摘要： #include double fact(int n);int main(void){ int n; double sum; sum=0; for(n=1;n<=100;n++) sum=sum+fact(n); printf("1!+2!+3!+…+100!=%e\n",sum); return 0;}double fact(int n){ int i; double result; result=1; for(i=1;i<=n;i++) result=result*i; return re... 阅读全文