View Compilation Error

0_0_21896079_23063.cpp: In function 'int main()':
0_0_21896079_23063.cpp:48:6: error: expected ';' before 'memset'
      memset(cap,0,sizeof(cap));
      ^
0_0_21896079_23063.cpp:56:21: error: 'k' was not declared in this scope
      cout<<"Case "<<k++<<": "<<Edmonds_Karp(1,n)<<endl;
                     ^