Submission #847068

#TimeUsernameProblemLanguageResultExecution timeMemory
847068irmuunValley (BOI19_valley)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,s,q,e;
    cin>>n>>s>>q>>e;
    ll u[n],v[n],w[n];
    vector<pair<ll,ll>>adj[n+1];
    for(ll i=1;i<n;i++){
        cin>>u[i]>>v[i]>>w[i];
        adj[u[i]].pb({v[i],w[i]});
        adj[v[i]].pb({u[i],w[i]});
    }
    bool shop[n+1];
    fill(shop,shop+n+1,0);
    for(ll i=1;i<=s;i++){
        ll c;
        cin>>c;
        shop[c]=true;
    }
    ll cur=0;
    ll ord[n+1][2],cnt[n+1];
    function <void(ll)> dfs=[&](ll x,ll p){
        cnt[x]=(shop[x]);
        ord[x][0]=++cur;
        for(auto y:adj[x]){
            if(y!=p){
                dfs(y,x);
                cnt[x]+=cnt[y];
            }
        }
        ord[x][1]=++cur;
    };
    function <bool(ll,ll)> check=[&](ll i,ll j){
        if(ord[i][1]<ord[j][0]||ord[i][0]>ord[j][1]){
            return false;
        }
        return true;
    };
    dfs(e,0);
    while(q--){
        ll i,r;
        cin>>i>>r;
        ll low=u[i];
        if(par[v[i]]==u[i]){
            low=v[i];
        }
        if(!check(low,r)){
            cout<<"escaped\n";
            continue;
        }
        if(cnt[low]==0){
            cout<<"oo\n";
            continue;
        }
        cout<<0<<"\n";
    }
}

Compilation message (stderr)

valley.cpp: In lambda function:
valley.cpp:36:17: error: no match for 'operator!=' (operand types are 'std::pair<long long int, long long int>' and 'long long int')
   36 |             if(y!=p){
      |                ~^~~
      |                |  |
      |                |  long long int
      |                std::pair<long long int, long long int>
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1064:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1064 |     operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1064:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1144:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1144 |     operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1144:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1237:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1237 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1237:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1311:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1311 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1311:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1405 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1405:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1479:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1479 |     operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1479:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:1579:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1579 |     operator!=(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1579:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from valley.cpp:1:
/usr/include/c++/10/bits/regex.h:2126:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator!=(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
 2126 |     operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2126:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  496 |     operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:496:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   mismatched types 'const std::pair<_T1, _T2>' and 'long long int'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  372 |     operator!=(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:372:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  410 |     operator!=(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:410:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1444 |     operator!=(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1501 |     operator!=(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/iosfwd:40,
                 from /usr/include/c++/10/ios:38,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/postypes.h:227:5: note: candidate: 'template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
  227 |     operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:227:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::fpos<_StateT>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/string:41,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
  213 |     operator!=(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:213:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::allocator<_CharT>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/string_view:525:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
  525 |     operator!=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:525:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/string_view:531:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)'
  531 |     operator!=(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:531:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
                 from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/string_view:538:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
  538 |     operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/10/string_view:538:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6229:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6229 |     operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6229:5: note:   template argument deduction/substitution failed:
valley.cpp:36:19: note:   'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   36 |             if(y!=p){
      |                   ^
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 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 valley.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6242:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 6242 |     operator!=(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6242:5: note:   template argument deduction/substitution failed:
/var/local/lib/isolate/92/box/prog