답안 #200832

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
200832 2020-02-08T09:22:19 Z maruii Long Distance Coach (JOI17_coach) C++14
71 / 100
314 ms 246268 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[10000005];
	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 184 ms 235148 KB Output is correct
2 Correct 129 ms 235256 KB Output is correct
3 Correct 134 ms 235256 KB Output is correct
4 Correct 130 ms 235128 KB Output is correct
5 Correct 130 ms 235128 KB Output is correct
6 Correct 134 ms 235256 KB Output is correct
7 Correct 130 ms 235128 KB Output is correct
8 Correct 132 ms 235384 KB Output is correct
9 Correct 127 ms 235128 KB Output is correct
10 Correct 135 ms 235128 KB Output is correct
11 Correct 125 ms 235128 KB Output is correct
12 Correct 135 ms 235136 KB Output is correct
13 Correct 134 ms 235256 KB Output is correct
14 Correct 132 ms 235128 KB Output is correct
15 Correct 130 ms 235128 KB Output is correct
16 Correct 129 ms 235232 KB Output is correct
17 Correct 129 ms 235128 KB Output is correct
18 Correct 130 ms 235128 KB Output is correct
19 Correct 129 ms 235128 KB Output is correct
20 Correct 129 ms 235256 KB Output is correct
21 Correct 128 ms 235128 KB Output is correct
22 Correct 132 ms 235256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 184 ms 235148 KB Output is correct
2 Correct 129 ms 235256 KB Output is correct
3 Correct 134 ms 235256 KB Output is correct
4 Correct 130 ms 235128 KB Output is correct
5 Correct 130 ms 235128 KB Output is correct
6 Correct 134 ms 235256 KB Output is correct
7 Correct 130 ms 235128 KB Output is correct
8 Correct 132 ms 235384 KB Output is correct
9 Correct 127 ms 235128 KB Output is correct
10 Correct 135 ms 235128 KB Output is correct
11 Correct 125 ms 235128 KB Output is correct
12 Correct 135 ms 235136 KB Output is correct
13 Correct 134 ms 235256 KB Output is correct
14 Correct 132 ms 235128 KB Output is correct
15 Correct 130 ms 235128 KB Output is correct
16 Correct 129 ms 235232 KB Output is correct
17 Correct 129 ms 235128 KB Output is correct
18 Correct 130 ms 235128 KB Output is correct
19 Correct 129 ms 235128 KB Output is correct
20 Correct 129 ms 235256 KB Output is correct
21 Correct 128 ms 235128 KB Output is correct
22 Correct 132 ms 235256 KB Output is correct
23 Correct 133 ms 235252 KB Output is correct
24 Correct 129 ms 235256 KB Output is correct
25 Correct 127 ms 235260 KB Output is correct
26 Correct 130 ms 235256 KB Output is correct
27 Correct 132 ms 235256 KB Output is correct
28 Correct 130 ms 235232 KB Output is correct
29 Correct 129 ms 235256 KB Output is correct
30 Correct 138 ms 235256 KB Output is correct
31 Correct 129 ms 235256 KB Output is correct
32 Correct 135 ms 235256 KB Output is correct
33 Correct 138 ms 235256 KB Output is correct
34 Correct 130 ms 235156 KB Output is correct
35 Correct 130 ms 235256 KB Output is correct
36 Correct 128 ms 235256 KB Output is correct
37 Correct 131 ms 235256 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 184 ms 235148 KB Output is correct
2 Correct 129 ms 235256 KB Output is correct
3 Correct 134 ms 235256 KB Output is correct
4 Correct 130 ms 235128 KB Output is correct
5 Correct 130 ms 235128 KB Output is correct
6 Correct 134 ms 235256 KB Output is correct
7 Correct 130 ms 235128 KB Output is correct
8 Correct 132 ms 235384 KB Output is correct
9 Correct 127 ms 235128 KB Output is correct
10 Correct 135 ms 235128 KB Output is correct
11 Correct 125 ms 235128 KB Output is correct
12 Correct 135 ms 235136 KB Output is correct
13 Correct 134 ms 235256 KB Output is correct
14 Correct 132 ms 235128 KB Output is correct
15 Correct 130 ms 235128 KB Output is correct
16 Correct 129 ms 235232 KB Output is correct
17 Correct 129 ms 235128 KB Output is correct
18 Correct 130 ms 235128 KB Output is correct
19 Correct 129 ms 235128 KB Output is correct
20 Correct 129 ms 235256 KB Output is correct
21 Correct 128 ms 235128 KB Output is correct
