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25 tháng 4 2023

program UocChungLonNhat;
var
  a, b: integer;

function UCLN(a, b: integer): integer;
begin
  if b = 0 then
    UCLN := a
  else
    UCLN := UCLN(b, a mod b);
end;

begin
  write('Nhập số nguyên dương a: ');
  readln(a);
  write('Nhập số nguyên dương b: ');
  readln(b);

  writeln('UCLN của ', a, ' và ', b, ' là ', UCLN(a, b));
end.

Câu 1: 

uses crt;

var m,n,ucln,i:integer;

begin

clrscr;

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

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

ucln:=1;

if m<n then 

begin

for i:=1 to m do 

if (m mod i=0) and (n mod i=0) then 

  begin

if ucln<i then ucln:=i;

end;

end

else begin

for i:=1 to n do 

  if (m mod i=0) and (n mod i=0) then 

begin

if ucln<i then ucln:=i;

end;

end;

writeln(ucln);

readln;

end.

Câu 2: 

uses crt;

var m,n,bcnn,i:integer;

begin

clrscr;

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

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

bcnn:=m*n;

for i:=m*n-1 downto 1 do 

  if (i mod m=0) and (i mod n=0) then

begin

if bcnn>i then bcnn:=i;

end;

writeln(bcnn);

readln;

end.

#include <bits/stdc++.h>
using namespace std;
unsigned long long a[50],x,n,uc,i;
//chuongtrinhcon
unsigned long long ucln(long long a,long long b)
{
    if (b==0) return(a);
    else return(ucln(b,a%b));
}
//chuongtrinhchinh
int main()
{
    freopen("ucln.inp","r",stdin);
    freopen("ucln.out","w",stdout);
    cin>>n;

cin>>a[1]>>a[2];

uc=ucln(a[1],a[2]);

for (i=3; i<=n; i++)

{

cin>>x;

uc=ucln(uc,x);

}

cout<<uc;
    return 0;
}

 

13 tháng 12 2020
uses crt; var i,n,a,b, uc,bcnn:integer ; c:array[1..100] of integer; {--- CTC tim UCLL hai so} function ucln(a,b:integer):integer; var r:integer; begin r:=a mod b; while r<>0 do begin a:=b; b:=r; r:= a mod b; end; ucln:=b; end; {--- CTC chinh----} begin Write('n= '); readln(n); for i:=1 to n do begin write('c[',i,']='); readln(c[i]); end; for i:= 1 to n do Write(c[i]:3);writeln; uc:=ucln(c[1], c[2]); bcnn:=(c[1]*c[2])div uc; for i:=3 to n do begin uc:=ucln(uc,c[i]); bcnn:= bcnn*c[i] div uc; end; Writeln('bcnn =',bcnn); readln; end.

uses crt;
var i,n,c,b,uc:integer;
bcnn:int64;
a:array[1..100] of integer;
{--------------------------chuong-trinh-con-tim-ucln-cua-hai-so---------------}
function ucln(c,b:integer):integer;
var r:integer;
begin
r:=c mod b;
while r<>0 do
begin
c:=b;
b:=r;
r:=c mod b;
end;
ucln:=b;
end;
{---------------------------chuong-trinh-chinh-----------------------------------}
begin
clrscr;
Write('n='); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;

uc:=ucln(a[1],a[2]);

for i:=3 to n do 

 uc:=ucln(uc,a[i]);

writeln(uc);

readln;

end.

const fi='ucln.inp';

fo='ucln.out';

var f1,f2:text;

a,b,i,ucln:integer;

begin

assign(f1,fi); reset(f1);

assign(f2,fo); rewrite(f2);

readln(f1,a,b);

if a<b then 

begin

ucln:=1;

for i:=1 to a do 

  if (a mod i=0) and (b mod i=0) then 

  begin

if ucln<i then ucln:=i;

end;

end

else begin

ucln:=1;

for i:=1 to b do 

  if (a mod i=0) and (b mod i=0) then 

begin

if ucln<i then ucln:=i;

end;

end;

writeln(f2,ucln);

close(f1);

close(f2);

end.

20 tháng 5 2021

Program HOC24;

var a: array[1..32000] of integer;

ucln,i,n,ucln1: integer;

function uc(x,y: integer): integer;

var tg: integer;

begin

while y<>0 do

begin

tg:=x mod y;

x:=y;

y:=tg;

end;

uc:=x;

end;

begin

write('Nhap N: '); readln(n);

for i:=1 to n do

begin

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

end;

ucln1:=uc(a[1],a[2]);

for i:=3 to n do ucln:=uc(ucln1,a[i]);

write('Uoc chung lon nhat cua day so la: ',ucln);

readln

end.

1 tháng 8 2021

uses crt;

var n,i,m,max:integer;

function kt(n:integer):integer;

var j,k:integer

begin

k:=0;

for j:=2 to n do

if (n mod j)=0 then k:=k+1;

kt:=k+1;

end;

begin

readln(n);

if n=1 then write(1)

else

begin

max:=kt(2);

for m:=3 to n do

if max<kt(m) then max:=kt(m);

write(max);

end;

end.

 

uses crt;

var i,n,m,k,d:integer;

{---------------chuong-trinh-con-tim-ucln--------------------}

function ucln(x,y:integer):integer;

var t:integer;

begin

while y<>0 do

begin

t:=x mod y;

x:=y;

y:=t;

end;

ucln:=x;

end;

{------------chuong-trinh-con-kiem-tra-so-nguyen-to-------------------}

function nt(b:longint):boolean;

var j:longint;

begin

nt:=true;

if (b=2) or (b=3) then exit;

nt:=false;

if (b=1) or (b mod 2=0) or (b mod 3=0) then exit;

j:=5;

while j<=trunc(sqrt(b)) do

begin

if (b mod j=0) or (b mod (j+2)=0) then exit;

j:=j+6;

end;

nt:=true;

end;

{---------------chuong-trinh-chinh---------------------}

begin

clrscr;

write('Nhap N: '); readln(N);

write('Nhap M: '); readln(M);

d:=0;

k:=ucln(N,M);

for i:=1 to k do

if nt(i) then d:=d+1;

if d>0 then writeln('2 so nay tuong duong voi nhau')

else writeln('2 so nay khong tuong duong voi nhau');

readln;

end.

27 tháng 3 2021

lệnh exit dùng để là gì vậy anh?