CPP2022-02-随堂测试

1. #include<iostream>
2. using namespace std;
3. int main()
4. {
5. int a,b;
6.     cin>>a>>b;
7.     cout<<"Hello, "<<a<<" and "<<b<<"!"<<endl;
8. return 0;
9. }

1. #include<iostream>
2. using namespace std;
3. int main()
4. {
5.     string name;
6.     cin>>name;
7.     cout<<"Hello "<<name<<endl;
8. return 0;
9. }

1. #include<iostream>
2. using namespace std;
3. int main()
4. {
5. int sum;
6. for(int i=1;i<=100;i++)
7.     {
8.         sum=sum+i;
9.     }
10.     cout<<"sum = "<<sum<<endl;
11. return 0;
12. }

1. #include<iostream>
2. using namespace std;
3. int main()
4. {
5. int sum;
6. int n;
7.     cin>>n;
8. for(int i=1;i<=n;i++)
9.     {
10.         sum=sum+i;
11.     }
12.     cout<<"sum = "<<sum<<endl;
13. return 0;
14. }

1. #include<bits/stdc++.h>
2. using namespace std;
3. int main()
4. {
5. int a[3];
6. for(int i=0;i<=3;i++)
7.     {
8.         cin>>a[i];
9.     }
10. sort(a,a+3);
11. for(int i=0;i<=2;i++)
12.     {
13.         cout<<a[i];
14. if(i<2)
15.         cout<<"->";
16.     }
17. return 0;
18. }