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// 875. Koko Eating Bananas
#include "leetcode.h"
// return minimum integer 'k' such that koko can eat all bananas within 'h'
// hours
class Solution {
public:
int minEatingSpeed(vector<int> &piles, int h) {
int l = 1, r = 1000000000;
while (l < r) {
int m = (l + r) / 2, total = 0;
for (int p : piles)
total += (p + m - 1) / m;
if (total > h)
l = m + 1;
else
r = m;
}
return l;
}
};
int main() {
Solution obj;
vector<int> p1 = {3, 6, 7, 11}, p2_3 = {30, 11, 23, 4, 20};
printf("%d\n", obj.minEatingSpeed(p1, 8)); // expect: 4
printf("%d\n", obj.minEatingSpeed(p2_3, 5)); // expect: 30
printf("%d\n", obj.minEatingSpeed(p2_3, 6)); // expect: 23
}
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