View Compilation Error

0_0_23380850_13612.cpp:74:1: error: expected '}' at end of input
 }  
 ^
0_0_23380850_13612.cpp: In member function 'int segment_tree::main()':
0_0_23380850_13612.cpp:64:9: error: 'tree' was not declared in this scope
         tree.build(1, n, 1);  
         ^
0_0_23380850_13612.cpp: At global scope:
0_0_23380850_13612.cpp:74:1: error: expected unqualified-id at end of input
 }  
 ^