Submission #760861

#	Time	Username	Problem	Language	Result	Execution time	Memory
760861		Nonoze	Seats (IOI18_seats)	C++17	11 / 100	4054 ms	40760 KiB

seats

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

vector<int> r;
vector<int> c;
int h, w;

int give_nb() {
	int comp=1;
	int c1=c[0], c2=c[0], r1=r[0], r2=r[0];
	for (int i = 1; i < h*w; ++i)
	{
		c1=min(c1, c[i]);
		c2=max(c2, c[i]);
		r1=min(r1, r[i]);
		r2=max(r2, r[i]);
		if ((c2-c1+1)*(r2-r1+1)==i+1)
		{
			comp++;
		}
	}
	return comp;
}

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

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

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