View Compilation Error

0_0_26939581_27591.cpp: In function 'int findmax(int, int)':
0_0_26939581_27591.cpp:137:12: error: 'deep' was not declared in this scope
         if(deep[f1] < deep[f2]) {   //从深的开始
            ^
0_0_26939581_27591.cpp:148:8: error: 'deep' was not declared in this scope
     if(deep[u] > deep[v])
        ^
0_0_26939581_27591.cpp: In function 'int main()':
0_0_26939581_27591.cpp:171:16: error: 'deep' was not declared in this scope
             if(deep[ a[i].u ] < deep[ a[i].v ]) {
                ^