View Compilation Error

0_0_33800753_28688.cpp: In function 'void solve(int)':
0_0_33800753_28688.cpp:148:15: error: 'tim' was not declared in this scope
             ++tim,dfs(v,u,1),g[i]+=bit::query(2,k/2+2);
               ^
0_0_33800753_28688.cpp:148:15: note: suggested alternative:
0_0_33800753_28688.cpp:73:27: note:   'bit::tim'
     int c[MAXN],dfn[MAXN],tim;
                           ^