Mã chấm: 269509

Main.cc: In function ‘int main()’:
Main.cc:8:5: error: ‘prinft’ was not declared in this scope
     prinft << "Nhap so nguyen duong n: ";
     ^~~~~~
Main.cc:8:5: note: suggested alternative: ‘printf’
     prinft << "Nhap so nguyen duong n: ";
     ^~~~~~
     printf
Main.cc:9:11: error: invalid operands of types ‘int(const char*, ...)’ and ‘int’ to binary ‘operator>>’
     scanf >> n;
     ~~~~~~^~~~
Main.cc:19:5: error: expected primary-expression before ‘return’
     return 0;
     ^~~~~~