const n=5; var a:array[1..n,1..n] of integer; x:array[1..n] of double; i,j,k:byte; begin Randomize; Writeln('*** Исходный массив ***'); for i:=1 to n do begin for j:=1 to n do begin a[i,j]:=Random(51)-25; Write(a[i,j]:4) end; Writeln end; Writeln('*** Массив x ***'); for j:=1 to n do begin x[j]:=0; k:=0; for i:=1 to n do if a[i,j] mod 2=0 then begin x[j]:=x[j]+a[i,j]; Inc(k) end; if k>0 then x[j]:=x[j]/k; Write(x[j]:0:5,' ') end; Writeln end.
const
n=5;
var
a:array[1..n,1..n] of integer;
x:array[1..n] of double;
i,j,k:byte;
begin
Randomize;
Writeln('*** Исходный массив ***');
for i:=1 to n do begin
for j:=1 to n do begin
a[i,j]:=Random(51)-25;
Write(a[i,j]:4)
end;
Writeln
end;
Writeln('*** Массив x ***');
for j:=1 to n do begin
x[j]:=0; k:=0;
for i:=1 to n do
if a[i,j] mod 2=0 then begin
x[j]:=x[j]+a[i,j]; Inc(k)
end;
if k>0 then x[j]:=x[j]/k;
Write(x[j]:0:5,' ')
end;
Writeln
end.
Тестовое решение:
*** Исходный массив ***
-10 18 -8 -15 5
-21 -18 6 -2 9
-7 22 -4 3 14
21 16 -10 -18 -9
17 3 -14 -18 12
*** Массив x ***
-10.00000 9.50000 -6.00000 -12.66667 13.00000
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); }