find maximum and second maximum number in array

1#include <stdio.h>
2int main() {
3    int i, n;
4    float arr[100];
5    printf("Enter the number of elements (1 to 100): ");
6    scanf("%d", &n);
7
8    for (i = 0; i < n; ++i) {
9        printf("Enter number%d: ", i + 1);
10        scanf("%f", &arr[i]);
11    }
12
13    // storing the largest number to arr[0]
14    for (i = 1; i < n; ++i) {
15        if (arr[0] < arr[i])
16            arr[0] = arr[i];
17    }
18
19    printf("Largest element = %.2f", arr[0]);
20
21    return 0;
22}
23

1#include <iostream>
2int main()
3{
4    std::cout << "Enter 5 numbers : ";
5    int arr[5];
6    
7    for (int i = 0; i < 5; std::cin >> arr[i++]);
8
9    int max = arr[0], second = 0;
10
11    for (int i = 1; i < 5; i++)
12        if (arr[i] > max)
13            max = arr[i];
14    std::cout << "Maximum number : " << max << "\n";
15    bool found = false;
16    for (int i = 0; i < 5; i++)
17    {
18        if (arr[i] == max)
19            continue;
20        else if (arr[i] > second)
21        {
22            second = arr[i];
23            found = true;
24        }
25    }
26    if (found)
27        std::cout << "Second maximum numbers : " << second;
28    else
29        std::cout << "Second maximum number not found.";
30}