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Câu 1:
Program HOC24;
var i,p: integer;
t: longint;
begin
write('Nhap P: '); readln(p);
t:=0;
for i:=1 to p do if i mod 2<>0 then t:=t+i;
write('Tong cac so le la: ',t);
readln
end.
c1:
#include <bits/stdc++.h>
using namespace std;
long long i,n,s;
int main()
{
cin>>n;
s=1;
for (i=1; i<=n; i++) s=s*i;
cout<<s;
return 0;
}
Câu 2:
#include <bits/stdc++.h>
using namespace std;
long long i,n,s;
int main()
{
cin>>n;
s=1;
for (i=1; i<=n; i++) if (i%2==0) s=s*i;
cout<<s;
return 0;
}
a)
uses crt;
var i,n:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n<100;
if n mod 2=0 then
begin
for i:=0 to n do
if i mod 2=0 then write(i:4);
end
else writeln(n,' khong la so chan');
readln;
end.
b)
uses crt;
var i,n:integer;
begin
clrscr;
repeat
write('Nhap n='); readln(n);
until n<100;
if n mod 2=1 then
begin
for i:=1 to n do
if i mod 2=1 then write(i:4);
end
else writeln(n,' khong la so le');
readln;
end.
uses crt;
var n,i,t:integer;
begin
clrscr;
readln(n);
t:=0;
for i:=1 to n do
if i mod 2=0 then t:=t+i;
write(t);
readln;
end.
uses crt;
var i,n:integer;
begin
clrscr;
write('n='); readln(n);
writeln('cac so chan trong khoang tu 1 toi ',n,' la:');
for i:=1 to n do
if i mod 2=0 then write(i:4);
readln;
end.
Program HOC24;
var n,i: integer;
a: array[1..32000] of integer;
t: longint;
begin
write('Nhap N: '); readln(n);
write('Nhap so thu ',i,': '); readln(a[i]);
t:=0;
for i:=1 to n do if a[i] mod 2=0 then t:=t+a[i];
write('Tong cac so chan la: ',t);
readln
end.
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n,A[100],dem,t;
cin>>n;
for (int i=1; i<=n; i++)
cin>>A[i];
dem=0; t=0;
for (int i=1; i<=n; i++)
if (A[i]%2==0) dem++;
else t+=A[i];
cout<<dem<<endl;
cout<<t;
return 0;
}
Bài 2:
#include <bits/stdc++.h>
using namespace std;
long long x,y;
int main()
{
cin >>x>>y;
cout<<x<<" "<<y;
swap(x,y);
cout<<x<<" "<<y;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long n,i,t;
int main()
{
cin>>n;
t=0;
for (i=1; i<=n; i++)
if (i%2==0) t+=i;
cout<<t;
return 0;
}
Câu 1:
var i,n:integer;
begin
write('n = ');readln(n);
For i:=1 to n do
if i mod 2 = 0 then write(i:6);
readln;
end.