C++

1. CONDITION

1.1. if...else

1.2. if...else if

1.3. switch...case

2. OUTPUT

2.1. cout

3. INPUT

3.1. cin

4. FUNCTION

4.1. sort

4.2. max

4.3. min

4.4. reverse

5. DATA TYPE

5.1. int

5.2. double

5.3. string

5.4. char

5.5. long long

5.6. boolen

6. looping

6.1. for loop

6.2. while loop

6.3. do..while loop

7. LIBARRARY

7.1. iostrem

7.2. bits/stdc++.h

7.3. cmath

7.4. string

8. OPERATOR

8.1. or ||

8.2. and &&