Create selection_sort.cpp

Author: chiragbalicpp

selection_sort.cpp

@@ -0,0 +1,39 @@
+#include<iostream>
+using namespace std;
+void swapping(int &a, int &b) {         //swap the content of a and b
+   int temp;
+   temp = a;
+   a = b;
+   b = temp;
+}
+void display(int *array, int size) {
+   for(int i = 0; i<size; i++)
+      cout << array[i] << " ";
+   cout << endl;
+}
+void selectionSort(int *array, int size) {
+   int i, j, imin;
+   for(i = 0; i<size-1; i++) {
+      imin = i;   //get index of minimum data
+      for(j = i+1; j<size; j++)
+         if(array[j] < array[imin])
+            imin = j;
+         //placing in correct position
+         swap(array[i], array[imin]);
+   }
+}
+int main() {
+   int n;
+   cout << "Enter the number of elements: ";
+   cin >> n;
+   int arr[n];           //create an array with given number of elements
+   cout << "Enter elements:" << endl;
+   for(int i = 0; i<n; i++) {
+      cin >> arr[i];
+   }
+   cout << "Array before Sorting: ";
+   display(arr, n);
+   selectionSort(arr, n);
+   cout << "Array after Sorting: ";
+   display(arr, n);
+}