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답안 #72159

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
72159 2018-08-26T05:37:38 Z KLPP 철인 이종 경기 (APIO18_duathlon) C++14
39 / 100
 226 ms 35544 KB 
#include<iostream>
#include<stdio.h>
#include<vector>
#include<queue>
#include<algorithm>

using namespace std;
typedef long long int lld;
lld DP[1000000];
bool visited[1000000];
vector<int>nei[1000000];
lld ans;
bool visited2[1000000];
void DFS(int node,lld dist){//cout<<node+1<<" "<<dist<<endl;
	visited[node]=true;
	lld sum=0;
	//lld square=0;
	//lld totaldist=0;
	for(int i=0;i<nei[node].size();i++){
		int v=nei[node][i];
		if(!visited[v]){
			DFS(v,dist+1);
			sum+=DP[v];
			//square+=DP[v]*DP[v];
		}
	}
	DP[node]=sum+1;
	//ans+=sum*sum-square;
	//cout<<sum*sum-square<<" "<<node+1<<endl;
	//ans+=dist*(dist-1);
}
void DFS2(int node,lld componentsize){
	visited2[node]=true;
	lld sq=componentsize-DP[node];
	sq*=sq;
	for(int i=0;i<nei[node].size();i++){
		int v=nei[node][i];
		if(!visited2[v]){
			DFS2(v,componentsize);
			sq+=DP[v]*DP[v];
		}		
	}
	ans+=(componentsize-1)*(componentsize-1)-sq;
	//cout<<(componentsize-1)*(componentsize-1)-sq<<" "<<node+1<<endl;
}
int main(){
	int n,m;
	cin>>n>>m;
	int edges[m][2];
	for(int i=0;i<m;i++){
		int x,y;
		cin>>x>>y;
		x--;y--;
		edges[i][0]=x;
		edges[i][1]=y;
		nei[x].push_back(y);
		nei[y].push_back(x);
	}
	//for(int i=0;i<m;i++)cout<<edges[i][0]<<" "<<edges[i][1]<<endl;
	if(n>50){
	ans=0;
	for(int i=0;i<n;i++){
		DP[i]=-1;
		visited[i]=false;
		visited2[i]=false;
	}
	for(int i=0;i<n;i++){
		if(!visited[i]){
			DFS(i,0);
			DFS2(i,DP[i]);
		}
	}//for(int i=0;i<n;i++)cout<<DP[i]<<" "<<i+1<<endl;
	cout<<ans<<endl;
	return 0;
	}
	int component[n][n];
	vector<int>graph[n];
	for(int node=0;node<n;node++){
		for(int j=0;j<m;j++){
			if(edges[j][0]!=node && edges[j][1]!=node){//cout<<edges[j][0]<<" "<<edges[j][1]<<" "<<j<<endl;
				graph[edges[j][0]].push_back(edges[j][1]);
				graph[edges[j][1]].push_back(edges[j][0]);
				//cout<<edges[j][0]<<" "<<edges[j][1]<<" "<<j<<endl;
			}
		}
		int color=0;
		for(int i=0;i<n;i++)component[node][i]=-1;
		for(int i=0;i<n;i++){
			if(component[node][i]==-1){
				component[node][i]=color;
				queue<int>q;
				q.push(i);
				while(!q.empty()){
					int u=q.front();q.pop();
					//cout<<u<<" ";
					for(int j=0;j<graph[u].size();j++){
						int v=graph[u][j];
						if(component[node][v]==-1){
							component[node][v]=color;
							q.push(v);
						}
					}
				}
				color++;//cout<<endl;
			}
		}
		for(int i=0;i<n;i++)graph[i].clear();
	}
	int cnt=0;
	for(int s=0;s<n;s++){
		for(int f=0;f<n;f++){
			for(int c=0;c<n;c++){
				if(s!=c && s!=f && f!=c){
					bool b=true;
					for(int i=0;i<n;i++){
						if(i!=c){
						if(component[i][c]!=component[i][s] && component[i][c]!=component[i][f]){
							b=false;
						}
						}
					}cnt+=b;
				}
			}
		}
	}
	cout<<cnt<<endl;
	
