vector_todo.cpp

DrAungWinHtut

May 28th, 2025

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#include <iostream>
#include <fstream>
#include <string>
#include<stdlib.h>
#include<vector>
std::vector<std::string> notes; // Vector to store notes
int noteCount = 0;
// Add new note
void addNote() {
std::string note;
std::cout << "Enter new note: ";
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
getline(std::cin, note);
if (note.empty()) {
std::cout << "Note cannot be empty.\n";
return;
}
notes.push_back(note); // Store the note in the vector
noteCount++;
std::cout << "Note added.\n";
}
// Review all notes
void reviewNotes() {
if (noteCount == 0) {
std::cout << "No notes to show.\n";
return;
}
for (int i = 0; i < notes.size(); i++) {
std::cout << i + 1 << ". " << notes[i] << "\n";
}
}
// Edit a note
void editNote() {
reviewNotes();
std::cout << "Enter note number to edit: ";
int index;
std::cin >> index;
if (index < 1 || index > noteCount) {
std::cout << "Invalid note number.\n";
return;
}
std::cout << "Enter new content: ";
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
getline(std::cin, notes[index - 1]);
std::cout << "Note updated.\n";
}
// Delete a note
void deleteNote() {
if (noteCount == 0) {
std::cout << "No notes to delete.\n";
return;
}
reviewNotes();
std::cout << "Enter note number to delete: ";
int index;
std::cin >> index;
if ( index < 1 || index > noteCount) {
std::cout << "Invalid note number.\n";
return;
}
notes.erase(notes.begin() + index - 1); // Remove the note from the vector
noteCount = noteCount - 1;
std::cout << "Note deleted.\n";
}
// Main menu
int main() {
int choice;
do {
system("cls"); // Clear the console
std::cout << "--- NOTE TAKING APP ---\n";
std::cout << "1. New Note\n";
std::cout << "2. Review Notes\n";
std::cout << "3. Edit Note\n";
std::cout << "4. Delete Note\n";
std::cout << "0. Exit\n";
std::cout << "Choose an option: ";
std::cin >> choice;
system("cls"); // Clear the console
switch (choice) {
case 1: addNote(); break;
case 2: reviewNotes(); break;
case 3: editNote(); break;
case 4: deleteNote(); break;
case 0: std::cout << "Goodbye!\n"; break;
default: std::cout << "Invalid choice.\n"; break;
}
system("pause"); // Pause the console to see the output
} while (choice != 0);
return 0;
}

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