View Compilation Error

0_0_17540265_18023.cpp:17:1: error: 'vvoid' does not name a type
 vvoid Tarjan(int u)
 ^
0_0_17540265_18023.cpp: In function 'int main()':
0_0_17540265_18023.cpp:74:17: error: 'Tarjan' was not declared in this scope
         Tarjan(1);
                 ^