oj.uz

Submission #207018

# Submission time Handle Problem Language Result Execution time Memory
207018 2020-03-06T05:30:08 Z maruii Long Distance Coach (JOI17_coach) C++14
100 / 100
 242 ms 129400 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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