Submission #808015

#	Time	Username	Problem	Language	Result	Execution time	Memory
808015		Shithila	Seats (IOI18_seats)	C++14	0 / 100	4065 ms	27700 KiB

seats

#include "seats.h"
#include<bits/stdc++.h>
using namespace std;
std::vector<int> r;
std::vector<int> c;
vector<vector<int> > grid;
int h;
int w;
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
  r = R;
  c = C;
  h = H;
  w = W;
  grid.resize(H,vector<int>(W));
  for(int i=0;i<H*W;i++)
  {
  		grid[r[i]][c[i]]=i;
  	
  }
}

int swap_seats(int a, int b) {
  swap(r[a], r[b]);
  swap(c[a], c[b]);
  grid[r[a]][c[a]]=a;
  grid[r[b]][c[b]]=b;
  int ans=0;
  for(int hi=0;hi<=r[0];hi++)
  {
  	for(int hj=r[0];hj<h;hj++)
  	{
  		for(int ci=0;ci<=c[0];ci++)
  		{
  			for(int cj=c[0];cj<h;cj++)
  			{
  				bool chek=true;
  				for(int i=hi;i<=hj;i++)
  				{
  					for(int j=ci;j<=cj;j++)
  					{
  						if(grid[i][j]>((cj-ci+1)*(hj-hi+1)))
  						{
  							chek=false;
						}
					}
				}
				if(chek==true) ans++;
			}
  		}	
	}
  }
  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