non preemptive sjf scheduling

c/sjfscheduling.c

@@ -0,0 +1,61 @@
+#include <stdio.h>
+int main()
+{   
+   int i,n,j,total_wt=0,total_tat=0,pos,temp;
+   float avg_wt,avg_tat;
+   int bt[10],proc[10],wt[10],tat[10];
+
+	printf("Enter the no of processes:");
+	scanf("%d",&n);
+  for(i = 0;i<n;i++)
+  {
+	printf("\nEnter the burst time of process %d :",i+1);
+	scanf("%d",&bt[i]);
+	proc[i] = i+1;
+  }
+
+ for(i=0;i<n;i++)
+ {
+	 pos = i;
+	    for(j=i+1;j<n;j++)
+	    {
+			if(bt[j] < bt[pos])
+			{
+				pos = j;
+			}
+	     temp = bt[i];
+	     bt[i] = bt[pos];
+	     bt[pos] = temp;
+
+	     temp = proc[i];
+	     proc[i] = proc[pos];
+	     proc[pos] = temp;
+      }
+  }
+  wt[0] = 0;
+  for(i=0;i<n;i++)
+    {
+      wt[i+1] = wt[i] + bt[i];
+      total_wt = total_wt + wt[i];
+    }
+
+    avg_wt = total_wt/n;
+
+    for(i=0;i<n;i++)
+    {
+     tat[i] = wt[i]+bt[i];
+     total_tat = total_tat + tat[i];
+    }
+    avg_tat = total_tat/(float)n;
+
+    printf("Processes \tBurst time \twaiting time \tTurn around time \n");
+    for(int i=0;i<n;i++)
+    {
+		printf("%d\t\t %d \t\t%d \t\t%d\n",proc[i],bt[i],wt[i],tat[i]);
+    }
+      printf("\nAverage waiting time : %f",avg_wt);
+      printf("\nAverage Turn around time : %f",avg_tat);
+    return 0;
+ }
+
+