@hari_2666 Hi buddy , i am a 4* coder and i still browse geeksforgeeks to use c++ stl . 
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hi bro
its alright broo…we dont need to know syntax …we can google…
but suggestion is judge ur performance based on codeforces rating …then it will help u to work more and learn more
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Yes , you are right but don’t be delusional about codechef ratings
DONT FORGET STACK OVERFLOW,math stack exchange
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Everyone has different prospective towards everything.
If codeforces ratings work for u rely on that but my point is why u judge people …
people who use whatsapp and telegram group are here to make ratings and impress others but we should not divert from our reality…
I have worked miles for that and is one of biggest satisfaction…
Still million miles to go…
work in progress…
One solution that is obivious for one may not be for other…
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Thanks for the vedio editorial as well
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Yeah graph one was not obvious to me also.
I too solved it greedily bruteforce way.
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Bro look at this thread he gets hammered everywhere and keep barking that codechef ratings are easy.
LOL he is a 3* after 15 to 20 challenges…
thread-here
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atleast i am not a cheater like u
i criticized codechef…but never cheated like u 
what is the use of getting so many stars like u by cheating???
u are in div1…thats great…but u should have chosen the right path
atleast i am not a cheater like u
i criticized codechef…but never cheated like u
LOL he is a 3* after 15 to 20 challenges…
what is the use of getting so many stars like u by cheating???
u are in div1…thats great…but u should have chosen the right path
if u really had that respect for codechef…u would have never even thought of cheating
no…cheating is enough for people like u
can someone please explain how bipartite graph is applied here and make this thread end healthy.
Bro, I read all the messages just now . There are many types of people.
yes i wondered the same. coming here from cpalgorithms site referring this problem as practice for bipartite graph concept