View Compilation Error

0_0_32192628_10625.cpp: In function 'int main()':
0_0_32192628_10625.cpp:70:5: error: 'll' was not declared in this scope
     ll = ancestor(e[i].a);
     ^
0_0_32192628_10625.cpp:71:5: error: 'rr' was not declared in this scope
     rr = ancestor(e[i].b);
     ^
0_0_32192628_10625.cpp:111:5: error: 'll' was not declared in this scope
     ll = ancestor(e[i].a);
     ^
0_0_32192628_10625.cpp:112:5: error: 'rr' was not declared in this scope
     rr = ancestor(e[i].b);
     ^