/in/foo.cc: In function 'int main()':
/in/foo.cc:11:26: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
           if(m=1&&a[i]<=n)   
                          ^
/in/foo.cc:20:44: warning: left operand of comma operator has no effect [-Wunused-value]
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                           ~^~
/in/foo.cc:20:54: error: no matching function for call to 'max(int&, int [101])'
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                                      ^
In file included from /usr/include/c++/6/bits/char_traits.h:39:0,
                 from /usr/include/c++/6/ios:40,
                 from /usr/include/c++/6/istream:38,
                 from /usr/include/c++/6/sstream:38,
                 from /usr/include/c++/6/complex:45,
                 from /usr/include/c++/6/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
                 from /in/foo.cc:1:
/usr/include/c++/6/bits/stl_algobase.h:219:5: note: candidate: template<class _Tp> const _Tp& std::max(const _Tp&, const _Tp&)
     max(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/6/bits/stl_algobase.h:219:5: note:   template argument deduction/substitution failed:
/in/foo.cc:20:54: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int [101]')
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                                      ^
In file included from /usr/include/c++/6/bits/char_traits.h:39:0,
                 from /usr/include/c++/6/ios:40,
                 from /usr/include/c++/6/istream:38,
                 from /usr/include/c++/6/sstream:38,
                 from /usr/include/c++/6/complex:45,
                 from /usr/include/c++/6/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
                 from /in/foo.cc:1:
/usr/include/c++/6/bits/stl_algobase.h:265:5: note: candidate: template<class _Tp, class _Compare> const _Tp& std::max(const _Tp&, const _Tp&, _Compare)
     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/6/bits/stl_algobase.h:265:5: note:   template argument deduction/substitution failed:
/in/foo.cc:20:54: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'int [101]')
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                                      ^
In file included from /usr/include/c++/6/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:65,
                 from /in/foo.cc:1:
/usr/include/c++/6/bits/stl_algo.h:3459:5: note: candidate: template<class _Tp> _Tp std::max(std::initializer_list<_Tp>)
     max(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/6/bits/stl_algo.h:3459:5: note:   template argument deduction/substitution failed:
/in/foo.cc:20:54: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                                      ^
In file included from /usr/include/c++/6/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:65,
                 from /in/foo.cc:1:
/usr/include/c++/6/bits/stl_algo.h:3465:5: note: candidate: template<class _Tp, class _Compare> _Tp std::max(std::initializer_list<_Tp>, _Compare)
     max(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/6/bits/stl_algo.h:3465:5: note:   template argument deduction/substitution failed:
/in/foo.cc:20:54: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
                   f[i][j]=max(f[i-1][j],f[i-1,j-a[i]]);  
                                                      ^
/in/foo.cc:23:13: error: 'i' was not declared in this scope
     cout<<f[i][j];
             ^
/in/foo.cc:23:16: error: 'j' was not declared in this scope
     cout<<f[i][j];
                ^