https://codeforces.com/problemset/problem/708/A

help
1

i want to discusss my approach on this question as it is giving wa but i am not able to find where i am wrong. if someone willing to help pls reply

2

this is my solution

3

for input : a
the only substring you can pick is “a” itself , in that case answer should be “z” (after shift) , but your program prints “a” only , try to debug this first

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4

thanks i have debug it i got the missing case but now it is showing tle. i have done using one traversal only

5

s1=s1+x takes O(n) time. You need to use a stringbuilder.

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6

thanks bhai got it. i follow you on youtube and also on linkedin. Thanks for help

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7

you’re welcome man , and good luck for next problems

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