View Compilation Error

0_0_24793105_31438.cpp: In function 'int tarjan(int, int)':
0_0_24793105_31438.cpp:42:24: error: 'struct Edge' has no member named 'to'
         int to=edge[i].to;
                        ^
0_0_24793105_31438.cpp:56:47: error: 'v' was not declared in this scope
             cnt=1,low[root]=min(low[root],dfn[v]);
                                               ^