Submission #75482

#	Time	Username	Problem	Language	Result	Execution time	Memory
75482		C_SUNSHINE	Seats (IOI18_seats)	C++14	11 / 100	4042 ms	24524 KiB

seats

#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <vector>
#include "seats.h"
using namespace std;
int H,W,NUM;
vector<int> R,C;


void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C)
{
	::H=H;
	::W=W;
	NUM=H*W;
	::R.assign(NUM,0);
	::C.assign(NUM,0);
	for(int i=0;i<NUM;i++)
	{
		::R[i]=R[i];
		::C[i]=C[i];
	}
}

int swap_seats(int a, int b)
{
	swap(R[a],R[b]);
	swap(C[a],C[b]);
	int xl=R[0],xr=R[0];
	int yl=C[0],yr=C[0];
	int cnt=0;
	for(int i=0;i<NUM;i++)
	{
		xl=min(xl,R[i]);
		xr=max(xr,R[i]);
		yl=min(yl,C[i]);
		yr=max(yr,C[i]);
		if((xr-xl+1)*(yr-yl+1)==i+1)
			cnt++;
	}
	return cnt;
}

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