답안 #100750

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
100750	2019-03-14T06:05:05 Z	TAISA_	Construction of Highway (JOI18_construction)	C++14	16 / 100	2000 ms	8056 KB

construction

#include<bits/stdc++.h>
#define all(vec) vec.begin(),vec.end()
using namespace std;
using ll=long long;
template<typename T> void chmax(T &a,T b){a=max(a,b);}
template<typename T> void chmin(T &a,T b){a=min(a,b);}
vector<vector<int>> G;
struct BIT{
	vector<int> bit;
	BIT(int n){
		bit.resize(n+1,0);
	}
	void add(int k,int x){
		for(++k;k<bit.size();k+=k&-k){
			bit[k]+=x;
		}
	}
	int sum(int k){
		int res=0;
		for(++k;k>0;k-=k&-k){
			res+=bit[k];
		}
		return res;
	}
};
int main(){
	int n;cin>>n;
	vector<ll> c(n);
	G.resize(n);
	vector<int> par(n,-1);
	for(int i=0;i<n;i++)cin>>c[i];
	for(int i=0;i<n-1;i++){
		int a,b;cin>>a>>b;--a;--b;
		G[a].push_back(b);
		par[b]=a;
		vector<int> v,vv;
		while(a!=-1){
			v.push_back(c[a]);
			vv.push_back(c[a]);
			c[a]=c[b];
			a=par[a];
		}
		sort(all(vv));
		map<int,int> mp;
		for(int j=0;j<vv.size();j++){
			mp[vv[j]]=j;
		}
		reverse(all(v));
		int ans=0;
		BIT bit(vv.size());
		for(int j=0;j<v.size();j++){
			v[j]=mp[v[j]];
			ans+=bit.sum(vv.size()-1)-bit.sum(v[j]);
			bit.add(v[j],1);
		}
		cout<<ans<<endl;
	}
}

Compilation message

construction.cpp: In member function 'void BIT::add(int, int)':
construction.cpp:14:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(++k;k<bit.size();k+=k&-k){
           ~^~~~~~~~~~~
construction.cpp: In function 'int main()':
construction.cpp:45:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<vv.size();j++){
               ~^~~~~~~~~~
construction.cpp:51:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<v.size();j++){
               ~^~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	9 ms	384 KB	Output is correct
9	Correct	7 ms	384 KB	Output is correct
10	Correct	8 ms	384 KB	Output is correct
11	Correct	6 ms	512 KB	Output is correct
12	Correct	6 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	6 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	4 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	6 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	4 ms	384 KB	Output is correct
26	Correct	8 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	6 ms	384 KB	Output is correct
29	Correct	6 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	4 ms	384 KB	Output is correct
32	Correct	6 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	4 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	6 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	6 ms	384 KB	Output is correct
43	Correct	5 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct

Subtask #2
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	9 ms	384 KB	Output is correct
9	Correct	7 ms	384 KB	Output is correct
10	Correct	8 ms	384 KB	Output is correct
11	Correct	6 ms	512 KB	Output is correct
12	Correct	6 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	6 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	4 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	6 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	4 ms	384 KB	Output is correct
26	Correct	8 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	6 ms	384 KB	Output is correct
29	Correct	6 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	4 ms	384 KB	Output is correct
32	Correct	6 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	4 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	6 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	6 ms	384 KB	Output is correct
43	Correct	5 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	7 ms	384 KB	Output is correct
46	Correct	20 ms	640 KB	Output is correct
47	Correct	23 ms	612 KB	Output is correct
48	Correct	18 ms	676 KB	Output is correct
49	Correct	357 ms	952 KB	Output is correct
50	Correct	396 ms	888 KB	Output is correct
51	Correct	348 ms	776 KB	Output is correct
52	Correct	182 ms	760 KB	Output is correct
53	Correct	152 ms	632 KB	Output is correct
54	Correct	214 ms	780 KB	Output is correct
55	Correct	188 ms	632 KB	Output is correct
56	Correct	180 ms	724 KB	Output is correct
57	Correct	17 ms	576 KB	Output is correct
58	Correct	22 ms	640 KB	Output is correct
59	Correct	20 ms	640 KB	Output is correct
60	Correct	21 ms	640 KB	Output is correct
61	Correct	183 ms	756 KB	Output is correct
62	Correct	176 ms	632 KB	Output is correct
63	Correct	213 ms	740 KB	Output is correct
64	Correct	22 ms	512 KB	Output is correct
65	Correct	15 ms	512 KB	Output is correct
66	Correct	24 ms	640 KB	Output is correct
67	Correct	16 ms	640 KB	Output is correct
68	Correct	310 ms	632 KB	Output is correct
69	Correct	164 ms	680 KB	Output is correct
70	Correct	170 ms	664 KB	Output is correct
71	Correct	186 ms	632 KB	Output is correct
72	Correct	18 ms	640 KB	Output is correct
73	Correct	21 ms	640 KB	Output is correct
74	Correct	179 ms	632 KB	Output is correct
75	Correct	101 ms	632 KB	Output is correct
76	Correct	71 ms	632 KB	Output is correct
77	Correct	53 ms	632 KB	Output is correct
78	Correct	93 ms	512 KB	Output is correct
79	Correct	66 ms	640 KB	Output is correct
80	Correct	52 ms	512 KB	Output is correct
81	Correct	97 ms	636 KB	Output is correct
82	Correct	64 ms	632 KB	Output is correct
83	Correct	60 ms	732 KB	Output is correct
84	Correct	102 ms	632 KB	Output is correct
85	Correct	128 ms	632 KB	Output is correct
86	Correct	53 ms	608 KB	Output is correct

