Submission #797697

#TimeUsernameProblemLanguageResultExecution timeMemory
797697XJP12Thousands Islands (IOI22_islands)C++17
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vii; vector<vector<pair<int,int>>> g; vector<int> recorrido; bool ya=false; void dfs(int u, int pist){ vis[u]=true; for(auto vv: g[u]){ if(!vis[vv.first]){ if(ya==true) recorrido.push_back(vv.second); if(vv.second=pistacho){ ya=true; } dfs(vv.first); if(ya==true) recorrido.pop_back(); } } } vector<int> peanut(int pistacho){ int a=-1,b=-1,c=-1,d=-1; int peanut1=-1, peanut2=-1; for(int i=0; i<m; i++){ if(u[i]==pistacho){ if(peanut1==-1){ a=i; peanut1=v[i]; }else{ b=i; peanut2=v[i]; break; } } } for(int i=0; i<m; i++){ if(u[i]==peanut1){ if(v[i]==0){ c=i; break; } } } for(int i=0; i<m; i++){ if(u[i]==peanut2){ if(v[i]==0){ d=i; break; } } } vector<int> x(8); x={a,c,b,d,c,a,d,b}; return x; } variant<bool,vector<int>> find_journey(int n, int m, vector<int> u, vector<int> v){ vi check(1001); vector<pair<int,int>> p; g.assign(n+1,p); vis.assign(n+1,0); bool ban=false; int pistacho=-1; for(int i=0; i<m; i++){ check[u[i]]++; if(check[u[i]]>=3){ ban=true; pistacho=min(pistacho,u[i]); } } if(ban==false){ return false; } vector ans; for(int i=0; i<m; i++){ g[u[i]].push_back({v[i],i}); } if(pistacho!=0){ dfs(0,pistacho); } recorrido.push_back(peanut(pistacho)); return recorrido; }

Compilation message (stderr)

islands.cpp: In function 'void dfs(int, int)':
islands.cpp:10:2: error: 'vis' was not declared in this scope; did you mean 'vii'?
   10 |  vis[u]=true;
      |  ^~~
      |  vii
islands.cpp:14:17: error: 'pistacho' was not declared in this scope
   14 |    if(vv.second=pistacho){
      |                 ^~~~~~~~
islands.cpp:17:16: error: too few arguments to function 'void dfs(int, int)'
   17 |    dfs(vv.first);
      |                ^
islands.cpp:9:6: note: declared here
    9 | void dfs(int u, int pist){
      |      ^~~
islands.cpp: In function 'std::vector<int> peanut(int)':
islands.cpp:25:17: error: 'm' was not declared in this scope
   25 |  for(int i=0; i<m; i++){
      |                 ^
islands.cpp:26:6: error: 'u' was not declared in this scope
   26 |   if(u[i]==pistacho){
      |      ^
islands.cpp:29:13: error: 'v' was not declared in this scope
   29 |     peanut1=v[i];
      |             ^
islands.cpp:32:13: error: 'v' was not declared in this scope
   32 |     peanut2=v[i];
      |             ^
islands.cpp:37:17: error: 'm' was not declared in this scope
   37 |  for(int i=0; i<m; i++){
      |                 ^
islands.cpp:38:6: error: 'u' was not declared in this scope
   38 |   if(u[i]==peanut1){
      |      ^
islands.cpp:39:7: error: 'v' was not declared in this scope
   39 |    if(v[i]==0){
      |       ^
islands.cpp:45:17: error: 'm' was not declared in this scope
   45 |  for(int i=0; i<m; i++){
      |                 ^
islands.cpp:46:6: error: 'u' was not declared in this scope
   46 |   if(u[i]==peanut2){
      |      ^
islands.cpp:47:7: error: 'v' was not declared in this scope
   47 |    if(v[i]==0){
      |       ^
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:61:2: error: 'vis' was not declared in this scope; did you mean 'vii'?
   61 |  vis.assign(n+1,0);
      |  ^~~
      |  vii
islands.cpp:74:9: error: class template argument deduction failed:
   74 |  vector ans;
      |         ^~~
islands.cpp:74:9: error: no matching function for call to 'vector()'
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:653:2: note: candidate: 'template<class _Tp, class _Alloc, class _InputIterator, class> vector(_InputIterator, _InputIterator, const _Alloc&)-> std::vector<_Tp, _Alloc>'
  653 |  vector(_InputIterator __first, _InputIterator __last,
      |  ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:653:2: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 3 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:625:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::initializer_list<_Tp>, const allocator_type&)-> std::vector<_Tp, _Alloc>'
  625 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:625:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 2 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>&&, const allocator_type&)-> std::vector<_Tp, _Alloc>'
  607 |       vector(vector&& __rv, const allocator_type& __m)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:607:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 2 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type)-> std::vector<_Tp, _Alloc>'
  589 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:589:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 3 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type)-> std::vector<_Tp, _Alloc>'
  585 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:585:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 3 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate: 'template<class _Tp, class _Alloc> vector(const std::vector<_Tp, _Alloc>&, const allocator_type&)-> std::vector<_Tp, _Alloc>'
  575 |       vector(const vector& __x, const allocator_type& __a)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:575:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 2 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>&&)-> std::vector<_Tp, _Alloc>'
  572 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:572:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 1 argument, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate: 'template<class _Tp, class _Alloc> vector(const std::vector<_Tp, _Alloc>&)-> std::vector<_Tp, _Alloc>'
  553 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:553:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 1 argument, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:522:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&)-> std::vector<_Tp, _Alloc>'
  522 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:522:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 3 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:510:7: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&)-> std::vector<_Tp, _Alloc>'
  510 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:510:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 2 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate: 'template<class _Tp, class _Alloc> vector(const allocator_type&)-> std::vector<_Tp, _Alloc>'
  497 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:497:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 1 argument, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate: 'template<class _Tp, class _Alloc> vector()-> std::vector<_Tp, _Alloc>'
  487 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:487:7: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   couldn't deduce template parameter '_Tp'
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: candidate: 'template<class _Tp, class _Alloc> vector(std::vector<_Tp, _Alloc>)-> std::vector<_Tp, _Alloc>'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:389:11: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 1 argument, 0 provided
   74 |  vector ans;
      |         ^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1876:5: note: candidate: 'template<class _InputIterator, class _ValT, class _Allocator, class, class> std::vector(_InputIterator, _InputIterator, _Allocator)-> std::vector<_ValT, _Allocator>'
 1876 |     vector(_InputIterator, _InputIterator, _Allocator = _Allocator())
      |     ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:1876:5: note:   template argument deduction/substitution failed:
islands.cpp:74:9: note:   candidate expects 3 arguments, 0 provided
   74 |  vector ans;
      |         ^~~
islands.cpp:81:38: error: no matching function for call to 'std::vector<int>::push_back(std::vector<int>)'
   81 |  recorrido.push_back(peanut(pistacho));
      |                                      ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from islands.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 = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = 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 'std::vector<int>' to 'const value_type&' {aka 'const 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 = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = 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 'std::vector<int>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
 1203 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~