제출 #118310

#제출 시각아이디문제언어결과실행 시간메모리
118310MAMBA앵무새 (IOI11_parrots)C++17
컴파일 에러
0 ms0 KiB
#include "encoder.h" #include <bits/stdc++.h> #include "encoderlib.h" using namespace std; #define rep(i, j, k) for (int i = j; i < (int)k; i++) typedef long long ll; constexpr int N = 150 * 1000 + 10; const int LEN = (1 << 9); typedef array<int, LEN> sagy; sagy operator+(sagy l, sagy r) { sagy res; bool cary = false; rep(i, 0, LEN) { ll tmp = 1ll * l[i] + r[i] + (cary ? 1 : 0); res[i] = tmp & ((1l << 32) - 1); cary = tmp >> 32; } assert(!cary); return res; } bool operator<(sagy l, sagy r) { for (int i = LEN - 1; ~i; i--) { int tmp = l[i] ^ r[i]; if (tmp) { for (int j = 31;; j--) { if ((tmp >> j) & 1) return (r >> j) & 1; } } } return false; } const int L = 257; const int R = L + 64 * 5; sagy c[L][R]; inline void init() { rep(i, 0, R) { c[0][i][0] = true; if (i < L) c[i][i][0] = true; rep(j, 1, min(i, L)) c[j][i] = c[j - 1][i - 1] + c[j][i - 1]; } } int cnt[L]; void encode(int N, int M[]) { init(); return; sagy code; rep(i, 0, N) rep(j, 0, 8) code[(i << 3) + j] = (M[i] >> j) & 1; sagy ta_hala; int have = 5 * N; for (int i = 255; ~i; i--) { while (true) { sagy ta_alan = ta_hala; have--; cnt[i]++; ta_alan = ta_alan + c[i][have + i]; if (code < ta_alan) { have++; cnt[i]--; break; } ta_hala = ta_alan; } } rep(i, 0, 256) rep(j, 0, cnt[i]) send(i); }
#include "decoder.h" #include <bits/stdc++.h> #include "decoderlib.h" using namespace std; #define rep(i, j, k) for (int i = j; i < (int)k; i++) typedef long long ll; constexpr int N = 150 * 1000 + 10; const int LEN = (1 << 9); typedef array<int , LEN> sagy; sagy operator+(sagy l, sagy r) { sagy res; bool cary = false; rep(i, 0, LEN) { ll tmp = 1ll * l[i] + r[i] + (cary ? 1: 0); res[i] = tmp & ((1l << 32) - 1); cary = tmp >> 32; } assert(!cary); return res; } bool operator<(sagy l, sagy r) { for (int i = LEN - 1; ~i; i--) { int tmp = l[i] ^ r[i]; if (tmp) { for (int j = 31; ; j--) { if ((tmp >> j) & 1) return (r >> j) & 1; } } } return false; } const int L = 257; const int R = L + 64 * 5; sagy c[L][R]; inline void init() { rep(i, 0, R) { c[0][i][0] = true; if (i < L) c[i][i][0] = true; rep(j, 1, min(i, L)) c[j][i] = c[j - 1][i - 1] + c[j][i - 1]; } } int cnt[L]; void decode(int N, int L, int X[]) { return; init(); rep(i, 0, L) cnt[X[i]]++; sagy code; int have = 5 * N; for (int i = 255; ~i; i--) { while (cnt[i] > 1) { code = code + c[i][have + i]; have--; cnt[i]--; } have--; } code = code + c[0][0]; rep(i, 0, N) { int res = 0; rep(j, 0, 8) if (code[(i << 3) + j]) res += (1 << j); output(res); } }

