leetcode周赛6075. 装满石头的背包的最大数量

class Solution {
public:
    
    
    
    int maximumBags(vector& capacity, vector& rocks, int additionalRocks) {
        vector ans;
        int count = 0;
        for (int i = 0; i < capacity.size(); i++) {
            ans.push_back(capacity[i]-rocks[i]);   
        }
        
        sort(ans.begin(),ans.end());
        
        for (int i = 0; i < ans.size(); i++) {
            if (ans[i] > 0 && additionalRocks >= ans[i]) {
                additionalRocks -= ans[i];
                ans[i] = 0;
            }
        }
        
        for (auto temp:ans) {
            if (temp == 0) count++;
        }
        
        return count;
    }
};