Mã chấm: 269245

Main.cc: In function ‘void nhap(int&)’:
Main.cc:9:1: error: expected ‘;’ before ‘}’ token
 }
 ^
Main.cc:7:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &n);
         ~~~~~^~~~~~~~~~