답안 #56342 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
56342	2018-07-11T05:28:20 Z	khsoo01	Construction of Highway (JOI18_construction)	C++11	100 / 100	1335 ms	22260 KB

construction

#include<bits/stdc++.h>
#define X first
#define Y second
using namespace std;
typedef pair<int,int> pii;

const int N = 100005, L = 131072, G = 17, inf = 1e9;

int n, x[N], a[N], b[N];
int sp[N][G], dep[N], s[N], e[N], cc;

vector<int> adj[N], cpr;
vector<pii> act;

struct maxseg {
	int v[4*N];
	void upd (int P, int V) {
		P += L;
		while(P) {
			v[P] = max(v[P], V);
			P /= 2;
		}
	}
	int get (int S, int E) {
		S += L;
		E += L;
		int R = 0;
		while(S <= E) {
			if(S%2 == 1) R = max(R, v[S++]);
			if(E%2 == 0) R = max(R, v[E--]);
			S /= 2;
			E /= 2;
		}
		return R;
	}
	int lb (int S, int V) {
		S += L;
		while(true) {
			if(v[S] > V) break;
			S = (S - 1) / 2;
		}
		while(S < L) {
			S = 2*S + (v[2*S+1] > V);
		}
		return S - L;
	}
	int rb (int S, int V) {
		S += L;
		while(true) {
			if(v[S] > V) break;
			S = (S + 1) / 2;
		}
		while(S < L) {
			S = 2*S+1 - (v[2*S] > V);
		}
		return S - L;
	}
} ms;

struct sumseg {
	int v[4*N];
	void upd (int P, int V) {
		P += L;
		while(P) {
			v[P] += V;
			P /= 2;
		}
	}
	int get (int S, int E) {
		S += L;
		E += L;
		int R = 0;
		while(S <= E) {
			if(S%2 == 1) R += v[S++];
			if(E%2 == 0) R += v[E--];
			S /= 2;
			E /= 2;
		}
		return R;
	}
} ss;

void calc (int I) {
	s[I] = ++cc;
	for(auto &T : adj[I]) {
		sp[T][0] = I;
		dep[T] = dep[I] + 1;
		calc(T);
	}
	e[I] = cc;
}

int main()
{
	scanf("%d",&n);
	ms.upd(0, inf);
	ms.upd(n+1, inf);
	for(int i=1;i<=n;i++) {
		scanf("%d",&x[i]);
		cpr.push_back(x[i]);
	}
	sort(cpr.begin(), cpr.end());
	cpr.erase(unique(cpr.begin(), cpr.end()), cpr.end());
	for(int i=1;i<=n;i++) {
		x[i] = lower_bound(cpr.begin(), cpr.end(), x[i]) - cpr.begin();
	}
	b[0] = 1;
	for(int i=1;i<n;i++) {
		scanf("%d%d",&a[i],&b[i]);
		adj[a[i]].push_back(b[i]);
	}
	dep[1] = 1;
	calc(1);
	for(int i=1;i<G;i++) {
		for(int j=1;j<=n;j++) {
			sp[j][i] = sp[sp[j][i-1]][i-1];
		}
	}
	for(int i=1;i<n;i++) {
		long long ans = 0;
		for(int C = a[i], T; C; C = T) {
			int V = ms.get(s[C], e[C]);
			int S = ms.lb(s[C], V) + 1;
			int E = ms.rb(e[C], V) - 1;
			T = C;
			for(int j=G;j--;) {
				int P = sp[T][j];
				if(S <= s[P] && e[P] <= E) T = P;
			}
			T = sp[T][0];
			int A = x[b[V]], B = dep[C] - dep[T];
			ans += 1ll * B * ss.get(0, A-1);
			ss.upd(A, B);
			act.push_back({A, B});
		}
		printf("%lld\n",ans);
		for(auto &T : act) {
			int A, B;
			tie(A, B) = T;
			ss.upd(A, -B);
		}
		act.clear();
		ms.upd(s[b[i]], i);
	}
}

