SCHEDULING WITH ROUNDROBIN USING C

ROUND ROBIN.C

@@ -0,0 +1,69 @@
+#include<stdio.h>
+
+int main()
+{
+      int i, limit, total = 0, x, counter = 0, time_quantum;
+      int wait_time = 0, turnaround_time = 0, arrival_time[10], burst_time[10], temp[10];
+      float average_wait_time, average_turnaround_time;
+      printf("Enter Total Number of Processes:");
+      scanf("%d", &limit);
+      x = limit;
+      for(i = 0; i < limit; i++)
+      {
+            printf("\nEnter Details of Process[%d] \n", i + 1);
+
+            printf("\nArrival Time: ");
+
+            scanf("%d", &arrival_time[i]);
+
+            printf("\n Burst Time:");
+
+            scanf("%d", &burst_time[i]);
+
+            temp[i] = burst_time[i];
+      }
+
+      printf("\n Enter Time Quantum:");
+      scanf("%d", &time_quantum);
+      printf("Process ID\t\tBurst Time\t Turnaround Time\t Waiting Time\n");
+      for(total = 0, i = 0; x != 0;)
+      {
+            if(temp[i] <= time_quantum && temp[i] > 0)
+            {
+                  total = total + temp[i];
+                  temp[i] = 0;
+                  counter = 1;
+            }
+            else if(temp[i] > 0)
+            {
+                  temp[i] = temp[i] - time_quantum;
+                  total = total + time_quantum;
+            }
+            if(temp[i] == 0 && counter == 1)
+            {
+                  x--;
+                  printf("\nProcess[%d]\t\t%d\t\t %d\t\t\t %d", i + 1, burst_time[i], total - arrival_time[i], total - arrival_time[i] - burst_time[i]);
+                  wait_time = wait_time + total - arrival_time[i] - burst_time[i];
+                  turnaround_time = turnaround_time + total - arrival_time[i];
+                  counter = 0;
+            }
+            if(i == limit - 1)
+            {
+                  i = 0;
+            }
+            else if(arrival_time[i + 1] <= total)
+            {
+                  i++;
+            }
+            else
+            {
+                  i = 0;
+            }
+      }
+
+      average_wait_time = wait_time * 1.0 / limit;
+      average_turnaround_time = turnaround_time * 1.0 / limit;
+      printf("\nAverage Waiting Time:\t%f", average_wait_time);
+      printf("\nAvg Turnaround Time:\t%f", average_turnaround_time);
+      return 0;
+}