Detect Alternating Pattern

Code

#include <stdio.h>

int is_alternating_pattern(int *mem, int k) {
    // Write your pointer logic here
    // for(int i=0; i<k-1; i++){
    //     if(*(mem+i) == *(mem+i+1)){
    //         return 0;
    //     }
    // }
    // return 1;
    int *start = mem;
    int *end = mem + k -2;
    while(mem<=end){
        if(*(mem) == *(mem+1)){
            return 0;
        }
        mem++;
    }
    return 1;
}

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

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

    int res = is_alternating_pattern(arr, k);
    printf("%d", res);

    return 0;
}

Solving Approach

 

 

 

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Input

6 6 1 0 1 0 1 0

Expected Output

1