Run id: 66560

Main.cc:3:17: error: expected identifier before ';' token
 using namespace ;
                 ^
Main.cc: In function 'int main()':
Main.cc:6:23: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=]
     scanf("%3d%1d",a,b);
                       ^
Main.cc:6:23: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int' [-Wformat=]
Main.cc:6:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%3d%1d",a,b);
                        ^