	return 0;	
}

Compilation message

count_triplets.cpp: In function 'void DFS(int, lld)':
count_triplets.cpp:19:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<nei[node].size();i++){
              ~^~~~~~~~~~~~~~~~~
count_triplets.cpp: In function 'void DFS2(int, lld)':
count_triplets.cpp:36:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<nei[node].size();i++){
              ~^~~~~~~~~~~~~~~~~
count_triplets.cpp: In function 'int main()':
count_triplets.cpp:96:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      for(int j=0;j<graph[u].size();j++){
                  ~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 22 ms 23908 KB Output is correct
3 Correct 27 ms 23968 KB Output is correct
4 Correct 27 ms 24024 KB Output is correct
5 Correct 28 ms 24128 KB Output is correct
6 Correct 26 ms 24128 KB Output is correct
7 Correct 24 ms 24128 KB Output is correct
8 Correct 26 ms 24144 KB Output is correct
9 Correct 24 ms 24176 KB Output is correct
10 Correct 24 ms 24176 KB Output is correct
11 Correct 24 ms 24176 KB Output is correct
12 Correct 24 ms 24236 KB Output is correct
13 Correct 24 ms 24236 KB Output is correct
14 Correct 26 ms 24280 KB Output is correct
15 Correct 23 ms 24280 KB Output is correct
16 Correct 23 ms 24280 KB Output is correct
17 Correct 24 ms 24280 KB Output is correct
18 Correct 22 ms 24280 KB Output is correct
19 Correct 22 ms 24280 KB Output is correct
20 Correct 24 ms 24280 KB Output is correct
21 Correct 24 ms 24280 KB Output is correct
22 Correct 28 ms 24280 KB Output is correct
23 Correct 23 ms 24280 KB Output is correct
24 Correct 27 ms 24280 KB Output is correct
25 Correct 23 ms 24280 KB Output is correct
26 Correct 24 ms 24280 KB Output is correct
27 Correct 24 ms 24280 KB Output is correct
28 Correct 25 ms 24304 KB Output is correct
29 Correct 27 ms 24304 KB Output is correct
30 Correct 23 ms 24304 KB Output is correct
31 Correct 26 ms 24304 KB Output is correct
32 Correct 24 ms 24304 KB Output is correct
33 Correct 26 ms 24304 KB Output is correct
34 Correct 27 ms 24304 KB Output is correct
35 Correct 25 ms 24304 KB Output is correct

