제출 #201291

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
201291		khulegub	Vision Program (IOI19_vision)	C++14	0 / 100	18 ms	1776 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>

#define pb push_back
#define mp make_pair
#define rr first
#define cc second

using namespace std;

typedef pair<int, int> pii;

int hh, ww, kk;

pii to_pair(int x){
	return mp(x / ww, x % ww);
}
int to_linear(pii x){
	return x.rr * ww + x.cc; 
}

void construct_network(int H, int W, int K) {

	// proj y
	hh = H, ww = W, kk = K;

	int one = add_or( {0, 1} ), zero = add_not(one);

	vector<int> proj_y;

	for (int i = 0; i < ww; i++){
		vector<int> send;
		for (int j = 0; j < hh; j++){
			send.pb(to_linear(mp(i, j)));
		}
		proj_y.pb(add_xor(send));
	}

	vector<int> proj_x;

	for (int i = 0; i < hh; i++){
		vector<int> send;
		for (int j = 0; j < ww; j++){
			send.pb(to_linear(mp(j, i)));
		}
		proj_x.pb(add_xor(send));
	}


	// // max val = h + w
	// // log_2 (400) + 1 = 9

	int bitlen = 10;

	vector<int> counter;

	for (int i = 0; i < bitlen; i++){
		counter.pb(add_and({zero, 0}));
	}


	for (int j = 0; j < ww; j++){
		

		int adder = proj_y[j];

		for (int i = 0; i < bitlen; i++){
			int tmp = counter[i];
			counter[i] = add_xor({counter[i], adder});
			adder = add_and({tmp, adder});
		}

	}
	for (int j = 0; j < hh; j++){
		

		int adder = proj_x[j];

		for (int i = 0; i < bitlen; i++){
			int tmp = counter[i];
			counter[i] = add_xor({counter[i], adder});
			adder = add_and({tmp, adder});
		}
	}

	kk = kk + 2;
	int last = one;
	vector<int> kkbits;

	for (int i = 0; i < bitlen; i++){
		kkbits.pb((kk & 1) ? (one) : (zero));
		kk >>= 1;
	}

	int surpass = zero;
	for (int i = bitlen - 1; i >= 0; i--){
		int cmp = add_xor({counter[i], kkbits[i]});
		cmp = add_not(cmp); //this is saved by switching the k % 2 outcome
		cmp = add_or({cmp, counter[i]});
		surpass = add_or({surpass, cmp});
		last = add_and({last, surpass});
	}
}

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