제출 #378803

#제출 시각아이디문제언어결과실행 시간메모리
378803saarang123Bali Sculptures (APIO15_sculpture)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; const int mxn = 2002, lgn = 46; long long y[mxn], p[mxn]; int n, a, b; bool check(long long mask) { vector<int> dp(n + 1, n + 1); dp[0] = 0; for(int i = 1; i <= n; i++) for(int j = 0; j < i; j++) if((mask | (p[i] - p[j])) == mask) dp[i] = min(dp[i], dp[j] + 1); return dp[n] <= b; } bool fix(long long mask) { vector<vector<bool>> dp(n + 1, vector<bool>(n + 1)); dp[0][0] = true; for(int i = 1; i <= n; i++) for(int j = 1; j <= i; j++) for(int k = 0; k < i; k++) if((mask | (p[i] - p[k])) == mask) dp[i][j] |= dp[k][j - 1]; for(int i = a; i <= b; i++) if(dp[n][i]) return true; return false; } signed main() { std::ios::sync_with_stdio(0); std::cout.tie(0); std::cin.tie(0); #ifdef saarang freopen("/home/saarang/Documents/cp/input.txt", "r", stdin); freopen("/home/saarang/Documents/cp/output.txt", "w", stdout); #endif cin >> n >> a >> b; for(int i = 1; i <= n; i++) cin >> y[i]; for(int i = 1; i <= n; i++) p[i] = p[i - 1] + y[i]; long long ans = (1LL << lgn) - 1; for(int bit = lgn - 1; bit >= 0; bit--) { if(a == 1) { if(check(ans ^ (1LL << bit))) ans ^= (1LL << bit); } else { if(fix(ans ^ (1LL << bit))) ans ^= (1LL << bit); } } cout << ans << '\n'; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'bool fix(long long int)':
sculpture.cpp:24:15: error: no match for 'operator|=' (operand types are 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} and 'std::vector<bool>::reference' {aka 'std::_Bit_reference'})
   24 |      dp[i][j] |= dp[k][j - 1];
      |      ~~~~~~~~~^~~~~~~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:45,
                 from sculpture.cpp:1:
/usr/include/c++/9/cstddef:144:3: note: candidate: 'constexpr std::byte& std::operator|=(std::byte&, std::byte)'
  144 |   operator|=(byte& __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/9/cstddef:144:20: note:   no known conversion for argument 1 from 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} to 'std::byte&'
  144 |   operator|=(byte& __l, byte __r) noexcept
      |              ~~~~~~^~~
In file included from /usr/include/c++/9/ios:42,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from sculpture.cpp:1:
/usr/include/c++/9/bits/ios_base.h:99:3: note: candidate: 'const std::_Ios_Fmtflags& std::operator|=(std::_Ios_Fmtflags&, std::_Ios_Fmtflags)'
   99 |   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
      |   ^~~~~~~~
/usr/include/c++/9/bits/ios_base.h:99:29: note:   no known conversion for argument 1 from 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} to 'std::_Ios_Fmtflags&'
   99 |   operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
      |              ~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/ios_base.h:141:3: note: candidate: 'const std::_Ios_Openmode& std::operator|=(std::_Ios_Openmode&, std::_Ios_Openmode)'
  141 |   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
      |   ^~~~~~~~
/usr/include/c++/9/bits/ios_base.h:141:29: note:   no known conversion for argument 1 from 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} to 'std::_Ios_Openmode&'
  141 |   operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
      |              ~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/ios_base.h:181:3: note: candidate: 'const std::_Ios_Iostate& std::operator|=(std::_Ios_Iostate&, std::_Ios_Iostate)'
  181 |   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
      |   ^~~~~~~~
/usr/include/c++/9/bits/ios_base.h:181:28: note:   no known conversion for argument 1 from 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} to 'std::_Ios_Iostate&'
  181 |   operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
      |              ~~~~~~~~~~~~~~^~~
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:105,
                 from sculpture.cpp:1:
/usr/include/c++/9/future:167:18: note: candidate: 'std::launch& std::operator|=(std::launch&, std::launch)'
  167 |   inline launch& operator|=(launch& __x, launch __y)
      |                  ^~~~~~~~
/usr/include/c++/9/future:167:37: note:   no known conversion for argument 1 from 'std::vector<bool>::reference' {aka 'std::_Bit_reference'} to 'std::launch&'
  167 |   inline launch& operator|=(launch& __x, launch __y)
      |                             ~~~~~~~~^~~