Adding new test case to old problems.
Difference between en1 and en2, changed 387 character(s)
### How can we add new test case to the problem which may fail many of AC solutions?↵


example↵
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In this question (https://codeforces.net/problemset/problem/121/A) if we add a test case (1 1000000000) the following AC solution https://codeforces.net/contest/121/submission/55314787 fails.↵
EDIT 1: Low possibility for such test case but curious if its possible to do as above?  ↵

EDIT 2: Supersized to know this fact that even operations > 1e9 can be done in 2 seconds.↵
Thanks  

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en2 English coder_Aditya_404 2021-02-04 23:25:10 387
en1 English coder_Aditya_404 2021-02-04 19:24:24 449 Initial revision (published)