Answers for "find the number of ways to select two pairs that match the condition above. two ways are considered different if they consist of different pairs."

two elements with difference K in c++

bool diffK(int A[], int N, int K) {
    sort(A, A+N);
    int i = 0, j = 0;
    while (i < N && j < N) {
        if (A[i] == A[j] + K) return true;
        else if (A[i] < A[j] + K) i++;
        else j++;
    }
    return false;
}

Posted by: Guest on July-01-2020

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Answers for "find the number of ways to select two pairs that match the condition above. two ways are considered different if they consist of different pairs."

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Answers for "find the number of ways to select two pairs that match the condition above. two ways are considered different if they consist of different pairs."

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