write at C++,Make sure the codes are working. The codes in the question I asked yesterday were not working.!!!!!!!(C++)!!!!!!!

1. Write programs to print the following patterns using Loops (for/while): (a) 2. Write programs in either C or Java or python (choose your preference ) to simulate the following scheduling Algorithms with their respective Gantt Charts displayed during run time: (i) FCFS- First Come First Serve Scheduling (ii) SJF- Shortest Job First Scheduling (Non - Preemptive and Pre-emptive both) (iii) LJB-Longest Job First Scheduling (Non - Preemptive and Pre-emptive both) (iv) Priority Scheduling (Non - Preemptive and Pre-emptive both)