uses crt;

var a:array[1..100]of integer;

n,i,k,dem,dem1:integer;

begin

clrscr;

write('Nhap n='); readln(n);

for i:=1 to n do 

  begin

write('A[',i,']='); readln(a[i]);

end;

write('Nhap k='); readln(k);

dem:=0;

dem1:=0;

for i:=1 to n do 

  begin

if a[i] mod 2=0 then inc(dem);

if a[i] mod k=0 then inc(dem1);

end;

writeln('So phan tu chan la: ',dem);

writeln('So phan tu chia het cho ',k,' la: ',dem1);

readln;

end.

Bài 1:

const fi='so.inp';
fo='so.out';
var f1,f2:text;
a:array[1..100]of integer;
dem,i,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
dem:=0;
while not eof(f1) do
begin
inc(dem);
readln(f1,a[dem]);
end;
writeln(f2,'Cac so nguyen am la: ');
for i:=1 to dem do
if a[i]<0 then write(f2,a[i]:4);
writeln(f2);
t:=0;
for i:=1 to dem do
if (a[i] mod 5=0) and (a[i] mod 3=0) then t:=t+a[i];
writeln(f2,'Tong cac so chia het cho 3 va 5 la: ',t);
close(f1);
close(f2);
end.

Bài 2:

uses crt;
const fi='baitap.txt';
fo='kq.qut';
var f1,f2:text;
a:array[1..100]of integer;
dem,i,n:integer;
begin
clrscr;
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;
dem:=0;
for i:=1 to n do
if a[i] mod 5=0 then dem:=dem+1;
writeln('So luong cac so chia het cho 5 la: ',dem);
for i:=1 to n do
if sqrt(a[i])=trunc(sqrt(a[i])) then write(f2,a[i]:4);
close(f1);
close(f2);
readln;
end.

uses crt;

const fi='baitap.txt'

var f1:text;

a,b,c,d: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],d[n]);

end;

for i:=1 to n do 

  writeln(sqrt(sqr(a[i]-c[i])+sqr(b[i]-d[i])):4:3);

close(f1);

readln;

end.

Program HOC24;

var m,n,i: integer;

t1,t2: longint;

begin

write('Nhap m;n: '); readln(m,n);

t1:=1; t2:=1;

for i:=1 to n do t1:=t1*i;

for i:=m to n do t2:=t2*i;

writeln('T1=',t1);

write('T2=',t2);

readln

end.

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.

program tong;
uses crt;
var M, N, S, i: integer;
begin
clrscr;
write ('Nhap M= '); readln(M);
write ('Nhap N= '); readln(N);
s : = 0;
for i := M to N do if (i mod 2 = 0) then s:= s + i;
write (T'ong cac so chan trong pham vi tu M den N = ',s);
readln;
end.

mk mới làm tổng thui nghen

Program Tong_hieu_tich_thuong;

Uses crt;

Var a:integer;

b:integer;

Begin

clrscr;

write(‘nhap so thu 1 :’);

readln(a);

writeln(‘ban vua nhap so: ‘,a);

write(‘nhap so thu hai :’);

readln(b);

writeln(‘ban vua nhap so thu 2: ‘,b);

Writeln(a,’+’,b,’=’,a+b);

Writeln(a,’-‘,b,’=’,a-b);

Writeln(a,’*’,b,’=’,a*b);

if b<>0 then 

Writeln(a,’/’,b,’=’,a/b);

readln;

End.

bạn in ra đc chx mình làm cái mới rùi đó

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;

var a,b:integer;

begin

clrscr;

repeat

write('Nhap a='); readln(a);

write('Nhap b='); readln(b);

until (a>0) and (b>0);

if a>b then writeln(a,' la so lon hon')

else if a<b then writeln(b,' la so lon hon')

else writeln('Hai so bang nhau');

readln;

end.

#include <bits/stdc++.h>
using namespace std;
long long a,b;
//chuongtrinhcon
long long gcd(long long a,long long b)
{
    if (b==0) return(a);
    return gcd(b,a%b);
}
//chuongtrinhchinh
int main()
{

freopen("songuyen.inp","r",stdin);
cin>>a>>b;
cout<<gcd(a,b);
return 0;
}