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3:
593cpp.cpp: In function ‘int main()’:
593cpp.cpp:9:5: warning: statement has no effect [-Wunused-value]
9 | for(s1; s1!=NULL; ++s1)
| ^~
593cpp.cpp:9:11: error: no match for ‘operator!=’ (operand types are ‘std::string’ {aka ‘std::__cxx11::basic_string\<char>’} and ‘long int’)
9 | for(s1; s1!=NULL; ++s1)
| ^
In file included from /usr/include/c++/13/iosfwd:42,
from /usr/include/c++/13/ios:40,
from /usr/include/c++/13/ostream:40,
from /usr/include/c++/13/iostream:41,
from 593cpp.cpp:1:
/usr/include/c++/13/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++/13/bits/postypes.h:197:5: note: template argument deduction/substitution failed:
In file included from /usr/include/stdio.h:33,
from /usr/include/c++/13/cstdio:42,
from /usr/include/c++/13/ext/stringconversions.h:45,
from /usr/include/c++/13/bits/basicstring.h:4097,
from /usr/include/c++/13/string:54,
from /usr/include/c++/13/bits/localeclasses.h:40,
from /usr/include/c++/13/bits/iosbase.h:41,
from /usr/include/c++/13/ios:44:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::fpos<_StateT>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/c++/13/string:43:
/usr/include/c++/13/bits/allocator.h:245:5: note: candidate: ‘template<class _T1, class _T2> bool std::operator!=(const allocator\<_CharT>&, const allocator\<_T2>&)’
245 | operator!=(const allocator\<_T1>&, const allocator\<_T2>&)
| ^~
/usr/include/c++/13/bits/allocator.h:245:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::allocator<_CharT>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/c++/13/string:48:
/usr/include/c++/13/bits/stl_iterator.h:462:5: note: candidate: ‘template<class _Iterator> bool std::operator!=(const reverse_iterator\<_Iterator>&, const reverse_iterator\<_Iterator>&)’
462 | operator!=(const reverse_iterator\<_Iterator>& __x,
| ^~
/usr/include/c++/13/bits/stliterator.h:462:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::reverseiterator<_Iterator>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/stl_iterator.h:507:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator!=(const reverse_iterator\<_Iterator>&, const reverse_iterator\<_IteratorR>&)’
507 | operator!=(const reverse_iterator\<_IteratorL>& __x,
| ^~
/usr/include/c++/13/bits/stliterator.h:507:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::reverseiterator<_Iterator>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/stl_iterator.h:1697:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator!=(const move_iterator\<_IteratorL>&, const move_iterator\<_IteratorR>&)’
1697 | operator!=(const move_iterator\<_IteratorL>& __x,
| ^~
/usr/include/c++/13/bits/stliterator.h:1697:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::moveiterator<_IteratorL>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/stl_iterator.h:1763:5: note: candidate: ‘template<class _Iterator> bool std::operator!=(const move_iterator\<_IteratorL>&, const move_iterator\<_IteratorL>&)’
1763 | operator!=(const move_iterator\<_Iterator>& __x,
| ^~
/usr/include/c++/13/bits/stliterator.h:1763:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::moveiterator<_IteratorL>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
from /usr/include/c++/13/string:51:
/usr/include/c++/13/bits/stl_pair.h:842:5: note: candidate: ‘template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)’
842 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~
/usr/include/c++/13/bits/stlpair.h:842:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::pair<T1, _T2>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/basic_string.h:3776:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
3776 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~
/usr/include/c++/13/bits/basicstring.h:3776:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: mismatched types ‘const std::cxx11::basicstring<CharT, Traits, _Alloc>’ and ‘long int’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/basic_string.h:3790:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’
3790 | operator!=(const _CharT* __lhs,
| ^~
