제출 #976445

#제출 시각아이디문제언어결과실행 시간메모리
976445vjudge1Knapsack (NOI18_knapsack)C++11
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define pii pair<int, int> #define pll pair<ll, ll> #define vi vector<int> #define vl vector<ll> #define fi first #define se second #define pb push_back #define mp make_pair #define all(v) v.begin(), v.end() #define SZ(x) ((int)((x).size())) #define pow2(x) ((ll)(x) * (x)) const ll mod = 1e9 + 7; const int INF = 1e9 + 5; // 998244353 const ll INFF = 1e18 + 5; // Super is the cutest girl void solve() { int s, n; cin >> s >> n; vector<pii> byweight[s + 1]; for (int i = 0; i < n; i++) { int v, w, k; cin >> v >> w >> k; byweight[w].pb({v, k}); } vector<pii> items; for (int w = 1; w <= s; w++) { sort(all(byweight[w])); int used = s / w + 1; while (used != 0 && !byweight[w].empty()) { auto &[v, k] = byweight[w].back(); items.pb({w, v}); k--; used--; if (k == 0) byweight[w].pop_back(); } } int sz = items.size(); int dp[sz + 1][s + 1]; memset(dp, 0, sizeof(dp)); for (int i = 1; i <= sz; i++) { for (int w = s; w >= 0; w--) { dp[i][w] = max(dp[i][w], dp[i - 1][w]); if (w - items[i - 1].first >= 0) { dp[i][w - items[i - 1].first] = max(dp[i][w - items[i - 1].first], dp[i - 1][w] + items[i - 1].second); } } } ll ans = 0; for (auto i : dp[sz]) { ans = max(ans, i); } cout << ans; } int main() { ios::sync_with_stdio(false); cin.tie(0); // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); // int t; cin >> t; while(t--) solve(); }

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'void solve()':
knapsack.cpp:40:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   40 |             auto &[v, k] = byweight[w].back();
      |                   ^
knapsack.cpp:66:25: error: no matching function for call to 'max(ll&, int&)'
   66 |         ans = max(ans, i);
      |                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> 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:
knapsack.cpp:66:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   66 |         ans = max(ans, i);
      |                         ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> 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:
knapsack.cpp:66:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   66 |         ans = max(ans, i);
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> _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:
knapsack.cpp:66:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   66 |         ans = max(ans, i);
      |                         ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from knapsack.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> _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:
knapsack.cpp:66:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   66 |         ans = max(ans, i);
      |                         ^