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OPERACIJ.PAS
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{MK 2001}
{722 is uzdavinyno}
PROGRAM skaiciai;
const kiek = 6;
skaic : array [1 .. kiek] of integer = (1, 2, 3, 4, 5, 6);
var galutinis : integer;
senas : string;
procedure suma (sk : integer; ats : string; var senas : string); forward;
procedure skirtumas (sk : integer; ats : string; var senas : string); forward;
procedure dalyba (sk : integer; ats : string; var senas : string); forward;
procedure daugyba (sk : integer; ats : string; var senas : string);
begin
if length (ats) = kiek - 1 then
begin
if (sk = galutinis) and (ats <> senas) then
begin
senas := ats;
writeln ('((((', skaic [1], ats [1], skaic [2], ')', ats [2], skaic [3], ')', ats [3], skaic [4], ')',
ats [4], skaic [5], ')', ats [5], skaic [6], '=', galutinis)
end
end
else begin
ats := ats + '*';
sk := sk * skaic [length (ats) + 1];
daugyba (sk, ats, senas);
dalyba (sk, ats, senas);
suma (sk, ats, senas);
skirtumas (sk, ats, senas);
end;
end;
procedure Dalyba (sk : integer; ats : string; var senas : string);
begin
if length (ats) = kiek - 1 then
begin
if (sk = galutinis) and (ats <> senas) then
begin
senas := ats;
writeln ('((((', skaic [1], ats [1], skaic [2], ')', ats [2], skaic [3], ')', ats [3], skaic [4], ')',
ats [4], skaic [5], ')', ats [5], skaic [6], '=', galutinis)
end;
end
else begin
ats := ats + '/';
sk := sk div skaic [length (ats) + 1];
dalyba (sk, ats, senas);
daugyba (sk, ats, senas);
suma (sk, ats, senas);
skirtumas (sk, ats, senas);
end;
end;
procedure suma (sk : integer; ats : string; var senas : string);
begin
if length (ats) = kiek - 1 then
begin
if (sk = galutinis) and (ats <> senas) then
begin
senas := ats;
writeln ('((((', skaic [1], ats [1], skaic [2], ')', ats [2], skaic [3], ')', ats [3], skaic [4], ')',
ats [4], skaic [5], ')', ats [5], skaic [6], '=', galutinis)
end;
end
else begin
ats := ats + '+';
sk := sk + skaic [length (ats) + 1];
suma (sk, ats, senas);
daugyba (sk, ats, senas);
dalyba (sk, ats, senas);
skirtumas (sk, ats, senas);
end;
end;
procedure skirtumas (sk : integer; ats : string; var senas : string);
begin
if length (ats) = kiek - 1 then
begin
if (sk = galutinis) and (ats <> senas) then
begin
senas := ats;
writeln ('((((', skaic [1], ats [1], skaic [2], ')', ats [2], skaic [3], ')', ats [3], skaic [4], ')',
ats [4], skaic [5], ')', ats [5], skaic [6], '=', galutinis)
end;
end
else begin
ats := ats + '-';
sk := sk - skaic [length (ats) + 1];
skirtumas (sk, ats, senas);
daugyba (sk, ats, senas);
dalyba (sk, ats, senas);
suma (sk, ats, senas);
end;
end;
begin
senas := '';
galutinis := 35;
writeln;
writeln ('******SPRENDIMAS******');
daugyba (skaic [1], '', senas);
dalyba (skaic [1], '', senas);
suma (skaic [1], '', senas);
skirtumas (skaic [1], '', senas);
writeln ('**********************');
end.