Merge pull request #1 from ambujraj/master

Update Repo

CONTRIBUTORS.md

@@ -1,9 +1,48 @@
 
+
 Name: [Aditya Agarwal](https://github.com/aditya81070)<br/>
 Place: Jaipur, Rajasthan<br/>
-About: I am 3rd year computer science student at Jecrc foundation, Jaipur. I am a front end developer.<br/>  
+About: I am 3rd year computer science student at Jecrc foundation, Jaipur. I am a front end developer.<br/>
 Programming Languages: C, C++, Python, Javascript  <br/>
 
+
+Name: [piyush Bafna](https://github.com/piba941)<br/>
+Place: Belgaum, Karnataka<br/>
+About: I am 2nd year CS student <br/>  
+Programming Languages: C, C++  <br/>
+Email:piyushBafna051@gmail.com
+
+
+Name: [Abhishek Kansal](https://github.com/abhishall)<br/>
+Place: Delhi<br/>
+About: I am pursuing MCA at University of Delhi<br/>
+Programming Languages: Java, Python, C++<br/>
+Email: [email protected]
+
+
+Name: Jillian Keenan  
+Place: Belfast, N.Ireland  
+About: I'm a final year computing science student.  
+Programming Languages: Java, C#, Javascript  
+Email: [email protected]
+
+
+
+Name: [Aditya Agrawal](https://github.com/silly-soul)<br/>
+Place: New Delhi, Delhi<br/>
+About: I am 1st year computer science student at Department of computer science, Delhi University. I am a Full stack developer.<br/>  
+Programming Languages: C, C++, Java, Python, Javascript  <br/>
+Email: [email protected]
+
+
+
+Name: [Antonio Neto](https://github.com/aacgn)<br/>
+Place: Recife, Brazil<br/>
+About: I am 3rd year information systems student at Federal University of Pernambuco, Recife. I am a test engineer.<br/>
+Programming Languages: Python and Javascript  <br/>
+Email: [email protected]
+
+
 Name: [Saish Mhatre](https://github.com/lambocrypt)</br>
 Place: Thane</br>
 About: Currently learning, love to code.</br>
@@ -31,6 +70,16 @@ Programming Language: Cpp, C, R, PHP, HTML, CSS <br/>
 Email: [email protected]
 
 
+Name: [Mohit Uniyal](https://github.com/mohit2016)  
+About: I am currently pursuing BSc (H) Computer Science from Delhi University, and i'm in final year. I have some experience in frontend development, and android app development. I have knowledge of MEAN stack. Also, I'm in the field of Machine Learning these days.
+Programming Language: C++, JavaScript, Java, Python<br/>
+Email: [email protected]
+
+Name:[Michael Loftus](https://github.com/destoer/)
+About: currently a student studying cs and maths
+Programming Language: C, C++, Rust
+Email: [email protected]
+
 Name: [Bernard Joseph Jean Bruno](https://github.com/theArtechnology)  
 About: Computer Science student as an undergraduate at Université des Mascareignes, Mauritius.
 Programming Language: C, C++, Javascript, Python <br/>
@@ -58,8 +107,55 @@ About: I'm a student. I love High Tech and I found hobby in programming :D <br/>
 Programming Language: JavaScript, Python<br/>
 Email: [email protected]
 
