Match the following file stream classes in C++ with its functions.
| 1. fstream base | i. Provides support for simultaneous input and output operation |
| 2. ifstream | ii. Provides output operation |
| 3. ofstream | iii. Provides operations common to file streams |
| 4. fstream | iv. Provides input operation. |
1
1 - iv, 2 - iii, 3 - i, 4 - ii
2
1 - i, 2 - iii, 3 - iv, 4 - ii
3
1 - iii, 2 - iv, 3 - ii, 4 - i
4
1 - i, 2 - ii, 3 - iv, 4 - iii
5
1 - i, 2 - ii, 3 - iii, 4 - iv