Submission #465052

#	Time	Username	Problem	Language	Result	Execution time	Memory
465052		Qw3rTy	Knapsack (NOI18_knapsack)	C++11	Compilation error	0 ms	0 KiB

knapsack

#include <bits/stdc++.h>
#define pi pair<int,int>
#define fi first
#define se second
#define pb push_back
using namespace std;

const int maxN = 1e5+5;
const int maxV = 2e3+5;

vector<int> d[maxV];
int S,N;
int f[maxV];

signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	//freopen("../test.in","r",stdin);
	cin >> S >> N;
	for(int i = 1; i <= N; ++i){
		int v,w,k; cin >> v >> w >> k;
		for(int j = 1; j <= k; j <<= 1){
			if(w * j > S)break;
			k -= j;
			d[w*j].pb(v*j);
		}
		if(k > 0 && w * k <= S)d[w*k].pb(v*k);
	}
	for(int i = 1; i <= S; ++i){
		if(d[i].size()){
			sort(d[i].begin(),d[i].end(),greater<int>());
			//Consider only the first floor(S/W) objects
			int num = min((unsigned long long)S/i,d[i].size());
			for(int j = 0; j < num; ++j){
				for(int k = S; k >= i; --k){
					f[k] = max(f[k],f[k-i] + d[i][j]);
				}
			}
		}
	}
	cout << f[S] << '\n';
}

Compilation message (stderr)

knapsack.cpp: In function 'int main()':
knapsack.cpp:33:53: error: no matching function for call to 'min(long long unsigned int, std::vector<int>::size_type)'
   33 |    int num = min((unsigned long long)S/i,d[i].size());
      |                                                     ^
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:230:5: note: candidate: 'template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)'
  230 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:230:5: note:   template argument deduction/substitution failed:
knapsack.cpp:33:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
   33 |    int num = min((unsigned long long)S/i,d[i].size());
      |                                                     ^
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:278:5: note: candidate: 'template<class _Tp, class _Compare> const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  278 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:278:5: note:   template argument deduction/substitution failed:
knapsack.cpp:33:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long unsigned int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
   33 |    int num = min((unsigned long long)S/i,d[i].size());
      |                                                     ^
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:3468:5: note: candidate: 'template<class _Tp> _Tp std::min(std::initializer_list<_Tp>)'
 3468 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3468:5: note:   template argument deduction/substitution failed:
knapsack.cpp:33:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   33 |    int num = min((unsigned long long)S/i,d[i].size());
      |                                                     ^
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:3474:5: note: candidate: 'template<class _Tp, class _Compare> _Tp std::min(std::initializer_list<_Tp>, _Compare)'
 3474 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3474:5: note:   template argument deduction/substitution failed:
knapsack.cpp:33:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long unsigned int'
   33 |    int num = min((unsigned long long)S/i,d[i].size());
      |                                                     ^