답안 #56338 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
56338	2018-07-11T05:24:26 Z	김세빈(#1599)	Construction of Highway (JOI18_construction)	C++11	100 / 100	734 ms	18188 KB

construction

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair <ll, ll> pll;

vector <ll> V[101010], X;
vector <pll> M;
ll A[101010], B[101010], C[101010];
ll D[101010], L[101010], R[101010], K[101010];
ll T[303030], P[101010];
ll n, cnt, sz;

ll dfs_order(ll p)
{
	L[p] = R[p] = ++cnt;
	
	for(auto t: V[p]){
		D[t] = D[p] + 1;
		R[p] = dfs_order(t);
	}
	
	return R[p];
}

void insert(ll p, ll v)
{
	p += sz; T[p] = v;
	for(p>>=1;p;p>>=1){
		T[p] = max(T[p<<1], T[p<<1|1]);
	}
}

ll get_max(ll l, ll r)
{
	ll ret = 0;
	
	l += sz, r += sz;
	for(ret=0;l<r;){
		if(l & 1) ret = max(ret, T[l]);
		if(~r & 1) ret = max(ret, T[r]);
		l = l+1 >> 1;
		r = r-1 >> 1;
	}
	if(l == r) ret = max(ret, T[l]);
	
	return ret;
}

void change(ll p, ll v)
{
//	printf("%lld %lld 빼애액\n", p, v);
	for(;p<=n;p+=p&(-p)){
		P[p] += v;
	}
}

ll get_sum(ll p)
{
//	printf("%lld 빼액 ", p);
	ll ret = 0;
	
	for(;p;p-=p&(-p)){
		ret += P[p];
	}
	
//	printf("%lld\n", ret);
	
	return ret;
}

int main()
{
	ll i, p, k, s;
	
	scanf("%lld", &n);
	
	for(sz=1;sz<n;sz<<=1);
	
	for(i=1;i<=n;i++){
		scanf("%lld", C+i);
		X.push_back(C[i]);
	}
	
	sort(X.begin(), X.end());
	X.erase(unique(X.begin(), X.end()), X.end());
	
	for(i=1;i<=n;i++){
		C[i] = lower_bound(X.begin(), X.end(), C[i]) - X.begin() + 1;
	}
	
	B[0] = 1;
	for(i=1;i<n;i++){
		scanf("%lld%lld", A+i, B+i);
		V[A[i]].push_back(B[i]);
	}
	
	D[1] = 1;
	dfs_order(1);
	
	for(i=1;i<n;i++){
//		printf("%lld %lld\n", A[i], B[i]);
		
		M.clear();
		s = 0;
		
		for(p=A[i];p!=0;){
			k = get_max(L[p], R[p]);
			
			s += get_sum(C[B[k]] - 1) * (D[p] - D[K[k]]);
			change(C[B[k]], D[p] - D[K[k]]);
			M.push_back(pll(C[B[k]], D[K[k]] - D[p]));
			
//			printf("%lld (%lld)\n", k, C[B[k]]);
			swap(K[k], p);
		}
		
		printf("%lld\n", s);
		
		for(pll t: M) change(t.first, t.second);
		
		insert(L[B[i]], i);
		K[i] = 0;
		
