Submission #113639

#	Time	Username	Problem	Language	Result	Execution time	Memory
113639		tinjyu	Seats (IOI18_seats)	C++14	11 / 100	4078 ms	48760 KiB

seats

#include "seats.h"
#include <iostream>
using namespace std;
vector<int> r;
long long int x[1000005],y[1000005],n;
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
	n=H*W;
	for(int i=0;i<n;i++)
	{
		x[i]=R[i];
		y[i]=C[i];
	}
}

int swap_seats(int a, int b) {
	swap(x[a],x[b]);
	swap(y[a],y[b]);
	int ans=1;
	long long int lx=x[0],rx=x[0],ly=y[0],ry=y[0];
	for(int i=1;i<n;i++)
	{
		lx=min(x[i],lx);
		rx=max(x[i],rx);
		ly=min(y[i],ly);
		ry=max(y[i],ry);
		//cout<<lx<<" "<<rx<<" "<<ly<<" "<<ry<<endl;
		if((rx-lx+1)*(ry-ly+1)==i+1)ans++;
	}
  return ans;
}

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