Submission #144275

#	Time	Username	Problem	Language	Result	Execution time	Memory
144275		Minnakhmetov	Seats (IOI18_seats)	C++14	0 / 100	4017 ms	24184 KiB

seats

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

using namespace std;

int n, m;
vector<int> x, y;

void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
	n = H;
	m = W;
	x = R;
	y = C;
}

int swap_seats(int a, int b) {
	swap(x[a], x[b]);
	swap(y[a], y[b]);

	int ans = 0, lx = n, rx = -1, ly = m, ry = -1;;

	for (int i = 0; i < n * m; i++) {
		lx = min(lx, x[i]);
		rx = max(rx, x[i]);
		ly = min(ly, y[i]);
		ry = max(ry, y[i]);
		if (i + 1 == (rx - lx + 1) * (ry - ly + 1)) {
			ans++;
			i += min(rx - lx + 1, ry - ly + 1) - 1;
		}
	}

	return ans;
}

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