# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1015312 | aykhn | Carnival Tickets (IOI20_tickets) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;
#define inf 0x3F3F3F3F3F3F3F3F
long long find_maximum(int k, vector<vector<int>> x) {
int n = x.size();
int m = x[0].size();
vector<vector<int>> answer(n, vector<int> (m, -1));
vector<vector<long long>> pre(n, vector<int> (m, 0)), suf(n, vector<int> (m, 0));
vector<vector<long long>> dp(n, vector<long long> (n / 2 + 5, -inf)), take(n, vector<long long> (k * n / 2 + 5, -1));
vector<long long> taken(n, 0);
auto presum = [&](int i, int len)
{
if (!len) return 0LL;
return pre[i][len - 1];
};
auto sufsum = [&](int i, int len)
{
if (!len) return 0LL;
return suf[i][m - len];
};
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++) pre[i][j] = (j ? pre[i][j - 1] : 0) + x[i][j];
for (int j = m - 1; j >= 0; j--) suf[i][j] = (j + 1 < m ? suf[i][j + 1] : 0) + x[i][j];
}
for (int i = 0; i <= min(k, k * n / 2); i++)
{
dp[0][i] = sufsum(0, i) - presum(0, k - i);
take[0][i] = i;
}
for (int i = 1; i < n; i++)
{
for (int j = 0; j <= k * n / 2; j++)
{
for (int l = 0; l <= k; l++)
{
if (j - l < 0) continue;
if (dp[i - 1][j - l] + sufsum(i, l) - presum(i, k - l) > dp[i][j])
{
dp[i][j] = dp[i - 1][j - l] + sufsum(i, l) - presum(i, k - l);
take[i][j] = l;
}
}
}
}
int i = n - 1, j = n * k / 2;
while (i >= 0)
{
taken[i] = take[i][j];
j -= take[i][j];
i--;
}
vector<int> o(n, 0);
iota(o.begin(), o.end(), 0);
vector<int> l(n, 0), r(n, 0);
for (int i = 0; i < n; i++) r[i] = m - taken[i];
for (int t = 0; t < k; t++)
{
sort(o.begin(), o.end(), [&](const int &a, const int &b)
{
return r[a] < r[b];
});
for (int i = 0; i < o.size() / 2; i++)
{
answer[o[i]][r[o[i]]] = t;
r[o[i]]++;
}
for (int i = o.size() / 2; i < o.size(); i++)
{
answer[o[i]][l[o[i]]] = t;
l[o[i]]++;
}
}
allocate_tickets(answer);
return dp[n - 1][n * k / 2];
}
Compilation message (stderr)
tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)': tickets.cpp:12:53: error: no matching function for call to 'std::vector<std::vector<long long int> >::vector(int&, std::vector<int>)' 12 | vector<vector<long long>> pre(n, vector<int> (m, 0)), suf(n, vector<int> (m, 0)); | ^ In file included from /usr/include/c++/10/vector:67, from tickets.h:1, from tickets.cpp:1: /usr/include/c++/10/bits/stl_vector.h:653:2: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 653 | vector(_InputIterator __first, _InputIterator __last, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:653:2: note: template argument deduction/substitution failed: tickets.cpp:12:53: note: deduced conflicting types for parameter '_InputIterator' ('int' and 'std::vector<int>') 12 | vector<vector<long long>> pre(n, vector<int> (m, 0)), suf(n, vector<int> (m, 0)); | ^ In file included from /usr/include/c++/10/vector:67, from tickets.h:1, from tickets.cpp:1: /usr/include/c++/10/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 625 | vector(initializer_list<value_type> __l, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from 'int' to 'std::initializer_list<std::vector<long long int> >' 625 | vector(initializer_list<value_type> __l, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 607 | vector(vector&& __rv, const allocator_type& __m) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:607:23: note: no known conversion for argument 1 from 'int' to 'std::vector<std::vector<long long int> >&&' 607 | vector(vector&& __rv, const allocator_type& __m) | ~~~~~~~~~^~~~ /usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >; std::false_type = std::integral_constant<bool, false>]' 589 | vector(vector&& __rv, const allocator_type& __m, false_type) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 2 provided /usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >; std::true_type = std::integral_constant<bool, true>]' 585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 2 provided /usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 575 | vector(const vector& __x, const allocator_type& __a) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:575:28: note: no known conversion for argument 1 from 'int' to 'const std::vector<std::vector<long long int> >&' 575 | vector(const vector& __x, const allocator_type& __a) | ~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 572 | vector(vector&&) noexcept = default; | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 553 | vector(const vector& __x) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 522 | vector(size_type __n, const value_type& __value, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:522:47: note: no known conversion for argument 2 from 'std::vector<int>' to 'const value_type&' {aka 'const std::vector<long