我想要设计一个公差为1的等差数列求和的函数,且首项与末项可以手动输入。请问main函数中如何初始化sum的值?
#include<iostream>
using namespace std;
int Add(int sum, int val)
{
int a = 0;
int b = 0;
for (int val = a; val <= b; val++)
{
sum += val;
return sum;
}
}
int main()
{
int a = 1;
int b = 10;
cout << "a=";
cin >> a;
cout << "b=";
cin >> b;
int val = a;
int sum=0;
Add(sum, val);
cout << "sum=" << sum << endl;
system("pause");
return 0;
}