code. compile. run. debug. share.
#include <iostream>
using namespace std;
int main()
{
int n, i, j, s1=0, s2=0, s3=0,
s4=0, s5=0, s6=0, p;
float s7=0.0, s8=0.0;
cout<<"n=? "; cin>>n;
for(i=1; i<=n; i++){
s1=s1+i;
s2=s2+2*i;
s3=s3+2*i-1;
s4=s4+i*(i+1);
s5=s5+i*(i+1)*(i+2);
p=1;
for(j=1; j<=i; j++) p=p*j;
s6=s6+p;
s7=s7+1.0*i/(i+1)/(i+2);
p=1;
for(j=1; j<=i; j++) p=p*j;
s8=s8+1.0/p;
}
cout<<endl;
cout<<"s1 = "<<s1<<endl;
cout<<"s2 = "<<s2<<endl;
cout<<"s3 = "<<s3<<endl;
cout<<"s4 = "<<s4<<endl;
cout<<"s5 = "<<s5<<endl;
cout<<"s6 = "<<s6<<endl;
cout<<"s7 = "<<s7<<endl;
cout<<"s8 = "<<s8<<endl;
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
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