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#include <bits/stdc++.h>
using namespace std;
long long a,b,i,dem,s;
int main()
{
cin>>a>>b;
dem=0;
s=0;
for (i=a; i<=b; i++)
if (i%2==0)
{
dem++;
s=s+i;
}
cout<<dem<<" "<<s;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a,b,i,dem,s;
int main()
{
cin>>a>>b;
dem=0;
s=0;
for (i=a; i<=b; i++)
if (i%2==0)
{
dem++;
s=s+i;
}
cout<<dem<<" "<<s;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a,b,i,dem,s;
int main()
{
cin>>a>>b;
dem=0;
s=0;
for (i=a; i<=b; i++)
if (i%2==0)
{
dem++;
s=s+i;
}
cout<<dem<<" "<<s;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long x,i,n,t,dem;
int main()
{
cin>>n;
t=0;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0)
{
dem++;
t=t+x;
}
cout<<t<<" "<<dem;
return 0;
}
}
uses crt;
var a,b:integer;
begin
clrscr;
repeat
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
until (a>0) and (b>0);
if a>b then writeln(a,' la so lon hon')
else if a<b then writeln(b,' la so lon hon')
else writeln('Hai so bang nhau');
readln;
end.
Bài 2:
#include <bits/stdc++.h>;
using namespace std;
int main();
{
long m,n;
cout<<"Nhap m="; cin>>m;
cout<<"Nhap n="; cin>>n;
cout<<m*n-2;
return 0;
}
uses crt;
var a:array[1..200]of integer;
i,n,tbc,dem:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
writeln('Cac so duong chan la: ');
for i:=1 to n do
if (a[i] mod 2=0) and (a[i]>0) then write(a[i]:4);
writeln;
tbc:=0;
dem:=0;
for i:=1 to n do
if (-1000<=a[i]) and (a[i]<=1000) then
begin
tbc:=tbc+a[i];
dem:=dem+1;
end;
writeln('Trung binh cong cac phan tu co gia tri trong pham vi tu -1000 den 1000 la: ',tbc/dem:4:2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b,i,dem,s;
int main()
{
cin>>a>>b;
dem=0;
s=0;
for (i=a; i<=b; i++)
if (i%2==0)
{
dem++;
s=s+i;
}
cout<<dem<<" "<<s;
return 0;
}