60. Detect Alternating Pattern

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Code

#include <stdio.h>

int is_alternating_pattern(int *mem, int k) {
    k--;
    int i = k;
    while (k--) {
        if (*(mem + k) == !(*(mem + k + 1)))
            i--;
    }
    return i == (k + 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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