| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 797051 | vjudge1 | Road Construction (JOI21_road_construction) | 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 <bits/stdc++.h>
#define fi first
#define se second
const int N = 200200;
using namespace std;
int n;
int id[N];
int t[N];
pair < int, int > a[N];
vector < pair < int, int > > v;
void upd(int x, int g)
{
while(x < N){
t[x] += g;
x += x & -x;
}
}
int get_c(int x)
{
int res = 0;
while(x > 0){
res += t[x];
x -= x & -x;
}
return res;
}
long long get(long long D)
{
long long res = 0;
for(int i = 0; i < N; i++) t[i] = 0;
for(int i = 1, j = 1; i <= n; i++){
if(i > 1){
upd(id[i - 1], 1);
}
while(j < i && a[i].fi - a[j].fi > D){
upd(id[j], -1);
j += 1;
}
int l = lower_bound(v.begin(), v.end(), make_pair(a[i].se - D, 0)) - v.begin();
int r = lower_bound(v.begin(), v.end(), make_pair(a[i].se + D + 1, 0)) - v.begin() - 1;
if(l <= r){
res += get_c(v[r].se) - get_c(v[l].se - 1);
}
}
return res;
}
int main()
{
ios_base::sync_with_stdio(0);
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
long long k;
cin >> n >> k;
for(int i = 1; i <= n; i++){
int x, y;
cin >> x >> y;
a[i] = {x + y, x - y};
}
sort(a + 1, a + n + 1);
v.push_back({-2e9, 0});
v.push_back({2e9, 0});
for(int i = 1; i <= n; i++){
v.push_back({a[i].se, i});
}
sort(v.begin(), v.end());
for(int i = 0, j = 0; i < v.size(); i++){
if(i > 0 && v[i].fi > v[i - 1].fi){
j += 1;
}
id[v[i].se] = j;
v[i].se = j;
}
long long l = 1, r = 5e8;
while(l < r){
long long m = (l + r) / 2;
if(get(m) >= k){
r = m;
} else{
l = m + 1;
}
}
cout << l << "\n";
}
Compilation message (stderr)
road_construction.cpp: In function 'int main()':
road_construction.cpp:80:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for(int i = 0, j = 0; i < v.size(); i++){
| ~~^~~~~~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_less_val::operator()(_Iterator, _Value&) const [with _Iterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Value = const std::pair<long long int, int>]':
/usr/include/c++/10/bits/stl_algobase.h:1324:14: required from '_ForwardIterator std::__lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&, _Compare) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Tp = std::pair<long long int, int>; _Compare = __gnu_cxx::__ops::_Iter_less_val]'
/usr/include/c++/10/bits/stl_algobase.h:1359:32: required from '_ForwardIterator std::lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&) [with _ForwardIterator = __gnu_cxx::__normal_iterator<std::pair<int, int>*, std::vector<std::pair<int, int> > >; _Tp = std::pair<long long int, int>]'
road_construction.cpp:47:82: required from here
/usr/include/c++/10/bits/predefined_ops.h:67:22: error: no match for 'operator<' (operand types are 'std::pair<int, int>' and 'const std::pair<long long int, int>')
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1096:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
1096 | operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1096:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1104:5: note: candidate: 'template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
1104 | operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1104:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1075 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1075:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1156:5: 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>&)'
1156 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1156:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1249:5: 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>&)'
1249 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1249:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1323 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1323:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1417 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1417:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1492 | operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1492:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'const std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from road_construction.cpp:1:
/usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1592 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1592:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: deduced conflicting types for parameter '_T1' ('int' and 'long long int')
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
366 | operator<(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
404 | operator<(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1451 | operator<(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1507 | operator<(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
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 road_construction.cpp:1:
/usr/include/c++/10/bits/predefined_ops.h:67:22: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>'
67 | { return *__it < __val; }
| ~~~~~~^~~~~~~
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 road_construction.cpp:1:
/usr/include/c++/10/string_view:544:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
544 | operator< (basic_string_view<_