View Compilation Error

0_0_16363124_12052.cpp: In function 'int main()':
0_0_16363124_12052.cpp:100:20: error: no matching function for call to 'MCMF::init(int)'
   test.init(a3+b3+1);
                    ^
0_0_16363124_12052.cpp:100:20: note: candidate is:
0_0_16363124_12052.cpp:27:10: note: void MCMF::init()
     void init(){
          ^
0_0_16363124_12052.cpp:27:10: note:   candidate expects 0 arguments, 1 provided
0_0_16363124_12052.cpp:108:43: error: no matching function for call to 'MCMF::MincostMaxflow(int, int, int&)'
   int ans=test.MincostMaxflow(0,a3+b3+1,co);
                                           ^
0_0_16363124_12052.cpp:108:43: note: candidate is:
0_0_16363124_12052.cpp:70:9: note: int MCMF::MincostMaxflow(int, int, LL&)
     int MincostMaxflow(int s,int t,LL &cost){
         ^
0_0_16363124_12052.cpp:70:9: note:   no known conversion for argument 3 from 'int' to 'LL& {aka long long int&}'