View Compilation Error

0_0_36731068_14843.cpp: In function 'void solve()':
0_0_36731068_14843.cpp:44:5: error: expected ';' before 'fenwick'
     fenwick<int> fen(n);
     ^
0_0_36731068_14843.cpp:51:9: error: expected ';' before 'if'
         if (op == 1) {
         ^
0_0_36731068_14843.cpp:96:1: error: expected '}' at end of input
 }
 ^
0_0_36731068_14843.cpp:96:1: error: expected '}' at end of input