Submission #716852

#	Time	Username	Problem	Language	Result	Execution time	Memory
716852		Nonoze	Vision Program (IOI19_vision)	C++14	8 / 100	1 ms	212 KiB

vision

#include "vision.h"

#include <bits/stdc++.h>
using namespace std;

void construct_network(int H, int W, int K) {
	vector<int> Ns;
	int empl=H*W-1;
	if (H>30 || W>30)
	{
		int i=0, j=0;
		vector<int> possibles;
		int act=i*W+j;
		for (int k = 0; k < H; ++k)
		{
			for (int l = 0; l < W; ++l)
			{
				if (abs(k-i)+abs(l-j)==K && k*W+l>=act)
				{
					possibles.push_back(k*W+l);
				}
			}
		}
		if (!possibles.size()) {
			return;
		}
		if (possibles.size()==1)
		{
			add_and({possibles[0], i*W+j});
			empl++;
		}
		else
		{
			add_xor(possibles);
			empl++;
			add_and({empl, i*W+j});
			empl++;
		}
		return;
	}
	if (K==1)
	{
		int l=0, r=H*W-1;
		while(l<r) {
			int mid=(l+r)/2;
			vector<int> temp;
			for (int i = l; i <= mid; ++i)
			{
				temp.push_back(i);
			}
			if (add_or(temp)) {
				r=mid;
			} else {
				l=mid+1;
			}
		}
		int act=l;
		vector<int> solution;
		int gd=act%W;
		if (act-W>=0) solution.push_back(act-W);
		if (act+W<=H*W-1) solution.push_back(act+W);
		if (gd-1>=0) solution.push_back(act-1);
		if (gd+1<=W) solution.push_back(act+1);
		add_or(solution);
		return;
	}

	for (int i = 0; i < H; ++i)
	{
		for (int j = 0; j < W; ++j)
		{
			vector<int> possibles;
			int act=i*W+j;
			for (int k = 0; k < H; ++k)
			{
				for (int l = 0; l < W; ++l)
				{
					if (abs(k-i)+abs(l-j)==K && k*W+l>=act)
					{
						possibles.push_back(k*W+l);
					}
				}
			}
			if (!possibles.size()) continue;
			if (possibles.size()==1)
			{
				add_and({possibles[0], i*W+j});
				empl++;
			}
			else
			{
				add_xor(possibles);
				empl++;
				add_and({empl, i*W+j});
				empl++;
			}
			Ns.push_back(empl);
		}
	}
	add_or(Ns);
	return;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 8 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19