View Compilation Error

0_0_26025192_9648.cpp: In function 'int main()':
0_0_26025192_9648.cpp:144:38: error: too few arguments to function 'void ad(int, int, int, int, bool)'
    ad(u + (1 - op) * nn , xu , 1 , -w);
                                      ^
0_0_26025192_9648.cpp:28:6: note: declared here
 void ad(int from , int to , int cap , int cos , bool f)
      ^