Submission #298556

#TimeUsernameProblemLanguageResultExecution timeMemory
298556square1001Vision Program (IOI19_vision)C++14
44 / 100
7 ms1404 KiB
#include "vision.h"
#include <vector>
using namespace std;
void construct_network(int H, int W, int K) {
	if(H == 1 || W == 1) {
		vector<int> elems;
		for(int i = 0; i < H * W - K; ++i) {
			add_and({i, i + K});
			elems.push_back(H * W + i);
		}
		add_or(elems);
	}
	else {
		for(int i = 0; i < H; ++i) {
			vector<int> elems;
			for(int j = 0; j < W; ++j) {
				elems.push_back(i * W + j);
			}
			add_xor(elems);
		}
		for(int i = 0; i < W; ++i) {
			vector<int> elems;
			for(int j = 0; j < H; ++j) {
				elems.push_back(j * W + i);
			}
			add_xor(elems);
		}
		vector<int> ax, ay;
		for(int i = 0; i < H; ++i) {
			for(int j = i + 1; j < H; ++j) {
				add_and({H * W + i, H * W + j});
				ax.push_back(j - i);
			}
		}
		for(int i = 0; i < W; ++i) {
			for(int j = i + 1; j < W; ++j) {
				add_and({H * W + H + i, H * W + H + j});
				ay.push_back(j - i);
			}
		}
		int qs = H * W + H + W + H * (H - 1) / 2 + W * (W - 1) / 2;
		for(int i = 0; i < H; ++i) {
			if(i == 0) {
				vector<int> elems;
				for(int j = 0; j < int(ax.size()); ++j) {
					elems.push_back(H * W + H + W + j);
				}
				add_or(elems);
				add_not(qs);
			}
			else {
				vector<int> elems;
				for(int j = 0; j < int(ax.size()); ++j) {
					if(ax[j] == i) {
						elems.push_back(H * W + H + W + j);
					}
				}
				add_or(elems);
			}
		}
		for(int i = 0; i < W; ++i) {
			if(i == 0) {
				vector<int> elems;
				for(int j = 0; j < int(ay.size()); ++j) {
					elems.push_back(H * W + H + W + H * (H - 1) / 2 + j);
				}
				add_or(elems);
				add_not(qs + (H + 1));
			}
			else {
				vector<int> elems;
				for(int j = 0; j < int(ay.size()); ++j) {
					if(ay[j] == i) {
						elems.push_back(H * W + H + W + H * (H - 1) / 2 + j);
					}
				}
				add_or(elems);
			}
		}
		int cnt = 0;
		for(int i = 0; i < H; ++i) {
			for(int j = 0; j < W; ++j) {
				if(i + j == K) {
					add_and({qs + i + 1, qs + (H + 1) + j + 1});
					++cnt;
				}
			}
		}
		vector<int> felems;
		for(int i = 0; i < cnt; ++i) {
			felems.push_back(qs + (H + 1) + (W + 1) + i);
		}
		add_or(felems);
	}
}
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