View Compilation Error

0_0_29645849_17894.cpp: In function 'int main()':
0_0_29645849_17894.cpp:112:26: error: 'e' was not declared in this scope
                   if(bit[e]) 
                          ^
0_0_29645849_17894.cpp:117:23: error: 'e' was not declared in this scope
                   bit[e] = 0;
                       ^