제출 #829224

#제출 시각아이디문제언어결과실행 시간메모리
829224otariusCatfish Farm (IOI22_fish)C++17
컴파일 에러
0 ms0 KiB
#include "fish.h" #include <iostream> #include <algorithm> #include <vector> #include <set> #include <cstring> #include <queue> #include <map> #include <cmath> #include <iomanip> using namespace std; #define ff first #define sc second #define pb push_back #define ll long long #define pll pair<ll, ll> #define pii pair <int, int> #define ull unsigned long long // #define int long long // #define int unsigned long long const ll inf = 1e18 + 7; const ll weirdMod = 998244353; int n, m, y, w; struct segtree { ll t[400040]; void init(int v = 1, int tl = 1, int tr = n) { t[v] = -inf; if (tl == tr) return; int tm = (tl + tr) / 2; init(2 * v, tl, tm); init(2 * v + 1, tm + 1, tr); } void update(int v, int tl, int tr, int pos, int val) { if (tl == tr) { t[v] = val; return; } int tm = (tl + tr) / 2; if (pos <= tm) update(2 * v, tl, tm, pos, val); else update(2 * v + 1, tm + 1, tr, pos, val); t[v] = max(t[2 * v], t[2 * v + 1]); } ll get(int v, int tl, int tr, int l, int r) { if (l > r) return -inf; if (tl == l && tr == r) return t[v]; int tm = (tl + tr) / 2; return max(get(2 * v, tl, tm, l, min(r, tm)) + get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r)); } } t1, t2; vector<pll> pos[100005]; vector<ll> dp1[100005]; vector<ll> dp2[100005]; ll max_weights(int N, int M, int[] X, int[] Y, int[] W) { n = N; m = M; for (int i = 0; i < m; i++) { X[i]++; Y[i]++; pos[X[i]].pb({Y[i], W[i]}); } for (int i = 0; i <= n + 1; i++) { sort(pos[i].begin(), pos[i].end()); if (pos[i].empty() || pos[i][0].ff != 1) pos[i].pb({1, 0}); if (pos[i].back().ff != n) pos[i].pb({n, 0}); sort(pos[i].begin(), pos[i].end()); dp1[i] = vector<ll>(pos[i].size(), -inf); dp2[i] = vector<ll>(pos[i].size(), -inf); } t1.init(); t2.init(); dp1[0][dp1[0].size() - 1] = 0; dp2[0][0] = 0; ll a = -inf, b = -inf, ans = 0; for (int i = 0; i <= n + 1; i++) { int k = pos[i].size(); if (i >= 1) a = max(a, dp2[i - 1][0]); if (i >= 2) b = max(b, dp1[i - 2].back()); dp1[i][0] = max(dp1[i][0], a + pos[i][0].sc); if (i >= 2) dp[i][0] = max(dp1[i][0], dp1[i - 2][0] + pos[i][0].sc); dp2[i][k - 1] = max(dp2[i][k - 1], b + pos[i][k - 1].sc); for (int j = 0; j < t; j++) { y = pos[i][j].ff; w = pos[i][j].sc; dp1[i][j] = max(dp1[i][j], t1.get(1, 1, n, 1, y - 1) + w); t1.update(1, 1, n, y, dp1[i][j]); } for (int j = t - 1; j >= 0; j--) { y = pos[i][j].ff; w = pos[i][j].sc; dp2[i][j] = max(dp2[i][j], t2.get(1, 1, n, y + 1, n) + w); t2.update(1, 1, n, y, dp2[i][j]); } ans = max(ans, dp2[i][0]); } cout << ans; }

컴파일 시 표준 에러 (stderr) 메시지

fish.cpp: In member function 'long long int segtree::get(int, int, int, int, int)':
fish.cpp:58:65: error: no matching function for call to 'max(long long int)'
   58 |                    get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
      |                                                                 ^
In file included from /usr/include/c++/10/vector:60,
                 from fish.h:1,
                 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:58:65: note:   candidate expects 2 arguments, 1 provided
   58 |                    get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
      |                                                                 ^
In file included from /usr/include/c++/10/vector:60,
                 from fish.h:1,
                 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:58:65: note:   candidate expects 3 arguments, 1 provided
   58 |                    get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from fish.cpp:3:
/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:
fish.cpp:58:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   58 |                    get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
      |                                                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from fish.cpp:3:
/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:
fish.cpp:58:65: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   58 |                    get(2 * v + 1, tm + 1, tr, max(l, tm + 1), r));
      |                                                                 ^
fish.cpp: At global scope:
fish.cpp:65:36: error: expected ',' or '...' before 'X'
   65 | ll max_weights(int N, int M, int[] X, int[] Y, int[] W) {
      |                                    ^
fish.cpp: In function 'long long int max_weights(int, int, int*)':
fish.cpp:69:9: error: 'X' was not declared in this scope
   69 |         X[i]++; Y[i]++;
      |         ^
fish.cpp:69:17: error: 'Y' was not declared in this scope
   69 |         X[i]++; Y[i]++;
      |                 ^
fish.cpp:70:29: error: 'W' was not declared in this scope
   70 |         pos[X[i]].pb({Y[i], W[i]});
      |                             ^
fish.cpp:93:21: error: 'dp' was not declared in this scope; did you mean 'dp2'?
   93 |         if (i >= 2) dp[i][0] = max(dp1[i][0], dp1[i - 2][0] + pos[i][0].sc);
      |                     ^~
      |                     dp2
fish.cpp:96:29: error: 't' was not declared in this scope
   96 |         for (int j = 0; j < t; j++) {
      |                             ^
fish.cpp:104:22: error: 't' was not declared in this scope
  104 |         for (int j = t - 1; j >= 0; j--) {
      |                      ^
fish.cpp:116:1: warning: no return statement in function returning non-void [-Wreturn-type]
  116 | }
      | ^