0_0_39625363_334.cpp: In function 'void sumproblem(int)':
0_0_39625363_334.cpp:7:9: error: 'cout' was not declared in this scope
7 | cout << "ºÍΪ£º" << sum << endl;
| ^~~~
0_0_39625363_334.cpp:7:35: error: 'endl' was not declared in this scope
7 | cout << "ºÍΪ£º" << sum << endl;
| ^~~~
|