59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
    int count = n-2;
    int *p = mem;
    int* ans;
    while(count--){
        if(*mem + 1 == *(mem+1) && *mem+2 == *(mem+2)){
            ans = mem;
            return ans - p;
        }
        mem++;
    }
    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;
}