برنامه ی پیدا کردن یا جستوی بزرگترین عنصر آرایه به زبان سی پلاس پلاس

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#include <iostream>
using namespace std;
int main(){
    int i,n;
    float arr[100];
    cout << "Enter total number of elements: ";
    cin >> n;
    cout << endl;
    while (n>100 || n<=0)
    {
        cout << "Error! number should in range of (1 to 100)." << endl;
        cout << "Enter the number again: ";
        cin >> n;
    }
    for(i=0;i<n;++i)  /* Stores number entered by user. */
    {
       cout << "Enter Number " << i+1 << " : ";
       cin >> arr[i];
    }
    for(i=1;i<n;++i)  /* Loop to store largest number to arr[0] */
    {
       if(arr[0]<arr[i]) /* Change < to > if you want to find smallest element*/
           arr[0]=arr[i];
    }
    cout << "Largest element = " << arr[0];
    return 0;
}

Output

Enter total number of elements: 8

Enter Number 1: 23.4
Enter Number 2: -34.5
Enter Number 3: 50
Enter Number 4: 33.5
Enter Number 5: 55.5
Enter Number 6: 43.7
Enter Number 7: 5.7
Enter Number 8: -66.5

Largest element = 55.5