Series Program- 1! + 2! + 3! + 4! + 5! + ... + n!

Below is C program for Series Program- 1! + 2! + 3! + 4! + 5! + ... + n!

Program:

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/* Series Program- 1! + 2! + 3! + 4! + 5! + ... + n! */   long fact(int n) {     long i, f=1;     for(i=1;i<=n;i++)     {         f=f*i;     }     return f; }   int main() {     long i,n,sum=0;     n=5;     for(i=1;i<=n;i++)     {         sum=sum+fact(i);     }     printf("Sum: %d",sum);     return 0; }