Added selection sort

Selection sort

@@ -0,0 +1,36 @@
+#include<stdio.h>
+
+/*
+ * @ar_size array size
+ * @ar array pointer
+ */
+void selectionsort(int ar_size, int * ar) 
+{ 
+  for(int j=0; j<ar_size; j++)
+        {
+          int temp;
+          int imin=j;
+                 for(int i=j+1; i=ar_size; i++)
+                  {
+                  if(ar[i]<ar[imin])
+                  {
+                  imin=i;
+                 }
+                  }
+
+          temp=ar[j];
+          ar[j]=ar[imin];
+          ar[imin]=temp;
+          }
+}
+int main()
+{
+	int ar[5]={5,4,3,2,1};
+	int ar_size=sizeof(ar)/sizeof(ar[0]);
+	selectionsort(ar_size, ar);
+	for(int i=0; i<ar_size; i++)
+	{
+		printf("%d\n", ar[i]);
+	}
+
+}