Submission #332397

#	Time	Username	Problem	Language	Result	Execution time	Memory
332397		pggp	Seats (IOI18_seats)	C++14	0 / 100	4086 ms	40044 KiB

seats

#include <bits/stdc++.h>

using namespace std;

int H, W;
vector < int > R, C;

void give_initial_chart(int H_1, int W_1, vector < int > R_1, vector < int > C_1){
	H = H_1;
	W = W_1;
	R = R_1;
	C = C_1;
}

int swap_seats(int a, int b){
	int r_a, c_a;
	r_a = R[a];
	c_a = C[a];
	R[a] = R[b];
	C[a] = C[b];
	R[b] = r_a;
	C[b] = c_a;

	int ans = 0;
//cout << "A" << endl;


	// teraz obliczamy liczbę prostokątów
	int min_y = R[a];
	int max_y = R[a];
	int min_x = C[a];
	int max_x = C[a];
	for (int i = 1; i < R.size(); ++i)
	{
		if((max_x - min_x + 1) * (max_y - min_y + 1) == i){
			ans++;
		///	cout << "i: " << i << endl;
		}

		max_x = max(max_x, C[i]);
		max_y = max(max_y, R[i]);
		min_x = min(min_x, C[i]);
		min_y= min(min_y, R[i]);
	}
	return ans + 1;
}

Compilation message (stderr)

seats.cpp: In function 'int swap_seats(int, int)':
seats.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |  for (int i = 1; i < R.size(); ++i)
      |                  ~~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 6
• Subtask 3: 0 / 20
• Subtask 4: 0 / 6
• Subtask 5: 0 / 33
• Subtask 6: 0 / 30