1) var a, b: array [1..10] of integer; i, sum: integer; begin sum := 0; for i := 1 to 10 do b[i] := 0; for i := 1 to 10 do begin read(a[i]); if a[i] < 0 then begin sum := sum + 1; b[i] := i; end; end; writeln('Amount of negative numbers: ', sum); for i := 1 to 10 do if b[i] <> 0 then write(b[i], ' '); end.
2) var a: array [1..10] of integer; i: integer; flag: boolean; begin flag := false; randomize; for i := 1 to 10 do begin a[i] := random(10); if a[i] = 5 then flag := true; end; for i := 1 to 10 do write(a[i], ' '); if flag then writeln('YES') else writeln('NO'); end.
3) var a: array [1..10] of integer; i, ind, odd: integer; begin randomize; ind := 0; for i := 1 to 10 do begin a[i] := random(10); if a[i] mod 2 <> 0 then begin ind := i; odd := a[i]; end; end; for i := 1 to 10 do write(a[i], ' '); if ind <> 0 then writeln(a[ind], ' ', ind) else writeln('Array has no odd elements'); end.
4) var a: array [1..10] of integer; i: integer; begin writeln; randomize; for i := 1 to 10 do begin a[i] := random(20); write(a[i], ' '); end; writeln; for i := 1 to 10 do if (a[i] < 15) and(a[i] > 5) then write(a[i], ' '); end.
![Потрібно заповнити масив саме так: X = [1, 3, 5, 7, 9, 11]. Який оператор потрібно помістити в тіло](/tpl/images/4400/6329/0d958.jpg)
x[k] = 2*k + 1
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