#include "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
int n;
vector<int> x, y;
int init(int N, int X[], int Y[]) {
n = N;
for (int i = 0; i < n; i++) {
x.push_back(X[i]);
y.push_back(Y[i]);
}
int ans = 0;
int tot = 1;
for (int i = 0; i < n; i++) {
tot *= x[i];
ans = max(ans, tot * y[i]);
}
return ans;
}
int updateX(int pos, int val) {
x[pos] = val;
int ans = 0;
int tot = 1;
for (int i = 0; i < n; i++) {
tot *= x[i];
ans = max(ans, tot * y[i]);
}
return ans;
}
int updateY(int pos, int val) {
y[pos] = val;
int ans = 0;
int tot = 1;
for (int i = 0; i < n; i++) {
tot *= x[i];
ans = max(ans, tot * y[i]);
}
return ans;
}
