Submission #425174

#	Time	Username	Problem	Language	Result	Execution time	Memory
425174		AugustinasJucas	Vision Program (IOI19_vision)	C++14	52 / 100	37 ms	1864 KiB

vision

#include <bits/stdc++.h>
#include "vision.h"
using namespace std;
vector<pair<int, int> > pss = {{-1, 1}, {-1, -1}, {1, 1}, {1, -1}};
vector<pair<int, int> > dists(int e, int s, int k, int n, int m){

	int pe = 0, ps = 0;
	vector<pair<int, int> > ret;
	vector<pair<int, int> > ans;
	for(auto x : pss){
		for(int i = 0; i <= k; i++){
			pe = e + x.first * i;
			ps = s + x.second * (k-i);
			if(pe < 0 || pe >= n || ps < 0 || ps >= m) continue;
			ret.push_back({pe, ps});
		}
	}
	if(ret.size() == 0) return {};
	sort(ret.begin(), ret.end());
	ans.push_back(ret[0]);
	for(int i = 1; i < (int) ret.size(); i++) if(ret[i] != ret[i-1]) ans.push_back(ret[i]);
	return ans;
}
void construct_network(int n, int m, int k) {
	if(n > 30 && m > 30){
			
		int viso = 0; int prm = 0; 
		for(int i = 0; i < 1; i++){
			for(int j = 0; j < 1; j++){
				//cout << i << ", "  << j << endl;
				auto ms = dists(i, j, k, n, m);
				if(ms.size() == 0) continue;
				vector<int> hsh; for(auto x : ms) hsh.push_back(x.first * m + x.second);
				add_or(hsh);
				//cout << "nuo [" << i << "; " << j << "] nutole per " << k << ": "; for(auto x : ms) cout << "{" << x.first << ", " << x.second << "}, "; 
				//cout << endl;
				viso++;
				prm++;
			} 
		}
		if(prm == 0){
			vector<int> ret;
			for(int i = 0; i < n*m; i++) ret.push_back(i);
			add_and(ret);
			return;
		}
		int curInd = n * m;
		for(int i = 0; i < 1; i++){
			for(int j = 0; j < 1; j++){
				auto ms = dists(i, j, k, n, m);
				if(ms.size() == 0) continue;
				
				vector<int> hsh = {curInd, i *  m + j};
				add_and(hsh);
				curInd++;
				viso++;
			}
		}
		
		int endd = viso;
		vector<int> hsh;
		for(int i = n * m + prm; i < n*m+endd; i++){
			hsh.push_back(i);
		}
		add_or(hsh);
		return;
	}
	
	int viso = 0; int prm = 0; 
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			//cout << i << ", "  << j << endl;
			auto ms = dists(i, j, k, n, m);
			if(ms.size() == 0) continue;
			vector<int> hsh; for(auto x : ms) hsh.push_back(x.first * m + x.second);
			add_or(hsh);
			//cout << "nuo [" << i << "; " << j << "] nutole per " << k << ": "; for(auto x : ms) cout << "{" << x.first << ", " << x.second << "}, "; 
			//cout << endl;
			viso++;
			prm++;
		} 
	}
	if(prm == 0){
		vector<int> ret;
		for(int i = 0; i < n*m; i++) ret.push_back(i);
		add_and(ret);
		return;
	}
	int curInd = n * m;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			auto ms = dists(i, j, k, n, m);
			if(ms.size() == 0) continue;
			
			vector<int> hsh = {curInd, i *  m + j};
			add_and(hsh);
			curInd++;
			viso++;
		}
	}
	
	int endd = viso;
	vector<int> hsh;
	for(int i = n * m + prm; i < n*m+endd; i++){
		hsh.push_back(i);
	}
	add_or(hsh);
}

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