답안 #200830

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200830 2020-02-08T09:20:36 Z maruii Long Distance Coach (JOI17_coach) C++14
71 / 100
249 ms 134520 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, 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;
           ~~^~~
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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
# 결과 실행 시간 메모리 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 -