C++ Developer Tools

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Code Editor

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
using namespace std;

// Calculate fibonacci number
int fibonacci(int n) {
    if (n <= 1) return n;
    return fibonacci(n-1) + fibonacci(n-2);
}

// Class definition
class Calculator {
private:
    double result;
public:
    Calculator() : result(0) {}
    
    double add(double a, double b) {
        result = a + b;
        return result;
    }
    
    double multiply(double a,double b){
        result=a*b;
        return result;
    }
    
    void printResult() {
        cout << "Result: " << result << endl;
    }
};

int main() {
    Calculator calc;
    cout << calc.add(5, 3) << endl;
    cout << calc.multiply(4, 7) << endl;
    
    vector<int> numbers = {5, 2, 8, 1, 9};
    sort(numbers.begin(), numbers.end());
    
    for(int num : numbers) {
        cout << num << " ";
    }
    cout << endl;
    
    // Calculate fibonacci
    for(int i = 0; i < 10; i++) {
        cout << fibonacci(i) << " ";
    }
    
    return 0;
}

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