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Find Maximum Element Using Pointer Walk

Code

#include <stdio.h>

int find_max_element(int *ptr, int n) {
    // Your logic here
    int max,i,j;
    for(i=0;i<n;i++)
    {
        // if(ptr[i]>max)
        // {
        //     max=ptr[i];
        // }
        for(j=i+1;j<n;j++)
        {
            if(ptr[i]>ptr[j])
            {
                ptr[i]=ptr[i]^ptr[j];
                ptr[j]=ptr[i]^ptr[j];
                ptr[i]=ptr[i]^ptr[j];
            }
        }
    }
    int temp=ptr[n-1];
    return temp;
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = find_max_element(arr, n);
    printf("%d", result);

    return 0;
}

Solving Approach

 

 

 

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Input

5 10 25 5 30 15

Expected Output

30