Submission #221303

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
221303	2020-04-09T20:46:00 Z	galca	Vision Program (IOI19_vision)	C++14	Compilation error	0 ms	0 KB

vision

#include <vision.h>
#include <vector>
using namespace std;

void construct_network(int H, int W, int K) {
	vector<int> positions;
	vector<int> positions2;

	positions2.push_back(0);
	positions2.push_back(0);

	for (int i = 0; i < W; i++) {
		positions.push_back(i);
	}
	for (int j = 0; j < H; j++) {
		add_xor(positions);
		for (int i = 0; i < W; i++) {
			positions[i] += W;
		}
	}

	positions.erase(positions.begin(), positions.end());
	for (int i = 0; i < H; i++) {
		positions.push_back(i*W);
	}
	for (int j = 0; j < W; j++) {
		add_xor(positions);
		for (int i = 0; i < H; i++) {
			positions[i] += 1;
		}
	}

	vector<int> positions_final_or;

	// starting from W*H + H + W, put xor of all positions

	positions.erase(positions.begin(), positions.end());
	// last one is always 0
	// indeces from H*W+H+W to H*W+H+W+H
	for (int i = 0; i < H; i++) {
		positions.push_back(W*H + i);
		add_xor(positions);
	}

	positions.erase(positions.begin(), positions.end());
	for (int i = 0; i < W; i++) {
		positions.push_back(W*H + H + i);
		add_xor(positions);
	}

	// we now have H+W bits, which we need to sum and compare to K
	// H+W < 400 => 9 bits are enough for the sum
	
	int pos = H*W + 2 * H + 2 * W;

	// lets create 0 and 1 first
	int zero_pos = W*H + H + W + H - 1;
	
	positions.erase(positions.begin(), positions.end());
	positions.push_back(zero_pos);
	int one_pos = add_not(positions);


	int num_bits = 10;

	// set initial counter to 0
	for (int i = 0; i < 3*num_bits; i++) {
		add_or(positions);
	}
 
	int counter_pos = one_pos + 1;
	for (int i = 0; i < H + W; i++) {
		int carry_pos = zero_pos;
		// adding next elements
		for (int j = 0; j < num_bits; j++) {
			vector<int> res(3);
			res[0] = counter_pos + j * 3;
			res[1] = pos + i;
			res[2] = carry_pos;
			add_xor(res);
			vector<int> carry(2);
			carry[0] = counter_pos + j * 3;
			carry[1] = pos + i;
			carry[0] = add_and(carry);
			carry[1] = carry_pos;
			carry_pos = add_or(carry);
		}
		counter_pos = counter_pos + num_bits * 3;
	}

	// compare counter to K
	vector<int> final_and;
	vector<int> bits(2);
	for (int j = 0; j < num_bits; j++) {
		bits[0] = (K & 1) ? one_pos : zero_pos;
		bits[1] = counter_pos + j * 3;
		final_and.push_back(add_xor(bits));
	}

	vector<int> res;
	res.push_back(add_and(final_and));
	add_not(res);
}

Compilation message

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:61:33: error: cannot convert 'std::vector<int>' to 'int' for argument '1' to 'int add_not(int)'
  int one_pos = add_not(positions);
                                 ^
vision.cpp:102:13: error: cannot convert 'std::vector<int>' to 'int' for argument '1' to 'int add_not(int)'
  add_not(res);
             ^