Merge pull request #23 from MHMITHUN/main

Hacktoberfest.cpp

Author: MdHRShohel

Algo.cpp

@@ -0,0 +1,45 @@
+#include <iostream>
+void swap(int *p1, int *p2)
+{
+int temp = *p1;
+*p1 = *p2;
+*p2 = temp;
+}
+// This is an optimised code for the bubble sort
+void bSort(int arrnumbers[], int n)
+{
+int i, j;
+bool check;
+for (i = 0; i < n-1; i++)
+{
+check = false;
+for (j = 0; j < n-i-1; j++)
+{
+if (arrnumbers[j] > arrnumbers[j+1])
+{
+swap(&arrnumbers[j], &arrnumbers[j+1]);
+check = true;
+}
+}
+// We are breaking from the loop in case two elements were not swapped by inner loop.
+if (check == false)
+break;
+}
+}
+//This function is to print the array sequence as final output after sorting
+void print(int arrnumbers[], int sizeofarray)
+{
+int i;
+for (i=0; i < sizeofarray; i++)
+printf("%d ", arrnumbers[i]);
+}
+// This the main program from where the execution will start
+int main()
+{
+int arrnumbers[] = {5, 6, 1, 0, 2, 9};
+int n = sizeof(arrnumbers)/sizeof(arrnumbers[0]);
+bSort(arrnumbers, n);
+printf("Sorted array: \n");
+print(arrnumbers, n);
+return 0;
+}

Array.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+
+  int numbers[5] = {7, 5, 6, 12, 35};
+
+  cout << "The numbers are: ";
+
+  //  Printing array elements
+  // using range based for loop
+  for (const int &n : numbers) {
+    cout << n << "  ";
+  }
+
+  cout << "\nThe numbers are: ";
+
+  //  Printing array elements
+  // using traditional for loop
+  for (int i = 0; i < 5; ++i) {
+    cout << numbers[i] << "  ";
+  }
+
+  return 0;
+}

String.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    char str[100];
+
+    cout << "Enter a string: ";
+    cin >> str;
+    cout << "You entered: " << str << endl;
+
+    cout << "\nEnter another string: ";
+    cin >> str;
+    cout << "You entered: "<<str<<endl;
+
+    return 0;
+}

String1.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    // Declaring a string object
+    string str;
+    cout << "Enter a string: ";
+    getline(cin, str);
+
+    cout << "You entered: " << str << endl;
+    return 0;
+}