Если это (2) значит в степени, то 100011: 111=901 901*901=811801
Alekseevich_Elena
16.08.2021
Const n=10; var a,b: array[1..n] of integer; i,j,c: integer; begin writeln('исходный массив: '); for i: =1 to n do begin a[i]: =random(51)-25; write(a[i]: 4); end; writeln; j: =0; for i: =1 to n do begin c: =abs(a[i]) mod 10; if (c=3)or(c=7)or(c=9) then begin j: =j+1; b[j]: =a[i]; end; end; writeln('полученный массив: '); for i: =1 to j do write(b[i]: 4); writeln; end. пример: исходный массив: 17 6 15 -23 19 -5 -12 -14 5 20 полученный массив: 17 -23 19
savva-vika
16.08.2021
//4) var x1, y1, x2, y2, x3, y3, x4, y4: integer; s, sc: real; function linelength(x1, y1, x2, y2: integer): real; begin linelength : = sqrt(sqr(x2 - x1) + sqr(y2 - y1)); end; procedure ger(a, b, c: real); var p: real; begin p : = (a + b + c) / 2; sc : = sqrt(p * (p - a) * (p - b) * (p - c)); end; begin write('1: '); readln(x1, y1); write('2: '); readln(x2, y2); write('3: '); readln(x3, y3); write('4: '); readln(x4, y4); ger(linelength(x1, y1, x2, y2), linelength(x2, y2, x3, y3), linelength(x1, y1, x3, y3)); s : = s + sc; ger(linelength(x1, y1, x4, y4), linelength(x4, y4, x3, y3), linelength(x1, y1, x3, y3)); s : = s + sc; writeln(s); end. //3) var a, b, c: integer; function sce(var a: integer): integer; var sc, c: integer; begin while a < > 0 do begin c : = a mod 10; a : = a div 10; sc : = sc + c; end; sce : = sc; end; begin read(a, b, c); if (sce(a) > sce(b)) and (sce(a) > sce(c)) then writeln(a) else if (sce(b) > sce(a)) and (sce(b) > sce(c)) then writeln(b) else if (sce(c) > sce(a)) and (sce(c) > sce(b)) then writeln(c) else if (sce(c) = sce(a)) and (sce(a) = sce(b)) then writeln('равны'); end.