| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 395223 | 2021-04-28T03:10:48 Z | irmuun | Swapping Cities (APIO20_swap) | C++17 | Compilation error |
0 ms | 0 KB |
#include "swap.h"
#include<bits/stdc++.h>
using namespace std;
int a,b,i,n,m,link[200000],edge[200000],sz[200000],x,y,ans[200000],edgeNum[200000],h[200000],d,e;
pair<int, pair<int,int> >p[200000];
int find(int x){
if(link[x]==x){
return x;
}
return link[x]=find(link[x]);
}
bool same(int a,int b){
if(find(a)==find(b)){
return true;
}
else{
return false;
}
}
void unite(int a,int b){
a=find(a);
b=find(b);
if(sz[a]<sz[b]){
swap(a,b);
}
if(ans[b]==1){
ans[a]=1;
}
link[b]=a;
sz[a]+=sz[b];
}
void init(int N, int M, vector<int> U, vector<int> V, vector<int> W) {
m=M;
n=N;
for(i=0;i<M;i++){
p[i].first=W[i];
p[i].second.first=U[i];
p[i].second.second=V[i];
edgeNum[U[i]]++;
edgeNum[V[i]]++;
}
sort(p,p+m);
for(i=0;i<n;i++){
h[edgeNum[i]]++;
}
}
int getMinimumFuelCapacity(int X, int Y) {
if(h[2]==n){
return p[m-1].first;
}
if(p[1]==n-1){
for(i=0;i<m;i++){
if(p[i].second.second==X){
d=p[i].first;
}
if(p[i].second.second==Y){
e=p[i].first;
}
}
return max(p[2].first,max(d,e));
}
for(i=0;i<n;i++){
link[i]=i;
sz[i]=1;
edge[i]=0;
ans[i]=0;
}
for(i=0;i<m;i++){
x=p[i].second.first;
y=p[i].second.second;
edge[x]++;
edge[y]++;
if(find(x)==find(y)||edge[x]>2||edge[y]>2){
ans[find(x)]=1;
ans[find(y)]=1;
}
unite(x,y);
if(find(X)==find(Y)&&ans[find(X)]==1){
return p[i].first;
}
}
return -1;
}
Compilation message
swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:51:10: error: no match for 'operator==' (operand types are 'std::pair<int, std::pair<int, int> >' and 'int')
51 | if(p[1]==n-1){
| ~~~~^~~~~
| | |
| | int
| std::pair<int, std::pair<int, int> >
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1026:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1026 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1026:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1099:5: 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>&)'
1099 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1099:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1173:5: 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>&)'
1173 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1173:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1247:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1247 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1247:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1321:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1321 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1321:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1395:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1395 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1395:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1473:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1473 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1473:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/regex:62,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110,
from swap.cpp:2:
/usr/include/c++/9/bits/regex.h:1991:5: 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>&)'
1991 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/9/bits/regex.h:1991:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
from /usr/include/c++/9/vector:60,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_pair.h:448:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
448 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_pair.h:448:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: mismatched types 'const std::pair<_T1, _T2>' and 'int'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:325:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
325 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:325:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_Iterator>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:363:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
363 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:363:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_Iterator>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1139:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1139 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1139:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1145:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1145 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1145:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/vector:64,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/allocator.h:168:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_T2>&)'
168 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/9/bits/allocator.h:168:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::allocator<_Tp1>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/vector:67,
from swap.h:1,
from swap.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1888:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)'
1888 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1888:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::vector<_Tp, _Alloc>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/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++/9/bits/postypes.h:222:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::fpos<_StateT>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:48,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/string_view:473:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
473 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/9/string_view:473:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:48,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/string_view:479:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >)'
479 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/9/string_view:479:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:48,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/string_view:485:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::__detail::__idt<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
485 | operator==(__detail::__idt<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/9/string_view:485:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/bits/basic_string.h:6141:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6141 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6141:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from swap.cpp:2:
/usr/include/c++/9/bits/basic_string.h:6149:5: note: candidate: 'template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)'
6149 | operator==(const basic_string<_CharT>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6149:5: note: template argument deduction/substitution failed:
swap.cpp:51:14: note: 'std::pair<int, std::pair<int, int> >' is not derived from 'const std::__cxx11::basic_string<_CharT>'
51 | if(p[1]==n-1){
| ^
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/i