//		printf("\n");
	}
	
	return 0;
}

Compilation message

construction.cpp: In function 'll get_max(ll, ll)':
construction.cpp:43:8: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   l = l+1 >> 1;
       ~^~
construction.cpp:44:8: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   r = r-1 >> 1;
       ~^~
construction.cpp: In function 'int main()':
construction.cpp:77:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~
construction.cpp:82:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", C+i);
   ~~~~~^~~~~~~~~~~~~
construction.cpp:95:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", A+i, B+i);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	2808 KB	Output is correct
2	Correct	4 ms	2916 KB	Output is correct
3	Correct	5 ms	2952 KB	Output is correct
4	Correct	6 ms	2952 KB	Output is correct
5	Correct	5 ms	2952 KB	Output is correct
6	Correct	4 ms	2952 KB	Output is correct
7	Correct	5 ms	2988 KB	Output is correct
8	Correct	6 ms	2988 KB	Output is correct
9	Correct	6 ms	2988 KB	Output is correct
10	Correct	6 ms	3004 KB	Output is correct
11	Correct	5 ms	3004 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	5 ms	3052 KB	Output is correct
14	Correct	5 ms	3056 KB	Output is correct
15	Correct	4 ms	3056 KB	Output is correct
16	Correct	5 ms	3056 KB	Output is correct
17	Correct	6 ms	3056 KB	Output is correct
18	Correct	5 ms	3056 KB	Output is correct
19	Correct	4 ms	3180 KB	Output is correct
20	Correct	5 ms	3180 KB	Output is correct
21	Correct	6 ms	3180 KB	Output is correct
22	Correct	6 ms	3180 KB	Output is correct
23	Correct	5 ms	3180 KB	Output is correct
24	Correct	6 ms	3180 KB	Output is correct
25	Correct	6 ms	3180 KB	Output is correct
26	Correct	5 ms	3180 KB	Output is correct
27	Correct	5 ms	3180 KB	Output is correct
28	Correct	6 ms	3180 KB	Output is correct
29	Correct	6 ms	3180 KB	Output is correct
30	Correct	6 ms	3180 KB	Output is correct
31	Correct	5 ms	3180 KB	Output is correct
32	Correct	5 ms	3180 KB	Output is correct
33	Correct	5 ms	3180 KB	Output is correct
34	Correct	5 ms	3180 KB	Output is correct
35	Correct	5 ms	3180 KB	Output is correct
36	Correct	6 ms	3196 KB	Output is correct
37	Correct	5 ms	3196 KB	Output is correct
38	Correct	5 ms	3196 KB	Output is correct
39	Correct	6 ms	3196 KB	Output is correct
40	Correct	6 ms	3196 KB	Output is correct
41	Correct	5 ms	3196 KB	Output is correct
42	Correct	5 ms	3196 KB	Output is correct
43	Correct	5 ms	3196 KB	Output is correct
44	Correct	5 ms	3196 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	2808 KB	Output is correct
2	Correct	4 ms	2916 KB	Output is correct
3	Correct	5 ms	2952 KB	Output is correct
4	Correct	6 ms	2952 KB	Output is correct
5	Correct	5 ms	2952 KB	Output is correct
6	Correct	4 ms	2952 KB	Output is correct
7	Correct	5 ms	2988 KB	Output is correct
8	Correct	6 ms	2988 KB	Output is correct
9	Correct	6 ms	2988 KB	Output is correct
10	Correct	6 ms	3004 KB	Output is correct
11	Correct	5 ms	3004 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	5 ms	3052 KB	Output is correct
14	Correct	5 ms	3056 KB	Output is correct
15	Correct	4 ms	3056 KB	Output is correct
16	Correct	5 ms	3056 KB	Output is correct
17	Correct	6 ms	3056 KB	Output is correct
18	Correct	5 ms	3056 KB	Output is correct
19	Correct	4 ms	3180 KB	Output is correct
20	Correct	5 ms	3180 KB	Output is correct
21	Correct	6 ms	3180 KB	Output is correct
22	Correct	6 ms	3180 KB	Output is correct
23	Correct	5 ms	3180 KB	Output is correct
24	Correct	6 ms	3180 KB	Output is correct
25	Correct	6 ms	3180 KB	Output is correct
26	Correct	5 ms	3180 KB	Output is correct
27	Correct	5 ms	3180 KB	Output is correct
28	Correct	6 ms	3180 KB	Output is correct
29	Correct	6 ms	3180 KB	Output is correct
30	Correct	6 ms	3180 KB	Output is correct
31	Correct	5 ms	3180 KB	Output is correct
32	Correct	5 ms	3180 KB	Output is correct
33	Correct	5 ms	3180 KB	Output is correct
34	Correct	5 ms	3180 KB	Output is correct
