Submission #1238085

#	Time	Username	Problem	Language	Result	Execution time	Memory
1238085		dosts	Vision Program (IOI19_vision)	C++20	33 / 100	1 ms	960 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
//#define int long long
#define pii pair<int,int>
#define vi vector<int>
#define ff first
#define ss second
#define sp << " " <<
#define all(x) x.begin(),x.end()
#define big(x) ((int)(x.size()))
using namespace std;
const int MOD = 1e9+7, LIM = 1e6+1, inf = 2e9;

void construct_network(int H, int W, int K) {
	auto pixel = [&](int x,int y) {
		return x*W+y;
	};
	int ctr= H*W-1;
	if (W <= H) {
		for (int i = 0;i<H;i++) {
			for (int j = 0;j<W;j++) {
				for (int dx = 0;dx+j < W;dx++) {
					int dy = K-abs(dx);
					if (dy < 0) continue;
					if (dy <= i  && i-dy < H) {
						add_and({pixel(i,j),pixel(i-dy,j+dx)});
						++ctr;
					}
					if (i+dy < H && i+dy >= 0) {
						add_and({pixel(i,j),pixel(i+dy,j+dx)});
						++ctr;
					}
				}
			}
		}
	}
	else {
		for (int i = 0;i<H;i++) {
			for (int j = 0;j<W;j++) {
				for (int dy = 0;dy+i < H;dy++) {
					int dx = K-abs(dy);
					if (dx < 0) continue;
					if (j-dx < W && j-dx >= 0) {
						//(i-dy,j+dx)
						add_and({pixel(i,j),pixel(i+dy,j-dx)});
						++ctr;
					}
					if (dx+j < W && j+dx >= 0) {
						//(i+dy,j+dx)
						add_and({pixel(i,j),pixel(i+dy,j+dx)});
						++ctr;
					}
				}
			}
		}	
	}
	for (int j = H*W;j<=ctr;j++) {
		add_or({j,ctr+(j-H*W)});
	}
}

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