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'bool operator<(sagy, sagy)':
encoder.cpp:34:39: error: no match for 'operator>>' (operand types are 'sagy {aka std::array<int, 512>}' and 'int')
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                     ~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45:0,
                 from encoder.cpp:2:
/usr/include/c++/7/cstddef:134:5: note: candidate: template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)
     operator>>(byte __b, _IntegerType __shift) noexcept
     ^~~~~~~~
/usr/include/c++/7/cstddef:134:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   cannot convert 'r' (type 'sagy {aka std::array<int, 512>}') to type 'std::byte'
         if ((tmp >> j) & 1) return (r >> j) & 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 encoder.cpp:2:
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/istream:991:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/bits/istream.tcc:963:5: note: candidate: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/istream:991:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/bits/istream.tcc:931:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/istream:756:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:756:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/istream:761:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)
     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:761:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/istream:803:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:803:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/istream:808:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)
     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:808:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 encoder.cpp:2:
/usr/include/c++/7/istream:980:5: note: candidate: template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&)
     operator>>(_Istream&& __is, _Tp&& __x)
     ^~~~~~~~
/usr/include/c++/7/istream:980:5: note:   template argument deduction/substitution failed:
/usr/include/c++/7/istream: In substitution of 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::array<int, 512>&; _Tp = int&]':
encoder.cpp:34:42:   required from here
/usr/include/c++/7/istream:980:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
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 encoder.cpp:2:
/usr/include/c++/7/complex:493:5: note: candidate: template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)
     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
     ^~~~~~~~
/usr/include/c++/7/complex:493:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:66:0,
                 from encoder.cpp:2:
/usr/include/c++/7/bitset:1462:5: note: candidate: template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)
     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
     ^~~~~~~~
/usr/include/c++/7/bitset:1462:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:71:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:71:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:101:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:101:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:132:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:132:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:170:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:170:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:200:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:200:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:230:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:230:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:264:5: note: candidate: template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:264:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from encoder.cpp:2:
/usr/include/c++/7/iomanip:418:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:418:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from encoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from encoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   'sagy {aka std::array<int, 512>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         if ((tmp >> j) & 1) return (r >> j) & 1;
                                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from encoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
encoder.cpp:34:42: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
         if ((tmp >> j) & 1) return 

decoder.cpp: In function 'bool operator<(sagy, sagy)':
decoder.cpp:36:23: error: no match for 'operator>>' (operand types are 'sagy {aka std::array<int, 512>}' and 'int')
             return (r >> j) & 1;
                     ~~^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:45:0,
                 from decoder.cpp:2:
/usr/include/c++/7/cstddef:134:5: note: candidate: template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)
     operator>>(byte __b, _IntegerType __shift) noexcept
     ^~~~~~~~
/usr/include/c++/7/cstddef:134:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   cannot convert 'r' (type 'sagy {aka std::array<int, 512>}') to type 'std::byte'
             return (r >> j) & 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 decoder.cpp:2:
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note: candidate: template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
     operator>>(basic_istream<_CharT, _Traits>& __in,
     ^~~~~~~~
/usr/include/c++/7/bits/basic_string.tcc:1465:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/istream:991:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/bits/istream.tcc:963:5: note: candidate: template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:963:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/istream:991:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/bits/istream.tcc:931:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
     operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
     ^~~~~~~~
/usr/include/c++/7/bits/istream.tcc:931:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/istream:756:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:756:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/istream:761:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)
     operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
     ^~~~~~~~
/usr/include/c++/7/istream:761:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/istream:803:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)
     operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:803:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/istream:808:5: note: candidate: template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)
     operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
     ^~~~~~~~
/usr/include/c++/7/istream:808:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<char, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/sstream:38:0,
                 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 decoder.cpp:2:
/usr/include/c++/7/istream:980:5: note: candidate: template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&)
     operator>>(_Istream&& __is, _Tp&& __x)
     ^~~~~~~~
/usr/include/c++/7/istream:980:5: note:   template argument deduction/substitution failed:
/usr/include/c++/7/istream: In substitution of 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::array<int, 512>&; _Tp = int&]':
decoder.cpp:36:26:   required from here
/usr/include/c++/7/istream:980:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
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 decoder.cpp:2:
/usr/include/c++/7/complex:493:5: note: candidate: template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)
     operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
     ^~~~~~~~
/usr/include/c++/7/complex:493:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:66:0,
                 from decoder.cpp:2:
/usr/include/c++/7/bitset:1462:5: note: candidate: template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)
     operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x)
     ^~~~~~~~
/usr/include/c++/7/bitset:1462:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:71:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:71:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:101:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:101:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:132:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:132:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:170:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:170:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:200:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:200:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:230:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:230:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:264:5: note: candidate: template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:264:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:72:0,
                 from decoder.cpp:2:
/usr/include/c++/7/iomanip:418:5: note: candidate: template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)
     operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
     ^~~~~~~~
/usr/include/c++/7/iomanip:418:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'std::basic_istream<_CharT, _Traits>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from decoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from decoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_right, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   'sagy {aka std::array<int, 512>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from decoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_right, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
     ^
/usr/include/c++/7/bits/valarray_after.h:411:5: note:   template argument deduction/substitution failed:
decoder.cpp:36:26: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
             return (r >> j) & 1;
                          ^
In file included from /usr/include/c++/7/valarray:592:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
                 from decoder.cpp:2:
/usr/include/c++/7/bits/valarray_after.h:411:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__shift_right, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)