foo.cc: In function 'int main()':
foo.cc:31:31: error: cannot convert 'bool (*)[10]' to 'int (*)[10]' for argument '6' to 'void Solve(int (*)[10], int, int, int, int, int (*)[10], int)'
  Solve(M,m,n, 0,0,visited, ans); 
                               ^

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