+Name:[Ansh Sachdeva](https://github.com/root-ansh)<br/>
+Place: NewDelhi,India <br/>
+About : Ambitious Android Developer and Python Enthusiast. I am a 3rd year B.tech Student , and love open source.</br>
+Programming Language :Java, Kotlin ,Python2/3 ,C</br>
+Email:anshsachdevaprofessional@gmail.com </br>
+
 Name: [Joseph Lee](https://github.com/jjlee050)
 Place: Singapore, SG
 About: I am currently a NUS undergraduate Year 2 Computer Science Student. My field of interest is towards Software Engineering and Mobile App Development.
 Programming Language: Java, C, HTML, CSS, Kotlin
-Email: [email protected]
+Email: [email protected]
+
+
+Name: [Manvi Gupta](https://github.com/Manvi07)<br/>
+Place: Punjab, India<br/>
+About: I am currently studying computer science and technology in my B.Tech at IIT Mandi. I am a passionate learner and explorer.<br/>
+Programming Language: C++, C, python, HTML, css<br/>
+Email: [email protected]<br/>
+
+
+Name: [Praveen Kumar Saini](https://github.com/praveen-me)
+Place: Dharamshala, India
+About: I am currently learning Full Stack Development and also a Google Uadicty India Scholar.
+Pragramming Language : JavaScript, Python
+Email: [email protected] 
+
+
+Name: [Prajjwal Jha](https://github.com/JhaPrajjwal)<br/>
+Place: Mandi, Himanchal Pradesh<br/>
+About: I am 2nd year computer science student at IIT Mandi. I love competitive ccoding.<br/>  
+Programming Languages: C, C++, Python <br/>
+
+
+Name: [Sarthak Mittal](https://github.com/sam-mittal)  
+Place: Delhi,India  
+About: currently pursuing B.Tech in computer science from MAIT.  
+Programming Language:c++,java,python  
+Email: [email protected]  
+
+
+Name: [Keshav Gupta](https://github.com/kgupta786)
+Place: Punjab, India
+About: I am currently a B.Tech Undergraduate doing CSE at Thapar Institute of Engineering and Technology.My Interests are in Android,Machine Learning, Web Development.
+Programming Language: Java, C, HTML, CSS, Android, Python, C++,C#,PHP
+Email: [email protected]
+
+
+Name: [John Braun](https://github.com/jhnbrn90)  
+About: I am doing a PhD in organic chemistry and really like programming. Used Laravel to create some useful tools for our research group, amongst others a chemicals inventory, booking system and supporting information manager.
+Programming Language: PHP, JavaScript
+Email: [email protected]
+

FibonacciSeries.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+int main()
+{
+    int i, n, t1 = 0, t2 = 1, nextTerm;
+
+    printf("Enter the number of terms: ");
+    scanf("%d", &n);
+
+    printf("Fibonacci Series: ");
+
+    for (i = 1; i <= n; ++i)
+    {
+        printf("%d, ", t1);
+        nextTerm = t1 + t2;
+        t1 = t2;
+        t2 = nextTerm;
+    }
+    return 0;
+}

Palindrome.cpp

@@ -1,15 +1,27 @@
-#include <iostream>
+#include<iostream>
+#include<cstring>
 using namespace std;
 int main()
 {
-	int n,remainder,reverse=0,originalnumber;
-	cin>>n;
-	originalnumber=n;
-	while(n!=0){
-		remainder = n%10;
-		reverse=reverse*10 +remainder;
-		n/=10;
-	}
-	(originalnumber==reverse)?cout<<"palindrome":cout<<"not palindrome";
-return 0;
+string str,st;
+int i,j,flag=1;
+cin>>str;
+int l =str.size();
+for(i=0;i<l;i++)
+st[i]=str[i];
+for(i=l-1;i>=0;i--)
+{
+cout<<st[i];
+}
+for(j=0,i=l-1;i>=0,j<l;i--,j++ )
+if(str[j]!=st[i])
+{
+    flag=0;
+}
+if(flag==1)
+{
+    cout<<"\npalindrome";
+}
+else
+    cout<<"\nnot a palindrome";
 }

README.md

@@ -15,27 +15,27 @@
 
 <h2> List of Programs to work on </h2>
 <ul>
-	<li> Hello World </li>
-	<li> Searching Algorithms </li>
-		<li> Linked list </li>
-		<li> Stack </li>
-		<li> Queue </li>
-	<li> Traversal Algorithms </li>
-		<li> Linked list </lI>
-	<li> Sorting Algorithms </li>
-		<li> Linked list </li>
-		<li> Queue </li>
-	<li> Random number algorithms </li>
-	<li> Number reversal algorithms </li>
-	<lI> Fibonacci Series </lI>
-	<li> Is palindrome a Number </li>
-	<li> Is number a perfect square? </li>
-	<li> Is string a pangram </li>
-	<li> Find the factorial number </li>
-	<li> Find list of prime numbers. </li>
-	<li> Create an arrow using CSS </li>
-	<li> Convert roman numeral </li>
-	<li> Telephone number validator</li>
+	<li>  - [ ] Hello World </li>
+	<li> - [ ] Searching Algorithms </li>
+		<li> - [ ] Linked list </li>
+		<li> - [ ] Stack </li>
+		<li> - [ ] Queue </li>
+	<li> - [ ] Traversal Algorithms </li>
+		<li> - [ ] Linked list </lI>
+	<li> - [ ] Sorting Algorithms </li>
+		<li> - [ ] Linked list </li>
+		<li> - [ ] Queue </li>
+	<li> - [ ] Random number algorithms </li>
+	<li> - [ ] Number reversal algorithms </li>
+	<lI> - [ ] Fibonacci Series </lI>
+	<li> - [ ] Is palindrome a Number </li>
+	<li> - [ ] Is number a perfect square? </li>
+	<li> - [ ] Is string a pangram </li>
+	<li> - [ ] Find the factorial number </li>
+	<li> - [ ] Find list of prime numbers. </li>
+	<li> - [ ] Create an arrow using CSS </li>
+	<li> - [ ] Convert roman numeral </li>
+	<li> - [ ] Telephone number validator</li>
 
