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problem：Afactory produces products packed in square packets of the same height h and ofthe sizes 1*1, 2*2, 3*3, 4*4, 5*5, 6*6. These products are always delivered tocustomers in the square parcels of ...

problem：A string “s” is consisted of number characters. If thesubstring value of one or two adjacent characters in “s” is between 1 and 26,the substring can be converted to an alphabet. The rule is se...