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30 tháng 12 2021

1:

uses crt;

const fi='songuyen.doc';

var i:integer;

f1:text;

begin

clrscr;

assign(f1,fi); rewrite(f1);

for i:=1 to 10 do write(f1,i:4);

close(f1);

readln;

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 fo='data.txt';

var f1:text;

a:array[1..10]of integer;

i,n:integer;

begin

clrscr;

assign(f1,fo); rewrite(f1);

n:=10;

for i:=1 to n do readln(a[i]);

for i:=1 to n do write(f1,a[i]:4);

close(f1);

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a,b;

int main()

{

freopen("sn.inp","r",stdin);

freopen("cn.out","w",stdout);

cin>>a>>b;

cout<<a*b;

return 0;

}

22 tháng 7 2021

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.

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.

uses crt;

const fi='dl.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.