 </ul>
 

Repeated K times/Smallest Value Repeated K times.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+int main()
+{   int arr[100005],count[100005],n,i,j,temp,k,var;
+    scanf("%d",&n);
+    for(i=0;i<n;i++)
+    {
+        scanf("%d",&arr[i]);
+    }
+    scanf("%d",&k);
+    for(j=0;j<n;j++)
+    {
+        var=arr[j];
+        count[var]++;
+    }
+    for(i=0;i<100005;i++)
+    {
+        if(count[i]==k)
+        {
+            printf("%d",i);
+            break;
+        }
+    }
+    return 0;
+}

factorial/factorial.cpp

@@ -1,21 +1,23 @@
-#include <iostream>
+#include <iostream> // Imports Standard Library "iostream" which is used for input and output
 
-using namespace std;
+using namespace std; // Removes the need for using std::
 
-int factorial (int n)
+int factorial (int n) // Defining a function factiorial which takes an integer as an argument and returns an integer
 {
     if(n==1)
     {
         return 1;
     }
-    return n*factorial(n-1);
+    return n*factorial(n-1); // Recursive Function which calls itself with an argument with integer one less in value until it reaches one
 
 }
 int main()
 {
-    int n,result;
-    cin>>n;
-    result=factorial(n);
+    int n,result; 
+    cout<<"Enter the number whose factorial you want to find\n";
+    cin>>n;        //Takes input for the value n 
+    result=factorial(n); //Calls factorial with argument n and assigns its return value to result
+    cout<<"The result is \n";
     cout<<result;
     return 0;
 

factorialize.c

@@ -0,0 +1,19 @@
+#include <stdlib.h>
+#include <assert.h>
+
+
+int factorialize(int n) {
+    int result = 1;
+
+    for(int i = 2; i <= n; i++) {
+        result *= i;
+    }
+    return result;
+}
+
+int main() {
+    assert(factorialize(0) == 1);
+    assert(factorialize(5) == 120);
+    assert(factorialize(7) == 5040);
+    assert(factorialize(9) == 362880);
+}

fibonacci/Fib-Iterative.cpp

@@ -0,0 +1,33 @@
+//Fibonacci Series using Iterative Method
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+  int f1=1;
+    int f2=1;
+    int f3;
+    int n;
+	cout<<"Enter the terms upto which the Fibonnaci Series has to be printed\n";
+	cin>>n;
+	if(n==1)
+	{
+		cout<<f1;
+	}
+    else if(n==2)
+	{
+		cout<<f1<<","<<f2;
+	}
+	else
+	{
+		cout<<f1<<","<<f2<<",";
+		for(int i = 3;i<=n;i++)
+		{
+			f3=f1+f2;
+			cout<<f3<",";
+			f1=f2;
+			f2=f3;
+		}
+	}
+}

fibonacci/fibonacci.hs

@@ -0,0 +1,5 @@
+fibonacci :: Int -> Int
+
+fibonacci 1 = 1
+fibonacci 2 = 1
+fibonacci x = fibonacci (x-1) + fibonacci (x-2)

fibonacci/fibonacci.py

@@ -1,16 +1,8 @@
-print('Enter the number of terms: ')
-num = int(input())
+def F(n):
+    if n == 0: return 0
+    elif n == 1: return 1
+    else: return F(n-1)+F(n-2)
 
-alist = []
-
-for i in range(0, num):
-	if(i == 0):
-		alist.append(0)
-	elif(i == 1):
-		alist.append(1)
-	else:
-		alist.append(alist[i - 1] + alist[i - 2])
-
-print('The fibonnaci series is: ')
-for i in range(num):
-	print(alist[i], end = ' ')
+if __name__ == '__main__':
+    num = int(input("Enter a number: "))
+    print(F(num))

fibonacci/fibonacci.rb

@@ -0,0 +1,14 @@
+def fib(n)
+
+    if n == 0
+        return 0
+    end
+    if n == 1
+        return 1
+    end
+
+    if n >= 2
+        return fib(n-1) + (fib(n-2))
+    end
+
+end