Question

Ajutor Va Rog ! Maine Trebuie sa prezint Foaia,Ma puteti ajuta DAU 40 DE PUNCTE !!

Answer 1

Ex.1

#include <iostream>

using namespace std;

int n, s = 0;

int main(){

cout << "n=";

cin >> n;

for (int i = 2; i <= n;i+=2){

   s += i;

}

cout << "s=" << s;

return 0;

}

Ex.2

#include <iostream>

using namespace std;

int a,b;

int main(){

cout << "a=";

cin >> a;

cout << "b=";

cin >> b;

for (int i = a; i <= b;i++){

   cout << i << " ";

}

return 0;

}

Ex.3

#include <iostream>

using namespace std;

int a,b, s = 0;

int main(){

cout << "a=";

cin >> a;

cout << "b=";

cin >> b;

for (int i = a; i <= b;i++){

   s += i;

}

cout << "s=" << s;

return 0;

}