Mã chấm: 271570

Main.cc: In function ‘int main()’:
Main.cc:9:5: error: ‘prinf’ was not declared in this scope
     prinf("Nhập N,X,Y,Z:");
     ^~~~~
Main.cc:9:5: note: suggested alternative: ‘printf’
     prinf("Nhập N,X,Y,Z:");
     ^~~~~
     printf
Main.cc:8:9: warning: unused variable ‘N’ [-Wunused-variable]
     int N,X,Y,Z;
         ^
Main.cc:8:11: warning: unused variable ‘X’ [-Wunused-variable]
     int N,X,Y,Z;
           ^
Main.cc:8:13: warning: unused variable ‘Y’ [-Wunused-variable]
     int N,X,Y,Z;
             ^
Main.cc:8:15: warning: unused variable ‘Z’ [-Wunused-variable]
     int N,X,Y,Z;
               ^