Submission #831493

#	Time	Username	Problem	Language	Result	Execution time	Memory
831493		caganyanmaz	Seats (IOI18_seats)	C++17	11 / 100	1589 ms	49860 KiB

seats

#include <bits/stdc++.h>
#include "seats.h"
using namespace std;

constexpr static int MXN = 1e4 + 5;
constexpr static int INF = 1e6;
vector<int> r, c;
int mnr[MXN], mxr[MXN], mnc[MXN], mxc[MXN];

int h, w, n;
int counter;

void create_table()
{
	counter = 0;
	mnr[0] = INF;
	mxr[0] = -INF;
	mnc[0] = INF;
	mxr[0] = -INF;
	for (int i = 1; i <= n; i++)
	{
		mnr[i] = min(mnr[i-1], r[i-1]);
		mxr[i] = max(mxr[i-1], r[i-1]+1);
		mnc[i] = min(mnc[i-1], c[i-1]);
		mxc[i] = max(mxc[i-1], c[i-1]+1);
		if ((mxr[i] - mnr[i]) * (mxc[i] - mnc[i]) == i)
			counter++;
	}
}


void give_initial_chart(int H, int W, vector<int> R, vector<int> C) {
	r = R, c = C;
	h = H, w = W;
	n = h*w;

	
}

int swap_seats(int a, int b) {
	swap(r[a], r[b]);
	swap(c[a], c[b]);
	create_table();
	return counter;
}

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