| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 735660 | 2023-05-04T12:38:29 Z | Ahmed57 | Regions (IOI09_regions) | C++14 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
#define int long long
using namespace std;
int timer = 0;
int start[200001];
int en[200001];
vector<int> adj[200001];
void dfs(int i){
start[i] = ++timer;
for(auto j:adj[i])dfs(j);
en[i] = timer;
}
int bit[200001];int n;
void add(int x,int v){
while(x<=n){
bit[x]+=v;
x+=(x&-x);
}
}
int sum(int x){
int su = 0;
while(x>=1){
su+=bit[x];
x-=(x&-x);
}
return su;
}
signed main() {
int m,q;
cin>>n>>m>>q;
vector<int> r[m+1];
int x;cin>>x;
r[x].push_back(1);
for(int i = 2;i<=n;i++){
int pr,x;cin>>pr>>x;
adj[pr].push_back(i);
r[x].push_back(i);
}
dfs(1);
vector<vector<int>> ans,ans2;
int id = -1;int b= 800;
int ge[m+1];
vector<int> noob;
for(int i = 1;i<=m;i++)ge[i] = -1;
for(int i = 1;i<=m;i++){
if(r[i].size()>=b){
noob.push_back(i);
ge[i] = ++id;
for(auto j:r[i]){
add(start[j],1);
}
ans.push_back({});
for(int j = 1;j<=m;j++){
int val = 0;
for(auto k:r[j]){
val+=sum(en[k])-sum(start[k]-1);
}
ans.back().push_back(val);
}
for(auto j:r[i]){
add(start[j],-1);
}
}
}
for(int i = 1;i<=m;i++){
for(auto j:r[i]){
add(start[j],1);
}
ans2.push_back({});
for(auto j:noob){
int val = 0;
for(auto k:r[j]){
val+=sum(en[k])-sum(start[k]-1);
}
ans2.back().push_back(val);
}
for(auto j:r[i]){
add(start[j],-1);
}
}
map<pair<int,int>,int> mp;
while(q--){
int a,b;cin>>a>>b;
if(ge[b]!=-1)cout<<ans[ge[b]][a-1]<<"\n";
else if(ge[a]!=-1)cout<<ans2[b-1][ge[a]]<<"\n";
else{
if(mp.count(make_pair(a,b))!=mp.end()){
cout<<mp[{a,b}]<<endl;continue;
}
for(auto j:r[b]){
add(start[j],1);
}
int val = 0;
for(auto j:r[a]){
val+=sum(en[j])-sum(start[j]-1);
}
for(auto j:r[b]){
add(start[j],-1);
}
mp[{a,b}] = val;
cout<<val<<endl;
}
}
return 0;
}
Compilation message
regions.cpp: In function 'int main()':
regions.cpp:47:23: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
47 | if(r[i].size()>=b){
| ~~~~~~~~~~~^~~
regions.cpp:88:40: error: no match for 'operator!=' (operand types are 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'} and 'std::map<std::pair<long long int, long long int>, long long int>::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, long long int>, std::_Select1st<std::pair<const std::pair<long long int, long long int>, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> > >::iterator'})
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
| | |
| | std::map<std::pair<long long int, long long int>, long long int>::iterator {aka std::_Rb_tree<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, long long int>, std::_Select1st<std::pair<const std::pair<long long int, long long int>, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> > >::iterator}
| std::map<std::pair<long long int, long long int>, long long int>::size_type {aka long unsigned 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 regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1064:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1064 | operator!=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1064:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1144:5: 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>&)'
1144 | operator!=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1144:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1237:5: 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>&)'
1237 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1237:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1311:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1311 | operator!=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1311:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: 'std::map<std::pair<long long int, long long int>, long long int>::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, long long int>, std::_Select1st<std::pair<const std::pair<long long int, long long int>, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1405:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1405 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1405:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1479:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1479 | operator!=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1479:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: 'std::map<std::pair<long long int, long long int>, long long int>::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, long long int>, std::_Select1st<std::pair<const std::pair<long long int, long long int>, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> > >::iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:1579:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator!=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1579 | operator!=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1579:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from regions.cpp:1:
/usr/include/c++/10/bits/regex.h:2126:5: 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>&)'
2126 | operator!=(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2126:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::__cxx11::match_results<_BiIter, _Alloc>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
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 regions.cpp:1:
/usr/include/c++/10/bits/postypes.h:227:5: note: candidate: 'template<class _StateT> bool std::operator!=(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
227 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:227:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::fpos<_StateT>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 regions.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:496:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
496 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:496:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::pair<_T1, _T2>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 regions.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: candidate: 'template<class _Iterator> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
372 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:372:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 regions.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
410 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:410:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 regions.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1444 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1444:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 regions.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: candidate: 'template<class _Iterator> bool std::operator!=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1501 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1501:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
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 regions.cpp:1:
/usr/include/c++/10/bits/allocator.h:213:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
213 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:213:5: note: template argument deduction/substitution failed:
regions.cpp:88:49: note: mismatched types 'const std::allocator<_CharT>' and 'std::map<std::pair<long long int, long long int>, long long int>::size_type' {aka 'long unsigned int'}
88 | if(mp.count(make_pair(a,b))!=mp.end()){
| ^
In file included 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 regions.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6229:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6229 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6229:5: note: template argument