Mã chấm: 268856

Main.cc: In function ‘int main()’:
Main.cc:8:18: error: invalid operands of types ‘const char [6]’ and ‘int’ to binary ‘operator&’
     scanf("%d %d"&x ,&y);
           ~~~~~~~^~
Main.cc:9:5: error: ‘pritnf’ was not declared in this scope
     pritnf("So tien can tra la : %d + %d +%d + %d = %d\n",a,b,x,y);
     ^~~~~~
Main.cc:9:5: note: suggested alternative: ‘printf’
     pritnf("So tien can tra la : %d + %d +%d + %d = %d\n",a,b,x,y);
     ^~~~~~
     printf
Main.cc:6:10: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&a ,&b);
     ~~~~~^~~~~~~~~~~~~~~~