oj.uz

Submission #56338

# Submission time Handle Problem Language Result Execution time Memory
56338 2018-07-11T05:24:26 Z 김세빈(#1599) Construction of Highway (JOI18_construction) C++11
100 / 100
 734 ms 18188 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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