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uses crt;
const fi='bt.txt';
fo='soam.txt';
var f1,f2:text;
a:array[1..100]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
begin
if a[i]>0 then writeln('Can bac hai cua ',a[i],' la: ',sqrt(a[i]):4:2)
else if a[i]<0 then write(f2,a[i]:4);
end;
close(f1);
close(f2);
readln;
end.
const fi='bt.txt';
fo='kt.txt';
var f1,f2:text;
a,b,c,tbc:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,c);
tbc:=(a+b+c)/3;
writeln(f2,tbc:4:2);
close(f1);
close(f2);
end.
const fi='hinhtron.inp';
fo='hinhtron.out';
var f1,f2:text;
a:array[1..100]of real;
i,n:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
for i:=1 to n do
writeln(f2,'Hinh tron thu ',i,': Chu vi la ',(2*a[n]*pi):4:2,' va Dien tich la: ',a[n]*a[n]*pi:4:2);
close(f1);
close(f2);
end.
const fi='dulieu.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b:array[1..100]of integer;
n,i:integer;
begin
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
begin
if (a[i]<b[i]) then writeln(f2,a[i])
else writeln(f2,b[i]);
end;
close(f1);
close(f2);
end.
Program hotrotinhoc_hoc24;
const fi='BT.TXT';
fo='KQ.TXT';
var f: text;
x,y,z: integer;
t: longint;
procedure ip;
begin
assign(f,fi);
reset(f);
read(f,x,y,z);
close(f);
end;
procedure out;
begin
assign(f,fo);
rewrite(f);
t:=x+y+z;
write(f,t);
close(f);
end;
begin
ip;
out;
end.