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답안 #59298

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
59298 2018-07-21T12:35:51 Z MatheusLealV 철인 이종 경기 (APIO18_duathlon) C++17
0 / 100
 1000 ms 1049600 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];

int tot;

void fill(int x, int p)
{
	tot ++;

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

		fill(v, x);
	}
}

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 += tot - sz[x];

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

		tot = 0;

		fill(i, i);

		dfs(i, i);
	}

	cout<<ans<<"\n";

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

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1127 ms 1049600 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 1127 ms 1049600 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 1081 ms 1049600 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 1049600 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 83 ms 1049600 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 5 ms 1049600 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 85 ms 1049600 KB Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
2 Halted 0 ms 0 KB -

Subtask #8
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1127 ms 1049600 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 1127 ms 1049600 KB Time limit exceeded
2 Halted 0 ms 0 KB -