#include <bits/stdc++.h>
#include "horses.h"
using namespace std;
int n;
int x[501010], y[501010];
int init(int N, int X[], int Y[]) {
n = N;
for (int i = 0; i < n; i++) {
x[i] = X[i];
y[i] = Y[i];
}
int ans = 0, cnt = 1;
for (int i = 0; i < n; i++) {
cnt *= X[i];
ans = max(ans, Y[i] * cnt);
}
return ans;
}
int updateX(int pos, int val) {
x[pos] = val;
int ans = 0, cnt = 1;
for (int i = 0; i < n; i++) {
cnt *= x[i];
ans = max(ans, y[i] * cnt);
}
return ans;
}
int updateY(int pos, int val) {
y[pos] = val;
int ans = 0, cnt = 1;
for (int i = 0; i < n; i++) {
cnt *= x[i];
ans = max(ans, y[i] * cnt);
}
return ans;
}
