답안 #56343 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
56343	2018-07-11T05:29:06 Z	김세빈(#1599)	Construction of Highway (JOI18_construction)	C++11	100 / 100	594 ms	18172 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)
{
	for(;p<=n;p+=p&(-p)){
		P[p] += v;
	}
}

ll get_sum(ll p)
{
	ll ret = 0;
	
	for(;p;p-=p&(-p)){
		ret += P[p];
	}
	
	return ret;
}

int main()
{
	ll i, p, k, s, c, d;
	
	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++){
		M.clear();
		s = 0;
		
		for(p=A[i];p!=0;){
			k = get_max(L[p], R[p]);
			
			c = C[B[k]], d = D[p] - D[K[k]];
			s += get_sum(c - 1) * d;
			change(c, d);
			M.push_back(pll(c, -d));
			
			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;
	}
	
	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:73:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~
construction.cpp:78:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", C+i);
   ~~~~~^~~~~~~~~~~~~
construction.cpp:91:8: 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	4 ms	2680 KB	Output is correct
2	Correct	4 ms	2920 KB	Output is correct
3	Correct	4 ms	2976 KB	Output is correct
4	Correct	5 ms	2976 KB	Output is correct
5	Correct	5 ms	2976 KB	Output is correct
6	Correct	4 ms	2984 KB	Output is correct
7	Correct	4 ms	2984 KB	Output is correct
8	Correct	4 ms	2984 KB	Output is correct
9	Correct	4 ms	3000 KB	Output is correct
10	Correct	4 ms	3044 KB	Output is correct
11	Correct	5 ms	3044 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	6 ms	3052 KB	Output is correct
14	Correct	6 ms	3052 KB	Output is correct
15	Correct	6 ms	3052 KB	Output is correct
16	Correct	4 ms	3052 KB	Output is correct
17	Correct	5 ms	3052 KB	Output is correct
18	Correct	5 ms	3068 KB	Output is correct
19	Correct	5 ms	3068 KB	Output is correct
20	Correct	5 ms	3068 KB	Output is correct
21	Correct	5 ms	3068 KB	Output is correct
22	Correct	5 ms	3068 KB	Output is correct
23	Correct	5 ms	3068 KB	Output is correct
24	Correct	5 ms	3068 KB	Output is correct
25	Correct	6 ms	3068 KB	Output is correct
26	Correct	6 ms	3068 KB	Output is correct
27	Correct	5 ms	3068 KB	Output is correct
28	Correct	5 ms	3068 KB	Output is correct
29	Correct	4 ms	3068 KB	Output is correct
30	Correct	4 ms	3068 KB	Output is correct
31	Correct	4 ms	3068 KB	Output is correct
32	Correct	4 ms	3068 KB	Output is correct
33	Correct	5 ms	3068 KB	Output is correct
34	Correct	4 ms	3068 KB	Output is correct
35	Correct	8 ms	3068 KB	Output is correct
36	Correct	5 ms	3068 KB	Output is correct
37	Correct	5 ms	3068 KB	Output is correct
38	Correct	5 ms	3068 KB	Output is correct
39	Correct	5 ms	3068 KB	Output is correct
40	Correct	6 ms	3068 KB	Output is correct
41	Correct	4 ms	3068 KB	Output is correct
42	Correct	5 ms	3068 KB	Output is correct
43	Correct	5 ms	3068 KB	Output is correct
44	Correct	5 ms	3068 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	Output is correct
2	Correct	4 ms	2920 KB	Output is correct
3	Correct	4 ms	2976 KB	Output is correct
4	Correct	5 ms	2976 KB	Output is correct
5	Correct	5 ms	2976 KB	Output is correct
