计算首行两数相加
#include <iostream>11
#include <vector>
using namespace std;
int main()
{
vector<int> ivec;
int num;
while (cin >> num)
{
ivec.push_back(num);
}
int count = ivec.size();
for (int first = 0, last = count - 1; first <= last; first++, last--)
{
if (first == last)
{
cout << "中间数据为:" << ivec[last] << endl;
}
else
cout << ivec[first] + ivec[last] << endl;
}
return 0;
}
运行结果:

可以使用vector可以创造动态数组(如上),也可以使用
int n;
cin>>n;
int *array=new int [n];
