Submission #1298305

#	Time	Username	Problem	Language	Result	Execution time	Memory
1298305		tailpd16	Knapsack (NOI18_knapsack)	C++20	Compilation error	0 ms	0 KiB

knapsack

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fast ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define el '\n'
const int MAX_S = 2e3;
int dp[MAX_S + 1];
int main() 
{
    fast;
    int S, N;
    cin >> S >> N;
    for (int i = 0; i < N; i++) 
	{
        ll V, W, K;
        cin >> V >> W >> K;
        ll c = 1;
        while (K > 0) 
		{
            ll t = min(c, K);
            ll val = V * t;
            ll weight = W * t;
            for (int j = S; j >= weight; j--) 
			{
                dp[j] = max(dp[j], dp[j - weight] + val);
            }
            K -= t;
            c <<= 1; 
        }
    }
    cout << dp[S] << el;
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:25:28: error: no matching function for call to 'max(int&, long long int)'
   25 |                 dp[j] = max(dp[j], dp[j - weight] + val);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from knapsack.cpp:1:
/usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
knapsack.cpp:25:28: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   25 |                 dp[j] = max(dp[j], dp[j - weight] + val);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note:   template argument deduction/substitution failed:
knapsack.cpp:25:28: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   25 |                 dp[j] = max(dp[j], dp[j - weight] + val);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61:
/usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5795 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5795:5: note:   template argument deduction/substitution failed:
knapsack.cpp:25:28: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |                 dp[j] = max(dp[j], dp[j - weight] + val);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5805 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note:   template argument deduction/substitution failed:
knapsack.cpp:25:28: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |                 dp[j] = max(dp[j], dp[j - weight] + val);
      |                         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~