22 Correct 132 ms 235256 KB Output is correct
23 Correct 133 ms 235252 KB Output is correct
24 Correct 129 ms 235256 KB Output is correct
25 Correct 127 ms 235260 KB Output is correct
26 Correct 130 ms 235256 KB Output is correct
27 Correct 132 ms 235256 KB Output is correct
28 Correct 130 ms 235232 KB Output is correct
29 Correct 129 ms 235256 KB Output is correct
30 Correct 138 ms 235256 KB Output is correct
31 Correct 129 ms 235256 KB Output is correct
32 Correct 135 ms 235256 KB Output is correct
33 Correct 138 ms 235256 KB Output is correct
34 Correct 130 ms 235156 KB Output is correct
35 Correct 130 ms 235256 KB Output is correct
36 Correct 128 ms 235256 KB Output is correct
37 Correct 131 ms 235256 KB Output is correct
38 Correct 133 ms 235272 KB Output is correct
39 Correct 127 ms 235256 KB Output is correct
40 Correct 133 ms 235256 KB Output is correct
41 Correct 136 ms 235256 KB Output is correct
42 Correct 134 ms 235256 KB Output is correct
43 Correct 129 ms 235256 KB Output is correct
44 Correct 128 ms 235260 KB Output is correct
45 Correct 135 ms 235256 KB Output is correct
46 Correct 132 ms 235256 KB Output is correct
47 Correct 127 ms 235256 KB Output is correct
48 Correct 133 ms 235384 KB Output is correct
49 Correct 135 ms 235256 KB Output is correct
50 Correct 131 ms 235248 KB Output is correct
51 Correct 133 ms 235324 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 184 ms 235148 KB Output is correct
2 Correct 129 ms 235256 KB Output is correct
3 Correct 134 ms 235256 KB Output is correct
4 Correct 130 ms 235128 KB Output is correct
5 Correct 130 ms 235128 KB Output is correct
6 Correct 134 ms 235256 KB Output is correct
7 Correct 130 ms 235128 KB Output is correct
8 Correct 132 ms 235384 KB Output is correct
9 Correct 127 ms 235128 KB Output is correct
10 Correct 135 ms 235128 KB Output is correct
11 Correct 125 ms 235128 KB Output is correct
12 Correct 135 ms 235136 KB Output is correct
13 Correct 134 ms 235256 KB Output is correct
14 Correct 132 ms 235128 KB Output is correct
15 Correct 130 ms 235128 KB Output is correct
16 Correct 129 ms 235232 KB Output is correct
17 Correct 129 ms 235128 KB Output is correct
18 Correct 130 ms 235128 KB Output is correct
19 Correct 129 ms 235128 KB Output is correct
20 Correct 129 ms 235256 KB Output is correct
21 Correct 128 ms 235128 KB Output is correct
22 Correct 132 ms 235256 KB Output is correct
23 Correct 133 ms 235252 KB Output is correct
24 Correct 129 ms 235256 KB Output is correct
25 Correct 127 ms 235260 KB Output is correct
26 Correct 130 ms 235256 KB Output is correct
27 Correct 132 ms 235256 KB Output is correct
28 Correct 130 ms 235232 KB Output is correct
29 Correct 129 ms 235256 KB Output is correct
30 Correct 138 ms 235256 KB Output is correct
31 Correct 129 ms 235256 KB Output is correct
32 Correct 135 ms 235256 KB Output is correct
33 Correct 138 ms 235256 KB Output is correct
34 Correct 130 ms 235156 KB Output is correct
35 Correct 130 ms 235256 KB Output is correct
36 Correct 128 ms 235256 KB Output is correct
37 Correct 131 ms 235256 KB Output is correct
38 Correct 133 ms 235272 KB Output is correct
39 Correct 127 ms 235256 KB Output is correct
40 Correct 133 ms 235256 KB Output is correct
41 Correct 136 ms 235256 KB Output is correct
42 Correct 134 ms 235256 KB Output is correct
43 Correct 129 ms 235256 KB Output is correct
44 Correct 128 ms 235260 KB Output is correct
45 Correct 135 ms 235256 KB Output is correct
46 Correct 132 ms 235256 KB Output is correct
47 Correct 127 ms 235256 KB Output is correct
48 Correct 133 ms 235384 KB Output is correct
49 Correct 135 ms 235256 KB Output is correct
50 Correct 131 ms 235248 KB Output is correct
51 Correct 133 ms 235324 KB Output is correct
52 Correct 314 ms 246184 KB Output is correct
53 Correct 268 ms 246240 KB Output is correct
54 Correct 269 ms 246268 KB Output is correct
55 Execution timed out 212 ms 243012 KB Time limit exceeded (wall clock)
56 Halted 0 ms 0 KB -