Submission #1103364

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103364		Ahmed57	Tree (IOI24_tree)	C++17	Compilation error	0 ms	0 KiB

tree

#include <bits/stdc++.h>
using namespace std;
long long cnt = 0;
void init(std::vector<int> P, std::vector<int> W){
    int deg[P.size()] = {0};
    int root = -1;
    for(int i = 0;i<P.size();i++){
        int x = P[i];
        if(x==-1){
            root = x;
        }else{
            deg[x]++;
            deg[i]++;
        }
    }
    for(int i = 0;i<P.size();i++){
        if(i==root)continue;
        if(deg[i]==1)cnt++;
    }
}
long long query(int L, int R){
    return cnt*L+max(0,(cnt*L-R));
}

Compilation message (stderr)

tree.cpp: In function 'void init(std::vector<int>, std::vector<int>)':
tree.cpp:7:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i = 0;i<P.size();i++){
      |                   ~^~~~~~~~~
tree.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0;i<P.size();i++){
      |                   ~^~~~~~~~~
tree.cpp: In function 'long long int query(int, int)':
tree.cpp:22:33: error: no matching function for call to 'max(int, long long int)'
   22 |     return cnt*L+max(0,(cnt*L-R));
      |                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from tree.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:
tree.cpp:22:33: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   22 |     return cnt*L+max(0,(cnt*L-R));
      |                                 ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from tree.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:
tree.cpp:22:33: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   22 |     return cnt*L+max(0,(cnt*L-R));
      |                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from tree.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:
tree.cpp:22:33: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |     return cnt*L+max(0,(cnt*L-R));
      |                                 ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from tree.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:
tree.cpp:22:33: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   22 |     return cnt*L+max(0,(cnt*L-R));
      |                                 ^