asaecs2's blog

By asaecs2, history, 5 months ago, In English

Can you please give a counter-example to find the error in my approach??? (I guess there is an overflow -_-) Problem:- https://codeforces.com/problemset/problem/1594/C My approach:- https://codeforces.com/contest/1594/submission/170945137

 
 
 
 
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5 months ago, # |
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Auto comment: topic has been updated by asaecs2 (previous revision, new revision, compare).

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5 months ago, # |
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The correct approach is simpler. (My proof might scare you, though, because I made it rigorously.) Case 1 (you found this one): all characters are equal to c. Then no operations are needed. Case 2: Not all characters are equal to c. Then we have further subcases:

The subcases