#include "prize.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
vector<int> asked[200000];
vector<int> Ask(int i){
if(asked[i].empty()) asked[i] = ask(i);
return asked[i];
}
int find_best(int n){
int p = 0;
int mx = 0;
for(int i = 0; i < min(n, 480); i++){
auto v = Ask(i);
mx = max(mx, v[0]+v[1]);
}
while(1){
auto cur = Ask(p);
if(cur[0]+cur[1] == 0) return p;
if(cur[0]+cur[1] != mx){
p++;
continue;
}
int a = p+1, b = n-1;
while(a < b){
int md = (a+b)/2;
auto v = Ask(md);
if(v[0]+v[1] != cur[0]+cur[1]) b = md;
else if(v[0] != cur[0]) b = md-1;
else a = md+1;
}
p = a;
}
}