Compilation message

construction.cpp: In function 'int main()':
construction.cpp:95:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
construction.cpp:99:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x[i]);
   ~~~~~^~~~~~~~~~~~
construction.cpp:109:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&a[i],&b[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2808 KB	Output is correct
2	Correct	4 ms	2808 KB	Output is correct
3	Correct	4 ms	2992 KB	Output is correct
4	Correct	4 ms	2992 KB	Output is correct
5	Correct	5 ms	3072 KB	Output is correct
6	Correct	5 ms	3072 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	5 ms	3072 KB	Output is correct
9	Correct	5 ms	3164 KB	Output is correct
10	Correct	4 ms	3164 KB	Output is correct
11	Correct	4 ms	3164 KB	Output is correct
12	Correct	4 ms	3164 KB	Output is correct
13	Correct	6 ms	3164 KB	Output is correct
14	Correct	5 ms	3164 KB	Output is correct
15	Correct	6 ms	3164 KB	Output is correct
16	Correct	6 ms	3164 KB	Output is correct
17	Correct	7 ms	3164 KB	Output is correct
18	Correct	7 ms	3164 KB	Output is correct
19	Correct	6 ms	3164 KB	Output is correct
20	Correct	7 ms	3164 KB	Output is correct
21	Correct	6 ms	3164 KB	Output is correct
22	Correct	7 ms	3164 KB	Output is correct
23	Correct	7 ms	3164 KB	Output is correct
24	Correct	7 ms	3164 KB	Output is correct
25	Correct	7 ms	3164 KB	Output is correct
26	Correct	5 ms	3164 KB	Output is correct
27	Correct	4 ms	3164 KB	Output is correct
28	Correct	6 ms	3164 KB	Output is correct
29	Correct	5 ms	3164 KB	Output is correct
30	Correct	5 ms	3164 KB	Output is correct
31	Correct	11 ms	3164 KB	Output is correct
32	Correct	6 ms	3184 KB	Output is correct
33	Correct	6 ms	3184 KB	Output is correct
34	Correct	5 ms	3184 KB	Output is correct
35	Correct	6 ms	3184 KB	Output is correct
36	Correct	6 ms	3184 KB	Output is correct
37	Correct	5 ms	3184 KB	Output is correct
38	Correct	6 ms	3184 KB	Output is correct
39	Correct	5 ms	3184 KB	Output is correct
40	Correct	5 ms	3184 KB	Output is correct
41	Correct	5 ms	3184 KB	Output is correct
42	Correct	5 ms	3184 KB	Output is correct
43	Correct	5 ms	3184 KB	Output is correct
44	Correct	5 ms	3184 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2808 KB	Output is correct
2	Correct	4 ms	2808 KB	Output is correct
3	Correct	4 ms	2992 KB	Output is correct
4	Correct	4 ms	2992 KB	Output is correct
5	Correct	5 ms	3072 KB	Output is correct
6	Correct	5 ms	3072 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	5 ms	3072 KB	Output is correct
9	Correct	5 ms	3164 KB	Output is correct
10	Correct	4 ms	3164 KB	Output is correct
11	Correct	4 ms	3164 KB	Output is correct
12	Correct	4 ms	3164 KB	Output is correct
13	Correct	6 ms	3164 KB	Output is correct
14	Correct	5 ms	3164 KB	Output is correct
15	Correct	6 ms	3164 KB	Output is correct
16	Correct	6 ms	3164 KB	Output is correct
17	Correct	7 ms	3164 KB	Output is correct
18	Correct	7 ms	3164 KB	Output is correct
19	Correct	6 ms	3164 KB	Output is correct
20	Correct	7 ms	3164 KB	Output is correct
21	Correct	6 ms	3164 KB	Output is correct
22	Correct	7 ms	3164 KB	Output is correct
23	Correct	7 ms	3164 KB	Output is correct
24	Correct	7 ms	3164 KB	Output is correct
25	Correct	7 ms	3164 KB	Output is correct
26	Correct	5 ms	3164 KB	Output is correct
27	Correct	4 ms	3164 KB	Output is correct
28	Correct	6 ms	3164 KB	Output is correct
29	Correct	5 ms	3164 KB	Output is correct
30	Correct	5 ms	3164 KB	Output is correct
31	Correct	11 ms	3164 KB	Output is correct
32	Correct	6 ms	3184 KB	Output is correct
33	Correct	6 ms	3184 KB	Output is correct
34	Correct	5 ms	3184 KB	Output is correct
35	Correct	6 ms	3184 KB	Output is correct
36	Correct	6 ms	3184 KB	Output is correct
37	Correct	5 ms	3184 KB	Output is correct
38	Correct	6 ms	3184 KB	Output is correct
39	Correct	5 ms	3184 KB	Output is correct
40	Correct	5 ms	3184 KB	Output is correct