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 22 ms 23908 KB Output is correct
3 Correct 27 ms 23968 KB Output is correct
4 Correct 27 ms 24024 KB Output is correct
5 Correct 28 ms 24128 KB Output is correct
6 Correct 26 ms 24128 KB Output is correct
7 Correct 24 ms 24128 KB Output is correct
8 Correct 26 ms 24144 KB Output is correct
9 Correct 24 ms 24176 KB Output is correct
10 Correct 24 ms 24176 KB Output is correct
11 Correct 24 ms 24176 KB Output is correct
12 Correct 24 ms 24236 KB Output is correct
13 Correct 24 ms 24236 KB Output is correct
14 Correct 26 ms 24280 KB Output is correct
15 Correct 23 ms 24280 KB Output is correct
16 Correct 23 ms 24280 KB Output is correct
17 Correct 24 ms 24280 KB Output is correct
18 Correct 22 ms 24280 KB Output is correct
19 Correct 22 ms 24280 KB Output is correct
20 Correct 24 ms 24280 KB Output is correct
21 Correct 24 ms 24280 KB Output is correct
22 Correct 28 ms 24280 KB Output is correct
23 Correct 23 ms 24280 KB Output is correct
24 Correct 27 ms 24280 KB Output is correct
25 Correct 23 ms 24280 KB Output is correct
26 Correct 24 ms 24280 KB Output is correct
27 Correct 24 ms 24280 KB Output is correct
28 Correct 25 ms 24304 KB Output is correct
29 Correct 27 ms 24304 KB Output is correct
30 Correct 23 ms 24304 KB Output is correct
31 Correct 26 ms 24304 KB Output is correct
32 Correct 24 ms 24304 KB Output is correct
33 Correct 26 ms 24304 KB Output is correct
34 Correct 27 ms 24304 KB Output is correct
35 Correct 25 ms 24304 KB Output is correct
36 Correct 44 ms 24400 KB Output is correct
37 Correct 36 ms 24400 KB Output is correct
38 Correct 38 ms 24400 KB Output is correct
39 Correct 38 ms 24400 KB Output is correct
40 Correct 34 ms 24400 KB Output is correct
41 Correct 36 ms 24400 KB Output is correct
42 Correct 35 ms 24400 KB Output is correct
43 Correct 36 ms 24400 KB Output is correct
44 Correct 36 ms 24404 KB Output is correct
45 Correct 43 ms 24456 KB Output is correct
46 Correct 39 ms 24456 KB Output is correct
47 Correct 23 ms 24456 KB Output is correct
48 Correct 38 ms 24456 KB Output is correct
49 Correct 39 ms 24456 KB Output is correct
50 Correct 37 ms 24456 KB Output is correct
51 Correct 39 ms 24456 KB Output is correct
52 Correct 41 ms 24456 KB Output is correct
53 Correct 39 ms 24488 KB Output is correct
54 Correct 40 ms 24488 KB Output is correct
55 Correct 39 ms 24568 KB Output is correct
56 Correct 42 ms 24568 KB Output is correct
57 Correct 34 ms 24568 KB Output is correct
58 Correct 39 ms 24568 KB Output is correct
59 Correct 36 ms 24568 KB Output is correct
60 Correct 37 ms 24568 KB Output is correct
61 Correct 39 ms 24572 KB Output is correct
62 Correct 41 ms 24572 KB Output is correct
63 Correct 36 ms 24572 KB Output is correct
64 Correct 41 ms 24572 KB Output is correct
65 Correct 38 ms 24572 KB Output is correct

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 184 ms 35544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 25 ms 35544 KB Output is correct
2 Correct 24 ms 35544 KB Output is correct
3 Correct 25 ms 35544 KB Output is correct
4 Correct 26 ms 35544 KB Output is correct
5 Correct 26 ms 35544 KB Output is correct
6 Correct 24 ms 35544 KB Output is correct
7 Correct 28 ms 35544 KB Output is correct
8 Correct 27 ms 35544 KB Output is correct
9 Correct 26 ms 35544 KB Output is correct
10 Correct 26 ms 35544 KB Output is correct
11 Correct 24 ms 35544 KB Output is correct
12 Correct 24 ms 35544 KB Output is correct
13 Correct 28 ms 35544 KB Output is correct
14 Correct 25 ms 35544 KB Output is correct
15 Correct 25 ms 35544 KB Output is correct
16 Correct 26 ms 35544 KB Output is correct
17 Correct 28 ms 35544 KB Output is correct
18 Correct 25 ms 35544 KB Output is correct
19 Correct 28 ms 35544 KB Output is correct
20 Correct 25 ms 35544 KB Output is correct

Subtask #5
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 175 ms 35544 KB Output is correct
2 Correct 182 ms 35544 KB Output is correct
3 Correct 202 ms 35544 KB Output is correct
4 Correct 178 ms 35544 KB Output is correct
5 Correct 168 ms 35544 KB Output is correct
6 Correct 224 ms 35544 KB Output is correct
7 Correct 186 ms 35544 KB Output is correct
8 Correct 214 ms 35544 KB Output is correct
9 Correct 200 ms 35544 KB Output is correct
10 Correct 173 ms 35544 KB Output is correct
11 Correct 158 ms 35544 KB Output is correct
12 Correct 185 ms 35544 KB Output is correct
13 Correct 166 ms 35544 KB Output is correct
14 Correct 146 ms 35544 KB Output is correct
15 Correct 149 ms 35544 KB Output is correct
16 Correct 131 ms 35544 KB Output is correct
17 Correct 148 ms 35544 KB Output is correct
18 Correct 165 ms 35544 KB Output is correct
19 Correct 133 ms 35544 KB Output is correct
20 Correct 124 ms 35544 KB Output is correct

