Main.cc:4:7: error: expected constructor, destructor, or type conversion before '(' token
    4 | memset(a,0,sizeof(a));
      |       ^
Main.cc:6:1: error: 'cin' does not name a type
    6 | cin>>b;
      | ^~~
Main.cc:7:1: error: expected unqualified-id before 'for'
    7 | for(int i=0;i<strlen(b)-1;i++){
      | ^~~
Main.cc:7:13: error: 'i' does not name a type
    7 | for(int i=0;i<strlen(b)-1;i++){
      |             ^
Main.cc:7:27: error: 'i' does not name a type
    7 | for(int i=0;i<strlen(b)-1;i++){
      |                           ^
Main.cc:14:1: error: expected unqualified-id before 'for'
   14 | for(int i=0;i<26;i++){
      | ^~~
Main.cc:14:13: error: 'i' does not name a type
   14 | for(int i=0;i<26;i++){
      |             ^
Main.cc:14:18: error: 'i' does not name a type
   14 | for(int i=0;i<26;i++){
      |                  ^
Main.cc:17:5: error: expected constructor, destructor, or type conversion before '(' token
   17 | sort(c,c+26);
      |     ^
Main.cc:18:8: error: expected constructor, destructor, or type conversion before '(' token
   18 | reverse(c,c+26);
      |        ^
Main.cc:19:1: error: expected unqualified-id before 'for'
   19 | for(int i=0;i<26;i++){
      | ^~~
Main.cc:19:13: error: 'i' does not name a type
   19 | for(int i=0;i<26;i++){
      |             ^
Main.cc:19:18: error: 'i' does not name a type
   19 | for(int i=0;i<26;i++){
      |                  ^
Main.cc:28:1: error: expected unqualified-id before 'return'
   28 | return 0;
      | ^~~~~~