59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
    int index = -1;
    for(int i=0;i<n;i++){
        if((*(mem+i)+1)==(*(mem+i+1))){
             if((*(mem+i)+2)==(*(mem+i+2))){
                return i;
            }
        }
    }


    return index;
}

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;
}