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Vreau program in c++

Vreau Program In C class=

Răspuns :

#include<iostream.h>
using namespace std;
int main()
{float n, s=0, j=2, p=1, i=1;
cout<<"n="; cin>>n;
while(i<=n)
{p=p*j;
s=s+1/p;
j++;
i++;}
cout<<"s="<<s;
return 0;}