제출 #660751

#제출 시각아이디문제언어결과실행 시간메모리
660751mychecksedad메기 농장 (IOI22_fish)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define pb push_back const int S = 1e5 + 100; ll dp[S][2], a[S][2], suf[S]; long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y, std::vector<int> w){ bool case1 = 1, case2 = 1, case3 = 1; for(int i = 0; i < m; ++i){ if(x[i] % 2) case1 = 0; if(x[i] > 1) case2 = 0; if(y[i] != 0) case3 = 0; } if(case1){ ll ans = 0; for(int i = 0; i < m; ++i) ans += w[i]; return ans; } if(case2){ ll ans1 = 0, ans2 = 0; for(int i = 0; i < m; ++i){ if(x[i] == 0) ans1 += w[i]; else ans2 += w[i]; } if(n == 2) return max(ans1, ans2); else{ ll best = 0, sum = 0; int p = 0; for(int i = 0; i <= n + 1; ++i) a[i][0] = a[i][1] = suf[i] = 0; for(int i = 0; i < m; i++) if(x[i] == 0) a[y[i]][0] = w[i]; else a[y[i]][1] = w[i]; for(int i = n; i >= 0; --i) suf[i] = suf[i + 1] + a[i][1]; for(int i = 0; i <= n + 1; ++i){ best = max(best, suf[i] + sum); sum += a[i][0]; } return best; } } if(case3){ for(int i = 0; i <= n; ++i){ dp[i][0] = dp[i][1] = 0; } vector<ll> v(S); for(int i = 0; i < m; ++i) v[x[i]] = w[i]; for(int i = 1; i <= n; ++i){ dp[i][0] = max(dp[i - 1][0], dp[i - 1][1] + v[i]); if(i>=2) dp[i][1] = max({dp[i - 1][1], dp[i - 2][0] + v[i - 1], v[i - 2][1]}); else dp[i][1] = max(dp[i - 1][0] + v[i - 1], dp[i - 1][1]); } return max(dp[n][0], dp[n][1]); } return -1; }

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:32:17: warning: unused variable 'p' [-Wunused-variable]
   32 |             int p = 0;
      |                 ^
fish.cpp:55:80: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type {aka long long int}[int]' for array subscript
   55 |                 dp[i][1] = max({dp[i - 1][1], dp[i - 2][0] + v[i - 1], v[i - 2][1]});
      |                                                                                ^
fish.cpp:55:84: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   55 |                 dp[i][1] = max({dp[i - 1][1], dp[i - 2][0] + v[i - 1], v[i - 2][1]});
      |                                                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from fish.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
fish.cpp:55:84: note:   candidate expects 2 arguments, 1 provided
   55 |                 dp[i][1] = max({dp[i - 1][1], dp[i - 2][0] + v[i - 1], v[i - 2][1]});
      |                                                                                    ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from fish.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
fish.cpp:55:84: note:   candidate expects 3 arguments, 1 provided
   55 |                 dp[i][1] = max({dp[i - 1][1], dp[i - 2][0] + v[i - 1], v[i - 2][1]});
      |                                                                                    ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from fish.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed: