Main.cc: In function 'int main()':
Main.cc:8:19: warning: left operand of comma operator has no effect [-Wunused-value]
    8 |      for(int i=0;i<=11,i++)
      |                  ~^~~~
Main.cc:8:27: error: expected ';' before ')' token
    8 |      for(int i=0;i<=11,i++)
      |                           ^
      |                           ;
Main.cc:15:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   15 |  for(int m=0;m<=11;m++);
      |  ^~~
Main.cc:16:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   16 |  {
      |  ^
Main.cc:17:59: error: break statement not within loop or switch
   17 |      if(S[m]!=0){printf("The missing integer is:%d",S[m]);break}
      |                                                           ^~~~~
Main.cc:17:64: error: expected ';' before '}' token
   17 |      if(S[m]!=0){printf("The missing integer is:%d",S[m]);break}
      |                                                                ^
      |                                                                ;