# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
720727 | hgmhc | 개구리 (KOI13_frog) | 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>
using namespace std; using ii = pair<int,int>; using ll = long long;
#define rep(i,a,b) for (auto i = (a); i <= (b); ++i)
#define per(i,a,b) for (auto i = (b); i >= (a); --i)
#define all(x) begin(x), end(x)
#define siz(x) int((x).size())
#define Mup(x,y) x = max(x,y)
#define mup(x,y) x = min(x,y)
#define fi first
#define se second
#define dbg(...) fprintf(stderr,__VA_ARGS__)
template <const int N>
struct disjoint_set {
int p[N], s[N];
disjoint_set() { iota(p,p+N,0), fill(s,s+N,1); }
int find(int x) {
assert(x < N);
if (x == p[x]) return x;
return p[x] = find(p[x]);
}
void merge(int a, int b) {
a = find(a), b = find(b);
if (a == b) return;
if (s[a] > s[b]) swap(a,b);
s[b] += s[a], p[a] = b;
}
int size(int x) {
return s[find(x)];
}
bool same(int a, int b) {
return find(a) == find(b);
}
};
const int N = 1e5+3;
int n, R, d;
using P = pair<ii,int>;
P p[N];
disjoint_set<N> ds;
void solve() {
sort(p+1,p+n+1);
auto cmp = [](const P &x, const P &y) {
return make_pair(x.fi.se,x.se) < make_pair(y.fi.se,y.se);
};
set<P,bool(*)(const P&,const P&)> s(cmp);
// x좌표가 [cur_x,cur_x+r]에 포함됨 / 정렬은 y좌표의 오름차순으로 / 가장 앞쪽 세 개만 추가한다(자신이 포함되어 있을 수 있으므로)
int l = 1, r = 0;
rep(i,1,n) {
auto [x,y] = p[i].fi;
while (r < n and p[r+1].fi.fi < x+R) s.insert(p[++r]);
while (l <= r and p[l].fi.fi < x) s.erase(p[l++]);
auto it = s.lower_bound({ii{-1,y+R},0});
rep(j,1,3) {
if (it != end(s) and it->fi.se <= y+R+d)
ds.merge(it->se,p[i].se), it++;
}
it = s.upper_bound({ii{-1,y-R},1e9});
rep(j,1,3) {
if (it != begin(s)) {
if ((--it)->fi.se >= y-d-R)
ds.merge(it->se,p[i].se);
}
}
}
}
int main() {
scanf("%d%d", &n, &R);
rep(i,1,n) scanf("%d%d", &p[i].fi.fi, &p[i].fi.se), p[i].se = i;
assert(p[1].fi == 0 and p[1].se == 0);
scanf("%d", &d);
solve();
rep(i,1,n) swap(p[i].fi.fi,p[i].fi.se);
solve();
int ans = 0;
rep(i,1,n) if (ds.same(1,i)) Mup(ans,p[i].fi.fi+p[i].fi.se+R+R);
printf("%d", ans);
}
Compilation message (stderr)
In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp: In function 'int main()': frog.cpp:72:20: error: no match for 'operator==' (operand types are 'std::pair<int, int>' and 'int') 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^~ ~ | | | 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 frog.cpp:1: /usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1035 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1035:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1131:5: 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>&)' 1131 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1131:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1206:5: 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>&)' 1206 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1206:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1298 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1298:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1373 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1373:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1466 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1466:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1545 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1545:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from frog.cpp:1: /usr/include/c++/10/bits/regex.h:2101:5: 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>&)' 2101 | operator==(const match_results<_Bi_iter, _Alloc>& __m1, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:2101:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 466 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:466:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 360 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:360:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 398 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:398:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1427 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1495 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)' 222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::fpos<_StateT>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)' 206 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'const std::allocator<_CharT>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 490 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:490:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 72 | assert(p[1].fi == 0 and p[1].se == 0); | ^ 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 frog.cpp:1: /usr/include/c++/10/string_view:496:5: 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> >)' 496 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:496:5: note: template argument deduction/substitution failed: In file included from /usr/include/c++/10/cassert:44, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33, from frog.cpp:1: frog.cpp:72:23: note: 'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 72 | assert(p[1].fi == 0 and p[1].se == 0