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 35544 KB Output is correct
2 Correct 22 ms 35544 KB Output is correct
3 Incorrect 23 ms 35544 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 165 ms 35544 KB Output is correct
2 Correct 167 ms 35544 KB Output is correct
3 Incorrect 226 ms 35544 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 22 ms 23908 KB Output is correct
3 Correct 27 ms 23968 KB Output is correct
4 Correct 27 ms 24024 KB Output is correct
5 Correct 28 ms 24128 KB Output is correct
6 Correct 26 ms 24128 KB Output is correct
7 Correct 24 ms 24128 KB Output is correct
8 Correct 26 ms 24144 KB Output is correct
9 Correct 24 ms 24176 KB Output is correct
10 Correct 24 ms 24176 KB Output is correct
11 Correct 24 ms 24176 KB Output is correct
12 Correct 24 ms 24236 KB Output is correct
13 Correct 24 ms 24236 KB Output is correct
14 Correct 26 ms 24280 KB Output is correct
15 Correct 23 ms 24280 KB Output is correct
16 Correct 23 ms 24280 KB Output is correct
17 Correct 24 ms 24280 KB Output is correct
18 Correct 22 ms 24280 KB Output is correct
19 Correct 22 ms 24280 KB Output is correct
20 Correct 24 ms 24280 KB Output is correct
21 Correct 24 ms 24280 KB Output is correct
22 Correct 28 ms 24280 KB Output is correct
23 Correct 23 ms 24280 KB Output is correct
24 Correct 27 ms 24280 KB Output is correct
25 Correct 23 ms 24280 KB Output is correct
26 Correct 24 ms 24280 KB Output is correct
27 Correct 24 ms 24280 KB Output is correct
28 Correct 25 ms 24304 KB Output is correct
29 Correct 27 ms 24304 KB Output is correct
30 Correct 23 ms 24304 KB Output is correct
31 Correct 26 ms 24304 KB Output is correct
32 Correct 24 ms 24304 KB Output is correct
33 Correct 26 ms 24304 KB Output is correct
34 Correct 27 ms 24304 KB Output is correct
35 Correct 25 ms 24304 KB Output is correct
36 Correct 44 ms 24400 KB Output is correct
37 Correct 36 ms 24400 KB Output is correct
38 Correct 38 ms 24400 KB Output is correct
39 Correct 38 ms 24400 KB Output is correct
40 Correct 34 ms 24400 KB Output is correct
41 Correct 36 ms 24400 KB Output is correct
42 Correct 35 ms 24400 KB Output is correct
43 Correct 36 ms 24400 KB Output is correct
44 Correct 36 ms 24404 KB Output is correct
45 Correct 43 ms 24456 KB Output is correct
46 Correct 39 ms 24456 KB Output is correct
47 Correct 23 ms 24456 KB Output is correct
48 Correct 38 ms 24456 KB Output is correct
49 Correct 39 ms 24456 KB Output is correct
50 Correct 37 ms 24456 KB Output is correct
51 Correct 39 ms 24456 KB Output is correct
52 Correct 41 ms 24456 KB Output is correct
53 Correct 39 ms 24488 KB Output is correct
54 Correct 40 ms 24488 KB Output is correct
55 Correct 39 ms 24568 KB Output is correct
56 Correct 42 ms 24568 KB Output is correct
57 Correct 34 ms 24568 KB Output is correct
58 Correct 39 ms 24568 KB Output is correct
59 Correct 36 ms 24568 KB Output is correct
60 Correct 37 ms 24568 KB Output is correct
61 Correct 39 ms 24572 KB Output is correct
62 Correct 41 ms 24572 KB Output is correct
63 Correct 36 ms 24572 KB Output is correct
64 Correct 41 ms 24572 KB Output is correct
