Borderou de evaluare (job #286049)

Eroare de compilare: user.cpp: In function 'int main()': user.cpp:10:5: error: 'cn' was not declared in this scope user.cpp:19:23: error: invalid operands of types 'int' and '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' to binary 'operator%' user.cpp:33:21: error: invalid operands of types 'int' and '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' to binary 'operator%' user.cpp:39:29: error: invalid operands of types '__gnu_cxx::__promote_2<int, int, double, double>::__type {aka double}' and 'int' to binary 'operator%' user.cpp:8:19: warning: unused variable 'dn' [-Wunused-variable]