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uses crt;
const fi='dulieu.txt';
var f1:text;
a,b:array[1..100]of integer;
i,n:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
n:=0;
while not eof(f1) do
begin
inc(n);
readln(f1,a[n],b[n]);
end;
for i:=1 to n do
begin
if a[i]<b[i] then writeln(a[i])
else writeln(b[i]);
end;
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.
const fi='hcn.inp';
fo='hcn.out';
var f1,f2:text;
a,b:array[1..100]of integer;
i,j,n:integer;
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
writeln(f2,2*(a[i]+b[i]),' ',a[i]*b[i]);
close(f1);
close(f2);
end.
const fi='hcn.inp';
fo='hcn.out';
var f1,f2:text;
a,b:array[1..100]of integer;
i,j,n:integer;
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
writeln(f2,2*(a[i]+b[i]),' ',a[i]*b[i]);
close(f1);
close(f2);
end.
uses crt;
const fi='input.txt';
var f1:text;
a,b,c: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(f1,a[n],b[n],c[n]);
end;
for i:=1 to n do
writeln('Tong cua dong ',i,' la: ',a[i]+b[i]+c[i]:4:2);
for i:=1 to n do
writeln('Trung binh cong cua dong ',i,' la: ',(a[i]+b[i]+c[i])/3:4:2);
close(f1);
readln;
end.
program du_lieu;
uses crt;
var i,n:integer;
a:array[1..100]of integer;
tbc:real;
f:text;
begin
clrscr;
assign(f,'DULIEU.INP');reset(f);
readln(f,n);
for i:=1 to n do
begin
read(f,a[i]);
end;
close(f);
for i:=1 to n do
tbc:=tbc+a[i];
writeln(tbc/n);
readln;
end.
uses crt;
const fi='so.inp';
var f1:text;
a,b:integer;
begin
clrscr;
assign(f1,fi); reset(f1);
while not eof(f1) do
begin
readln(f1,a,b);
writeln((a+b)/2:4:2);
end;
close(f1);
readln;
end.