Scan Memory for Three Consecutive Increasing Values

Code

#include <stdio.h>

int find_pattern(int *mem, int n) {
    // Write your pointer-based logic here
    if(n<3)
        return -1;
    else{
        int idx=0,prev=*mem,count=1;
        for(int i=1;i<n;i++){
            if (*(mem+i)==++prev){
                prev=*(mem+i);
                if(++count==3)
                    return idx;
                continue;}
            idx=i;
            prev=*(mem+i);
        }
        return -1;
    }
}

int main() {
    int n, arr[100];
    scanf("%d", &n);

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

    int res = find_pattern(arr, n);
    printf("%d", res);

    return 0;
}

Solving Approach