Submission #463468

#TimeUsernameProblemLanguageResultExecution timeMemory
463468fuad27Traffic (IOI10_traffic)C++14
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define vii vector<pair<int, int>> #define vi vector<int> #define vl vector<long long> #define vll vector<pair<long long, long long>> #define mp make_pair #define pb push_back #define rep(i, a, b) for(int i = a;i<b;i++) #define f first #define s second #define FIO ios_base::sync_with_stdio(0);cin.tie(0); #define start int tt;cin>>tt;rep(testcase, 1, tt) #define print(k) cout<<"Case #"<<testcase<<": "<<k<<"\n"; #define endl "\n" #define DEBUG(k) cerr<<k<<"\n"; #define MAX 2000000 vll v[MAX]; int x[MAX]; vector <bool> visited(MAX, false); vll sz(MAX); void dfs(int at){ visited[at]=1; ll cnt=0; for(auto i:v[at]){ if (!visited[i]){ cnt++; dfs(i); sz[at]+=sz[i]; sz[at]+=x[i]; } } } int LocateCentre(int n, int p[], int s[], int d[]) { rep(i,0,n-1){ v[s[i]].pb(d[i]); v[d[i]].pb(s[i]); } rep(i,0,n){ x[i]+=p[i]; } dfs(0); ll ans=inf; ll sum=0; rep(i,0,n){ sum+=p[i]; } ll correct_ans=MAX; rep(i,0,n){ if (ans>max(sz[i],sum-sz[i]-p[i])) { correct_ans=i; ans=max(sz[i],sum-sz[i]-p[i]); } } return accans; }

Compilation message (stderr)

traffic.cpp: In function 'void dfs(int)':
traffic.cpp:30:21: error: no match for 'operator[]' (operand types are 'std::vector<bool>' and 'std::pair<long long int, long long int>')
   30 |         if (!visited[i]){
      |                     ^
In file included from /usr/include/c++/10/vector:68,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/stl_bvector.h:909:7: note: candidate: 'std::vector<bool, _Alloc>::reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::reference = std::vector<bool>::reference; std::vector<bool, _Alloc>::size_type = long unsigned int]'
  909 |       operator[](size_type __n)
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_bvector.h:909:28: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::vector<bool>::size_type' {aka 'long unsigned int'}
  909 |       operator[](size_type __n)
      |                  ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_bvector.h:916:7: note: candidate: 'std::vector<bool, _Alloc>::const_reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) const [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::const_reference = bool; std::vector<bool, _Alloc>::size_type = long unsigned int]'
  916 |       operator[](size_type __n) const
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_bvector.h:916:28: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::vector<bool>::size_type' {aka 'long unsigned int'}
  916 |       operator[](size_type __n) const
      |                  ~~~~~~~~~~^~~
traffic.cpp:32:17: error: cannot convert 'std::pair<long long int, long long int>' to 'int'
   32 |             dfs(i);
      |                 ^
      |                 |
      |                 std::pair<long long int, long long int>
traffic.cpp:24:14: note:   initializing argument 1 of 'void dfs(int)'
   24 | void dfs(int at){
      |          ~~~~^~
traffic.cpp:33:23: error: no match for 'operator[]' (operand types are 'std::vector<std::pair<long long int, long long int> >' and 'std::pair<long long int, long long int>')
   33 |             sz[at]+=sz[i];
      |                       ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1043:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::reference = std::pair<long long int, long long int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1043:28: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'}
 1043 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1061:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::const_reference = const std::pair<long long int, long long int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1061:28: note:   no known conversion for argument 1 from 'std::pair<long long int, long long int>' to 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'}
 1061 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
traffic.cpp:34:22: error: no match for 'operator[]' (operand types are 'int [2000000]' and 'std::pair<long long int, long long int>')
   34 |             sz[at]+=x[i];
      |                      ^
traffic.cpp: In function 'int LocateCentre(int, int*, int*, int*)':
traffic.cpp:43:24: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::push_back(int&)'
   43 |         v[s[i]].pb(d[i]);
      |                        ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'int' to 'const value_type&' {aka 'const std::pair<long long int, long long int>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::pair<long long int, long long int> >::value_type&&' {aka 'std::pair<long long int, long long int>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
traffic.cpp:44:24: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::push_back(int&)'
   44 |         v[d[i]].pb(s[i]);
      |                        ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1187 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note:   no known conversion for argument 1 from 'int' to 'const value_type&' {aka 'const std::pair<long long int, long long int>&'}
 1187 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::vector<_Tp, _Alloc>::value_type = std::pair<long long int, long long int>]'
 1203 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::pair<long long int, long long int> >::value_type&&' {aka 'std::pair<long long int, long long int>&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
traffic.cpp:50:12: error: 'inf' was not declared in this scope; did you mean 'ynf'?
   50 |     ll ans=inf;
      |            ^~~
      |            ynf
traffic.cpp:58:30: error: no match for 'operator-' (operand types are 'll' {aka 'long long int'} and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'})
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 traffic.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  500 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:500:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 traffic.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1533 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from traffic.cpp:1:
/usr/include/c++/10/complex:361:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
  361 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:361:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::complex<_Tp>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from traffic.cpp:1:
/usr/include/c++/10/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
  370 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:370:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::complex<_Tp>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from traffic.cpp:1:
/usr/include/c++/10/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
  379 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/complex:379:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::complex<_Tp>'
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from traffic.cpp:1:
/usr/include/c++/10/complex:456:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
  456 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/10/complex:456:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::complex<_Tp>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::pair<long long int, long long int> >::value_type' {aka 'std::pair<long long int, long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'}
   58 |         if (ans>max(sz[i],sum-sz[i]-p[i])) {
      |                                   ^
In file included from /usr/include/c++/10/valarray:603,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from traffic.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
traffic.cpp:58:35: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::pair<long long int, long long int> >, std::