Submission #201285

#	Time	Username	Problem	Language	Result	Execution time	Memory
201285		khulegub	Vision Program (IOI19_vision)	C++14	0 / 100	20 ms	1772 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

	vector<int> counter;

	for (int i = 0; i < 10; i++){
		counter.pb(add_and({zero, 0}));
	}


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

		int adder = proj_y[j];

		for (int i = 0; i < 10; 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 < 10; i++){
			int tmp = counter[i];
			counter[i] = add_xor({counter[i], adder});
			adder = add_and({tmp, adder});
		}
	}
	kk = kk + 2;
	int last = one;
	for (int i = 9; i >= 0; i--){
		int kkbit = (kk % 2) ? (one) : (zero);
		int cmp = add_xor({counter[i], kkbit});
		kk >>= 1;
		cmp = add_not(cmp); //this is saved by switching the k % 2 outcome
		last = add_and({last, cmp});
	}
}

• 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