Submission #328879

#TimeUsernameProblemLanguageResultExecution timeMemory
328879blueCarnival Tickets (IOI20_tickets)C++17
Compilation error
0 ms0 KiB
#include "tickets.h" #include <vector> #include <algorithm> using namespace std; vector< vector<int> > Z; struct ind { int i; }; bool operator < (ind A, ind B) { return Z[A.i].back() - Z[A.i].front() < Z[B.i].back() - Z[B.i].front(); } long long find_maximum(int k, vector< vector<int> > x) { int n = x.size(); int m = x[0].size(); Z = x; ind I[n]; for(int i = 0; i < n; i++) I[i] = ind{i}; sort(I, I+n); vector< vector<int> > s(n); long long res; for(int i = 0; i < n/2; i++) { s[I[i]] = vector<int>(m, -1); s[I[i]][0] = 0; res -= x[I[i]][0]; } for(int i = n/2; i < n; i++) { s[I[i]] = vector<int>(m, -1); s[I[i]][m-1] = 0; res += x[I[i]][m-1]; } allocate_tickets(s); return res; }

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:36:10: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   36 |         s[I[i]] = vector<int>(m, -1);
      |          ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
tickets.cpp:37:10: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   37 |         s[I[i]][0] = 0;
      |          ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
tickets.cpp:38:17: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   38 |         res -= x[I[i]][0];
      |                 ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
tickets.cpp:42:10: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   42 |         s[I[i]] = vector<int>(m, -1);
      |          ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
tickets.cpp:43:10: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   43 |         s[I[i]][m-1] = 0;
      |          ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
tickets.cpp:44:17: error: no match for 'operator[]' (operand types are 'std::vector<std::vector<int> >' and 'ind')
   44 |         res += x[I[i]][m-1];
      |                 ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1040:7: note: candidate: 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::reference = std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1040:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1040 |       operator[](size_type __n) _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1058:7: note: candidate: 'std::vector<_Tp, _Alloc>::const_reference std::vector<_Tp, _Alloc>::operator[](std::vector<_Tp, _Alloc>::size_type) const [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::const_reference = const std::vector<int>&; std::vector<_Tp, _Alloc>::size_type = long unsigned int]'
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |       ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1058:28: note:   no known conversion for argument 1 from 'ind' to 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'}
 1058 |       operator[](size_type __n) const _GLIBCXX_NOEXCEPT
      |                  ~~~~~~~~~~^~~