---

Lỗi biên dịch:

Main.cc: In function ‘int main()’:
Main.cc:24:5: error: expected ‘;’ before ‘}’ token
     }
     ^
Main.cc:13:13: warning: unused variable ‘d’ [-Wunused-variable]
         int d = 0;
             ^
Main.cc:6:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &T); // Nh?p s? lu?ng b? test
     ~~~~~^~~~~~~~~~
Main.cc:10:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &X); 
         ~~~~~^~~~~~~~~~