Измените код Java на C++
Привет Я закодировал класс java, теперь мне нужно изменить его на код C++, но я не эксперт в C++. Может ли какой-нибудь орган изменить код на C++ для меня?
плз, мне это нужно!!
public class Polynomial { private int[] coef; // coefficients private int deg; // degree of polynomial (0 for the zero polynomial) // a * x^b public Polynomial(int a, int b) { coef = new int[b+1]; coef[b] = a; deg = degree(); } // return the degree of this polynomial (0 for the zero polynomial) public int degree() { int d = 0; for (int i = 0; i < coef.length; i++) if (coef[i] != 0) d = i; return d; } // return c = a + b public Polynomial plus(Polynomial b) { Polynomial a = this; Polynomial c = new Polynomial(0, Math.max(a.deg, b.deg)); for (int i = 0; i <= a.deg; i++) c.coef[i] += a.coef[i]; for (int i = 0; i <= b.deg; i++) c.coef[i] += b.coef[i]; c.deg = c.degree(); return c; } // return (a - b) public Polynomial minus(Polynomial b) { Polynomial a = this; Polynomial c = new Polynomial(0, Math.max(a.deg, b.deg)); for (int i = 0; i <= a.deg; i++) c.coef[i] += a.coef[i]; for (int i = 0; i <= b.deg; i++) c.coef[i] -= b.coef[i]; c.deg = c.degree(); return c; } // return (a * b) public Polynomial times(Polynomial b) { Polynomial a = this; Polynomial c = new Polynomial(0, a.deg + b.deg); for (int i = 0; i <= a.deg; i++) for (int j = 0; j <= b.deg; j++) c.coef[i+j] += (a.coef[i] * b.coef[j]); c.deg = c.degree(); return c; } // return a(b(x)) - compute using Horner's method public Polynomial compose(Polynomial b) { Polynomial a = this; Polynomial c = new Polynomial(0, 0); for (int i = a.deg; i >= 0; i--) { Polynomial term = new Polynomial(a.coef[i], 0); c = term.plus(b.times(c)); } return c; } // do a and b represent the same polynomial? public boolean eq(Polynomial b) { Polynomial a = this; if (a.deg != b.deg) return false; for (int i = a.deg; i >= 0; i--) if (a.coef[i] != b.coef[i]) return false; return true; } // use Horner's method to compute and return the polynomial evaluated at x public int evaluate(int x) { int p = 0; for (int i = deg; i >= 0; i--) p = coef[i] + (x * p); return p; } // differentiate this polynomial and return it public Polynomial differentiate() { if (deg == 0) return new Polynomial(0, 0); Polynomial deriv = new Polynomial(0, deg - 1); deriv.deg = deg - 1; for (int i = 0; i < deg; i++) deriv.coef[i] = (i + 1) * coef[i + 1]; return deriv; } // convert to string representation public String toString() { if (deg == 0) return "" + coef[0]; if (deg == 1) return coef[1] + "x + " + coef[0]; String s = coef[deg] + "x^" + deg; for (int i = deg-1; i >= 0; i--) { if (coef[i] == 0) continue; else if (coef[i] > 0) s = s + " + " + ( coef[i]); else if (coef[i] < 0) s = s + " - " + (-coef[i]); if (i == 1) s = s + "x"; else if (i > 1) s = s + "x^" + i; } return s; } // test client public static void main(String[] args) { Polynomial zero = new Polynomial(0, 0); Polynomial p1 = new Polynomial(4, 3); Polynomial p2 = new Polynomial(3, 2); Polynomial p3 = new Polynomial(1, 0); Polynomial p4 = new Polynomial(2, 1); Polynomial p = p1.plus(p2).plus(p3).plus(p4); // 4x^3 + 3x^2 + 1 Polynomial q1 = new Polynomial(3, 2); Polynomial q2 = new Polynomial(5, 0); Polynomial q = q1.plus(q2); // 3x^2 + 5 Polynomial r = p.plus(q); Polynomial s = p.times(q); Polynomial t = p.compose(q); System.out.println("zero(x) = " + zero); System.out.println("p(x) = " + p); System.out.println("q(x) = " + q); System.out.println("p(x) + q(x) = " + r); System.out.println("p(x) * q(x) = " + s); System.out.println("p(q(x)) = " + t); System.out.println("0 - p(x) = " + zero.minus(p)); System.out.println("p(3) = " + p.evaluate(3)); System.out.println("p'(x) = " + p.differentiate()); System.out.println("p''(x) = " + p.differentiate().differentiate()); } }