#### A. FashionabLee :

Invented by DeadlyCritic.

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**

#### B. AccurateLee :

Invented by DeadlyCritic.

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**

#### C. RationalLee :

Invented by DeadlyCritic and adedalic.

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**

#### D. TediousLee :

Invented by DeadlyCritic.

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**

Challenge : Try solving problem D for $$$n \le 10^{18}$$$. (no matrix-multiplication)

#### E. DeadLee :

Invented by DeadlyCritic.

**Hints**

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**

#### F. BareLee :

Invented by DeadlyCritic and AS.82.

**Brief Solution**

**Complete Proof**

**Python solution**

**C++ solution**