Var a,b,c,d,e,f,g,x1,x2:real; begin Write('Введите значения e,f,g: '); Readln(e,f,g); a:=sqrt(abs(sqr(e)-g)/3); Writeln('a= ',a:0:5); b:=abs((e-f)/7); b:=b*sqr(b)-cos(g); Writeln('b= ',b:0:5); c:=f*sqr(f)-g/17; Writeln('c= ',c:0:5); d:=sqr(b)-4*a*c; if d<0 then Writeln('Действителных корней нет') else if d=0 then begin x1:=(-b-sqrt(d))/(2*a); x2:=x1; Writeln('x1=x2= ',x1:0:5) end else begin x1:=(-b-sqrt(d))/(2*a); x2:=(-b+sqrt(d))/(2*a); Writeln('x1= ',x1:0:5,', x2= ',x2:0:5) end end.
a,b,c,d,e,f,g,x1,x2:real;
begin
Write('Введите значения e,f,g: '); Readln(e,f,g);
a:=sqrt(abs(sqr(e)-g)/3); Writeln('a= ',a:0:5);
b:=abs((e-f)/7); b:=b*sqr(b)-cos(g); Writeln('b= ',b:0:5);
c:=f*sqr(f)-g/17; Writeln('c= ',c:0:5);
d:=sqr(b)-4*a*c;
if d<0 then Writeln('Действителных корней нет')
else
if d=0 then begin
x1:=(-b-sqrt(d))/(2*a); x2:=x1;
Writeln('x1=x2= ',x1:0:5)
end
else begin
x1:=(-b-sqrt(d))/(2*a); x2:=(-b+sqrt(d))/(2*a);
Writeln('x1= ',x1:0:5,', x2= ',x2:0:5)
end
end.
Тестовое решение:
Введите значения e,f,g: 2 -3 -3
a= 1.52753
b= 1.35442
c= -26.82353
x1= -4.65721, x2= 3.77053
С++20
#include <iostream>#include <vector>class Point {public: int x, y; Point() = default; Point(const Point &) = default; Point(int _x, int _y) : x(_x), y(_y) {} Point operator + (const Point& p) const { return Point {x + p.x, y + p.y}; } Point operator - (const Point& p) const { return Point {x - p.x, y - p.y}; } std::vector<Point> operator & (const Point& p) const { return std::vector<Point> { Point {x + p.x, y + p.y}, Point {x - p.x, y + p.y}, Point {x + p.x, y - p.y}, Point {x - p.x, y - p.y}, Point {x + p.y, y + p.x}, Point {x - p.y, y + p.x}, Point {x + p.y, y - p.x}, Point {x - p.y, y - p.x}, }; } static Point max (const Point& p1, const Point& p2) { return Point {std::max(p1.x, p2.x), std::max(p1.y, p2.y)}; } static Point min (const Point& p1, const Point& p2) { return Point {std::min(p1.x, p2.x), std::min(p1.y, p2.y)}; } [[nodiscard]] int distance_to_by_ch (const Point & p) const { return std::max(std::abs(p.x - x), std::abs(p.y - y)); } [[nodiscard]] int distance_to_by_m (const Point & p) const { return std::abs(p.x - x) + std::abs(p.y - y); } friend std::ostream &operator << (std::ostream &os, Point const &p) { return os << "(" << p.x << ";" << p.y << ")"; } Point & operator = (const Point &) = default; bool operator == (const Point & p) const { return x == p.x && y == p.y; }};class Horse {public: const Point p; explicit Horse (const Point position) : p(position) { } [[nodiscard]] bool can_I_kill_this_guy (const Point & m) const { auto field = p & Point{2, 3}; return std::find(field.begin(), field.end(), m) != field.end(); }};std::istream &to_number(std::istream &stream) { char ch; do { ch = stream.get(); } while (!isalpha(ch)); if (isupper(ch)) ch -= 16; else ch -= 48; stream.putback(ch); return stream;}int main () { Point horse_p{}, stranger_p{}; std::cin >> horse_p.x >> to_number >> horse_p.y; std::cin >> stranger_p.x >> to_number >> stranger_p.y; Horse jack(horse_p); std::cout << "I am a Horse placed on " << jack.p << ". " << "Can I kill those guy on " << stranger_p << "? " << "-> " << std::boolalpha << jack.can_I_kill_this_guy(stranger_p); }