Add files via upload

Author: rudrajit1729

Part 2 - Loops/Loops - do-while.cpp

@@ -0,0 +1,14 @@
+// Using do while loop where you have to do something atleast once
+
+#include<iostream>
+using namespace std;
+
+int main()
+{
+ int i = 10;
+ do
+ {
+ cout<<"Prints once although i is 10\n";
+ } while (i<10);
+ 
+}

Part 2 - Loops/Loops - for.cpp

@@ -0,0 +1,13 @@
+#include<iostream>
+using namespace std;
+
+int main()
+{
+ int fact = 7;
+ int factorial = 7;
+ for(int i = fact-1;i>=1;i--)
+ {
+ factorial *= i;
+ }
+ cout<<factorial<<endl;
+}

Part 2 - Loops/Loops - while.cpp

@@ -0,0 +1,15 @@
+#include<iostream>
+using namespace std;
+
+int main()
+{
+ int fact = 8;
+ int i = fact - 1;
+ while(i>0)
+ {
+ fact *= i;
+ i--;
+ }
+ cout<<fact<<endl;
+ return 0;
+}

Part 2 - Loops/Range_Based_Loops.cpp

@@ -0,0 +1,25 @@
+#include<iostream>
+//#include<vector>
+#include<bits/stdc++.h>
+using namespace std;
+// Compile using c++11 --> 'g++ Range_Based_Loops.cpp -std=c++11'
+int main()
+{
+ vector<int> data = {1,2,3,4,5,6};
+ // Can be used for arrays/ STL arrays.
+ // When C array passed to a function it is passed via reference and it looses track of its size
+ // Thus this doesnt implicitly work in that case..Figure a way out in such case.
+ for(int n:data)
+ {
+ // n stores data temporarily from data
+ cout<<n<<"\t";
+ }
+ cout<<endl;
+ /*
+ for(int i =0;i<6;i++)
+ {
+ cout<<data[i]<<"\t";
+ }
+ cout<<endl;
+ */
+}