0_0_39304423_7603.cpp:8:7: error: expected nested-name-specifier before 'namespacestd'
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~~~~~~~~~~~
0_0_39304423_7603.cpp:8:20: error: 'list' does not name a type
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~~~
0_0_39304423_7603.cpp:8:31: error: 'list' does not name a type
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~~~
0_0_39304423_7603.cpp: In function 'int main()':
0_0_39304423_7603.cpp:8:73: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~~
| std::cin
In file included from 0_0_39304423_7603.cpp:2:
gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/iostream:62:18: note: 'std::cin' declared here
62 | extern istream cin; ///< Linked to standard input
| ^~~
0_0_39304423_7603.cpp:8:98: error: 'a' was not declared in this scope
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^
0_0_39304423_7603.cpp:8:186: error: 'it' was not declared in this scope; did you mean 't'?
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~
| t
0_0_39304423_7603.cpp:8:274: error: 'it' was not declared in this scope; did you mean 't'?
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ^~
| t
0_0_39304423_7603.cpp:8:332: error: expected ')' before ';' token
8 | using namespacestd;list<int>a;list<int>::iterator it;int main(){int t,n;cin>>t;while(t--){cin>>n;a.clear();int k=2;for(int i=1;i<=n;i++){a.push_back(i);}while(a.size()>3){int cnt=1;for(it=a.begin();it!=a.end();){if(cnt++%k==0){it=a.erase(it);}else it++: }}k=(k==2?3:2);for(it=a.begin();it!=a.end();it++){if(it!=a.begin())printf(" ";printf("%d",*it);}printf("\n");}return 0;}
| ~ ^
| )
|