35	Correct	5 ms	3180 KB	Output is correct
36	Correct	6 ms	3196 KB	Output is correct
37	Correct	5 ms	3196 KB	Output is correct
38	Correct	5 ms	3196 KB	Output is correct
39	Correct	6 ms	3196 KB	Output is correct
40	Correct	6 ms	3196 KB	Output is correct
41	Correct	5 ms	3196 KB	Output is correct
42	Correct	5 ms	3196 KB	Output is correct
43	Correct	5 ms	3196 KB	Output is correct
44	Correct	5 ms	3196 KB	Output is correct
45	Correct	6 ms	3196 KB	Output is correct
46	Correct	11 ms	3452 KB	Output is correct
47	Correct	15 ms	3452 KB	Output is correct
48	Correct	12 ms	3552 KB	Output is correct
49	Correct	14 ms	3612 KB	Output is correct
50	Correct	15 ms	3628 KB	Output is correct
51	Correct	10 ms	3684 KB	Output is correct
52	Correct	9 ms	3684 KB	Output is correct
53	Correct	8 ms	3684 KB	Output is correct
54	Correct	9 ms	3684 KB	Output is correct
55	Correct	12 ms	3684 KB	Output is correct
56	Correct	10 ms	3684 KB	Output is correct
57	Correct	15 ms	3684 KB	Output is correct
58	Correct	14 ms	3684 KB	Output is correct
59	Correct	15 ms	3684 KB	Output is correct
60	Correct	14 ms	3684 KB	Output is correct
61	Correct	10 ms	3684 KB	Output is correct
62	Correct	10 ms	3684 KB	Output is correct
63	Correct	12 ms	3684 KB	Output is correct
64	Correct	9 ms	3684 KB	Output is correct
65	Correct	15 ms	3684 KB	Output is correct
66	Correct	9 ms	3684 KB	Output is correct
67	Correct	15 ms	3684 KB	Output is correct
68	Correct	11 ms	3684 KB	Output is correct
69	Correct	13 ms	3724 KB	Output is correct
70	Correct	9 ms	3724 KB	Output is correct
71	Correct	12 ms	3724 KB	Output is correct
72	Correct	14 ms	3724 KB	Output is correct
73	Correct	12 ms	3724 KB	Output is correct
74	Correct	9 ms	3724 KB	Output is correct
75	Correct	10 ms	3724 KB	Output is correct
76	Correct	12 ms	3724 KB	Output is correct
77	Correct	12 ms	3724 KB	Output is correct
78	Correct	8 ms	3724 KB	Output is correct
79	Correct	9 ms	3724 KB	Output is correct
80	Correct	8 ms	3724 KB	Output is correct
81	Correct	8 ms	3724 KB	Output is correct
82	Correct	8 ms	3724 KB	Output is correct
83	Correct	10 ms	3724 KB	Output is correct
84	Correct	9 ms	3724 KB	Output is correct
85	Correct	9 ms	3724 KB	Output is correct
86	Correct	12 ms	3724 KB	Output is correct

Subtask #3
84.0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	2808 KB	Output is correct
2	Correct	4 ms	2916 KB	Output is correct
3	Correct	5 ms	2952 KB	Output is correct
4	Correct	6 ms	2952 KB	Output is correct
5	Correct	5 ms	2952 KB	Output is correct
6	Correct	4 ms	2952 KB	Output is correct
7	Correct	5 ms	2988 KB	Output is correct
8	Correct	6 ms	2988 KB	Output is correct
9	Correct	6 ms	2988 KB	Output is correct
10	Correct	6 ms	3004 KB	Output is correct
11	Correct	5 ms	3004 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	5 ms	3052 KB	Output is correct
14	Correct	5 ms	3056 KB	Output is correct
15	Correct	4 ms	3056 KB	Output is correct
16	Correct	5 ms	3056 KB	Output is correct
17	Correct	6 ms	3056 KB	Output is correct
18	Correct	5 ms	3056 KB	Output is correct
19	Correct	4 ms	3180 KB	Output is correct
20	Correct	5 ms	3180 KB	Output is correct
21	Correct	6 ms	3180 KB	Output is correct
22	Correct	6 ms	3180 KB	Output is correct
23	Correct	5 ms	3180 KB	Output is correct
24	Correct	6 ms	3180 KB	Output is correct
25	Correct	6 ms	3180 KB	Output is correct
26	Correct	5 ms	3180 KB	Output is correct
27	Correct	5 ms	3180 KB	Output is correct
28	Correct	6 ms	3180 KB	Output is correct
29	Correct	6 ms	3180 KB	Output is correct
30	Correct	6 ms	3180 KB	Output is correct
31	Correct	5 ms	3180 KB	Output is correct
32	Correct	5 ms	3180 KB	Output is correct
33	Correct	5 ms	3180 KB	Output is correct
34	Correct	5 ms	3180 KB	Output is correct
35	Correct	5 ms	3180 KB	Output is correct
36	Correct	6 ms	3196 KB	Output is correct
37	Correct	5 ms	3196 KB	Output is correct
38	Correct	5 ms	3196 KB	Output is correct
39	Correct	6 ms	3196 KB	Output is correct
40	Correct	6 ms	3196 KB	Output is correct
