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const fi='data.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b,h:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,h);
writeln(f2,0.5*h*(a+b):4:2);
close(f1);
close(f2);
end.
uses crt;
const fi='baitap.txt';
var f1:text;
a,b:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a,b);
writeln('Chu vi la: ',(a+b)*2);
writeln('Dien tich la: ',a*b);
close(f1);
readln;
end.
uses crt;
const fi='baitap.txt';
var f1:text;
a,b:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a,b);
writeln('Chu vi hinh chu nhat la: ',(a+b)*2);
close(f1);
readln;
end.
uses crt;
const fi='dulieu.dat';
var f1:text;
a,b,p,s:array[1..100]of real;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(a[n],b[n]);
end;
for i:=1 to n do
begin
p[i]:=(a[i]+b[i])/2;
s[i]:=a[i]*b[i];
end;
for i:=1 to n do
writeln(p[i]:4:2,' ',s[i]:4:2);
close(f1);
readln;
end.
uses crt;
const fi='canh_ht.int';
var f1:text;
a,b,h,c,d:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
readln(f1,a,b,c,d,h);
writeln(a+b+c+d);
writeln(1/2*h*(a+b):4:2);
close(f1);
readln;
end.
uses crt;
const fi='x.inp';
var f1:text;
a,b:array[1..100]of integer;
i,n:integer;
begin
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
begin
writeln('Chu vi dong ',i,' la: ',(a[i]+b[i])*2);
writeln('Dien tich dong ',i,' la: ',a[i]*b[i]);
end;
close(f1);
readln;
end.
uses crt;
const fi='hcn.dat';
fo='chuvi.out';
var f1,f2:text;
a,b:array[1..100]of integer;
n,i,j:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
writeln(a[i]*b[i]);
for i:=1 to n do
writeln(f2,2*(a[i]+b[i]));
close(f1);
close(f2);
readln;
end.
with open('DULIEU.INP', 'r') as input_file:
p, q = map(int, input_file.readline().strip().split())
chu_vi = 2 * (p + q)
dien_tich = p * q
with open('KETQUA.OUT', 'w') as output_file:
output_file.write(f'Chu vi hinh chu nhat la: {chu_vi}\n')
output_file.write(f'Dien tich hinh chu nhat la: {dien_tich}\n')
Program HOC24;
const fi='Data.txt';
fo='Result.txt';
var f: text;
a,b: integer;
dt,cv: longint;
dc: real;
procedure ip;
begin
assign(f,fi);
reset(f);
readln(f,a);
readln(f,b);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
dt:=a*b;
cv:=(a+b)*2;
dc:=sqrt((a*a)+(b*b));
writeln(f,'Chu vi hinh chu nhat la : ',cv);
writeln(f,'Dien tich cua hinh chu nhat la : ',dt);
write(f,'Chieu dai cua duong cheo la : ',dc:1:2);
close(f);
end;
begin
ip;
out;
end.