Compiler output
prog.cpp: In function 'int main()':
prog.cpp:12:22: error: no match for 'operator!=' (operand types are 'std::basic_istream<char>' and 'int')
while((cin >> x) != EOF)
^
prog.cpp:12:22: note: candidates are:
In file included from /usr/include/c++/4.9/iosfwd:40:0,
from /usr/include/c++/4.9/ios:38,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/postypes.h:221:5: note: template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)
operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
^
/usr/include/c++/4.9/bits/postypes.h:221:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::fpos<_StateT>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/stl_algobase.h:64:0,
from /usr/include/c++/4.9/bits/char_traits.h:39,
from /usr/include/c++/4.9/ios:40,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/stl_pair.h:227:5: note: template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)
operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
^
/usr/include/c++/4.9/bits/stl_pair.h:227:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::pair<_T1, _T2>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/stl_algobase.h:67:0,
from /usr/include/c++/4.9/bits/char_traits.h:39,
from /usr/include/c++/4.9/ios:40,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/stl_iterator.h:304:5: note: template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
operator!=(const reverse_iterator<_Iterator>& __x,
^
/usr/include/c++/4.9/bits/stl_iterator.h:304:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/stl_algobase.h:67:0,
from /usr/include/c++/4.9/bits/char_traits.h:39,
from /usr/include/c++/4.9/ios:40,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/stl_iterator.h:354:5: note: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
operator!=(const reverse_iterator<_IteratorL>& __x,
^
/usr/include/c++/4.9/bits/stl_iterator.h:354:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/stl_algobase.h:67:0,
from /usr/include/c++/4.9/bits/char_traits.h:39,
from /usr/include/c++/4.9/ios:40,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/stl_iterator.h:1060:5: note: template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
operator!=(const move_iterator<_IteratorL>& __x,
^
/usr/include/c++/4.9/bits/stl_iterator.h:1060:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::move_iterator<_Iterator>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/stl_algobase.h:67:0,
from /usr/include/c++/4.9/bits/char_traits.h:39,
from /usr/include/c++/4.9/ios:40,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/stl_iterator.h:1066:5: note: template<class _Iterator> bool std::operator!=(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
operator!=(const move_iterator<_Iterator>& __x,
^
/usr/include/c++/4.9/bits/stl_iterator.h:1066:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::move_iterator<_Iterator>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/string:41:0,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/allocator.h:138:5: note: template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)
operator!=(const allocator<_T1>&, const allocator<_T2>&)
^
/usr/include/c++/4.9/bits/allocator.h:138:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::allocator<_CharT>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/string:41:0,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/allocator.h:143:5: note: template<class _Tp> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_CharT>&)
operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
^
/usr/include/c++/4.9/bits/allocator.h:143:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::allocator<_CharT>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/string:52:0,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/basic_string.h:2551:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::basic_string<_CharT, _Traits, _Alloc>&, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
^
/usr/include/c++/4.9/bits/basic_string.h:2551:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/string:52:0,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/basic_string.h:2563:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const std::basic_string<_CharT, _Traits, _Alloc>&)
operator!=(const _CharT* __lhs,
^
/usr/include/c++/4.9/bits/basic_string.h:2563:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: mismatched types 'const _CharT*' and 'std::basic_istream<char>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/string:52:0,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/basic_string.h:2575:5: note: template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
^
/usr/include/c++/4.9/bits/basic_string.h:2575:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::basic_string<_CharT, _Traits, _Alloc>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/bits/locale_facets.h:48:0,
from /usr/include/c++/4.9/bits/basic_ios.h:37,
from /usr/include/c++/4.9/ios:44,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
/usr/include/c++/4.9/bits/streambuf_iterator.h:210:5: note: template<class _CharT, class _Traits> bool std::operator!=(const std::istreambuf_iterator<_CharT, _Traits>&, const std::istreambuf_iterator<_CharT, _Traits>&)
operator!=(const istreambuf_iterator<_CharT, _Traits>& __a,
^
/usr/include/c++/4.9/bits/streambuf_iterator.h:210:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::istreambuf_iterator<_CharT, _Traits>'
while((cin >> x) != EOF)
^
In file included from /usr/include/c++/4.9/vector:64:0,
from prog.cpp:2:
/usr/include/c++/4.9/bits/stl_vector.h:1535:5: note: template<class _Tp, class _Alloc> bool std::operator!=(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)
operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
^
/usr/include/c++/4.9/bits/stl_vector.h:1535:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:74:0,
from /usr/include/c++/4.9/cstdio:42,
from /usr/include/c++/4.9/ext/string_conversions.h:43,
from /usr/include/c++/4.9/bits/basic_string.h:2850,
from /usr/include/c++/4.9/string:52,
from /usr/include/c++/4.9/bits/locale_classes.h:40,
from /usr/include/c++/4.9/bits/ios_base.h:41,
from /usr/include/c++/4.9/ios:42,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/iostream:39,
from prog.cpp:1:
prog.cpp:12:25: note: 'std::basic_istream<char>' is not derived from 'const std::vector<_Tp, _Alloc>'
while((cin >> x) != EOF)
^
prog.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(j = 0 ; j < c[i].size() ; j++)
^