Create Factorial

.gitignore

@@ -0,0 +1,2 @@
+*.swp
+*.out

README.md

@@ -1,4 +1,9 @@
-# C
+C
+========
+
+## LeetCode Algorithm
+
+- [Solution](https://github.com/TheAlgorithms/C/tree/master/leetcode) for [LeetCode](https://leetcode.com/problemset/all/)
 
 ## Computer Oriented Statistical Methods
 	- Gauss_Elimination
@@ -21,34 +26,45 @@
 	- stack
 	- queue
 	- dictionary
-	linked_list
+	- linked_list
 		- singly_link_list_deletion
 		- stack_using_linkedlists
-	binary_trees
+	- binary_trees
 		- create_node
 		- recursive_traversals
-	trie
+	- trie
 		- trie
 
 
 ## Searching
+	- Linear_Search
 	- Binary_Search
 	- Other_Binary_Search
 	- Jump_Search
+	- Fibonacci_Search
+	- Interpolation_Search
+	- Modified_Binary_Search
 
 
 ## Sorting
 	- BinaryInsertionSort
 	- BubbleSort
+	- BucketSort
 	- BogoSort
+	- comb_sort
+	- CountingSort
+	- gnome_sort
+	- PartitionSort
+	- ShellSort
+	- RadixSort
 	- InsertionSort
 	- MergeSort
 	- OtherBubbleSort
 	- QuickSort
 	- SelectionSort
 	- ShakerSort
 	- HeapSort
-	
+
 ## Hashing
 	- sdbm
 	- djb2
@@ -71,6 +87,15 @@
 	- Sudoku Solver
 	- prime factorization
 
+## Project Euler
+	- Problem 1
+	- Problem 2
+	- Problem 3
+	- Problem 4
+	- Problem 5
+	- Problem 6
+	- Problem 7
+
 
 ## exercism
 In this directory you will find (in the right order):
@@ -80,3 +105,9 @@ In this directory you will find (in the right order):
 * word-count
 * rna-transcription
 
+## Simple Client Server Implementation
+This directory contains
+* client.c
+* server.c
+
+First execute server.c in a terminal and then client.c in a different terminal. Enables communication between two terminals.

Simple Client Server/client.c

@@ -0,0 +1,66 @@
+
+// Write CPP code here 
+#include <netdb.h> 
+#include <stdio.h> 
+#include <stdlib.h> 
+#include <unistd.h>
+#include <string.h> 
+#include <sys/socket.h> 
+#define MAX 80 
+#define PORT 8080 
+#define SA struct sockaddr 
+void func(int sockfd) 
+{ 
+    char buff[MAX]; 
+    int n; 
+    for (;;) { 
+        bzero(buff, sizeof(buff)); 
+        printf("Enter the string : "); 
+        n = 0; 
+        while ((buff[n++] = getchar()) != '\n') 
+            ; 
+        write(sockfd, buff, sizeof(buff)); 
+        bzero(buff, sizeof(buff)); 
+        read(sockfd, buff, sizeof(buff)); 
+        printf("From Server : %s", buff); 
+        if ((strncmp(buff, "exit", 4)) == 0) { 
+            printf("Client Exit...\n"); 
+            break; 
+        } 
+    } 
+} 
+
+int main() 
+{ 
+    int sockfd, connfd; 
+    struct sockaddr_in servaddr, cli; 
+
+    // socket create and varification 
+    sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+    if (sockfd == -1) { 
+        printf("socket creation failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully created..\n"); 
+    bzero(&servaddr, sizeof(servaddr)); 
+
+    // assign IP, PORT 
+    servaddr.sin_family = AF_INET; 
+    servaddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 
+    servaddr.sin_port = htons(PORT); 
+
+    // connect the client socket to server socket 
+    if (connect(sockfd, (SA*)&servaddr, sizeof(servaddr)) != 0) { 
+        printf("connection with the server failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("connected to the server..\n"); 
+
+    // function for chat 
+    func(sockfd); 
+
+    // close the socket 
+    close(sockfd); 
+} 

Simple Client Server/server.c

@@ -0,0 +1,96 @@
+
+#include <netdb.h> 
+#include <netinet/in.h> 
+#include <stdlib.h> 
+#include <string.h> 
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/socket.h> 
+#include <sys/types.h> 
+#define MAX 80 
+#define PORT 8080 
+#define SA struct sockaddr 
+
+// Function designed for chat between client and server. 
+void func(int sockfd) 
+{ 
+    char buff[MAX]; 
+    int n; 
+    // infinite loop for chat 
+    for (;;) { 
+        bzero(buff, MAX); 
+
+        // read the message from client and copy it in buffer 
+        read(sockfd, buff, sizeof(buff)); 
+        // print buffer which contains the client contents 
+        printf("From client: %s\t To client : ", buff); 
+        bzero(buff, MAX); 
+        n = 0; 
+        // copy server message in the buffer 
+        while ((buff[n++] = getchar()) != '\n') 
+            ; 
+
+        // and send that buffer to client 
+        write(sockfd, buff, sizeof(buff)); 
+
+        // if msg contains "Exit" then server exit and chat ended. 
+        if (strncmp("exit", buff, 4) == 0) { 
+            printf("Server Exit...\n"); 
+            break; 
+        } 
+    } 
+} 
+
+// Driver function 
+int main() 
+{ 
+    int sockfd, connfd, len; 
+    struct sockaddr_in servaddr, cli; 
+
+    // socket create and verification 
+    sockfd = socket(AF_INET, SOCK_STREAM, 0); 
+    if (sockfd == -1) { 
+        printf("socket creation failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully created..\n"); 
+    bzero(&servaddr, sizeof(servaddr)); 
+
+    // assign IP, PORT 
+    servaddr.sin_family = AF_INET; 
+    servaddr.sin_addr.s_addr = htonl(INADDR_ANY); 
+    servaddr.sin_port = htons(PORT); 
+
+    // Binding newly created socket to given IP and verification 
+    if ((bind(sockfd, (SA*)&servaddr, sizeof(servaddr))) != 0) { 
+        printf("socket bind failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Socket successfully binded..\n"); 
+
+    // Now server is ready to listen and verification 
+    if ((listen(sockfd, 5)) != 0) { 
+        printf("Listen failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("Server listening..\n"); 
+    len = sizeof(cli); 
+
+    // Accept the data packet from client and verification 
+    connfd = accept(sockfd, (SA*)&cli, &len); 
+    if (connfd < 0) { 
+        printf("server acccept failed...\n"); 
+        exit(0); 
+    } 
+    else
+        printf("server acccept the client...\n"); 
+
+    // Function for chatting between client and server 
+    func(connfd); 
+
+    // After chatting close the socket 
+    close(sockfd); 
+} 

conversions/toDecimal.c

@@ -25,8 +25,10 @@ int main(void) {
 		else
 			number[i] = base + 1;
 
-		if (number[i] > base)
+		if (number[i] >= base){
 			printf("invalid number\n");
+			return 0;
+		}
 	}
 
 	for (j = 0; j < i; j++) {