25 lines
438 B
C
25 lines
438 B
C
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/*(1!/1) + (2!/2) + (3!/3) + (4!/4) + (5!/5) + ... + (n!/n)*/
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#include<stdio.h>
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long fact(int n)
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{
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long i, f=1;
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for(i=1; i<=n; i++)
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{
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f=f*i;
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}
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return f;
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}
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int main()
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{
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long i,n;
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double sum=0;
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printf("Enter value of n ");
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scanf("%d",&n);
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for(i=1; i<=n; i++)
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{
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sum=sum+(fact(i)/i);
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}
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printf("Sum: %lf",sum);
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return 0;
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}
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