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2279. Maximum Bags With Full Capacity of Rocks
Description
You have n
bags numbered from 0
to n  1
. You are given two 0indexed integer arrays capacity
and rocks
. The i^{th}
bag can hold a maximum of capacity[i]
rocks and currently contains rocks[i]
rocks. You are also given an integer additionalRocks
, the number of additional rocks you can place in any of the bags.
Return the maximum number of bags that could have full capacity after placing the additional rocks in some bags.
Example 1:
Input: capacity = [2,3,4,5], rocks = [1,2,4,4], additionalRocks = 2 Output: 3 Explanation: Place 1 rock in bag 0 and 1 rock in bag 1. The number of rocks in each bag are now [2,3,4,4]. Bags 0, 1, and 2 have full capacity. There are 3 bags at full capacity, so we return 3. It can be shown that it is not possible to have more than 3 bags at full capacity. Note that there may be other ways of placing the rocks that result in an answer of 3.
Example 2:
Input: capacity = [10,2,2], rocks = [2,2,0], additionalRocks = 100 Output: 3 Explanation: Place 8 rocks in bag 0 and 2 rocks in bag 2. The number of rocks in each bag are now [10,2,2]. Bags 0, 1, and 2 have full capacity. There are 3 bags at full capacity, so we return 3. It can be shown that it is not possible to have more than 3 bags at full capacity. Note that we did not use all of the additional rocks.
Constraints:
n == capacity.length == rocks.length
1 <= n <= 5 * 10^{4}
1 <= capacity[i] <= 10^{9}
0 <= rocks[i] <= capacity[i]
1 <= additionalRocks <= 10^{9}
Solutions

class Solution { public int maximumBags(int[] capacity, int[] rocks, int additionalRocks) { int n = capacity.length; int[] d = new int[n]; for (int i = 0; i < n; ++i) { d[i] = capacity[i]  rocks[i]; } Arrays.sort(d); int ans = 0; for (int v : d) { if (v <= additionalRocks) { ++ans; additionalRocks = v; } else { break; } } return ans; } }

class Solution { public: int maximumBags(vector<int>& capacity, vector<int>& rocks, int additionalRocks) { int n = capacity.size(); vector<int> d(n); for (int i = 0; i < n; ++i) d[i] = capacity[i]  rocks[i]; sort(d.begin(), d.end()); int ans = 0; for (int& v : d) { if (v > additionalRocks) break; ++ans; additionalRocks = v; } return ans; } };

class Solution: def maximumBags( self, capacity: List[int], rocks: List[int], additionalRocks: int ) > int: d = [a  b for a, b in zip(capacity, rocks)] d.sort() ans = 0 for v in d: if v <= additionalRocks: ans += 1 additionalRocks = v return ans

func maximumBags(capacity []int, rocks []int, additionalRocks int) int { n := len(capacity) d := make([]int, n) for i, v := range capacity { d[i] = v  rocks[i] } sort.Ints(d) ans := 0 for _, v := range d { if v > additionalRocks { break } ans++ additionalRocks = v } return ans }

function maximumBags(capacity: number[], rocks: number[], additionalRocks: number): number { const n = capacity.length; const diffs = capacity.map((c, i) => c  rocks[i]); diffs.sort((a, b) => a  b); let ans = 0; for (let i = 0; i < n && (diffs[i] === 0  diffs[i] <= additionalRocks); i++) { ans++; additionalRocks = diffs[i]; } return ans; }

impl Solution { pub fn maximum_bags(capacity: Vec<i32>, rocks: Vec<i32>, mut additional_rocks: i32) > i32 { let n = capacity.len(); let mut diffs = vec![0; n]; for i in 0..n { diffs[i] = capacity[i]  rocks[i]; } diffs.sort(); for i in 0..n { if diffs[i] > additional_rocks { return i as i32; } additional_rocks = diffs[i]; } n as i32 } }