#include stdiohfloat sumint nfloat sf=0; int ij;Program End main printfsum=fnsum10;

#include "stdio.h" float sum(int n) { float s=0.0; for(int i=1; i<=n; i++) { float f = 1.0; for(int j=1; j<=i; j++) { f *= j; } s += f; } return s; }

int main() { printf("sum=%f\n",sum(10)); return 0; }