__fuck_u's blog

Problem Round #129 Div 2 B
By __fuck_u, history, 7 years ago, In English

link : (http://mirror.codeforces.com/contest/205/problem/B?fbclid=IwAR1BnFswznuTixJ_osVkVvDgjokFtfycjSnq7dgSW9IbocSmn0YkFlUbtD8)

my submission : http://mirror.codeforces.com/contest/205/submission/47832618?fbclid=IwAR31kaUG-5KmqYGVTLNnZ39ofHZPUtsgCAs1GoMYKQu_NZr_HpO0DE55Des

can someone point what is wrong from my solutions ?. Thanks.

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