Submission #24642

#	Time	Username	Problem	Language	Result	Execution time	Memory
24642		bill_kondo	ICC (CEOI16_icc)	C++14	18 / 100	389 ms	2096 KiB

icc

#include "icc.h"
#include <bits/stdc++.h>
using namespace std;
 
typedef pair <int, int> pii;
 
const int maxn = 1e2 + 10;
 
int n;
set <pii> e;
 
int c[maxn];
int d[maxn];
 
void acha ()
{
	for (int a = 1; a <= n; ++a)
		for (int b = a + 1; b <= n; ++b)
			if (e.find (pii (a, b)) == e.end())
			{
				c[0] = {a};
				d[0] = {b};
 
				if (query (1, 1, c, d))
				{
					e.insert (pii (a, b));
					setRoad (a, b);
					return;
				}
			}
}
 
int pointer;
vector <int> adj[maxn];
bool mrk[maxn];
 
int node, E[maxn], p;
 
void combina (int l, int r)
{
	if (l == r)
	{
		node = d[l];
		return;
	}
 
	int mid = (l + r) >> 1;
 
	p = 0;
 
	for (int i = l; i <= mid; ++i)
		E[p++] = d[i];
 
	if (query (1, p, c, E))
		combina (l, mid);
	else
		combina (mid + 1, r);
}
 
void dfs (int v)
{
	mrk[v] = true;
 
	for (auto u: adj[v])
		if (!mrk[u])
			dfs (u);
}
 
void aresta ()
{	
	for (int v = 1; v <= n; ++v)
	{
		c[0] = v;
	
		for (int u = 1; u <= n; ++u)
			mrk[u] = false;
 
		dfs (v);
 
		pointer = 0;
		for (int u = 1; u <= n; ++u)
			if (!mrk[u])
				d[pointer++] = u;
 
		if (query (1, pointer, c, d))
		{
			combina (0, pointer - 1);
			adj[v].push_back (node);
			adj[node].push_back (v);
			setRoad (v, node);
			return;
		}
	}
}
 
int pA, A[maxn];
int pB, B[maxn];
int pC, C[maxn];
 
int I, J;
 
void combineA (int l, int r)
{
	if (l == r)
	{
		J = l;
		return;
	}
 
	int mid = (l + r) >> 1;
 
	pC = 0;
	for (int i = l; i <= mid; ++i)
		C[pC++] = B[i];
 
	if (query (pA, pC, A, C))
		combineA (l, mid);
	else
		combineA (mid + 1, r);
}
 
void combineB (int l, int r)
{
	if (l == r)
	{
		I = l;
		return;
	}
 
	int mid = (l + r) >> 1;
 
	pC = 0;
	for (int i = l; i <= mid; ++i)
		C[pC++] = A[i];
 
	if (query (pC, pB, C, B))
		combineB (l, mid);
	else
		combineB (mid + 1, r);
}
 
void solve ()
{
	for (int v = 1; v <= n; ++v)
	{
		for (int u = 1; u <= n; ++u)
			mrk[u] = false;
 
		dfs (v);
 
		pA = 0;
		for (int u = 1; u <= n; ++u)
			if (mrk[u])
				A[pA++] = u;
 
		pB = 0;
		for (int u = 1; u <= n; ++u)
			if (!mrk[u])
				B[pB++] = u;
 
		if (query (pA, pB, A, B))
		{
			combineA (0, pB - 1);
			combineB (0, pA - 1);
 
			int U = A[I];
			int V = B[J];
 
			setRoad (U, V);
 
			adj[U].push_back (V);
			adj[V].push_back (U);
 
			return;
		}
	}
}
 
void run (int N)
{
	n = N;
 
	for (int i = 1; i <= n - 1; ++i)
	{
		if (N <= 15) acha ();
		else if (N <= 50) aresta ();
		else if (N <= 100) solve ();
	}
}

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 21
• Subtask 5: 0 / 29
• Subtask 6: 0 / 10