View Compilation Error

0_0_14268773_18166.cpp: In function 'void dfs(int)':
0_0_14268773_18166.cpp:16:10: error: expected ';' before ':' token
     for(v:num[u])
          ^
0_0_14268773_18166.cpp:21:1: error: expected primary-expression before '}' token
 }
 ^
0_0_14268773_18166.cpp:21:1: error: expected ';' before '}' token
0_0_14268773_18166.cpp:21:1: error: expected primary-expression before '}' token
0_0_14268773_18166.cpp:21:1: error: expected ')' before '}' token
0_0_14268773_18166.cpp:21:1: error: expected primary-expression before '}' token