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답안 #59294

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
59294 2018-07-21T12:32:43 Z MatheusLealV 철인 이종 경기 (APIO18_duathlon) C++17
0 / 100
 1000 ms 979212 KB 
#include <bits/stdc++.h>
#define N 100050
using namespace std;
typedef long long ll;

ll n, m, ok[N], ans, sz[N];

vector<int> grafo[N];

void dfs(int x, int p)
{	
	sz[x] = ok[x] = 1;

	ll quadrado = 0, soma = 0;

	for(auto v: grafo[x])
	{
		if(v == p) continue;

		dfs(v, x);

		quadrado += sz[v] * sz[v];

		soma += sz[v];

		sz[x] += sz[v];
	}

	soma += n - sz[x];

	quadrado += (n - sz[x]) * (n - sz[x]);

	ll prod2 = (soma * soma - quadrado);

	ans += prod2;
}

int main()
{
	ios::sync_with_stdio(false); cin.tie(0);

	cin>>n>>m;

	for(int i = 1, a, b; i <= m; i++)
	{
		cin>>a>>b;

		grafo[a].push_back(b);

		grafo[b].push_back(a);
	}

	for(int i = 1; i <= n; i++)
	{
		if(ok[i]) continue;

		dfs(i, i);
	}

	cout<<ans<<"\n";

	//cout<<brute()<<"\n";
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1120 ms 792800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1120 ms 792800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1099 ms 792800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 792800 KB Output is correct
2 Correct 5 ms 792800 KB Output is correct
3 Correct 6 ms 792800 KB Output is correct
4 Correct 6 ms 792800 KB Output is correct
5 Correct 6 ms 792800 KB Output is correct
6 Correct 5 ms 792800 KB Output is correct
7 Correct 5 ms 792800 KB Output is correct
8 Correct 5 ms 792800 KB Output is correct
9 Correct 5 ms 792800 KB Output is correct
10 Incorrect 5 ms 792800 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 93 ms 792800 KB Output is correct
2 Correct 97 ms 792800 KB Output is correct
3 Correct 90 ms 792800 KB Output is correct
4 Correct 121 ms 792800 KB Output is correct
5 Correct 115 ms 792800 KB Output is correct
6 Correct 145 ms 792800 KB Output is correct
7 Correct 152 ms 792800 KB Output is correct
8 Correct 122 ms 792800 KB Output is correct
9 Correct 115 ms 792800 KB Output is correct
10 Incorrect 103 ms 792800 KB Output isn't correct
11 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 792800 KB Output is correct
2 Correct 7 ms 792800 KB Output is correct
3 Execution timed out 1153 ms 979212 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 127 ms 979212 KB Output is correct
2 Correct 126 ms 979212 KB Output is correct
3 Execution timed out 1188 ms 979212 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1120 ms 792800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1120 ms 792800 KB Time limit exceeded
2 Halted 0 ms 0 KB -