# Rust program to find the second largest element from the array

Rust | Array Example: Write a program to find the second largest element from the array.
Submitted by Nidhi, on October 20, 2021

Problem Solution:

In this program, we will create an integer array with 5 elements then we will find the second largest element from the array.

Program/Source Code:

The source code to find the second largest element from the array is given below. The given program is compiled and executed successfully.

```// Rust program to find the second largest
// element from array

fn main() {
let arr:[i32;5] = [13,18,23,14,12];
let mut large1:i32 = 0;
let mut large2:i32 = 0;
let mut i:usize = 1;

large1=arr;

while i<arr.len()
{
if large1 < arr[i] {
large2 = large1;
large1 = arr[i];
} else if large2 < arr[i] {
large2 = arr[i];
}
i = i + 1;
}

println!("Second largest element is: {}", large2);
}
```

Output:

```Second largest element is: 18
```

Explanation:

Here, we created an array of the integer with 5 elements. Then we found the second largest element from the array and printed the result.

Preparation

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