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ahmedghazi/gist:682ebbaa7b7c5a0520d624fde9b5a1c3

Created March 1, 2018 12:20
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array loop
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gistfile1.txt
1st draw: [0,1,2,3]
2nd draw: [1,2,3,0]
3rd draw: [2,3,0,1]
4th draw: [3,0,1,2]
arr[i] = (arr[i]+1)%arr.length;
arr[i] = arr[ (i + 1) % arr.length ];
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