C++
1
//este suma lui gauss, doar ca pe numere pare, formula fiind n*(n+1) deci pentru primii 7 termeni va fi 7*8=56
#include<iostream>
using namespace std;
int main() {
cout << n * (n + 1);
return 0;
}
2
#include<iostream>
using namespace std;
int main() {
double p = 1;
int n, x;
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> x;
p *= x;
}
cout << p;
return 0;
}
Pascal
1
var
n: integer;
begin
readln(n);
writeln(n*(n+1));
end.
2
var
p: real;
n,x,i: integer;
begin
p:=1;
read(n);
for i:=1 to n do
begin
read(x);
p:=p*x;
end;
writeln(p);
end.