6	Correct	4 ms	2984 KB	Output is correct
7	Correct	4 ms	2984 KB	Output is correct
8	Correct	4 ms	2984 KB	Output is correct
9	Correct	4 ms	3000 KB	Output is correct
10	Correct	4 ms	3044 KB	Output is correct
11	Correct	5 ms	3044 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	6 ms	3052 KB	Output is correct
14	Correct	6 ms	3052 KB	Output is correct
15	Correct	6 ms	3052 KB	Output is correct
16	Correct	4 ms	3052 KB	Output is correct
17	Correct	5 ms	3052 KB	Output is correct
18	Correct	5 ms	3068 KB	Output is correct
19	Correct	5 ms	3068 KB	Output is correct
20	Correct	5 ms	3068 KB	Output is correct
21	Correct	5 ms	3068 KB	Output is correct
22	Correct	5 ms	3068 KB	Output is correct
23	Correct	5 ms	3068 KB	Output is correct
24	Correct	5 ms	3068 KB	Output is correct
25	Correct	6 ms	3068 KB	Output is correct
26	Correct	6 ms	3068 KB	Output is correct
27	Correct	5 ms	3068 KB	Output is correct
28	Correct	5 ms	3068 KB	Output is correct
29	Correct	4 ms	3068 KB	Output is correct
30	Correct	4 ms	3068 KB	Output is correct
31	Correct	4 ms	3068 KB	Output is correct
32	Correct	4 ms	3068 KB	Output is correct
33	Correct	5 ms	3068 KB	Output is correct
34	Correct	4 ms	3068 KB	Output is correct
35	Correct	8 ms	3068 KB	Output is correct
36	Correct	5 ms	3068 KB	Output is correct
37	Correct	5 ms	3068 KB	Output is correct
38	Correct	5 ms	3068 KB	Output is correct
39	Correct	5 ms	3068 KB	Output is correct
40	Correct	6 ms	3068 KB	Output is correct
41	Correct	4 ms	3068 KB	Output is correct
42	Correct	5 ms	3068 KB	Output is correct
43	Correct	5 ms	3068 KB	Output is correct
44	Correct	5 ms	3068 KB	Output is correct
45	Correct	5 ms	3068 KB	Output is correct
46	Correct	10 ms	3452 KB	Output is correct
47	Correct	11 ms	3488 KB	Output is correct
48	Correct	9 ms	3488 KB	Output is correct
49	Correct	10 ms	3612 KB	Output is correct
50	Correct	9 ms	3612 KB	Output is correct
51	Correct	8 ms	3628 KB	Output is correct
52	Correct	8 ms	3628 KB	Output is correct
53	Correct	7 ms	3644 KB	Output is correct
54	Correct	8 ms	3644 KB	Output is correct
55	Correct	8 ms	3644 KB	Output is correct
56	Correct	8 ms	3644 KB	Output is correct
57	Correct	11 ms	3680 KB	Output is correct
58	Correct	14 ms	3680 KB	Output is correct
59	Correct	13 ms	3680 KB	Output is correct
60	Correct	13 ms	3680 KB	Output is correct
61	Correct	8 ms	3680 KB	Output is correct
62	Correct	8 ms	3680 KB	Output is correct
63	Correct	14 ms	3680 KB	Output is correct
64	Correct	11 ms	3680 KB	Output is correct
65	Correct	12 ms	3680 KB	Output is correct
66	Correct	11 ms	3680 KB	Output is correct
67	Correct	13 ms	3680 KB	Output is correct
68	Correct	13 ms	3680 KB	Output is correct
69	Correct	8 ms	3680 KB	Output is correct
70	Correct	8 ms	3680 KB	Output is correct
71	Correct	9 ms	3680 KB	Output is correct
72	Correct	10 ms	3680 KB	Output is correct
73	Correct	14 ms	3680 KB	Output is correct
74	Correct	8 ms	3680 KB	Output is correct
75	Correct	8 ms	3680 KB	Output is correct
76	Correct	7 ms	3680 KB	Output is correct
77	Correct	7 ms	3680 KB	Output is correct
