| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 721530 | 2023-04-11T03:50:21 Z | alvingogo | Street Lamps (APIO19_street_lamps) | C++14 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
#define int long long
using namespace std;
struct BIT{
int n;
vector<int> bt;
BIT(int x){
n=x;
bt.resize(n+1);
}
void update(int x,int y){
x++;
for(;x<=n;x+=(x&-x)){
bt[x]+=y;
}
}
int query(int x){
x++;
int ans=0;
for(;x>0;x-=(x&-x)){
ans+=bt[x];
}
return ans;
}
};
struct BBIT{
int n,m;
vector<BIT> v;
BBIT(int x,int y){
n=x;
m=y;
v.resize(n+1,BIT(m));
}
void update(int x,int y,int z){
x++;
for(;x<=n;x+=(x&-x)){
v[x].update(y,z);
}
}
int query(int a,int y){
a++;
int ans=0;
for(;a>0;a-=(a&-a)){
ans+=v[a].query(y);
}
return ans;
}
};
signed main(){
AquA;
int n,q;
cin >> n >> q;
set<pair<int,int> > s;
string x;
cin >> x;
BBIT bt(n+5,n+5);
auto add=[&](int a,int b,int c,int d,int x){
bt.update(a,c,x);
bt.update(a,d+1,-x);
bt.update(b+1,c,-x);
bt.update(b+1,d+1,x);
};
int l=-1,r=0;
for(int i=0;i<n;i++){
if(x[i]=='0'){
if(l==-1){
continue;
}
s.insert({l,r});
l=-1;
}
else{
if(l==-1){
l=i;
}
r=max(r,i);
}
}
if(l!=-1){
s.insert({l,r});
}
for(int i=1;i<=q;i++){
string tf;
cin >> tf;
if(tf[0]=='q'){
int a,b;
cin >> a >> b;
a--;
b--;
auto h=*prev(s.lower_bound(make_pair(a,1e9)));
int flag=0;
if(h!=s.end() && h.fs<=a && h.sc>=b-1){
flag=i;
}
cout << bt.query(a,b)+flag << '\n';
}
else{
int z;
cin >> z;
z--;
if(x[z]=='1'){
auto u=*prev(s.lower_bound(make_pair(z,1e9)));
s.erase(u);
add(u.fs,z,z+1,u.sc+1,i);
if(u.fs<=z-1){
s.insert({u.fs,z-1});
}
if(z+1<=u.sc){
s.insert({z+1,u.sc});
}
x[z]='0';
}
else{
int al=z,ar=z;
auto p=s.lower_bound(make_pair(z,-1));
if(p!=s.begin()){
auto u=prev(p);
if((*u).sc==z-1){
al=(*u).fs;
s.erase(u);
}
}
if(p!=s.end() && (*p).fs==z+1){
ar=(*p).sc;
s.erase(p);
}
//cout << al << " " << z << " " << ar << endl;
add(al,z,z+1,ar+1,-i);
s.insert({al,ar});
x[z]='1';
}
}
}
return 0;
}
Compilation message
street_lamps.cpp: In function 'int main()':
street_lamps.cpp:99:8: error: no match for 'operator!=' (operand types are 'std::pair<long long int, long long int>' and 'std::set<std::pair<long long int, long long int> >::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator'})
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ~^~~~~~~~~
| | |
| | std::set<std::pair<long long int, long long int> >::iterator {aka std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator}
| std::pair<long long int, long long 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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::set<std::pair<long long int, long long int> >::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::set<std::pair<long long int, long long int> >::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::fpos<_StateT>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::set<std::pair<long long int, long long int> >::iterator' {aka 'std::_Rb_tree<std::pair<long long int, long long int>, std::pair<long long int, long long int>, std::_Identity<std::pair<long long int, long long int> >, std::less<std::pair<long long int, long long int> >, std::allocator<std::pair<long long int, long long int> > >::const_iterator'} is not derived from 'const std::pair<_T1, _T2>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::allocator<_CharT>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.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 deduction/substitution failed:
street_lamps.cpp:99:16: note: 'std::pair<long long int, long long int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6242:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6242 | operator!=(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6242:5: note: template argument deduction/substitution failed:
street_lamps.cpp:99:16: note: mismatched types 'const _CharT*' and 'std::pair<long long int, long long int>'
99 | if(h!=s.end() && h.fs<=a && h.sc>=b-1){
| ^
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/bas