1)
Program Pr1;
uses crt;
var stroka:string;
a:integer;
Begin
clrscr;
writeln('Vvedite chislo');
readln(stroka);
a:=length(stroka);
a:=Trunc(a/2)+1;
writeln(a);
end.
2)
Program Pr1;
uses crt;
var stroka:string;
a,i:integer;
Begin
clrscr;
writeln('Vvedite stroku');
readln(stroka);
a:=0;
for i:=1 to length(stroka) do if stroka[i]=',' then a:=a+1;
writeln(a);
end.
3)
Program Pr1;
uses crt;
var stroka:string;
a,i:integer;
c:char;
Begin
clrscr;
writeln('Vvedite stroku');
readln(stroka);
writeln('Vvedite simvol');
readln(c);
a:=0;
for i:=1 to length(stroka) do if stroka[i]=c then break
else a:=a+1;
writeln(a);
end.
4)
Program Pr1;
uses crt;
var stroka:string;
procedure word9(strokk:string);
var i:integer;
tmp:string;
begin
for i:=1 to length(stroka) do if (stroka[i]=' ') or (stroka[i]='.') then begin
writeln(tmp,' ',length(tmp));
tmp:='';
end
else tmp:=tmp+stroka[i];
end;
Begin
clrscr;
writeln('Vvedite predlogenie');
readln(stroka);
word9(stroka);
end.
6)
Program Pr1;
uses crt;
var stroka:string;
a,i:integer;
Begin
clrscr;
a:=0;
readln(stroka);
for i:=1 to length(stroka) do if stroka[i] in ['A'..'z'] then a:=a+1;
writeln(a);
end.
7)
Program Pr1;
uses crt;
var stroka:string;
procedure word8(strokk:string);
var i:integer;
begin
for i:=1 to length(strokk) do if strokk[i]=' ' then strokk[i]:='_';
writeln(strokk);
end;
Begin
clrscr;
readln(stroka);
word8(stroka);
end.
8)
Program Pr1;
uses crt;
var stroka,tmp:string;
i,a:integer;
Begin
clrscr;
readln(stroka);
tmp:='';
a:=0;
for i:=1 to length(stroka) do if (stroka[i]=' ') or (stroka[i]='.') then begin
a:=a+1;
writeln(tmp,' ',a);
tmp:='';
end
else tmp:=tmp+stroka[i];
end.
9)
Program Pr1;
uses crt;
var stroka:string;
procedure word7(strokk:string);
var c:char;
i,a:integer;
begin
a:=0;
for i:=1 to length(strokk) div 2 do begin
c:=strokk[i];
strokk[i]:=strokk[length(strokk)-a];
strokk[length(strokk)-a]:=c;
a:=a+1;
end;
writeln();
for i:=1 to length(strokk) do write(strokk[i]);
end;
begin
clrscr;
readln(stroka);
word7(stroka);
end.
10)
Program Pr1;
uses crt;
var stroka,tmp:string;
i,b:integer;
begin
clrscr;
readln(stroka);
stroka[1]:='*';
for i:=1 to length(stroka) do if stroka[i]=' ' then for b:=i to length(stroka) do if stroka[b] in ['A'..'я'] then begin
stroka[b]:='*';
break;
end;
writeln(stroka);
end.
11)
Program Pr1;
uses crt;
var stroka:string;
i,b:integer;
begin
clrscr;
readln(stroka);
b:=0;
for i:=1 to length(stroka) do if (stroka[i]='А') or (stroka[i]='а') or (stroka[i]='О') or (stroka[i]='о') then b:=b+1;
writeln(b);
end.
using namespace std;
struct Treugolnik
{
int x1, y1;
int x2, y2;
int x3, y3;
};
int main()
{
Treugolnik a1;
cin >> a1.x1;
cin >> a1.x2;
cin >> a1.x3;
cin >> a1.y1;
cin >> a1.y2;
cin >> a1.y3;
float S, P, h,p;
P = sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2))+sqrt(pow(a1.x3 - a1.x2, 2) + pow(a1.y3 - a1.y2, 2))+ sqrt(pow(a1.x3 - a1.x1, 2) + pow(a1.y3 - a1.y1, 2));
p = 0.5*(sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2)) + sqrt(pow(a1.x3 - a1.x2, 2) + pow(a1.y3 - a1.y2, 2)) + sqrt(pow(a1.x3 - a1.x1, 2) + pow(a1.y3 - a1.y1, 2)));
S = sqrt(p*(p - sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2*(p - sqrt(pow(a1.x3 - a1.x2, 2) + pow(a1.y3 - a1.y2, 2)))*(p - sqrt(pow(a1.x3 - a1.x1, 2) + pow(a1.y3 - a1.y1, 2)));
h = 2 * S / sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2)); только к одной стороне
if (sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2)) == sqrt(pow(a1.x3 - a1.x2, 2) + pow(a1.y3 - a1.y2, 2)) == sqrt(pow(a1.x3 - a1.x1, 2) + pow(a1.y3 - a1.y1, 2)))
cout << "ранвостронний";
if (pow(sqrt(pow(a1.x2 - a1.x1, 2) + pow(a1.y2 - a1.y1, 2)), 2)+pow(sqrt(pow(a1.x3 - a1.x2, 2) + pow(a1.y3 - a1.y2, 2)),2)==pow(sqrt(pow(a1.x3 - a1.x1, 2) + pow(a1.y3 - a1.y1, 2)),2));
cout << "прямоугольный";
cout << S;
cout << h;
cout << P;
return 0;
}