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const fi='data.inp';
fo='kq.out';
var f1,f2:text;
a:array[1..100]of integer;
i,n,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
inc(n);
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(f2,t/n:4:2);
close(f1);
close(f2);
end.
const fi='data.txt';
fo='tbc.txt';
var f1,f2:text;
a:array[1..100]of integer;
n,i,t: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]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(f2,t/n:4:2);
close(f1);
close(f2);
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.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
double tb;
int main()
{
freopen("dulieu.inp","r",stdin);
freopen("ketqua.out","w",stdout);
cin>>a>>b;
cout<<a<<" "<<b;
cout<<fixed<<setprecision(2)<<(a*1.0+b*1.0)/(2*1.0);
return 0;
}
Uses crt;
var f1,f2:text;
i,n,tong,tongchan,dem:integer;
tb:real;
Begin
clrscr;
Assign(f1,'DAYSO.txt');
Assign(f2,'KETQUA.txt');
reset(f1);dem:=0;tong:=0;tongchan:=0;
While Not EOF(f1) do
Begin
read(f1,i);
inc(tong,i);
If i mod 2 = 0 then
begin
inc(dem);
inc(tongchan,i);
end;
End;
tb:=tongchan/dem;
close(f1);
rewrite(f2);
writeln(f2,tong);
writeln(f2,tongchan);
writeln(f2,tb:0:2);
close(f2);
write(tong);
readln;
End.
const fi='input.txt';
fo='soan.txt';
var f1,f2:text;
a:array[1..100]of integer;
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;
readln(f1,a[n]);
end;
for i:=1 to n do
if a[i]<0 then writeln(f2,a[i]:4);
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='data.inp';
fo='result.txt';
var f1,f2:text;
a:array[0..100]of integer;
dem,i,t:integer;
tbc:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
dem:=0;
while not eoln(f1) do
begin
inc(dem);
readln(f1,a[dem]);
end;
{---------------------------------xu-ly--------------------------------}
t:=0;
for i:=1 to dem do
t:=t+a[i];
tbc:=t/dem;
writeln(f2,tbc:4:2);
close(f1);
close(f2);
end.