Program to find the frequency of each element in an array.
Ex: Input: arr [] = {1,1,2,3,3,4}
Output: {1 : 2, 2 : 1, 3 : 2, 4 : 1}
Given a string and n is the no of rows. Print the string in a zigzag manner.
For example, if str = ‘PROGRAMMING’ and n=3 then the output is ‘PRIRGAMNOMG’.
[ P R I
R G A M N
O M G ]

Question

Program to find the frequency of each element in an array.
Ex: Input: arr [] = {1,1,2,3,3,4} 
Output: {1 : 2, 2 : 1, 3 : 2, 4 : 1}
Given a string and n is the no of rows. Print the string in a zigzag manner.
For example, if str = ‘PROGRAMMING’ and n=3 then the output is ‘PRIRGAMNOMG’.
[ P     R     I 
  R G A M N
  O    M     G ]

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