#include "robots.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int a, b, t;
vector<pii> v;
set<pii> x, y;
int cntx[50009], cnty[50009];
int check(int val){
for(auto u : v){
auto i1 = y.lower_bound(mp(u.ss, 1e9));
if(i1 != y.end()){
++cnty[i1->ss];
if(cnty[i1->ss] >= val)
y.erase(i1);
continue;
}
auto i2 = x.lower_bound(mp(u.ff, 1e9));
if(i2 == x.end())
return 0;
++cntx[i2->ss];
if(cntx[i2->ss] >= val)
x.erase(i2);
continue;
}
return 1;
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
a = A;
b = B;
t = T;
for(int i = 0; i < t; ++i){
v.pb({W[i], S[i]});
}
sort(all(v), greater<pii>());
int l = 1, r = t+1;
while(l < r){
x.clear();
y.clear();
for(int i = 0; i < a; ++i){
cntx[i] = 0;
x.insert({X[i], i});
}
for(int i = 0; i < b; ++i){
cnty[i] = 0;
y.insert({Y[i], i});
}
int m = (l+r)/2;
int st = check(m);
if(st){
r = m;
}
else
l = m+1;
}
if(l == t+1){
return -1;
}
return l;
}
