29．#includeint sum(int n) /*递归函数*/{ if(n==1)return 1;else return n+sum(n-1);}void main( ){ printf(″sum=%d\n″,sum(10)); }
sum=55
29．#includeint sum(int n) /*递归函数*/{ if(n==1)return 1;else return n+sum(n-1);}void main( ){ printf(″sum=%d\n″,sum(10)); }
sum=55
