oj.uz

Submission #827589

# Submission time Handle Problem Language Result Execution time Memory
827589 2023-08-16T15:05:51 Z MasterTaster Biochips (IZhO12_biochips) C++14
Compilation error
 0 ms 0 KB 
#include <bits/stdc++.h>
 
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second
#define pb push_back
#define MAXN 200010
#define MAXM 510
#define MAXX 1000000010LL
 
using namespace std;
 
long n, m, w[MAXN], gde[MAXN], r[MAXN], pp[MAXN];
int dp[MAXN][MAXM];
bool bio[MAXN];
vector<int> g[MAXN], svi;
void dfs(int u)
{
	bio[u]=true;
 
	svi.pb(u);
	gde[u]=svi.size()-1;
	for (int i=0; i<=m; i++) dp[gde[u]][i]=-MAXX;
	dp[gde[u]][1]=w[u];
	dp[gde[u]][0]=0;
 
	for (auto v:g[u])
	{
		if (!bio[v])
			dfs(v);
	}
 
	r[u]=svi.size();
	///cout<<u<<":"<<endl;
	///for (int i=0; i<=m; i++) cout<<dp[u][i]<<" ";
	///cout<<endl;
}
 
int main(){
	cin>>n>>m;
 
	int koren=1;
	for (int i=1; i<=n; i++)
	{
		cin>>pp[i]>>w[i];
		if (pp[i]==0) { koren=i; continue; }
		g[pp[i]].pb(i); g[i].pb(pp[i]);
	}
 
	dfs(koren);
 
	//for (int i=0; i<svi.size(); i++) cout<<svi[i]<<" ";
	//cout<<endl;
 
	for (int i=svi.size()-1; i>=0; i--)
	{
		for (int j=0; j<=m; j++)
		{
			if (j==0) { dp[i][j]=0; continue; }
			if (i!=svi.size()-1) dp[i][j]=max(dp[i][j], dp[i+1][j]);
			//else dp[i][1]=w[svi[i]];
			if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[i]]);
 
			//cout<<i<<" "<<j<<": "<<dp[i][j]<<endl;
		}
	}
	int ress=-1;
	for (int i=0; i<svi.size(); i++) ress=max(ress, dp[i][m]);
	cout<<ress;
	//cout<<dp[0][m];
}

Compilation message

biochips.cpp: In function 'int main()':
biochips.cpp:61:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |    if (i!=svi.size()-1) dp[i][j]=max(dp[i][j], dp[i+1][j]);
      |        ~^~~~~~~~~~~~~~
biochips.cpp:63:17: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[i]]);
      |        ~~~~~~~~~^~~~~~~~~~~
biochips.cpp:63:81: error: no matching function for call to 'max(int&, long int)'
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[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 biochips.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:
biochips.cpp:63:81: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[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 biochips.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:
biochips.cpp:63:81: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long int')
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[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 biochips.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:
biochips.cpp:63:81: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[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 biochips.cpp:1:
/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:
biochips.cpp:63:81: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   63 |    if (r[svi[i]]<svi.size()) dp[i][j]=max(dp[i][j], dp[r[svi[i]]][j-1]+w[svi[i]]);
      |                                                                                 ^
biochips.cpp:69:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |  for (int i=0; i<svi.size(); i++) ress=max(ress, dp[i][m]);
      |                ~^~~~~~~~~~~