Submission #70630

#TimeUsernameProblemLanguageResultExecution timeMemory
70630khohkoAlternating Current (BOI18_alternating)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #pragma GCC optimize("O3") using namespace std; #define ll long long #define pb push_back #define fr first #define sc second #define MAX ((ll)(1e12+100)) #define MX ((ll)(1e6+100)) #define ARRS ((ll)(2e6+100)) #define HS ((ll)(233)) #define MOD ((ll)(1e9+7)) #define EP ((double)(1e-9)) #define LG 21 #define mul(a,b) a=((a)*(b))%MOD using namespace std; ll n,m; pair<ll,pair<ll,ll> > a[ARRS]; ll pas[ARRS]; void eend(){ cout<<"impossible"; exit(0); } void rot(ll x){ for(int i=0; i<m; i++){ a[i].fr=(a[i].fr+n-x)%n+1; a[i].sc=(a[i].sc+n-x)%n+1; } } int main(){ #ifdef KHOKHO freopen("indndklvnlkvljnvdsvndkvjdsklvndslkvsdkvdsnvklvnlkdnlkdv;jbfkjdlm@edvlkoijmlkk vikdnvlsdlkm[;';nv javlvv vkav;ld psv aovav aao[sa'malvmamsa;sanvks;f;ksf;lmvlsam'v'savpkavmav vn'vma'lvm'al vka;k nikabbis noob kvkanvll l vj lppivnaksv baqar is genius fnljvla lvanpo si also noob ahahahahahv avav vjavlaj vanslvaslkv vknlkl @Inlnvundvlvj lKA; i kl flanlvvldjvndajlnvijjpmvlalvnasvll.in","r",stdin); freopen("out.out","w",stdout); #endif // KHOKHO cin>>n>>m; pair<ll,ll> mx={-1,0}; for(int i=0; i<m; i++){ cin>>a[i].fr>>a[i].sc.fr; if(a[i].fr<=a[i].sc.fr) mx=max(mx,{a[i].sc.fr-a[i].fr,i}); else mx=max(mx,{n-(a[i].fr-a[i].sc.fr)+1,i}); a[i].sc.sc=i; } sort(a,a+m); ll ma=0,mb=0,j=0; multiset<pair<ll,ll> > st; for(int i=1; i<=n; i++){ while(j<m&&a[j].fr==i)st.insert(a[j].sc),j++; while(st.size()&&st.begin()->fr<i)st.erase(st.begin()); if(ma<i){ if(!st.size())eend(); ma=st.begin()->fr; pas[st.begin()->sc]=1; st.erase(st.begin()); } if(mb<i){ if(!st.size())eend(); mb=st.begin()->fr; pas[st.begin()->sc]=0; st.erase(st.begin()); } } for(int i=0; i<m; i++) cout<<pas[i]; }

Compilation message (stderr)

alternating.cpp:36:11: warning: missing terminating " character
   freopen("indndklvnlkvljnvdsvndkvjdsklvndslkvsdkvdsnvklvnlkdnlkdv;jbfkjdlm@edvlkoijmlkk
           ^
alternating.cpp:39:20: warning: missing terminating ' character
      vikdnvlsdlkm[;';nv
                    ^
alternating.cpp:46:45: warning: missing terminating ' character
      aao[sa'malvmamsa;sanvks;f;ksf;lmvlsam'v'savpkavmav
                                             ^
alternating.cpp:48:16: warning: missing terminating ' character
      vn'vma'lvm'al
                ^
alternating.cpp:61:71: warning: missing terminating " character
      @Inlnvundvlvj lKA; i kl flanlvvldjvndajlnvijjpmvlalvnasvll.in","r",stdin);
                                                                       ^
alternating.cpp: In function 'void rot(long long int)':
alternating.cpp:30:19: error: no match for 'operator+' (operand types are 'std::pair<long long int, long long int>' and 'long long int')
   a[i].sc=(a[i].sc+n-x)%n+1;
            ~~~~~~~^~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:397:5: note: candidate: template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)
     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:397:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'long long int'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:1198:5: note: candidate: template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)
     operator+(typename move_iterator<_Iterator>::difference_type __n,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:1198:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'long long int'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5876:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5876:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:53:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.tcc:1157:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator+(const _CharT* __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1157:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const _CharT*' and 'std::pair<long long int, long long int>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:53:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.tcc:1173:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1173:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'long long int'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5913:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5913:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5929:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, _CharT)
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5929:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5941:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5941:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5947:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)
     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5947:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5953:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5953:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5965:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)
     operator+(const _CharT* __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5965:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const _CharT*' and 'std::pair<long long int, long long int>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5971:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)
     operator+(_CharT __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5971:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'long long int'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5977:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*)
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5977:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/string:52:0,
                 from /usr/include/c++/7/bits/locale_classes.h:40,
                 from /usr/include/c++/7/bits/ios_base.h:41,
                 from /usr/include/c++/7/ios:42,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/bits/basic_string.h:5983:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, _CharT)
     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.h:5983:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/ccomplex:39:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/complex:326:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const std::complex<_Tp>&)
     operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^~~~~~~~
/usr/include/c++/7/complex:326:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::complex<_Tp>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/ccomplex:39:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/complex:335:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator+(const std::complex<_Tp>&, const _Tp&)
     operator+(const complex<_Tp>& __x, const _Tp& __y)
     ^~~~~~~~
/usr/include/c++/7/complex:335:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   'std::pair<long long int, long long int>' is not derived from 'const std::complex<_Tp>'
   a[i].sc=(a[i].sc+n-x)%n+1;
                    ^
In file included from /usr/include/c++/7/ccomplex:39:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from alternating.cpp:1:
/usr/include/c++/7/complex:344:5: note: candidate: template<class _Tp> std::complex<_Tp> std::operator+(const _Tp&, const std::complex<_Tp>&)
     operator+(const _Tp& __x, const complex<_Tp>& __y)
     ^~~~~~~~
/usr/include/c++/7/complex:344:5: note:   template argument deduction/substitution failed:
alternating.cpp:30:20: note:   mismatched types 'const std::complex<_Tp>' an