Implement FCFS page replacement algorithm Input format Enter the reference string length Enter the reference string values Enter the number of frames allotted Output format display the number of page faults using the FCFS page replacement algorithm Sample testcases Input 1 Output 1 20 15 7 0 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 3 Note : The program will not be evaluated if "Submit Code" is not done atleast once Extra spaces and new line characters in the program output will also result in the testcase failing