Subtask #3
0 / 84.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	384 KB	Output is correct
2	Correct	2 ms	384 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	3 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	4 ms	384 KB	Output is correct
7	Correct	3 ms	384 KB	Output is correct
8	Correct	9 ms	384 KB	Output is correct
9	Correct	7 ms	384 KB	Output is correct
10	Correct	8 ms	384 KB	Output is correct
11	Correct	6 ms	512 KB	Output is correct
12	Correct	6 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	6 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	4 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	4 ms	384 KB	Output is correct
19	Correct	6 ms	384 KB	Output is correct
20	Correct	6 ms	384 KB	Output is correct
21	Correct	6 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	4 ms	384 KB	Output is correct
24	Correct	4 ms	384 KB	Output is correct
25	Correct	4 ms	384 KB	Output is correct
26	Correct	8 ms	384 KB	Output is correct
27	Correct	6 ms	384 KB	Output is correct
28	Correct	6 ms	384 KB	Output is correct
29	Correct	6 ms	384 KB	Output is correct
30	Correct	1 ms	256 KB	Output is correct
31	Correct	4 ms	384 KB	Output is correct
32	Correct	6 ms	384 KB	Output is correct
33	Correct	5 ms	384 KB	Output is correct
34	Correct	5 ms	384 KB	Output is correct
35	Correct	4 ms	384 KB	Output is correct
36	Correct	4 ms	384 KB	Output is correct
37	Correct	5 ms	384 KB	Output is correct
38	Correct	5 ms	384 KB	Output is correct
39	Correct	5 ms	384 KB	Output is correct
40	Correct	6 ms	384 KB	Output is correct
41	Correct	5 ms	384 KB	Output is correct
42	Correct	6 ms	384 KB	Output is correct
43	Correct	5 ms	384 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Correct	7 ms	384 KB	Output is correct
46	Correct	20 ms	640 KB	Output is correct
47	Correct	23 ms	612 KB	Output is correct
48	Correct	18 ms	676 KB	Output is correct
49	Correct	357 ms	952 KB	Output is correct
50	Correct	396 ms	888 KB	Output is correct
51	Correct	348 ms	776 KB	Output is correct
52	Correct	182 ms	760 KB	Output is correct
53	Correct	152 ms	632 KB	Output is correct
54	Correct	214 ms	780 KB	Output is correct
55	Correct	188 ms	632 KB	Output is correct
56	Correct	180 ms	724 KB	Output is correct
57	Correct	17 ms	576 KB	Output is correct
58	Correct	22 ms	640 KB	Output is correct
59	Correct	20 ms	640 KB	Output is correct
60	Correct	21 ms	640 KB	Output is correct
61	Correct	183 ms	756 KB	Output is correct
62	Correct	176 ms	632 KB	Output is correct
63	Correct	213 ms	740 KB	Output is correct
64	Correct	22 ms	512 KB	Output is correct
65	Correct	15 ms	512 KB	Output is correct
66	Correct	24 ms	640 KB	Output is correct
67	Correct	16 ms	640 KB	Output is correct
68	Correct	310 ms	632 KB	Output is correct
69	Correct	164 ms	680 KB	Output is correct
70	Correct	170 ms	664 KB	Output is correct
71	Correct	186 ms	632 KB	Output is correct
72	Correct	18 ms	640 KB	Output is correct
73	Correct	21 ms	640 KB	Output is correct
74	Correct	179 ms	632 KB	Output is correct
75	Correct	101 ms	632 KB	Output is correct
76	Correct	71 ms	632 KB	Output is correct
77	Correct	53 ms	632 KB	Output is correct
78	Correct	93 ms	512 KB	Output is correct
79	Correct	66 ms	640 KB	Output is correct
80	Correct	52 ms	512 KB	Output is correct
81	Correct	97 ms	636 KB	Output is correct
82	Correct	64 ms	632 KB	Output is correct
83	Correct	60 ms	732 KB	Output is correct
84	Correct	102 ms	632 KB	Output is correct
85	Correct	128 ms	632 KB	Output is correct
86	Correct	53 ms	608 KB	Output is correct
87	Correct	55 ms	1116 KB	Output is correct
88	Correct	162 ms	2552 KB	Output is correct
89	Correct	553 ms	7928 KB	Output is correct
90	Correct	590 ms	7800 KB	Output is correct
91	Correct	567 ms	8056 KB	Output is correct
92	Execution timed out	2035 ms	5716 KB	Time limit exceeded
93	Halted	0 ms	0 KB	-

답안 #100750

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 9.0 / 9.0

Subtask #3 0 / 84.0

Subtask #1
7.0 / 7.0

Subtask #2
9.0 / 9.0

Subtask #3
0 / 84.0