41	Correct	5 ms	3184 KB	Output is correct
42	Correct	5 ms	3184 KB	Output is correct
43	Correct	5 ms	3184 KB	Output is correct
44	Correct	5 ms	3184 KB	Output is correct
45	Correct	7 ms	3196 KB	Output is correct
46	Correct	14 ms	3580 KB	Output is correct
47	Correct	14 ms	3584 KB	Output is correct
48	Correct	13 ms	3596 KB	Output is correct
49	Correct	9 ms	3724 KB	Output is correct
50	Correct	9 ms	3728 KB	Output is correct
51	Correct	10 ms	3852 KB	Output is correct
52	Correct	13 ms	3852 KB	Output is correct
53	Correct	13 ms	3852 KB	Output is correct
54	Correct	13 ms	3852 KB	Output is correct
55	Correct	15 ms	3852 KB	Output is correct
56	Correct	15 ms	3852 KB	Output is correct
57	Correct	33 ms	3852 KB	Output is correct
58	Correct	19 ms	3852 KB	Output is correct
59	Correct	19 ms	3852 KB	Output is correct
60	Correct	20 ms	3852 KB	Output is correct
61	Correct	11 ms	3852 KB	Output is correct
62	Correct	10 ms	3852 KB	Output is correct
63	Correct	10 ms	3852 KB	Output is correct
64	Correct	11 ms	3852 KB	Output is correct
65	Correct	12 ms	3852 KB	Output is correct
66	Correct	15 ms	3852 KB	Output is correct
67	Correct	14 ms	3852 KB	Output is correct
68	Correct	10 ms	3852 KB	Output is correct
69	Correct	11 ms	3852 KB	Output is correct
70	Correct	11 ms	3852 KB	Output is correct
71	Correct	11 ms	3852 KB	Output is correct
72	Correct	20 ms	3852 KB	Output is correct
73	Correct	20 ms	3852 KB	Output is correct
74	Correct	12 ms	3852 KB	Output is correct
75	Correct	11 ms	3852 KB	Output is correct
76	Correct	11 ms	3852 KB	Output is correct
77	Correct	12 ms	3852 KB	Output is correct
78	Correct	13 ms	3852 KB	Output is correct
79	Correct	12 ms	3852 KB	Output is correct
80	Correct	9 ms	3852 KB	Output is correct
81	Correct	11 ms	3852 KB	Output is correct
82	Correct	12 ms	3852 KB	Output is correct
83	Correct	11 ms	3852 KB	Output is correct
84	Correct	10 ms	3852 KB	Output is correct
85	Correct	11 ms	3852 KB	Output is correct
86	Correct	15 ms	3852 KB	Output is correct

Subtask #3
84.0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	2808 KB	Output is correct
2	Correct	4 ms	2808 KB	Output is correct
3	Correct	4 ms	2992 KB	Output is correct
4	Correct	4 ms	2992 KB	Output is correct
5	Correct	5 ms	3072 KB	Output is correct
6	Correct	5 ms	3072 KB	Output is correct
7	Correct	5 ms	3072 KB	Output is correct
8	Correct	5 ms	3072 KB	Output is correct
9	Correct	5 ms	3164 KB	Output is correct
10	Correct	4 ms	3164 KB	Output is correct
11	Correct	4 ms	3164 KB	Output is correct
12	Correct	4 ms	3164 KB	Output is correct
13	Correct	6 ms	3164 KB	Output is correct
14	Correct	5 ms	3164 KB	Output is correct
15	Correct	6 ms	3164 KB	Output is correct
16	Correct	6 ms	3164 KB	Output is correct
17	Correct	7 ms	3164 KB	Output is correct
18	Correct	7 ms	3164 KB	Output is correct
19	Correct	6 ms	3164 KB	Output is correct
20	Correct	7 ms	3164 KB	Output is correct
21	Correct	6 ms	3164 KB	Output is correct
22	Correct	7 ms	3164 KB	Output is correct
23	Correct	7 ms	3164 KB	Output is correct
24	Correct	7 ms	3164 KB	Output is correct
25	Correct	7 ms	3164 KB	Output is correct
26	Correct	5 ms	3164 KB	Output is correct
27	Correct	4 ms	3164 KB	Output is correct
28	Correct	6 ms	3164 KB	Output is correct
29	Correct	5 ms	3164 KB	Output is correct
30	Correct	5 ms	3164 KB	Output is correct
31	Correct	11 ms	3164 KB	Output is correct
32	Correct	6 ms	3184 KB	Output is correct
33	Correct	6 ms	3184 KB	Output is correct
34	Correct	5 ms	3184 KB	Output is correct
35	Correct	6 ms	3184 KB	Output is correct
36	Correct	6 ms	3184 KB	Output is correct
37	Correct	5 ms	3184 KB	Output is correct
38	Correct	6 ms	3184 KB	Output is correct
39	Correct	5 ms	3184 KB	Output is correct
40	Correct	5 ms	3184 KB	Output is correct
41	Correct	5 ms	3184 KB	Output is correct
42	Correct	5 ms	3184 KB	Output is correct
43	Correct	5 ms	3184 KB	Output is correct
44	Correct	5 ms	3184 KB	Output is correct
