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#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem1,dem2,t1,t2;
int main()
{
cin>>n;
dem1=0;
dem2=0;
t1=0;
t2=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x>0)
{
dem1++;
t1+=x;
}
if (x<0)
{
dem2++;
t2+=x;
}
}
cout<<dem1<<" "<<dem2<<endl;
cout<<t1<<" "<<t2;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem,t;
int main()
{
cin>>n;
dem=0;
t=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x%2==0) t+=x;
if (x%3==0) dem++;
}
cout<<"Tong cac so chan la: "<<t<<endl;
cout<<"So luong phan tu chia het cho 3 la: "<<dem;
return 0;
}
uses crt;
var a:array[1..50]of integer;
i,n,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('A[',i,']='); readln(a[i]);
end;
for i:=1 to n do
write(a[i]:4);
t:=0;
for i:=1 to n do
if (a[i] mod 2<>0) and (a[i] mod 5=0) then t:=t+a[i];
writeln;
writeln(t);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
double a[100],t1,t2,k;
int i,n,dem;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
cin>>k;
dem=0;
for (i=1; i<=n; i++) if (a[i]==k) dem++;
t1=0;
t2=0;
for (i=1; i<=n; i++)
{
if (a[i]>0) t1+=a[i];
else t2+=a[i];
}
cout<<dem<<endll;
cout<<t1<<" "<<t2;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long a[20],n=20,i,dem,t,s;
int main()
{
for (i=1; i<=n; i++) cin>>a[i];
dem=0;
for (i=1; i<=n; i++) if (a[i]%9==2) dem++;
t=0;
for (i=1; i<=n; i++) if (a[i]%5==0) t+=a[i];
s=1;
for (i=1; i<=n; i++)
if (a[i]%7==0) s*=a[i];
cout<<dem<<endl;
cout<<t<<endl;
cout<<s;
return 0;
}
const fi='dl.pas';
fo='qk.pas';
var f1,f2:text;
i,n,dem,t,dem1,dem2,kt,j:integer;
a:array[1..100]of integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
dem:=0;
for i:=1 to n do
if (a[i] mod 2<>0) and (a[i] mod 7=0) then inc(dem);
t:=0;
for i:=1 to n do
if (10<=a[i]) and (a[i]<=30) then t:=t+a[i];
dem1:=0;
for i:=1 to n do
if (a[i]<0) and (a[i] mod 2<>0) then inc(dem1);
dem2:=0;
for i:=1 to n do
if a[i]>1 then
begin
kt:=0;
for j:=2 to a[i]-1 do
if a[i] mod j=0 then kt:=1;
if kt=0 then inc(dem2);
end;
writeln(f2,'So phan tu le chia het cho 7 la: ',dem);
writeln(f2,'Tong cac phan tu thuoc [10,30] la: ',t);
writeln(f2,'So cac phan tu am le la: ',dem1);
writeln(f2,'So phan tu la so nguyen to la: ',dem2);
close(f1);
close(f2);
end.