## 1196. How Many Apples Can You Put into the Basket

You have some apples, where `arr[i]` is the weight of the `i`-th apple.  You also have a basket that can carry up to `5000` units of weight.

Return the maximum number of apples you can put in the basket.

Example 1:

```Input: arr = [100,200,150,1000]
Output: 4
Explanation: All 4 apples can be carried by the basket since their sum of weights is 1450.
```

Example 2:

```Input: arr = [900,950,800,1000,700,800]
Output: 5
Explanation: The sum of weights of the 6 apples exceeds 5000 so we choose any 5 of them.
```

Constraints:

• `1 <= arr.length <= 10^3`
• `1 <= arr[i] <= 10^3`

## Rust Solution

``````struct Solution;

impl Solution {
fn max_number_of_apples(mut arr: Vec<i32>) -> i32 {
arr.sort_unstable();
let n = arr.len();
let mut sum = 0;
for i in 0..n {
sum += arr[i];
if sum > 5000 {
return i as i32;
}
}
n as i32
}
}

#[test]
fn test() {
let arr = vec![100, 200, 150, 1000];
assert_eq!(Solution::max_number_of_apples(arr), 4);
let arr = vec![900, 950, 800, 1000, 700, 800];
assert_eq!(Solution::max_number_of_apples(arr), 5);
}
``````

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