long int>&'} 522 | vector(size_type __n, const value_type& __value, | ~~~~~~~~~~~~~~~~~~^~~~~~~ /usr/include/c++/10/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 510 | vector(size_type __n, const allocator_type& __a = allocator_type()) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:510:51: note: no known conversion for argument 2 from 'std::vector<int>' to 'const allocator_type&' {aka 'const std::allocator<std::vector<long long int> >&'} 510 | vector(size_type __n, const allocator_type& __a = allocator_type()) | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 487 | vector() = default; | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 2 provided tickets.cpp:12:81: error: no matching function for call to 'std::vector<std::vector<long long int> >::vector(int&, std::vector<int>)' 12 | vector<vector<long long>> pre(n, vector<int> (m, 0)), suf(n, vector<int> (m, 0)); | ^ In file included from /usr/include/c++/10/vector:67, from tickets.h:1, from tickets.cpp:1: /usr/include/c++/10/bits/stl_vector.h:653:2: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 653 | vector(_InputIterator __first, _InputIterator __last, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:653:2: note: template argument deduction/substitution failed: tickets.cpp:12:81: note: deduced conflicting types for parameter '_InputIterator' ('int' and 'std::vector<int>') 12 | vector<vector<long long>> pre(n, vector<int> (m, 0)), suf(n, vector<int> (m, 0)); | ^ In file included from /usr/include/c++/10/vector:67, from tickets.h:1, from tickets.cpp:1: /usr/include/c++/10/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 625 | vector(initializer_list<value_type> __l, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from 'int' to 'std::initializer_list<std::vector<long long int> >' 625 | vector(initializer_list<value_type> __l, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 607 | vector(vector&& __rv, const allocator_type& __m) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:607:23: note: no known conversion for argument 1 from 'int' to 'std::vector<std::vector<long long int> >&&' 607 | vector(vector&& __rv, const allocator_type& __m) | ~~~~~~~~~^~~~ /usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >; std::false_type = std::integral_constant<bool, false>]' 589 | vector(vector&& __rv, const allocator_type& __m, false_type) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 2 provided /usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >; std::true_type = std::integral_constant<bool, true>]' 585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 2 provided /usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 575 | vector(const vector& __x, const allocator_type& __a) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:575:28: note: no known conversion for argument 1 from 'int' to 'const std::vector<std::vector<long long int> >&' 575 | vector(const vector& __x, const allocator_type& __a) | ~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 572 | vector(vector&&) noexcept = default; | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 553 | vector(const vector& __x) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = std::vector<long long int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 522 | vector(size_type __n, const value_type& __value, | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:522:47: note: no known conversion for argument 2 from 'std::vector<int>' to 'const value_type&' {aka 'const std::vector<long long int>&'} 522 | vector(size_type __n, const value_type& __value, | ~~~~~~~~~~~~~~~~~~^~~~~~~ /usr/include/c++/10/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 510 | vector(size_type __n, const allocator_type& __a = allocator_type()) | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:510:51: note: no known conversion for argument 2 from 'std::vector<int>' to 'const allocator_type&' {aka 'const std::allocator<std::vector<long long int> >&'} 510 | vector(size_type __n, const allocator_type& __a = allocator_type()) | ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<std::vector<long long int> >]' 497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate expects 1 argument, 2 provided /usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = std::vector<long long int>; _Alloc = std::allocator<std::vector<long long int> >]' 487 | vector() = default; | ^~~~~~ /usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 2 provided tickets.cpp:67:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for (int i = 0; i < o.size() / 2; i++) | ~~^~~~~~~~~~~~~~ tickets.cpp:72:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i = o.size() / 2; i < o.size(); i++) | ~~^~~~~~~~~~