Const n = 50; // количество чиселvar k: array [1..n] of integer; i, j, n1, n2, minr, a, b: integer; begin writeln(n, ' ', ': d'); a : = random(1000); b : = random(1000); minr : = 10000; for i : = 1 to n do k[i] : = a + random(b); for i : = 1 to n do for j : = 1 to n do if ((abs(k[i] - k[j])) < minr) and (k[i] < > k[j]) then begin minr : = abs(k[i] - k[j]); n1 : = i; n2 : = j; end; writeln(n1, ' ', n2); end.
var
s: string;
i, count: integer;
begin
writeln('Vvedite stroky: ');
readln(s);
for i := 1 to length(s) - 2 do
if copy(s, i, 3) = 'abc' then
count := count + 1;
writeln('Kol-vo: ', count);
end.
2.
var
s1, s2: string;
i, len1, len2: integer;
begin
writeln('Vvedite stroky 1: ');
readln(s1);
writeln('Vvedite stroky 2: ');
readln(s2);
len1 := length(s1);
len2 := length(s2);
if len1 > len2 then writeln('1 stroka dlinnee')
else if len1 < len2 then writeln('2 stroka dlinnee')
else writeln('dlini strok ravnie')
end.
3.
var
s1, s2, s3: string;
begin
writeln('Vvedite stroky 1: ');
readln(s1);
writeln('Vvedite stroky 2: ');
readln(s2);
s3 := s1[1] + s1[2] + s2[1] + s2[2];
writeln('Novaja stroka: ', s3);
end.