In problem E, my code will have some problems when n is not a fib number, I noticed that after I locked problem. There is a person in my room who make mistakes with data like this, I submitted a hack data (this data also can hack myself), and it returned unexpected verdict.↵
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I Failed System Test in E, and my hack has been ignored. But [this submission](https://codeforces.net/contest/1491/submission/108705452) was hacked by me, I didn't get 100 score.↵
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Why is it?↵
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I Failed System Test in E, and my hack has been ignored. But [this submission](https://codeforces.net/contest/1491/submission/108705452) was hacked by me, I didn't get 100 score.↵
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Why is it?↵
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