give 0indexed integer array num length n integer k return number pair j 0 j n numsi numsj j divisible k Example 1input num 3122213 k 2Output 4ExplanationThere 4 pair meet requirement nums0 nums6 0 6 0 divisible 2 nums2 nums3 2 3 6 divisible 2 nums2 nums4 2 4 8 divisible 2 nums3 nums4 3 4 12 divisible 2example 2input num 1234 k 1output 0explanation since value num repeat pair ij meet requirement constraints1 numslength 1001 numsi k 100