View Compilation Error

0_0_21227257_8484.cpp: In function 'void solve()':
0_0_21227257_8484.cpp:249:16: error: too few arguments to function 'bool kosaraju(int)'
    if(kosaraju()){
                ^
0_0_21227257_8484.cpp:143:6: note: declared here
 bool kosaraju(int n)
      ^