#include "robots.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define REP(i,j,k) for(int i = j ; i < k ; ++i)
#define RREP(i,j,k) for(int i = j ; i >=k ; --i)
#define A first
#define B second
#define mp make_pair
#define pb emplace_back
#define PII pair<int , int>
#define MEM(i,j) memset(i , j , sizeof i)
#define ALL(i) i.begin() , i.end()
#define DBGG(i,j) cout << i << " " << j << endl
#define DB4(i,j,k,l) cout << i << " " << j << " " << k << " " << l << endl
#define IOS cin.tie(0) , cout.sync_with_stdio(0)
#define endl "\n"
///------------------------------------------------------------
#define MAX 1010
#define INF 0x3f3f3f3f
int sum[MAX][MAX];
int putaway(int a, int b, int n, int x[], int y[], int w[], int s[]) {
sort(x , x + a) , a[x] = 2123456789;
sort(y , y + b) , b[y] = 2123456789;
REP(i , 0 , n){
if(x[a - 1] <= w[i] && y[b - 1] <= s[i]) return -1;
else {
int v1 = upper_bound(x , x + a + 1 , w[i]) - x;
int v2 = upper_bound(y , y + b + 1 , s[i]) - y;
sum[a - v1][b - v2] ++;
}
}
// REP(i , 1 , a + 2){
// REP(j , 1 , b + 2) cout << sum[i][j] << " "; cout << endl;
// }
// cout << "----------" << endl;
// REP(i , 1 , a + 2){
// REP(j , 1 , b + 2) cout << (i + j) * 2 << " "; cout << endl;
// }
// REP(i , 1 , a + 2) REP(j , 1 , b + 2) sum[i][j] += sum[i - 1][j];
// REP(i , 1 , a + 2) REP(j , 1 , b + 2) sum[i][j] += sum[i][j - 1];
REP(i , 0 , a + 1) REP(j , 0 , b + 1){
if(i - 1 >= 0) sum[i][j] += sum[i - 1][j];
if(j - 1 >= 0) sum[i][j] += sum[i][j - 1];
if(i - 1 >= 0 && j - 1 >= 0) sum[i][j] -= sum[i - 1][j - 1];
}
int ans = n;
RREP(base , 20 , 0){
int to = ans - (1 << base);
if(to >= 1){
int ok = 1;
REP(i , 0 , a + 1) REP(j , 0 , b + 1){
if((i + j) * to < sum[i][j]){
ok = 0;
break;
}
}
if(ok == 1) ans = to;
}
}
return ans;
}
