1. #include<bits/stdc++.h>
    2. using namespace std;
    4. /**
    5.  * 文件输入输出
    6.  * */
    8. int main() {
    9.     ofstream out("C:/Users/Administrator/Documents/temp.txt");
    11.     ifstream in;
    13.     int x, a[10];
    14.     for(int i = 0; i < 10; i++) {
    15.         cin>>x;
    16.         out<<x<<" ";
    17.     }
    18.     out.close();
    20.     in.open("C:/Users/Administrator/Documents/temp.txt");
    21.     int j = 0;
    22.     while(!in.eof()) {
    23.         in>>a[j++];
    24.     }
    25.     in.close();
    27.     int s = 0;
    28.     for(int i = 0; i < 10; i++) {
    29.         s += a[i];
    30.         cout<<a[i]<< " ";
    31.     }
    32.     cout<<endl;
    34.     cout<<"the sum is :"<<s<<endl;
    35.     return 0;
    36. }