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const fi='bt1.inp';
fo='bt1.out';
var f1,f2:text;
a,b:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
writeln(f2,'Chu vi la: ',(a+b)*2);
writeln(f2,'Dien tich la: ',a*b);
close(f1);
close(f2);
end.
uses crt;
const fi='data.txt';
var f1:text;
a:array[1..100]of integer;
n,i:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
if a[i] mod 2=0 then write(a[i]:4);
close(f1);
readln;
end.
uses crt;
const fi='mang.inp';
var f1:text;
a:array[1..10000]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[i]);
end;
for i:=1 to n do write(a[i]:4);
close(f1);
readln;
end.
const fi='songuyen.dat';
fo='ketqua.dat';
var f1,f2:text;
a:array[1..100]of integer;
i,n,s,ln:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
s:=1;
ln:=a[1];
for i:=1 to n do
begin
s:=s*a[i];
if ln<a[i] then ln:=a[i];
end;
writeln(f2,s);
writeln(f2,ln);
close(f1);
close(f2);
end.
const fi='hcn.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b:array[1..100]of integer;
n:integer;
cv,dt:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
begin
cv:=(a[i]+b[i])/2;
dt:=a[i]*b[i];
writeln(f2,cv:4:2,' ',dt:4:2);
end;
close(f1);
close(f2);
end.
uses crt;
const fi='songuyen.inp';
fo='songuyen2.out';
var a:array[1..100]of integer;
i,n,t1:integer;
f1,f2:text;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do readln(f1,a[i]);
t1:=0;
for i:=1 to n do if a[i] mod 2<>0 then t1:=t1+a[i];
writeln(t1);
writeln(f2,t1);
for i:=1 to n do
if a[i] mod 2<>0 then write(a[i]:4);
close(f1);
close(f2);
readln;
end.
uses crt;
const fi='so.txt';
fo='am.txt';
var f1,f2:text;
a:array[1..100]of integer;
dem,i,dem1:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
dem:=0;
while not eoln(f1) do
begin
dem:=dem+1;
read(f1,a[dem]);
end;
{--------------------------xu-ly----------------------}
dem1:=0;
for i:=1 to dem do
if a[i]<0 then inc(dem1);
writeln(f2,dem1);
close(f1);
close(f2);
readln;
end.