Submission #153457

#	Time	Username	Problem	Language	Result	Execution time	Memory
153457		myungwoo	Vision Program (IOI19_vision)	C++14	0 / 100	9 ms	4796 KiB

vision

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

int H, W, K;
int num[201][201];

void subtask5()
{
	int case1, case2;
	{
		vector <int> col_adj_arr;
		for (int i=1;i<W;i++){
			vector <int> arr;
			for (int y=1;y<=H;y++) for (int x=1;x<=W;x++) if (x != i && x != i+1){
				arr.push_back(num[y][x]);
			}
			int all_zero = add_not(add_or(arr));
			col_adj_arr.push_back(all_zero);
		}
		int col_adj = add_or(col_adj_arr);

		vector <int> only_row_arr;
		for (int i=1;i<=H;i++){
			vector <int> arr;
			for (int y=1;y<=H;y++) for (int x=1;x<=W;x++) if (y != i){
				arr.push_back(num[y][x]);
			}
			int all_zero = add_not(add_or(arr));
			only_row_arr.push_back(all_zero);
		}
		int only_row = add_or(only_row_arr);
		case1 = add_and({col_adj, only_row});
	}
	{
		vector <int> row_adj_arr;
		for (int i=1;i<H;i++){
			vector <int> arr;
			for (int y=1;y<=H;y++) for (int x=1;x<=W;x++) if (y != i && y != i+1){
				arr.push_back(num[y][x]);
			}
			int all_zero = add_not(add_or(arr));
			row_adj_arr.push_back(all_zero);
		}
		int row_adj = add_or(row_adj_arr);

		vector <int> only_col_arr;
		for (int i=1;i<=W;i++){
			vector <int> arr;
			for (int y=1;y<=H;y++) for (int x=1;x<=W;x++) if (x != i){
				arr.push_back(num[y][x]);
			}
			int all_zero = add_not(add_or(arr));
			only_col_arr.push_back(all_zero);
		}
		int only_col = add_or(only_col_arr);
		case2 = add_and({row_adj, only_col});
	}
	add_or({case1, case2});
}

void construct_network(int H, int W, int K)
{
	::H = H; ::W = W; ::K = K;
	int idx = 0;
	for (int i=1;i<=H;i++) for (int j=1;j<=W;j++) num[i][j] = idx++;
	if (K == 1){
		subtask5();
		return;
	}
	// Subtask 1, 2, 3, 5, 6
	vector <int> or_arr;
	for (int i=1;i<=H;i++) for (int j=1;j<=W;j++){
		// For subtask 6
		if (!(H <= 30 && W <= 30 || min(H, W) == 1))
			if (i != 1 || j != 1)
				continue;

		vector <int> diamond;
		for (int dy=-K;dy<=K;dy++){
			for (int sx=-1;sx<2;sx+=2){
				int dx = sx*(K-abs(dy));
				int y = i+dy, x = j+dx;
				if (y < 1 || y > H || x < 1 || x > W) continue;
				diamond.push_back(num[y][x]);
			}
		}
		if (diamond.empty()) continue;
		int x = add_or(diamond);
		or_arr.push_back(add_and({x, num[i][j]}));
	}
	add_or(or_arr);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:75:17: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if (!(H <= 30 && W <= 30 || min(H, W) == 1))
         ~~~~~~~~^~~~~~~~~~

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