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#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int minEatingSpeed(vector<int>& piles, int h) {
std::ranges::iota_view r{1, *max_element(piles.begin(), piles.end())};
return *upper_bound(r.begin(), r.end(), h,
[&piles] (auto h, auto e) {
return accumulate(piles.begin(), piles.end(), 0, [e] (int acc, auto x) {return acc + ceil((double) x/e);}) <= h;
});
}
int main()
{
vector<int> piles1 = {3,6,7,11};
cout << "Test 1 " << minEatingSpeed(piles1, 8) << endl;
vector<int> piles2 = {30,11,23,4,20};
cout << "Test 2 " << minEatingSpeed(piles2, 5) << endl;
vector<int> piles3 = {30,11,23,4,20};
cout << "Test 3 " << minEatingSpeed(piles3, 6) << endl;
return 0;
}
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