Main.cc: In function ‘int main()’:
Main.cc:11:25: error: unable to find numeric literal operator ‘operator""：’
   11 |     switch(shield){case 1：
      |                         ^~~
Main.cc:11:25: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:11:29: error: expected ‘:’ before ‘hp’
   11 |     switch(shield){case 1：
      |                            ^
      |                            :
   12 |             hp=150;
      |             ~~              
Main.cc:16:21: error: unable to find numeric literal operator ‘operator""：’
   16 |                case 2：
      |                     ^~~
Main.cc:16:21: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:16:25: error: expected ‘:’ before ‘hp’
   16 |                case 2：
      |                        ^
      |                        :
   17 |             hp=175;
      |             ~~          
Main.cc:21:22: error: unable to find numeric literal operator ‘operator""：’
   21 |                 case 3：
      |                      ^~~
Main.cc:21:22: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:21:26: error: expected ‘:’ before ‘hp’
   21 |                 case 3：
      |                         ^
      |                         :
   22 |             hp=200;
      |             ~~           
Main.cc:26:23: error: unable to find numeric literal operator ‘operator""：’
   26 |                  case 4：
      |                       ^~~
Main.cc:26:23: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:26:27: error: expected ‘:’ before ‘hp’
   26 |                  case 4：
      |                          ^
      |                          :
   27 |             hp=225;
      |             ~~            
Main.cc:33:23: error: unable to find numeric literal operator ‘operator""：’
   33 |   switch(Weapon){case 1：
      |                       ^~~
Main.cc:33:23: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:33:27: error: expected ‘:’ before ‘harm’
   33 |   switch(Weapon){case 1：
      |                          ^
      |                          :
   34 |           harm=14;
      |           ~~~~            
Main.cc:38:21: error: unable to find numeric literal operator ‘operator""：’
   38 |                case 2：
      |                     ^~~
Main.cc:38:21: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:38:25: error: expected ‘:’ before ‘harm’
   38 |                case 2：
      |                        ^
      |                        :
   39 |           harm=18;
      |           ~~~~          
Main.cc:45:22: error: unable to find numeric literal operator ‘operator""：’
   45 |                 case 3：
      |                      ^~~
Main.cc:45:22: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:45:26: error: expected ‘:’ before ‘harm’
   45 |                 case 3：
      |                         ^
      |                         :
   46 |           harm=11;
      |           ~~~~           
Main.cc:50:23: error: unable to find numeric literal operator ‘operator""：’
   50 |                  case 4：
      |                       ^~~
Main.cc:50:23: note: use ‘-fext-numeric-literals’ to enable more built-in suffixes
Main.cc:50:27: error: expected ‘:’ before ‘harm’
   50 |                  case 4：
      |                          ^
      |                          :
   51 |           harm=45;
      |           ~~~~