Submission #827589

#	Time	Username	Problem	Language	Result	Execution time	Memory
827589		MasterTaster	Biochips (IZhO12_biochips)	C++14	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

biochips

#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 (stderr)

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]);
      |                ~^~~~~~~~~~~