Submission #416001

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
416001	2021-06-01T19:38:09 Z	bipartite_matching	Vision Program (IOI19_vision)	C++14	Compilation error	0 ms	0 KB

vision

#include <bits/stdc++.h>

#define forint(i, N) for (int i = 0; i < (N); i++)

using namespace std;

int add_not(int N) ;
int add_and(vector<int> N);
int add_or(vector<int> N);
int add_xor(vector<int> N) {
	int ret = 0;
	forint(i, N.size()) {
		if (v[N[i]] == 1) {
			ret++;
		}
	}
	v.push_back(ret % 2 == 0 ? 0 : 1);
	return ret % 2 == 0 ? 0 : 1;
}

void construct_network(int h, int w, int k) {
	
	vector<int> right;

	int vsize = h * w - 1;

	for (int i = h - 1; i >= 1; i--) {
		int a = i;
		int b = 0;

		vector<int> tmp;

		while (b < w && a < h) {
			tmp.push_back(a * w + b);

			a++;
			b++;
		}


		//cerr << "ja" << endl;

		

		vsize++;
		right.push_back(vsize);
		add_or(tmp);
	}
	
	for (int i = 0; i < w; i++) {
		int a = 0;
		int b = i;

		vector<int> tmp;

		while (b < w && a < h) {
			tmp.push_back(a * w + b);

			a++;
			b++;
		}

		

		vsize++;
		right.push_back(vsize);
		add_or(tmp);
	}

	//cerr << vsize << " right diagonal" << endl;

	//cerr << "ja" << endl;

	vector<int> left;

	for (int i = 0; i < h - 1; i++) {
		int a = i;
		int b = 0;

		vector<int> tmp;

		while (b < w && a >= 0) {
			tmp.push_back(a * w + b);

			a--;
			b++;
		}

		vsize++;
		left.push_back(vsize);
		add_or(tmp);
	}


	for (int i = 0; i < w; i++) {
		int a = h - 1;
		int b = i;

		vector<int> tmp;

		while (b < w && a >= 0) {
			tmp.push_back(a * w + b);

			a--;
			b++;
		}

		vsize++;
		left.push_back(vsize);
		add_or(tmp);
	}

	//cerr << vsize << " left diagonal" << endl;
	//cerr << "ja" << endl;
	vector<int> right_test;
	vector<int> left_test;

	forint(i, right.size() - k) {
		vsize++;
		right_test.push_back(vsize);
		add_and({right[i], right[i + k]});
		vsize++;
		left_test.push_back(vsize);
		add_and({left[i], left[i + k]});
	}
	//cerr << "ja" << endl;
	vector<int> right2;
	vector<int> left2; 

	forint(i, w) {
		vector<int> tmp1;
		vector<int> tmp2;

		for (int j = i; j <= i + k && j < w; j++) {
			tmp1.push_back(right[j]);
			tmp2.push_back(left[j]);
		}
		//cerr << "ja " <<endl;
		vsize += 2;
		add_or(tmp1);

		add_xor(tmp1);

		add_xor({vsize - 1, vsize});

		vsize++;

		right2.push_back(vsize);

		vsize += 2;

		add_or(tmp2);

		add_xor(tmp2);

		add_xor({vsize - 1, vsize});

		vsize++;

		
		left2.push_back(vsize);
	}
	//cerr << "ja" << endl;
	vsize++;
	add_or(right2);

	//cerr << v[vsize] << endl;

	vsize++;
	add_or(left2);

	vsize++;
	add_or(right_test);

	vsize++;
	add_or(left_test);

	//cerr << v[vsize] << endl;

	vsize++;
	add_and({vsize - 4, vsize - 1});
	add_and({vsize - 3, vsize - 2});
	vsize++;

	add_or({vsize - 1, vsize});

	
}

Compilation message

vision.cpp: In function 'int add_xor(std::vector<int>)':
vision.cpp:3:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define forint(i, N) for (int i = 0; i < (N); i++)
      |                                        ^
vision.cpp:12:2: note: in expansion of macro 'forint'
   12 |  forint(i, N.size()) {
      |  ^~~~~~
vision.cpp:13:7: error: 'v' was not declared in this scope
   13 |   if (v[N[i]] == 1) {
      |       ^
vision.cpp:17:2: error: 'v' was not declared in this scope
   17 |  v.push_back(ret % 2 == 0 ? 0 : 1);
      |  ^
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:3:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define forint(i, N) for (int i = 0; i < (N); i++)
      |                                        ^
vision.cpp:118:2: note: in expansion of macro 'forint'
  118 |  forint(i, right.size() - k) {
      |  ^~~~~~