open /var/local/lib/isolate/442/box/a.out: no such file or directory
main.cpp: In function 'int main()':
main.cpp:6:30: error: expected ';' before '}' token
    6 |         cout << "3\n 1 3 5\n"
      |                              ^
      |                              ;
    7 | }
      | ~