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uses crt;
var a,b,ucln,bcnn,i:integer;
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
ucln:=1;
if a<b then begin
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
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;
bcnn:=a*b;
for i:=a*b-1 downto 1 do
if (i mod a=0) and (i mod b=0) then
begin
if bcnn>i then bcnn:=i;
end;
writeln('Uoc chung lon nhat la: ',ucln);
writeln('Boi chung nho nhat la: ',bcnn);
readln;
end.
program tim_chu_so;
uses crt;
var i,n,csln:longint;
k:integer;
a:array[1..1000]of longint;
st:string;
begin
clrscr;
write('nhap so n:');readln(n);
str(n,st);
val(st,a[i]);
csln:=a[1];
for i:=1 to length(st) do
if csln<a[i] then csln:=a[i];
writeln('chu so lon nhat cua so ',n,' la:',csln);
readln;
end.
Câu 1:
uses crt;
var n,i,d,x,y,max:integer;
st:string;
begin
clrscr;
write('Nhap n='); readln(n);
str(n,st);
d:=length(st);
max:=0;
for i:=1 to d do
begin
val(st[i],x,y);
if max<x then max:=x;
end;
writeln('Chu so lon nhat la: ',max);
readln;
end.
program UocChung;
var
a, b, i: integer;
uocchung: array[1..100] of integer;
n: integer;
begin
write('Nhap a=');
readln(a);
write('Nhap b=');
readln(b);
n := 0;
for i := 1 to 100 do
if (a mod i = 0) and (b mod i = 0) then
begin
uocchung[n] := i;
n := n + 1;
end;
write('Uoc chung cua ', a, ' va ', b, ' la: ');
for i := 0 to n-1 do
write(uocChung[i], ' ');
readln;
end.
Câu 1:
uses crt;
var a,b:integer;
begin
clrscr;
readln(a,b);
write(a+b);
readln;
end.
Câu 2:
uses crt;
var a,b,c:integer;
begin
clrscr;
readln(a,b,c);
writeln(a+b-c);
readln;
end.
Câu 3:
uses crt;
var a,b:integer;
begin
clrscr;
readln(a,b);
writeln(a-b);
readln;
end.
Câu 4:
uses crt;
var x,y,z:integer;
begin
clrscr;
readln(x,y,z);
writeln((x+y)*z);
readln;
end.
1 không
2
Program UCLN;
uses crt;
var a,b : integer;
begin
write ('nhap so a la ');readln (a);
write ('nhap so b la ');readln (b);
while a < > b do
if a >b then a := a - b else b := b - a ;
write ( ' UCLN la :' , a );
readln
end.
1:
#include <bits/stdc++.h>
using namespace std;
int n,i;
bool kt;
int main()
{
cin>>n;
kt=true;
for (i=2; i*i<=n; i++)
if (n%i==0) kt=false;
if (kt==true && n>1) cout<<"La so nguyen to";
else cout<<"Khong la so nguyen to";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<max(a,b);
return 0;
}
Program UCLN;
uses crt;
var a,b : integer;
begin
write ('nhap so a la ');readln (a);
write ('nhap so b la ');readln (b);
while a < > b do
if a >b then a := a - b else b := b - a ;
write ( ' UCLN la :' , a );
readln
end.
~~~~~~~~~~~~~~~~~~ Chúc bn học tốt ~~~~~~~~~~~~~~~~~
var a,b,min,i,ucln:integer;
begin
write('a=');readln(a);
write('b=');readln(b);
min:=a;
if a>b then min:=b;
for i:=1 to min do
if (a mod i=0) and (b mod i=0) then ucln:=i;
writeln(' uoc chung cua a va b la:',ucln);
readln;
end.