78	Correct	7 ms	3680 KB	Output is correct
79	Correct	7 ms	3680 KB	Output is correct
80	Correct	7 ms	3680 KB	Output is correct
81	Correct	11 ms	3680 KB	Output is correct
82	Correct	12 ms	3680 KB	Output is correct
83	Correct	8 ms	3680 KB	Output is correct
84	Correct	7 ms	3680 KB	Output is correct
85	Correct	7 ms	3680 KB	Output is correct
86	Correct	7 ms	3680 KB	Output is correct

Subtask #3
84.0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	2680 KB	Output is correct
2	Correct	4 ms	2920 KB	Output is correct
3	Correct	4 ms	2976 KB	Output is correct
4	Correct	5 ms	2976 KB	Output is correct
5	Correct	5 ms	2976 KB	Output is correct
6	Correct	4 ms	2984 KB	Output is correct
7	Correct	4 ms	2984 KB	Output is correct
8	Correct	4 ms	2984 KB	Output is correct
9	Correct	4 ms	3000 KB	Output is correct
10	Correct	4 ms	3044 KB	Output is correct
11	Correct	5 ms	3044 KB	Output is correct
12	Correct	5 ms	3052 KB	Output is correct
13	Correct	6 ms	3052 KB	Output is correct
14	Correct	6 ms	3052 KB	Output is correct
15	Correct	6 ms	3052 KB	Output is correct
16	Correct	4 ms	3052 KB	Output is correct
17	Correct	5 ms	3052 KB	Output is correct
18	Correct	5 ms	3068 KB	Output is correct
19	Correct	5 ms	3068 KB	Output is correct
20	Correct	5 ms	3068 KB	Output is correct
21	Correct	5 ms	3068 KB	Output is correct
22	Correct	5 ms	3068 KB	Output is correct
23	Correct	5 ms	3068 KB	Output is correct
24	Correct	5 ms	3068 KB	Output is correct
25	Correct	6 ms	3068 KB	Output is correct
26	Correct	6 ms	3068 KB	Output is correct
27	Correct	5 ms	3068 KB	Output is correct
28	Correct	5 ms	3068 KB	Output is correct
29	Correct	4 ms	3068 KB	Output is correct
30	Correct	4 ms	3068 KB	Output is correct
31	Correct	4 ms	3068 KB	Output is correct
32	Correct	4 ms	3068 KB	Output is correct
33	Correct	5 ms	3068 KB	Output is correct
34	Correct	4 ms	3068 KB	Output is correct
35	Correct	8 ms	3068 KB	Output is correct
36	Correct	5 ms	3068 KB	Output is correct
37	Correct	5 ms	3068 KB	Output is correct
38	Correct	5 ms	3068 KB	Output is correct
39	Correct	5 ms	3068 KB	Output is correct
40	Correct	6 ms	3068 KB	Output is correct
41	Correct	4 ms	3068 KB	Output is correct
42	Correct	5 ms	3068 KB	Output is correct
43	Correct	5 ms	3068 KB	Output is correct
44	Correct	5 ms	3068 KB	Output is correct
45	Correct	5 ms	3068 KB	Output is correct
46	Correct	10 ms	3452 KB	Output is correct
47	Correct	11 ms	3488 KB	Output is correct
48	Correct	9 ms	3488 KB	Output is correct
49	Correct	10 ms	3612 KB	Output is correct
50	Correct	9 ms	3612 KB	Output is correct
51	Correct	8 ms	3628 KB	Output is correct
52	Correct	8 ms	3628 KB	Output is correct
53	Correct	7 ms	3644 KB	Output is correct
54	Correct	8 ms	3644 KB	Output is correct
55	Correct	8 ms	3644 KB	Output is correct
56	Correct	8 ms	3644 KB	Output is correct
57	Correct	11 ms	3680 KB	Output is correct
58	Correct	14 ms	3680 KB	Output is correct
59	Correct	13 ms	3680 KB	Output is correct
60	Correct	13 ms	3680 KB	Output is correct
61	Correct	8 ms	3680 KB	Output is correct
