Language: C++

#include<iostream>
#include<vector>

using namespace std;

int main()
{
	int r, c;	//???????¨?
	cin >> r >> c;
	
	vector<vector<int>> data(r, vector<int>( c ));

	vector<int> r_sum( c + 1, 0 );	//??????????????????
	int c_sum;	//?¨????????????????
	
	
	for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
	{
		vector<int>::iterator r_sum_it = r_sum.begin();
		c_sum = 0;
		
		for(vector<int>::iterator itx = ity->begin(); itx != ity->end(); itx++)
		{
			cin >> *itx;
			
			c_sum += *itx;
			
			*r_sum_it += *itx;
			r_sum_it++;
		}
		ity->push_back( c_sum );
		
		r_sum[c] += c_sum;	//???????????????
		
	}
	
	data.push_back( r_sum );
	
	
	for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
	{
		for(vector<int>::iterator itx = ity->begin(); itx != ity->end(); itx++)
		{
			cout << *itx << " ";
		}
		cout << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:51: error: conversion from '__normal_iterator<std::vector<int>*,vector<std::vector<int>>>' to non-scalar type '__normal_iterator<int*,vector<int>>' requested
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                         ~~~~~~~~~~^~
a.cc:17:59: error: no match for 'operator!=' (operand types are 'std::vector<int>::iterator' and 'std::vector<std::vector<int> >::iterator')
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                       ~~~ ^~ ~~~~~~~~~~
      |                                                       |              |
      |                                                       |              __normal_iterator<std::vector<int>*,vector<std::vector<int>>>
      |                                                       __normal_iterator<int*,vector<int>>
In file included from /usr/include/c++/14/iosfwd:42,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/postypes.h:197:5: note: candidate: 'template<class _StateT> bool std::operator!=(const fpos<_StateT>&, const fpos<_StateT>&)'
  197 |     operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:197:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::fpos<_StateT>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
In file included from /usr/include/c++/14/string:43,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/bits/allocator.h:243:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const allocator<_CharT>&, const allocator<_T2>&)'
  243 |     operator!=(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:243:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::allocator<_CharT>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  455 |     operator!=(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:455:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::reverse_iterator<_Iterator>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  500 |     operator!=(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::reverse_iterator<_Iterator>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1686 |     operator!=(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::move_iterator<_IteratorL>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1753 |     operator!=(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::move_iterator<_IteratorL>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1052 |     operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1052:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::pair<_T1, _T2>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:651:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  651 |     operator!=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:651:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/string_view:658:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  658 |     operator!=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:658:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/string_view:666:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  666 |     operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:666:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   '__gnu_cxx::__normal_iterator<std::vector<int>*, std::vector<std::vector<int> > >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3833:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3833 |     operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   'std::vector<int>::iterator' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3847:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3847 |     operator!=(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note:   template argument deduction/substitution failed:
a.cc:17:71: note:   mismatched types 'const _CharT*' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >'
   17 |         for(vector<int>::iterator ity = data.begin(); ity != data.end(); ity++)
      |                                                                       ^
/usr/include/c++/14/bits/basic_string.h:3860:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3860 |     operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note:   template argument deduction