foo.cc:2:13: error: too many decimal points in number
 arr = array[0..18] of longint;  
             ^~~~~
foo.cc:1:1: error: 'type' does not name a type
 type  
 ^~~~
foo.cc:4:3: error: found ':' in nested-name-specifier, expected '::'
 a : arr = (1, 1, 2, 5, 14, 42, 132,429, 1430, 4862, 16796, 58786, 208012,742900, 2674440, 9694845, 35357670,129644790, 477638700);  
   ^
foo.cc:4:1: error: 'a' does not name a type
 a : arr = (1, 1, 2, 5, 14, 42, 132,429, 1430, 4862, 16796, 58786, 208012,742900, 2674440, 9694845, 35357670,129644790, 477638700);  
 ^
foo.cc:5:1: error: 'var' does not name a type; did you mean 'char'?
 var  
 ^~~
 char
foo.cc:7:1: error: 'procedure' does not name a type
 procedure print(idx,nodes : longint);  
 ^~~~~~~~~
foo.cc:8:1: error: 'var' does not name a type; did you mean 'char'?
 var  
 ^~~
 char
foo.cc:10:1: error: 'begin' does not name a type
 begin  
 ^~~~~
foo.cc:12:1: error: expected unqualified-id before 'if'
 if nodes = 1 then begin  
 ^~
foo.cc:14:1: error: 'exit' does not name a type
 exit;  
 ^~~~
foo.cc:15:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:16:1: error: expected unqualified-id before 'for'
 for i := 0 to nodes-1 do begin  
 ^~~
foo.cc:18:1: error: expected unqualified-id before 'if'
 if temp > idx then begin  
 ^~
foo.cc:20:1: error: 'j' does not name a type
 j := i;  
 ^
foo.cc:21:1: error: expected unqualified-id before 'break'
 break;  
 ^~~~~
foo.cc:22:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:23:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:24:1: error: expected unqualified-id before 'if'
 if j  0 then begin  
 ^~
foo.cc:26:6: error: expected constructor, destructor, or type conversion before '(' token
 write('(');  
      ^
foo.cc:27:6: error: expected constructor, destructor, or type conversion before '(' token
 print(pos1,j);  
      ^
foo.cc:28:6: error: expected constructor, destructor, or type conversion before '(' token
 write(')');  
      ^
foo.cc:29:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:30:6: error: expected constructor, destructor, or type conversion before '(' token
 write('X');  
      ^
foo.cc:31:1: error: expected unqualified-id before 'if'
 if (nodes-1-j)  0 then begin  
 ^~
foo.cc:33:6: error: expected constructor, destructor, or type conversion before '(' token
 write('(');  
      ^
foo.cc:34:6: error: expected constructor, destructor, or type conversion before '(' token
 print(pos2,nodes-1-j);  
      ^
foo.cc:35:6: error: expected constructor, destructor, or type conversion before '(' token
 write(')');  
      ^
foo.cc:36:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:37:1: error: 'end' does not name a type; did you mean 'enum'?
 end;  
 ^~~
 enum
foo.cc:38:1: error: 'procedure' does not name a type
 procedure solve(n : longint);  
 ^~~~~~~~~
foo.cc:39:1: error: 'var' does not name a type; did you mean 'char'?
 var  
 ^~~
 char
foo.cc:41:1: error: 'begin' does not name a type
 begin  
 ^~~~~
foo.cc:43:1: error: 'nodes' does not name a type
 nodes:=0;  
 ^~~~~
foo.cc:44:1: error: expected unqualified-id before 'while'
 while temp
 ^~~~~

正在同步测试数据，请稍后
自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。