// find sum of numbers from 1 to n
Find sum of numbers from 1 to n
#include<iostream>
using namespace std;
int sumN(int n)
{
int sum=0;
for (int i=1; i<=n; i++)
{
sum+=i;
}
Calculate factorial of number
#include<iostream>
using namespace std;
int factN(int n)
{
int fact=1;
for (int i=1; i<=n; i++)
{
fact*=i;
}
return fact;
}
int main() {
cout << "facto:"<<factN(5);
return 0;}
return sum;
}
int main() {
cout << "sum:"<<sumN(5);
return 0;}