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1.take while loop in which u continue up to null in array of string.

2.once u get null pointer then take a new array of same length.

3.when u get null there ll save position no in variable i.

4.take while loop i to 0;

5.and j=0 for new array.

6.in above loop copy old array to new array in each cycle of loop.

7.j++;

8.u ll get reverse of string.

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