62	Correct	8 ms	3680 KB	Output is correct
63	Correct	14 ms	3680 KB	Output is correct
64	Correct	11 ms	3680 KB	Output is correct
65	Correct	12 ms	3680 KB	Output is correct
66	Correct	11 ms	3680 KB	Output is correct
67	Correct	13 ms	3680 KB	Output is correct
68	Correct	13 ms	3680 KB	Output is correct
69	Correct	8 ms	3680 KB	Output is correct
70	Correct	8 ms	3680 KB	Output is correct
71	Correct	9 ms	3680 KB	Output is correct
72	Correct	10 ms	3680 KB	Output is correct
73	Correct	14 ms	3680 KB	Output is correct
74	Correct	8 ms	3680 KB	Output is correct
75	Correct	8 ms	3680 KB	Output is correct
76	Correct	7 ms	3680 KB	Output is correct
77	Correct	7 ms	3680 KB	Output is correct
78	Correct	7 ms	3680 KB	Output is correct
79	Correct	7 ms	3680 KB	Output is correct
80	Correct	7 ms	3680 KB	Output is correct
81	Correct	11 ms	3680 KB	Output is correct
82	Correct	12 ms	3680 KB	Output is correct
83	Correct	8 ms	3680 KB	Output is correct
84	Correct	7 ms	3680 KB	Output is correct
85	Correct	7 ms	3680 KB	Output is correct
86	Correct	7 ms	3680 KB	Output is correct
87	Correct	25 ms	4156 KB	Output is correct
88	Correct	81 ms	6232 KB	Output is correct
89	Correct	255 ms	13792 KB	Output is correct
90	Correct	303 ms	14028 KB	Output is correct
91	Correct	401 ms	14028 KB	Output is correct
92	Correct	187 ms	18140 KB	Output is correct
93	Correct	138 ms	18148 KB	Output is correct
94	Correct	137 ms	18172 KB	Output is correct
95	Correct	149 ms	18172 KB	Output is correct
96	Correct	237 ms	18172 KB	Output is correct
97	Correct	227 ms	18172 KB	Output is correct
98	Correct	214 ms	18172 KB	Output is correct
99	Correct	214 ms	18172 KB	Output is correct
100	Correct	582 ms	18172 KB	Output is correct
101	Correct	594 ms	18172 KB	Output is correct
102	Correct	471 ms	18172 KB	Output is correct
103	Correct	591 ms	18172 KB	Output is correct
104	Correct	232 ms	18172 KB	Output is correct
105	Correct	224 ms	18172 KB	Output is correct
106	Correct	221 ms	18172 KB	Output is correct
107	Correct	298 ms	18172 KB	Output is correct
108	Correct	298 ms	18172 KB	Output is correct
109	Correct	323 ms	18172 KB	Output is correct
110	Correct	168 ms	18172 KB	Output is correct
111	Correct	221 ms	18172 KB	Output is correct
112	Correct	157 ms	18172 KB	Output is correct
113	Correct	130 ms	18172 KB	Output is correct
114	Correct	571 ms	18172 KB	Output is correct
115	Correct	590 ms	18172 KB	Output is correct
116	Correct	139 ms	18172 KB	Output is correct
117	Correct	147 ms	18172 KB	Output is correct
118	Correct	187 ms	18172 KB	Output is correct
119	Correct	224 ms	18172 KB	Output is correct
120	Correct	183 ms	18172 KB	Output is correct
121	Correct	183 ms	18172 KB	Output is correct
122	Correct	198 ms	18172 KB	Output is correct
123	Correct	212 ms	18172 KB	Output is correct
124	Correct	223 ms	18172 KB	Output is correct
125	Correct	237 ms	18172 KB	Output is correct
126	Correct	213 ms	18172 KB	Output is correct
127	Correct	151 ms	18172 KB	Output is correct
128	Correct	146 ms	18172 KB	Output is correct

답안 #56343

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