Submission #579140

#	Time	Username	Problem	Language	Result	Execution time	Memory
579140		Vanilla	Vision Program (IOI19_vision)	C++17	100 / 100	15 ms	1744 KiB

vision

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

void construct_network(int H, int W, int K) {
	int op = 0;
	vector <int> row, col;
	vector <int> bits;
	vector <int> v;
	for (int i = 0; i < H; i++){
		for (int j = 0; j < W; j++){
			v.push_back(i * W + j);
		}
		bits.push_back(add_xor(v));
		v = {bits.back()};
	}
	for (int j = 0; j < W; j++){
		for (int i = 0; i < H; i++){
			v.push_back(i * W + j);
		}
		bits.push_back(add_xor(v));
		v = {bits.back()};
	}
	int last = bits.back();
	vector <int> rs;
	for (int i = 0; i < 9; i++){
		rs.push_back(add_xor(bits));
		if (K & (1 << i))
			rs[i] = add_not(rs[i]);
		vector <int> hl;
		int now = last;
		for (int i: bits) {
			hl.push_back(add_and({now, i}));
			now = add_xor({now, i});
		}
		bits = hl;
	}
	add_not(add_or(rs));
	
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:6:6: warning: unused variable 'op' [-Wunused-variable]
    6 |  int op = 0;
      |      ^~

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