Submission #388519

#	Time	Username	Problem	Language	Result	Execution time	Memory
388519		JimmyZJX	Vision Program (IOI19_vision)	C++14	14 / 100	13 ms	1684 KiB

vision

#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <climits>
#include <cassert>
#include <tuple>
#include <queue>
#include <stack>
#include <vector>
#include <map>
#include <set>
#include <string>

using namespace std;

typedef long long LL;
typedef vector<int> Vi;
typedef vector<bool> Vb;
typedef vector<vector<int>> Vii;

#define forR(i, n) for (int i = 0; i < (n); i++)

int add_not(int N);
int add_and(Vi Ns);
int add_or(Vi Ns);
int add_xor(Vi Ns);

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

	// d1[i] x+y == i    d2[i] x+(W-1-y) == i
	Vii d1(H + W - 1), d2(H + W - 1);

	forR(x, H) forR(y, W) {
		int index = x * W + y;

		int i1 = x + y, i2 = x + (W - 1 - y);
		d1[i1].push_back(index); d2[i2].push_back(index);
	}

	Vi d1r, d2r;

	for (auto& d1_line : d1) {
		d1r.push_back(add_xor(d1_line));
	}
	for (auto& d2_line : d2) {
		d2r.push_back(add_xor(d2_line));
	}

	int dd1_eq_1, dd2_eq_1;
	// d1
	{
		Vi rs;
		for (int i = 0; i < d1r.size() - 1; i++) {
			rs.push_back(add_and(Vi{ d1r[i], d1r[i + 1] }));
		}
		dd1_eq_1 = add_or(rs);
	}

	// d2
	{
		Vi rs;
		for (int i = 0; i < d2r.size() - 1; i++) {
			rs.push_back(add_and(Vi{ d2r[i], d2r[i + 1] }));
		}
		dd2_eq_1 = add_or(rs);
	}

	add_and(Vi{ dd1_eq_1,dd2_eq_1 });

	return;
}


#ifdef TEST_LOCAL
int add_not(int N) { return -1; }
int add_and(Vi Ns) { return -1; }
int add_or(Vi Ns) { return -1; }
int add_xor(Vi Ns) { return -1; }

int main() {
	construct_network(200, 200, 1);

	return 0;
}
#endif

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:54:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for (int i = 0; i < d1r.size() - 1; i++) {
      |                   ~~^~~~~~~~~~~~~~~~
vision.cpp:63:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |   for (int i = 0; i < d2r.size() - 1; i++) {
      |                   ~~^~~~~~~~~~~~~~~~

• 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: 14 / 14
• Subtask 8: 0 / 19