/usr/include/c++/13/bits/basicstring.h:3790:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: mismatched types ‘const CharT*’ and ‘std::cxx11::basicstring<char>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
/usr/include/c++/13/bits/basic_string.h:3803:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)’
3803 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~
/usr/include/c++/13/bits/basicstring.h:3803:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: mismatched types ‘const _CharT*’ and ‘long int’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/c++/13/bits/locale_facets.h:48,
from /usr/include/c++/13/bits/basic_ios.h:37,
from /usr/include/c++/13/ios:46:
/usr/include/c++/13/bits/streambuf_iterator.h:242:5: note: candidate: ‘template<class _CharT, class _Traits> bool std::operator!=(const istreambuf_iterator<_CharT, _Traits>&, const istreambuf_iterator<_CharT, _Traits>&)’
242 | operator!=(const istreambuf_iterator<_CharT, _Traits>& __a,
| ^~
/usr/include/c++/13/bits/streambufiterator.h:242:5: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} is not derived from ‘const std::istreambufiterator<CharT, _Traits>’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33,
from /usr/include/c++/13/bits/allocator.h:46:
/usr/include/c++/13/bits/new_allocator.h:218:9: note: candidate: ‘template<class _Up> bool std::operator!=(const __new_allocator\<char>&, const __new_allocator\<_Tp>&)’
218 | operator!=(const __new_allocator&, const __new_allocator\<_Up>&)
| ^~
/usr/include/c++/13/bits/newallocator.h:218:9: note: template argument deduction/substitution failed:
593cpp.cpp:9:13: note: mismatched types ‘const std::newallocator<_Tp>’ and ‘long int’
9 | for(s1; s1!=NULL; ++s1)
| ^~
In file included from /usr/include/c++/13/bits/ios_base.h:46:
/usr/include/c++/13/system_error:525:3: note: candidate: ‘bool std::operator!=(const error_code&, const error_code&)’
525 | operator!=(const error_code& __lhs, const error_code& __rhs) noexcept
| ^~
/usr/include/c++/13/systemerror:525:32: note: no known conversion for argument 1 from ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} to ‘const std::errorcode&’
525 | operator!=(const errorcode& lhs, const errorcode& _rhs) noexcept
| ~~~~^~~
/usr/include/c++/13/systemerror:530:3: note: candidate: ‘bool std::operator!=(const errorcode&, const errorcondition&)’
530 | operator!=(const errorcode& _lhs, const errorcondition& _rhs) noexcept
| ^~~~
/usr/include/c++/13/system_error:530:32: note: no known conversion for argument 1 from ‘std::string’ {aka ‘std::__cxx11::basic_string\<char>’} to ‘const std::error_code&’
530 | operator!=(const error_code& __lhs, const error_condition& __rhs) noexcept
| ~~~~^~~
/usr/include/c++/13/system_error:535:3: note: candidate: ‘bool std::operator!=(const error_condition&, const error_code&)’
535 | operator!=(const error_condition& __lhs, const error_code& __rhs) noexcept
| ^~~~
/usr/include/c++/13/systemerror:535:37: note: no known conversion for argument 1 from ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} to ‘const std::errorcondition&’
535 | operator!=(const errorcondition& lhs, const errorcode& _rhs) noexcept
| ~~~~~^~~
/usr/include/c++/13/system_error:540:3: note: candidate: ‘bool std::operator!=(const error_condition&, const error_condition&)’
540 | operator!=(const error_condition& __lhs,
| ^~~~
/usr/include/c++/13/systemerror:540:37: note: no known conversion for argument 1 from ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} to ‘const std::errorcondition&’
540 | operator!=(const errorcondition& lhs,
| ~~~~~^~~
/usr/include/c++/13/bits/allocator.h:222:7: note: candidate: ‘bool std::operator!=(const allocator\<char>&, const allocator\<char>&)’
222 | operator!=(const allocator&, const allocator&) _GLIBCXX_NOTHROW
| ^~~~
/usr/include/c++/13/bits/allocator.h:222:18: note: no known conversion for argument 1 from ‘std::string’ {aka ‘std::cxx11::basicstring<char>’} to ‘const std::allocator<char>&’
222 | operator!=(const allocator&, const allocator&) _GLIBCXXNOTHROW
| ^~~~
593cpp.cpp:9:19: error: no match for ‘operator++’ (operand type is ‘std::string’ {aka ‘std::__cxx11::basic_string\<char>’})
9 | for(s1; s1!=NULL; ++s1)
| ^~
593cpp.cpp:10:8: error: no match for ‘operator’ (operand type is ‘std::string’ {aka ‘std::cxx11::basic_string<char>’})
