View Compilation Error

0_0_35681508_30407.cpp: In function 'void init()':
0_0_35681508_30407.cpp:38:17: error: 'cut' was not declared in this scope
     Time=cnt=0; cut=0;
                 ^
0_0_35681508_30407.cpp: In function 'void dfs1(int, int)':
0_0_35681508_30407.cpp:69:16: error: 'Dfs' was not declared in this scope
         Dfs(y,x);
                ^