- #include<iostream>
- using namespace std;
- int my_sum(int,int);
- int main()
- {
- int x,y;
- cout<<"第一個數:";
- cin>>x;
- cout<<"第二個數:";
- cin>>y;
- cout<<"兩數之間所有數ㄉ總合為"<<my_sum(x,y)<<endl;
- system("pause");
- return 0;
-
- }
- int my_sum(int x,int y)
- {
- int total=0,temp;
- if(y<x)
- {
- temp=y;
- y=x;
- x=temp;
- }
- for(int i=x;i<=y;i++)
- {
- total=total+i;
- }
- return total;
- }
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