View Compilation Error

0_0_27924233_30645.cpp: In lambda function:
0_0_27924233_30645.cpp:116:40: error: 'Enlarge' was not declared in this scope
                 Enlarge(mxw[dep],length);
                                        ^
0_0_27924233_30645.cpp: In lambda function:
0_0_27924233_30645.cpp:136:37: error: 'Enlarge' was not declared in this scope
                 Enlarge(mxw[p.x],p.y);
                                     ^
0_0_27924233_30645.cpp: In function 'void Work()':
0_0_27924233_30645.cpp:150:5: error: 'fin' was not declared in this scope
     fin>>n>>m;
     ^
0_0_27924233_30645.cpp:180:35: error: 'Enlarge' was not declared in this scope
             Enlarge(Ans,poly[i](x));
                                   ^
0_0_27924233_30645.cpp:181:9: error: 'fout' was not declared in this scope
         fout<<Ans<<'\n';
         ^
0_0_27924233_30645.cpp: In function 'int main()':
0_0_27924233_30645.cpp:186:11: error: 'fin' was not declared in this scope
     int T;fin>>T;
           ^