Submission #316595

#	Time	Username	Problem	Language	Result	Execution time	Memory
316595		amunduzbaev	Vision Program (IOI19_vision)	C++14	44 / 100	24 ms	39452 KiB

vision

//#include "grader.cpp"
#include "vision.h"
#include <bits/stdc++.h>
#define pb(a) push_back(a)
using namespace std;
const int N = 1e7+5;
int d, h, w, used[N], cnt=0;

void fun(int xx,int yy){
	vector<int> v;
	for(int i=0;i<=d;i++){
		int x = xx-i, y = yy-(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w){
			v.pb(x*w+y);
		}
	}

	for(int i=0;i<d;i++){
		int x = xx-i, y = yy+(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w){
			v.pb(x*w+y);
		}
	}

	for(int i=1;i<=d;i++){
		int x = xx+i, y = yy-(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w){
			v.pb(x*w+y);
		}
	}
	for(int i=1;i<d;i++){
		int x = xx+i, y = yy+(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w){
			v.pb(x*w+y);
		}
	}
	if(v.size()){
		add_or(v);
		used[cnt]=xx*w+yy;
		cnt++;
	}
}	

void fun1(int xx,int yy){
	vector<int> v;
	for(int i=0;i<=d;i++){
		int x = xx-i, y = yy-(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
			v.pb(x*w+y);
	}

	for(int i=0;i<d;i++){
		int x = xx-i, y = yy+(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
			v.pb(x*w+y);
	}

	for(int i=1;i<=d;i++){
		int x = xx+i, y = yy-(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
			v.pb(x*w+y);
	}
	for(int i=1;i<d;i++){
		int x = xx+i, y = yy+(d-i);
		if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
			v.pb(x*w+y);
	}
	if(v.size()){
		add_or(v); 
		used[cnt] = xx*w+yy;
		cnt++;
	}
}	
void construct_network(int H, int W, int k) {

	d=k, h=H, w=W;

	if(min(h,w) == 1){
		h=max(h,w);
		int l=0;
		for(int i=0; i+k<h; i++){
			add_and({i,i+k});
			l++;
		}
		vector<int>v;
		for(int i=0;i<l;i++){
			v.pb(i+h);
		}
		add_or(v);
		return;
	}
	else if(max(h,w) <= 30){
		for(int i=0;i<h;i++)
			for(int j=0;j<w;j++) fun(i,j);
		int last = h*w;
		for(int i=0; i<cnt; i++){
			int cur = used[i], cur1 = i+last;
			vector<int> v = {cur, cur1};
			add_and(v);
		}
		vector<int>v;
		for(int j=0; j<cnt; j++){
			int i=last+cnt+j;
			v.pb(i);
		}
		add_or(v);
		return;
	}
	else{
		memset(used, 0, sizeof(used));
		cnt=0;
		for(int i=0;i<h;i++)
			fun1(i, 0);
		for(int i=1;i<w;i++)
			fun1(0, i);

		int last = h*w;
		
		for(int i=0; i<cnt; i++){
			int cur = used[i], cur1 = i+last;
			vector<int> v = {cur, cur1};
			add_and(v);
		}
		vector<int>v;
		for(int j=0; j<cnt; j++){
			int i = last + cnt + j;
			v.pb(i);
		}
		add_or(v);
		return;
	}
}

/*

2 3 3 
0 5
2 3

*/

Compilation message (stderr)

vision.cpp: In function 'void fun1(int, int)':
vision.cpp:48:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   48 |   if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
vision.cpp:54:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   54 |   if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
vision.cpp:60:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   60 |   if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
vision.cpp:65:31: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   65 |   if(x>=0 && x<h &&y>=0 &&y<w && x==0 || y==0)
      |      ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~

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