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uses crt;
var a,b,x,y:integer;
//chuongtrinhcon
function ucln(var a,b:integer):integer;
var r:integer;
begin
while b>0 do
begin
r:=a mod b;
a:=b;
b:=r;
end;
ucln:=a;
end;
//chuongtrinhchinh
begin
clrscr;
readln(a,b);
x:=a;
y:=b;
if (x>0) and (y>0) then writeln(x div ucln(a,b),' ',y div ucln(a,b));
if (x<0) and (y<0) then
begin
x:=abs(x);
y:=abs(y);
a:=abs(a);
b:=abs(b);
writeln(x div ucln(a,b),' ',y div ucln(a,b));
end;
if (x<0) and (y>0) then
begin
write('-');
x:=abs(x);
y:=abs(y);
a:=abs(a);
b:=abs(b);
writeln(x div ucln(a,b),' ',y div ucln(a,b));
end;
if (x>0) and (y<0) then
begin
write('-');
x:=abs(x);
y:=abs(y);
a:=abs(a);
b:=abs(b);
writeln(x div ucln(a,b),' ',y div ucln(a,b));
end;
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()
{
cin>>a>>b;
if ((a>0 && b>0) or (a<0 && b<0)) cout<<a/gcd(a,b)<<" "<<b/gcd(a,b);
else cout<<"-"<<-a/gcd(-a,b)<<" "<<b/gcd(-a,b);
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long c,a,b;
int main()
{
cin>>a>>b;
c=a-b;
cout<<c;
return 0;
}
uses crt;
var a:array[1..100]of real;
i,n:integer;
t:real;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln('Tong cua day la: ',t:4:2);
writeln('Trung binh cong cua day la: ',t/n:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b,c,d,tu,mau;
//chuongtrinhcon
long long ucln(long long a,long long b)
{
long long uocchunglonnhat;
if (a>b) swap(a,b);
for (long long i=a; i>=1; i--)
if ((a%i==0) and (b%i==0))
{
uocchunglonnhat=i;
break;
}
return(uocchunglonnhat);
}
//chuongtrinhchinh
int main()
{
cin>>a>>b>>c>>d;
tu=a*d+b*c;
mau=b*d;
cout<<tu/ucln(tu,mau)<<"/"<<mau/ucln(tu,mau);
return 0;
}
Program Tinh_Toan;
uses crt;
var a,b: real
begin
clrscr;
write('nhap so a ='); readln(a);
write('nhap so b='); readln(b);
writeln('tong cua 2 so ',a,' va ',b,' =' ,a+b);
writeln('hieu cua 2 so ',a,' va ',b,' =',a-b);
writeln('tich cua 2 so ',a,' va ',b,' =' ,a*b);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,i,s;
int main()
{
cin>>n;
if (n%2==0)
{
s=1;
for (i=1; i<=n; i++)
if (i%2==0) s=s*i;
cout<<s;
}
else
{
s=1;
for (i=1; i<=n; i++)
if (i%2==1) s=s*i;
cout<<s;
}
return 0;
}
