Add SRTF algorithm in C.

CPUscheduling/SRTF.c

@@ -0,0 +1,42 @@
+/* =================================== */
+/* ===== SRTF CPU Scheduling ===== */
+/* =================================== */
+#include <stdio.h>
+int main() 
+{
+ int a[10],b[10],x[10],i,j,smallest,count=0,time,n;
+ double avg=0,tt=0,end;
+  printf("enter the number of Processes:\n");
+  scanf("%d",&n); 
+ printf("enter arrival time\n");
+ for(i=0;i<n;i++)
+ scanf("%d",&a[i]);
+ printf("enter burst time\n");
+ for(i=0;i<n;i++)
+ scanf("%d",&b[i]); 
+ for(i=0;i<n;i++)
+ x[i]=b[i];
+
+  b[9]=9999;
+
+ for(time=0;count!=n;time++)
+ {
+   smallest=9;
+  for(i=0;i<n;i++)
+  {
+   if(a[i]<=time && b[i]<b[smallest] && b[i]>0 )
+   smallest=i;
+  }
+  b[smallest]--;
+  if(b[smallest]==0)
+  {
+   count++;
+   end=time+1;
+   avg=avg+end-a[smallest]-x[smallest];
+   tt= tt+end-a[smallest];
+  }
+ }
+ printf("\n\nAverage waiting time = %lf\n",avg/n);
+    printf("Average Turnaround time = %lf",tt/n);
+    return 0;
+}