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Câu 1:
uses crt;
var n,i,kt:integer;
begin
clrscr;
write('Nhap n='); readln(n);
if n<2 then writeln(n,' khong la so nguyen to')
else begin
kt:=0;
for i:=2 to n-1 do
if n mod i=0 then kt:=1;
if kt=0 then writeln(n,' la so nguyen to')
else writeln(n,' khong la so nguyen to');
end;
readln;
end.
Câu 2:
uses crt;
var a:array[1..100]of integer;
i,n,max,min:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
max:=a[1];
min:=a[1];
for i:=1 to n do
begin
if max<a[i] then max:=a[i];
if min>a[i] then min:=a[i];
end;
writeln('So lon nhat la: ',max);
writeln('So nho nhat la: ',min);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long n,x,t;
int main()
{
cin>>n;
t=0;
while (n>0)
{
x=n%10;
t=t+x;
n/=10;
}
cout<<t;
return 0;
}
Var t,n:integer;
begin
write('nhap n = ');readln(n);
while n div 10 <> 0 do
begin
t:=t+(n mod 10);
n:=n div 10;
end;
write('Tong cac chu so cua ',n,' la ',t);
readln;
end.
Câu 1:
Var a:Integer;
Begin
Writeln('Nhap a: '); Readln(a);
If (a mod 2)=0 then writeln(a,'chia het cho 2') else (a,' khong chia het cho 2');
Readln;
End.
Câu 2:
Var S,a,b,c:Integer;
Begin
Writeln('Nhap a: '); readln(a);
Writeln('Nhap b: '); readln(b);
Writeln('Nhap c: '); readln(c);
S:=a+b+c;
Writeln('Tong cua ba so la: ',S);
Readln;
End.
Câu 3:
Var a,b,c:Integer;
Begin
Writeln('Nhap a: '); Readln(a);
Writeln('Nhap b: '); readln(b);
Writeln('Nhap c: '); readln(c);
If (a mod 2)=0 then writeln(a,' la so chan') else (a,' la so le');
If (b mod 2)=0 then writeln(b,' la so chan') else (b,' la so le');
If (c mod 2)=0 then writeln(c,' la so chan') else (c,' la so le');
Readln;
End.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a-b;
return 0;
}
program ct_dautien;
uses crt;
var x:integer;
begin
writeln('moi nhap a,b');readln(a,b);
if a>b then write(a) else write (b);
readln
end.
1)Program songuyenduong;
Uses crt;
Var y: integer;
Begin
clrscr;
writeln('nhap so y'); readln(y);
if (y mode 5)=0 then writeln(y,'chia het cho 5')else write(y,' khong chia het cho 5');
readln;
End.
#include <bits/stdc++.h>
using namespace std;
long long a[1000],i,n,dem;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cout<<a[i]<<" ";
cout<<endl;
dem=0;
for (i=1; i<=n; i++)
if (a[i]%2!=0) dem++;
cout<<dem;
return 0;
}
Uses crt;
Var n,i,a : integer;
Begin
a:=0;
Write('nhap n'); readln(n);
For i:=1 to n do
If (i mod 3= 0) then inc(a);
Writeln('so so chia het cho 3 la',a);
Readln
End.
program oken;
uses crt;
var n,i,dem:integer;
begin
clrscr;
write('nhap so n: '); readln(n);
for i:=1 to n do
if (i mod 3=0) then
begin
write(i,' ');
dem:=dem+1;
end;
writeln;
if dem=0 then
writeln('tu 1 den ',n,' khong co so chia het cho 3.')
else
writeln('co ',dem,' so chia het cho 3.');
readln;
end.
Uses crt;
Var n,i,a : integer;
Begin
a:=0;
Write('nhap n'); readln(n);
For i:=1 to n do
If (i mod 3= 0) then inc(a);
Writeln('so so chia het cho 3 la',a);
Readln
End.
program oken;
uses crt;
var n,i,dem:integer;
begin
clrscr;
write('nhap so n: '); readln(n);
for i:=1 to n do
if (i mod 3=0) then
begin
write(i,' ');
dem:=dem+1;
end;
writeln;
if dem=0 then
writeln('tu 1 den ',n,' khong co so chia het cho 3.')
else
writeln('co ',dem,' so chia het cho 3.');
readln;
end.