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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[5],i,n,t;

int main()

{

n=5;

for (i=1; i<=n; i++) 

cin>>a[i];

for (i=1; i<=n; i++) cout<<a[i]<<" ";

cout<<endl;

t=0;

for (i=1; i<=n; i++) t+=a[i];

cout<<t<<endl;

for (i=1; i<=n; i++)

if (i%2!=0) cout<<a[i]<<" ";

return 0;

}

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 b[20],i,n;

int main()

{

cin>>n;

for (i=1; i<=n; i++) cin>>b[i];

for (i=1; i<=n; i++)

{

if ((b[i]%2!=0) or (i%2==0)) cout<<b[i]<<" ";

}

return 0;

}

5 tháng 3 2022

bạn viết rõ ra giùm mình đc kko 

5 tháng 3 2022

Dạ pascal được không ạ, 

uses crt;

const fo='ketqua1.out';

var a:real;

f1:text;

begin

clrscr;

readln(a);

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

if (a>0) then writeln(f1,sqrt(a):4:2)

else writeln(f1,sqr(a));

close(f1);

readln;

end.

6 tháng 3 2022

var a:integer;

begin

 write('a = '); readln(a);

 if a > 0 then write(sqrt(a)) else write(sqr(a));

readln

end.

 

#include <bits/stdc++.h>

using namespace std;

long long a[1000],i,n,ln,t,k,nn;

int main()

{

cin>>n;

for (i=1; i<=n; i++) cin>>a[i];

ln=LLONG_MIN;

for (i=1; i<=n; i++) ln=max(ln,a[i]);

cout<<"So lon nhat la: "<<ln<<endl;

cout<<"VI tri la: ";

for (i=1; i<=n; i++) if (ln==a[i]) cout<<i<<" ";

cout<<endl;

t=0;

for (i=1; i<=n; i++)

if (a[i]>0) t+=a[i];

cout<<"Tong cac so duong la: "<<t<<endl;

cin>>k;

for (i=1; i<=n; i++)

if (a[i]%k==0) cout<<a[i]<<" ";

cout<<endl;

nn=LLONG_MAX;

for (i=1; i<=n; i++)

nn=min(nn,a[i]);

cout<<nn;

return 0;

}

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

i,n:integer;

begin

clrscr;

readln(n);

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

readln;

end.

#include <bits/stdc++.h>

using namespace std;

long long a[1000],n,i;

int main()

{

cin>>n;

for (i=1;i<=n; i++) cin>>a[i];

for (i=1;i<=n; i++) cout<<a[i]<<"     ";

cout<<endl;

for (i=1; i<=n; i++)

if (a[i]%2==0 && a[i]<0) cout<<a[i]<<" ";

cout<<endl;

for (i=1; i<=n; i++) 

  if (a[i]>0) cout<<a[i]<<" ";

for (i=1; i<=n; i++)

if (a[i]==0) cout<<a[i]<<" ";

for (i=1; i<=n; i++)

if (a[i]<0) cout<<a[i]<<" ";

return 0;

}

Câu 4: 

#include <bits/stdc++.h>

using namespace std;

string st;

int d,i,dem;

char x;

int main()

{

getline(cin,st);

d=st.length();

cout<<st<<endl;

cin>>x;

dem=0;

for (i=0; i<=d-1; i++) if (st[i]==x) dem++;

cout<<dem;

return 0;

}

Câu 4: 

#include <bits/stdc++.h>

using namespace std;

string st;

int d,i,dem;

char x;

int main()

{

getline(cin,st);

d=st.length();

cout<<st<<endl;

cin>>x;

dem=0;

for (i=0; i<=d-1; i++) if (st[i]==x) dem++;

cout<<dem;

return 0;

}