correct	69 ms	117880 KB	Output is correct
5	Correct	72 ms	117752 KB	Output is correct
6	Correct	63 ms	117752 KB	Output is correct
7	Correct	71 ms	117752 KB	Output is correct
8	Correct	71 ms	117752 KB	Output is correct
9	Correct	72 ms	117836 KB	Output is correct
10	Correct	68 ms	117728 KB	Output is correct
11	Correct	75 ms	117752 KB	Output is correct
12	Correct	70 ms	117752 KB	Output is correct
13	Correct	69 ms	117752 KB	Output is correct
14	Correct	67 ms	117752 KB	Output is correct
15	Correct	73 ms	117752 KB	Output is correct
16	Correct	67 ms	117756 KB	Output is correct
17	Correct	68 ms	117752 KB	Output is correct
18	Correct	71 ms	117800 KB	Output is correct
19	Correct	68 ms	117860 KB	Output is correct
20	Correct	71 ms	117752 KB	Output is correct
21	Correct	70 ms	117752 KB	Output is correct
22	Correct	69 ms	117752 KB	Output is correct
23	Correct	69 ms	117824 KB	Output is correct
24	Correct	70 ms	117880 KB	Output is correct
25	Correct	77 ms	117752 KB	Output is correct
26	Correct	75 ms	117752 KB	Output is correct
27	Correct	68 ms	117752 KB	Output is correct
28	Correct	69 ms	117828 KB	Output is correct
29	Correct	70 ms	117880 KB	Output is correct
30	Correct	68 ms	117752 KB	Output is correct
31	Correct	71 ms	117752 KB	Output is correct
32	Correct	67 ms	117752 KB	Output is correct
33	Correct	68 ms	117804 KB	Output is correct
34	Correct	70 ms	117752 KB	Output is correct
35	Correct	69 ms	117752 KB	Output is correct
36	Correct	67 ms	117880 KB	Output is correct
37	Correct	68 ms	117752 KB	Output is correct
38	Correct	72 ms	117880 KB	Output is correct
39	Correct	76 ms	117880 KB	Output is correct
40	Correct	68 ms	117880 KB	Output is correct
41	Correct	72 ms	118008 KB	Output is correct
42	Correct	69 ms	117936 KB	Output is correct
43	Correct	70 ms	117896 KB	Output is correct
44	Correct	71 ms	118008 KB	Output is correct
45	Correct	71 ms	117880 KB	Output is correct
46	Correct	71 ms	118008 KB	Output is correct
47	Correct	69 ms	117880 KB	Output is correct
48	Correct	72 ms	117880 KB	Output is correct
49	Correct	73 ms	118008 KB	Output is correct
50	Correct	72 ms	118012 KB	Output is correct
51	Correct	71 ms	118008 KB	Output is correct
52	Correct	235 ms	129272 KB	Output is correct
53	Correct	211 ms	129272 KB	Output is correct
54	Correct	211 ms	129272 KB	Output is correct
55	Correct	197 ms	129272 KB	Output is correct
56	Correct	207 ms	129272 KB	Output is correct
57	Correct	216 ms	129272 KB	Output is correct
58	Correct	201 ms	129236 KB	Output is correct
59	Correct	201 ms	129272 KB	Output is correct
60	Correct	206 ms	129268 KB	Output is correct
61	Correct	199 ms	129268 KB	Output is correct
62	Correct	204 ms	129272 KB	Output is correct
63	Correct	195 ms	129400 KB	Output is correct
64	Correct	161 ms	129272 KB	Output is correct
65	Correct	225 ms	129276 KB	Output is correct
66	Correct	210 ms	129272 KB	Output is correct
67	Correct	219 ms	129272 KB	Output is correct
68	Correct	215 ms	129272 KB	Output is correct
69	Correct	229 ms	129276 KB	Output is correct
70	Correct	232 ms	129272 KB	Output is correct
71	Correct	232 ms	129016 KB	Output is correct
72	Correct	238 ms	128888 KB	Output is correct
73	Correct	222 ms	129016 KB	Output is correct
74	Correct	242 ms	128888 KB	Output is correct
75	Correct	232 ms	129016 KB	Output is correct
76	Correct	233 ms	129016 KB	Output is correct
77	Correct	187 ms	129004 KB	Output is correct
78	Correct	192 ms	129016 KB	Output is correct
79	Correct	229 ms	128760 KB	Output is correct
80	Correct	224 ms	128768 KB	Output is correct

답안 #207018

Compilation message

Subtask #1 16.0 / 16.0

Subtask #2 30.0 / 30.0

Subtask #3 25.0 / 25.0

Subtask #4 29.0 / 29.0

Subtask #1
16.0 / 16.0

Subtask #2
30.0 / 30.0

Subtask #3
25.0 / 25.0

Subtask #4
29.0 / 29.0