65 Correct 38 ms 24572 KB Output is correct
66 Correct 23 ms 35544 KB Output is correct
67 Correct 23 ms 35544 KB Output is correct
68 Incorrect 24 ms 35544 KB Output isn't correct
69 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 23800 KB Output is correct
2 Correct 22 ms 23908 KB Output is correct
3 Correct 27 ms 23968 KB Output is correct
4 Correct 27 ms 24024 KB Output is correct
5 Correct 28 ms 24128 KB Output is correct
6 Correct 26 ms 24128 KB Output is correct
7 Correct 24 ms 24128 KB Output is correct
8 Correct 26 ms 24144 KB Output is correct
9 Correct 24 ms 24176 KB Output is correct
10 Correct 24 ms 24176 KB Output is correct
11 Correct 24 ms 24176 KB Output is correct
12 Correct 24 ms 24236 KB Output is correct
13 Correct 24 ms 24236 KB Output is correct
14 Correct 26 ms 24280 KB Output is correct
15 Correct 23 ms 24280 KB Output is correct
16 Correct 23 ms 24280 KB Output is correct
17 Correct 24 ms 24280 KB Output is correct
18 Correct 22 ms 24280 KB Output is correct
19 Correct 22 ms 24280 KB Output is correct
20 Correct 24 ms 24280 KB Output is correct
21 Correct 24 ms 24280 KB Output is correct
22 Correct 28 ms 24280 KB Output is correct
23 Correct 23 ms 24280 KB Output is correct
24 Correct 27 ms 24280 KB Output is correct
25 Correct 23 ms 24280 KB Output is correct
26 Correct 24 ms 24280 KB Output is correct
27 Correct 24 ms 24280 KB Output is correct
28 Correct 25 ms 24304 KB Output is correct
29 Correct 27 ms 24304 KB Output is correct
30 Correct 23 ms 24304 KB Output is correct
31 Correct 26 ms 24304 KB Output is correct
32 Correct 24 ms 24304 KB Output is correct
33 Correct 26 ms 24304 KB Output is correct
34 Correct 27 ms 24304 KB Output is correct
35 Correct 25 ms 24304 KB Output is correct
36 Correct 44 ms 24400 KB Output is correct
37 Correct 36 ms 24400 KB Output is correct
38 Correct 38 ms 24400 KB Output is correct
39 Correct 38 ms 24400 KB Output is correct
40 Correct 34 ms 24400 KB Output is correct
41 Correct 36 ms 24400 KB Output is correct
42 Correct 35 ms 24400 KB Output is correct
43 Correct 36 ms 24400 KB Output is correct
44 Correct 36 ms 24404 KB Output is correct
45 Correct 43 ms 24456 KB Output is correct
46 Correct 39 ms 24456 KB Output is correct
47 Correct 23 ms 24456 KB Output is correct
48 Correct 38 ms 24456 KB Output is correct
49 Correct 39 ms 24456 KB Output is correct
50 Correct 37 ms 24456 KB Output is correct
51 Correct 39 ms 24456 KB Output is correct
52 Correct 41 ms 24456 KB Output is correct
53 Correct 39 ms 24488 KB Output is correct
54 Correct 40 ms 24488 KB Output is correct
55 Correct 39 ms 24568 KB Output is correct
56 Correct 42 ms 24568 KB Output is correct
57 Correct 34 ms 24568 KB Output is correct
58 Correct 39 ms 24568 KB Output is correct
59 Correct 36 ms 24568 KB Output is correct
60 Correct 37 ms 24568 KB Output is correct
61 Correct 39 ms 24572 KB Output is correct
62 Correct 41 ms 24572 KB Output is correct
63 Correct 36 ms 24572 KB Output is correct
64 Correct 41 ms 24572 KB Output is correct
65 Correct 38 ms 24572 KB Output is correct
66 Incorrect 184 ms 35544 KB Output isn't correct
67 Halted 0 ms 0 KB -