chore: delete duplicate code

strings/c-or-cpp/strtok.cpp

@@ -1,82 +0,0 @@
-#include <iostream>
-#include <string>
-#include <chrono>
-
-using namespace std;
-
-char* mystrtok(char* s, char d)
-{
-    // Stores the state of string
-    static char* input = NULL;
-
-    // Initialize the input string
-    if (s != NULL)
-        input = s;
-
-    // Case for final token
-    if (input == NULL)
-        return NULL;
-
-    // Stores the extracted string
-    char* result = new char[strlen(input) + 1];
-    int i = 0;
-
-    // Start extracting string and
-    // store it in array
-    for (; input[i] != '\0'; i++) {
-        // If delimeter is not reached
-        // then add the current character
-        // to result[i]
-        if (input[i] != d)
-            result[i] = input[i];
-
-        // Else store the string formed
-        else {
-            result[i] = '\0';
-            input = input + i + 1;	// +1 for adding the delimiter
-            return result;
-        }
-    }
-
-    // Case when loop ends
-	// add '\0' to the last token and return.
-    result[i] = '\0';
-    input = NULL;
-
-    // Return the resultant pointer
-    // to the string
-    return result;
-}
-
-// Driver Code
-int main()
-{
-    // Given string str
-	cout<<"Enter the string.\n";
-	string inputString;
-	char delimiter;
-	getline(cin, inputString);
-	cout<<"Enter the delimiter token character.\n";
-	cin>>delimiter;
-	int n=inputString.length();
-	char str[n+1];
-	strcpy(str, inputString.c_str());
-
-    // Tokenize the first string
-	cout<<"The tokenized string is...\n";
-    char* ptr = mystrtok(str, delimiter);
-
-    // Print current tokenized string
-    cout << ptr << endl;
-
-    // While ptr is not NULL
-    while (ptr != NULL) {
-        // Tokenize the string
-        ptr = mystrtok(NULL, delimiter);
-
-		if(ptr)
-        	// Print the string
-        	cout << ptr << endl;
-    }
-    return 0;
-}