View Compilation Error

0_0_30002578_23577.cpp: In function 'int main()':
0_0_30002578_23577.cpp:73:17: error: expected '}' before 'else'
                 else
                 ^
0_0_30002578_23577.cpp: At global scope:
0_0_30002578_23577.cpp:82:10: error: expected constructor, destructor, or type conversion before '(' token
     build(p,h);
          ^
0_0_30002578_23577.cpp:83:5: error: 'root' does not name a type
     root = build(p,h);
     ^
0_0_30002578_23577.cpp:84:1: error: expected declaration before '}' token
 }
 ^