I want to learn a fast solution for↵
↵
`Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] B Valuable Paper`↵
↵
https://codeforces.com/contest/1423↵
↵
↵
So I click here.↵
↵
![ ](/predownloaded/1c/ab/1cab2b5cd36c417355a87ef5de5c769fdead484a.png)↵
↵
↵
And sort all **accepted** solutions by **Execution Time**.↵
↵
![ ](/predownloaded/fa/c5/fac57166e684d1f25b02851d34f2a207ba33be31.png)↵
↵
↵
The fastest one is https://codeforces.com/contest/1423/submission/94770930. ↵
↵
![ ](/predownloaded/d7/d7/d7d7179696eb5cb97df4685d965eecca5d83a2b5.png)↵
↵
↵
I read it carefully and found it is wrong. Then I noticed that it already has been hacked. https://codeforces.com/contest/1423/hacks/669563↵
↵
Why does a hacked solution display as **Accepted**? I think it can mislead users.
↵
`Bubble Cup 13 - Finals [Online Mirror, unrated, Div. 1] B Valuable Paper`↵
↵
https://codeforces.com/contest/1423↵
↵
↵
So I click here.↵
↵
![ ](/predownloaded/1c/ab/1cab2b5cd36c417355a87ef5de5c769fdead484a.png)↵
↵
↵
And sort all **accepted** solutions by **Execution Time**.↵
↵
![ ](/predownloaded/fa/c5/fac57166e684d1f25b02851d34f2a207ba33be31.png)↵
↵
↵
The fastest one is https://codeforces.com/contest/1423/submission/94770930. ↵
↵
![ ](/predownloaded/d7/d7/d7d7179696eb5cb97df4685d965eecca5d83a2b5.png)↵
↵
↵
I read it carefully and found it is wrong. Then I noticed that it already has been hacked. https://codeforces.com/contest/1423/hacks/669563↵
↵
Why does a hacked solution display as **Accepted**? I think it can mislead users.