41	Correct	5 ms	3196 KB	Output is correct
42	Correct	5 ms	3196 KB	Output is correct
43	Correct	5 ms	3196 KB	Output is correct
44	Correct	5 ms	3196 KB	Output is correct
45	Correct	6 ms	3196 KB	Output is correct
46	Correct	11 ms	3452 KB	Output is correct
47	Correct	15 ms	3452 KB	Output is correct
48	Correct	12 ms	3552 KB	Output is correct
49	Correct	14 ms	3612 KB	Output is correct
50	Correct	15 ms	3628 KB	Output is correct
51	Correct	10 ms	3684 KB	Output is correct
52	Correct	9 ms	3684 KB	Output is correct
53	Correct	8 ms	3684 KB	Output is correct
54	Correct	9 ms	3684 KB	Output is correct
55	Correct	12 ms	3684 KB	Output is correct
56	Correct	10 ms	3684 KB	Output is correct
57	Correct	15 ms	3684 KB	Output is correct
58	Correct	14 ms	3684 KB	Output is correct
59	Correct	15 ms	3684 KB	Output is correct
60	Correct	14 ms	3684 KB	Output is correct
61	Correct	10 ms	3684 KB	Output is correct
62	Correct	10 ms	3684 KB	Output is correct
63	Correct	12 ms	3684 KB	Output is correct
64	Correct	9 ms	3684 KB	Output is correct
65	Correct	15 ms	3684 KB	Output is correct
66	Correct	9 ms	3684 KB	Output is correct
67	Correct	15 ms	3684 KB	Output is correct
68	Correct	11 ms	3684 KB	Output is correct
69	Correct	13 ms	3724 KB	Output is correct
70	Correct	9 ms	3724 KB	Output is correct
71	Correct	12 ms	3724 KB	Output is correct
72	Correct	14 ms	3724 KB	Output is correct
73	Correct	12 ms	3724 KB	Output is correct
74	Correct	9 ms	3724 KB	Output is correct
75	Correct	10 ms	3724 KB	Output is correct
76	Correct	12 ms	3724 KB	Output is correct
77	Correct	12 ms	3724 KB	Output is correct
78	Correct	8 ms	3724 KB	Output is correct
79	Correct	9 ms	3724 KB	Output is correct
80	Correct	8 ms	3724 KB	Output is correct
81	Correct	8 ms	3724 KB	Output is correct
82	Correct	8 ms	3724 KB	Output is correct
83	Correct	10 ms	3724 KB	Output is correct
84	Correct	9 ms	3724 KB	Output is correct
85	Correct	9 ms	3724 KB	Output is correct
86	Correct	12 ms	3724 KB	Output is correct
87	Correct	29 ms	4156 KB	Output is correct
88	Correct	74 ms	6348 KB	Output is correct
89	Correct	353 ms	13868 KB	Output is correct
90	Correct	395 ms	13908 KB	Output is correct
91	Correct	322 ms	13908 KB	Output is correct
92	Correct	168 ms	18188 KB	Output is correct
93	Correct	180 ms	18188 KB	Output is correct
94	Correct	166 ms	18188 KB	Output is correct
95	Correct	160 ms	18188 KB	Output is correct
96	Correct	165 ms	18188 KB	Output is correct
97	Correct	279 ms	18188 KB	Output is correct
98	Correct	315 ms	18188 KB	Output is correct
99	Correct	220 ms	18188 KB	Output is correct
100	Correct	573 ms	18188 KB	Output is correct
101	Correct	723 ms	18188 KB	Output is correct
102	Correct	734 ms	18188 KB	Output is correct
103	Correct	715 ms	18188 KB	Output is correct
104	Correct	229 ms	18188 KB	Output is correct
105	Correct	247 ms	18188 KB	Output is correct
106	Correct	239 ms	18188 KB	Output is correct
107	Correct	325 ms	18188 KB	Output is correct
108	Correct	363 ms	18188 KB	Output is correct
109	Correct	367 ms	18188 KB	Output is correct
110	Correct	180 ms	18188 KB	Output is correct
111	Correct	255 ms	18188 KB	Output is correct
112	Correct	193 ms	18188 KB	Output is correct
113	Correct	215 ms	18188 KB	Output is correct
114	Correct	656 ms	18188 KB	Output is correct
115	Correct	675 ms	18188 KB	Output is correct
116	Correct	228 ms	18188 KB	Output is correct
117	Correct	246 ms	18188 KB	Output is correct
118	Correct	259 ms	18188 KB	Output is correct
119	Correct	221 ms	18188 KB	Output is correct
120	Correct	217 ms	18188 KB	Output is correct
121	Correct	195 ms	18188 KB	Output is correct
122	Correct	134 ms	18188 KB	Output is correct
123	Correct	174 ms	18188 KB	Output is correct
124	Correct	238 ms	18188 KB	Output is correct
125	Correct	166 ms	18188 KB	Output is correct
126	Correct	149 ms	18188 KB	Output is correct
127	Correct	167 ms	18188 KB	Output is correct
128	Correct	143 ms	18188 KB	Output is correct

답안 #56338

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