10 | cout <<s1<<" " <<int(s1)<<" ";
| ^
593cpp.cpp:10:23: error: no match for ‘operator’ (operand type is ‘std::string’ {aka ‘std::cxx11::basicstring<char>’})
10 | cout <<*s1<<" " <<int(*s1)<<" ";
struct groupinfo initgroups = { .usage = ATOMICINIT(2) };
struct groupinfo *groupsalloc(int gidsetsize){
struct group_info *group_info;
int nblocks;
int i;
nblocks = (gidsetsize + NGROUPS_PER_BLOCK - 1) / NGROUPS_PER_BLOCK;
/* Make sure we always allocate at least one indirect block pointer */
nblocks = nblocks ? : 1;
group_info = kmalloc(sizeof(*group_info) + nblocks*sizeof(gid_t *), GFP_USER);
if (!group_info)
return NULL;
group_info->ngroups = gidsetsize;
group_info->nblocks = nblocks;
atomic_set(&group_info->usage, 1);
if (gidsetsize <= NGROUPS_SMALL)
group_info->blocks[0] = group_info->small_block;
else {
for (i = 0; i < nblocks; i++) {
gid_t *b;
b = (void *)__get_free_page(GFP_USER);
if (!b)
goto out_undo_partial_alloc;
group_info->blocks[i] = b;
}
}
return group_info;
outundopartial_alloc:
while (--i >= 0) {
free_page((unsigned long)group_info->blocks[i]);
}
kfree(group_info);
return NULL;
}
EXPORTSYMBOL(groupsalloc);
void groupsfree(struct groupinfo *group_info)
{
if (group_info->blocks[0] != group_info->small_block) {
int i;
for (i = 0; i < group_info->nblocks; i++)
free_page((unsigned long)group_info->blocks[i]);
}
kfree(group_info);
}
EXPORTSYMBOL(groupsfree);
/* export the group_info to a user-space array */
static int groupstouser(gidt _user *grouplist,
const struct group_info *group_info)
{
int i;
unsigned int count = group_info->ngroups;
for (i = 0; i < group_info->nblocks; i++) {
unsigned int cp_count = min(NGROUPS_PER_BLOCK, count);
unsigned int len = cp_count * sizeof(*grouplist);
if (copy_to_user(grouplist, group_info->blocks[i], len))
return -EFAULT;
grouplist += NGROUPS_PER_BLOCK;
count -= cp_count;
}
return 0;
}
/* fill a group_info from a user-space array - it must be allocated already */
static int groupsfromuser(struct groupinfo *groupinfo,
gid_t __user *grouplist)
{
int i;
unsigned int count = group_info->ngroups;
for (i = 0; i < group_info->nblocks; i++) {
unsigned int cp_count = min(NGROUPS_PER_BLOCK, count);
unsigned int len = cp_count * sizeof(*grouplist);
if (copy_from_user(group_info->blocks[i], grouplist, len))
return -EFAULT;
grouplist += NGROUPS_PER_BLOCK;
count -= cp_count;
}
return 0;
}
/* a simple Shell sort */
static void groupssort(struct groupinfo *group_info)
{
int base, max, stride;
int gidsetsize = group_info->ngroups;
for (stride = 1; stride < gidsetsize; stride = 3 * stride + 1)
; /* nothing */
stride /= 3;
while (stride) {
max = gidsetsize - stride;
for (base = 0; base < max; base++) {
int left = base;
int right = left + stride;
gid_t tmp = GROUP_AT(group_info, right);
while (left >= 0 && GROUP_AT(group_info, left) > tmp) {
GROUP_AT(group_info, right) =
GROUP_AT(group_info, left);
right = left;
left -= stride;
}
GROUP_AT(group_info, right) = tmp;
}
stride /= 3;
}
}
/* a simple bsearch */
int groupssearch(const struct groupinfo *groupinfo, gidt grp)
{
unsigned int left, right;
if (!group_info)
return 0;
left = 0;
right = group_info->ngroups;
while (left < right) {
unsigned int mid = left + (right - left)/2;
if (grp > GROUP_AT(group_info, mid))
left = mid + 1;
else if (grp < GROUP_AT(group_info, mid))
right = mid;
else
return 1;
}
return 0;
}
/**
set_groups - Change a group subscription in a set of credentials
@new: The newly prepared set of credentials to alter
@group_info: The group list to install
*
Validate a group subscription and, if valid, insert it into a set
of credentials.
*/
int setgroups(struct cred *new, struct groupinfo *group_info)
{
put_group_info(new->group_info);
groups_sort|
include <bits/stdc++.h>
using namespace std;
int main() { long long n; cin >> n; for (long long i = 1; i <= n; i++) { cout << i << " "; } cout << "!"; }
???
include<bits/stdc++.h>
using namespace std;
int main()
{
long long a,b;
cin>>a>>b;
cout<<__gcd(a,b)< using namespace std; int sumDivisors(int n) {
int sum = 0;
for (int i = 1; i <= n; i++) {
if (n % i == 0) {
sum += i;
}
}
return sum;
} int main() {
int n;
cin >> n;
cout << sumDivisors(n) << endl;
return 0;
}include <iostream>