In Python, Tokenizing and Comparing Strings
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In Python, Scramble String And Check If Two Strings Are Anagram
from random import shuffle def scramble_letters(txt): chars = list(txt) shuffle(chars) return ''.join(chars) def is_anagram(s1, s2): return ''.join(sorted(list(s1))) == ''.join(sorted(list(s2)))
In Java, Recursively Count Upper Case Characters
import java.util.Scanner; public class Test2{ private static int upCount(String line, int pos){ char c = line.charAt(pos); int n = ('A' <= c && 'Z' >= c) ? 1 : 0; if(line.length()-1 > pos){ n += upCount(line, pos+1); } return n; } public static void main(String[]args){ Scanner in = new Scanner(System.in); System.out.print("Enter string: "); String line = in.nextLine(); System.out.printf("No# of upper case: %d\n", upCount(line, 0)); } } Download
In Java, Multiple String Operations With Single Scanner Object
Problem Statement: Write a method named site. This method accepts the Scanner object as its parameter. This method reads a commercial website URL that starts with www and ends with .edu or .com. This method retrieves the name of the site and outputs the site without the www prefix and the domain suffix. If the user enters www.yahoo.com then this method outputs yahoo. Write a method called decrypt that accepts a Scanner object as its parameter. this method reads an encrypted word and then decrypts the word. Here is the decryption algorithm: only the even numbered characters should be counted as the part of the word. Other characters should be discarded. For example if the user enters: hwealxlaod then the decrypted word is HELLO. Pay attention that the decrypted word is all in capital letters. Write a method called reverse that accepts the Scanner object as its parameter. This method asks the user for the entire name and prints the name in the reverse order. You must only use nextL...
In Java, Sorted ArrayList Of Names In Title Case
import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class Main{ static List<String> personNames = new ArrayList<String>(); public static void main(String args[]){ Scanner scanner = new Scanner(System.in); String inputName; while (true){ System.out.println("Enter the next name:"); inputName = scanner.nextLine().trim(); if (inputName.toLowerCase().equals("end")){ break; } else { insertionSort(titleCase(inputName)); } } System.out.println(personNames.toString()); } /** * * It converts the given sting in titleCase. * * @param name * * @return * */ public static String titleCase(String name){ final char[]all = name.toCharArray(); StringBuilder s1 = new StringBuilder(all.length); boolean caps = true; for(char c : all){ if(Character.isSpaceChar(c)){ caps = true; } else if(caps){ c = Character.toUpperCase(c); caps = false; ...
In C++/Cpp, Split Full Name Into First, Middle And Last Name.
#include<iostream> #include<string> using namespace std; void lastFirstMiddle(string full, string &first, string &middle, string &last){ size_t pos = full.find(','); last = full.substr(0, pos); full = full.substr(pos+2); pos = full.find(' '); first = full.substr(0, pos); middle = full.substr(pos+1); } void firstMiddleLast(string full, string &first, string &middle, string &last){ size_t pos = full.find(' '); first = full.substr(0, pos); full = full.substr(pos+1); pos = full.find(' '); middle = full.substr(0, pos); last = full.substr(pos+1); } int main(){ string full, first, middle, last; while(1){ cout << "Enter a full name: "; if(!(getline(cin,full))){ break; } if(string::npos == full.find(',')){ firstMiddleLast(full, first, middle, last); } else { lastFirstMiddle(full, first, middle, last); } cout << " " << "First name: ...
In C++, Transform String Filled With Asterisks In Between
#include<iostream> using namespace std; int main(){ const int MAX_INPUT = 20; const char EOC = '\0'; char name[2 * MAX_INPUT]; cout << "Enter name: "; cin.getline(name, MAX_INPUT); int i; for(i = 0; i < MAX_INPUT && EOC != name[i]; i++); int j = (i * 2)-1; i --; name[j--] = EOC; while(i){ name[j--] = name[i--]; name[j--] = '*'; } cout << name << endl; return 0; } Download
With C++, Lookup Contacts For Given Partial Name
#include<iostream> #include<cstring> using namespace std; int main() { const int LENGTH = 30; char contacts [][LENGTH] = {"Renee Javens, 678-1223", "Joe Looney, 586-0097", "Geri Palmer, 223-8787","Lynn Presnell, 887-1212", "Bill Wolfe, 223-8878", "Same Wiggins, 486-0998", "Bob Kain, 586-8712", "Tim Haynes, 586-7676", "John Johnson, 2223-9037", "Jean James, 678-4939", "Ron Palmer, 486-2783"}; const int SIZE = sizeof(contacts)/sizeof(contacts[0]); char search[LENGTH] = {""}; char repeat = 'y', found; int i; do{ cout << endl << "Search contacts: "; cin >> search; i = SIZE; found = 0; while(0 <= i){ if(strstr(contacts[i], search)){ found = 1; cout << "Found contact: " << contacts[i] << endl; } i --; } if(!found){ cout << "No...
Counting vowels in a string with C Sharp
using System; public class CountVowels{ public static void Main(string[]args){ Console.Write("Enter a phrase: "); string line = Console.ReadLine(); if(null == line){ Console.WriteLine("\nError: Missing input phrase!"); return; } int vowels = 0; foreach(char c in line){ switch(c){ case 'a': case 'e': case 'i': case 'o': case 'u': case 'A': case 'E': case 'I': case 'O': case 'U': vowels ++; break; } } Console.WriteLine("{0} vowels found in phrase: \"{1}\"", vowels, line); } } Download
Palindrome example with C programming
#include<stdio.h> char lower(char c){ if('A' <= c && 'Z' >= c) return (c + 32); return c; } int alpha(char c){ c = lower(c); return (('a' <= c && 'z' >= c)); } int palindrome(char *str){ char *head = str, *tail = str; while(*tail) tail ++; tail --; while(head <= tail){ if(!alpha(*head)){ head ++; continue; } if(!alpha(*tail)){ tail --; continue; } if(lower(*head) != lower(*tail)) break; head ++; tail --; } return (tail < head); } void main(){ char sentence[200]; printf("Enter a message: "); fflush(stdin); gets(sentence); if(palindrome(sentence)){ printf("Palindrome\n"); return; } printf("Not a palindrome\n"); } Download
How to print reverse string in Java recursively?
public class Reverse{ public static void main(String[]args){ doubleReverse("Java"); } public static void doubleReverse(String s){ int l = 0; if(null == s || 0 == (l = s.length())) return; char c = s.charAt(--l); System.out.printf("%c%c", c, c); s = s.substring(0,l); doubleReverse(s); } } Download
How to find unique words using python programming?
words = list() print('Enter words:') while True: word = input().strip().lower() if 0 == len(word): break if word not in words: words.append(word) if words: print('Unique words given:') for word in words: print(word) else: print('No words given') Download
Cpp/C++ read grades from file and show average grades per student
Download code here main.cpp #include<iostream> #include<fstream> #include<iomanip> using namespace std; int readFile(const string &fileName, int studentId[], double grades[], int maxGrades); double minimumGrade(const double grades[], int numberGrades); void displayForStudent(int id, const int studentId[], const double grades[], int numberGrades); void displayReverse(const int studentId[], const double grades[], int numberGrades); double maximumGrade(const double grades[], int numberGrades); double averageGrade(const double grades[], int numberGrades); int main(){ const int max = 20; int studentId[max]; double grades[max]; string fileName; int count; int i; do{ cout << "Enter the file name to read or hit enter to exit" << endl; if(!getline(cin,fileName) || 0 == fileName.size()){ break; } count = readFile(fileName, studentId, grades, max); cout << "The...
