Блог пользователя antivenom

What's wrong with this Graph solution.Get TLE everytime.
Автор antivenom, история, 9 лет назад, По-английски

Hello all,with best of my knowledge I wrote my 3rd graph solution for this question.I spent so much time thinking on it but after submitting it,it gave out TLE.As i am amateur in Graphs,I will be obliged if some one come out for help :) link of my code

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9 лет назад, # |
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  1. I think it isn't necessary to use 'string'. Just use 'long long' :)
  2. Don't use 'vis' array because every number we generate just appear in the queue once :D
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