45	Correct	7 ms	3196 KB	Output is correct
46	Correct	14 ms	3580 KB	Output is correct
47	Correct	14 ms	3584 KB	Output is correct
48	Correct	13 ms	3596 KB	Output is correct
49	Correct	9 ms	3724 KB	Output is correct
50	Correct	9 ms	3728 KB	Output is correct
51	Correct	10 ms	3852 KB	Output is correct
52	Correct	13 ms	3852 KB	Output is correct
53	Correct	13 ms	3852 KB	Output is correct
54	Correct	13 ms	3852 KB	Output is correct
55	Correct	15 ms	3852 KB	Output is correct
56	Correct	15 ms	3852 KB	Output is correct
57	Correct	33 ms	3852 KB	Output is correct
58	Correct	19 ms	3852 KB	Output is correct
59	Correct	19 ms	3852 KB	Output is correct
60	Correct	20 ms	3852 KB	Output is correct
61	Correct	11 ms	3852 KB	Output is correct
62	Correct	10 ms	3852 KB	Output is correct
63	Correct	10 ms	3852 KB	Output is correct
64	Correct	11 ms	3852 KB	Output is correct
65	Correct	12 ms	3852 KB	Output is correct
66	Correct	15 ms	3852 KB	Output is correct
67	Correct	14 ms	3852 KB	Output is correct
68	Correct	10 ms	3852 KB	Output is correct
69	Correct	11 ms	3852 KB	Output is correct
70	Correct	11 ms	3852 KB	Output is correct
71	Correct	11 ms	3852 KB	Output is correct
72	Correct	20 ms	3852 KB	Output is correct
73	Correct	20 ms	3852 KB	Output is correct
74	Correct	12 ms	3852 KB	Output is correct
75	Correct	11 ms	3852 KB	Output is correct
76	Correct	11 ms	3852 KB	Output is correct
77	Correct	12 ms	3852 KB	Output is correct
78	Correct	13 ms	3852 KB	Output is correct
79	Correct	12 ms	3852 KB	Output is correct
80	Correct	9 ms	3852 KB	Output is correct
81	Correct	11 ms	3852 KB	Output is correct
82	Correct	12 ms	3852 KB	Output is correct
83	Correct	11 ms	3852 KB	Output is correct
84	Correct	10 ms	3852 KB	Output is correct
85	Correct	11 ms	3852 KB	Output is correct
86	Correct	15 ms	3852 KB	Output is correct
87	Correct	31 ms	4412 KB	Output is correct
88	Correct	132 ms	7116 KB	Output is correct
89	Correct	657 ms	16048 KB	Output is correct
90	Correct	744 ms	16072 KB	Output is correct
91	Correct	611 ms	16072 KB	Output is correct
92	Correct	341 ms	22260 KB	Output is correct
93	Correct	348 ms	22260 KB	Output is correct
94	Correct	349 ms	22260 KB	Output is correct
95	Correct	467 ms	22260 KB	Output is correct
96	Correct	325 ms	22260 KB	Output is correct
97	Correct	336 ms	22260 KB	Output is correct
98	Correct	336 ms	22260 KB	Output is correct
99	Correct	326 ms	22260 KB	Output is correct
100	Correct	876 ms	22260 KB	Output is correct
101	Correct	1218 ms	22260 KB	Output is correct
102	Correct	940 ms	22260 KB	Output is correct
103	Correct	1335 ms	22260 KB	Output is correct
104	Correct	355 ms	22260 KB	Output is correct
105	Correct	418 ms	22260 KB	Output is correct
106	Correct	330 ms	22260 KB	Output is correct
107	Correct	410 ms	22260 KB	Output is correct
108	Correct	422 ms	22260 KB	Output is correct
109	Correct	509 ms	22260 KB	Output is correct
110	Correct	273 ms	22260 KB	Output is correct
111	Correct	336 ms	22260 KB	Output is correct
112	Correct	249 ms	22260 KB	Output is correct
113	Correct	324 ms	22260 KB	Output is correct
114	Correct	1150 ms	22260 KB	Output is correct
115	Correct	1027 ms	22260 KB	Output is correct
116	Correct	419 ms	22260 KB	Output is correct
117	Correct	261 ms	22260 KB	Output is correct
118	Correct	257 ms	22260 KB	Output is correct
119	Correct	257 ms	22260 KB	Output is correct
120	Correct	238 ms	22260 KB	Output is correct
121	Correct	261 ms	22260 KB	Output is correct
122	Correct	258 ms	22260 KB	Output is correct
123	Correct	336 ms	22260 KB	Output is correct
124	Correct	376 ms	22260 KB	Output is correct
125	Correct	321 ms	22260 KB	Output is correct
126	Correct	398 ms	22260 KB	Output is correct
127	Correct	306 ms	22260 KB	Output is correct
128	Correct	308 ms	22260 KB	Output is correct

답안 #56342

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 84.0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
84.0 / 84.0