# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
649958 | enerelt14 | Cats or Dogs (JOI18_catdog) | C++14 | 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 "catdog.h"
#include<bits/stdc++.h>
#define pb push_back
using namespace std;
const int MX=1e5+5;
int n, sz[MX], par[MX], num[MX];
int hldpar[MX], pos[MX], st[MX];
vetcor<int>adj[MX];
void dfs(int u, int pre){
sz[u]=1;
par[u]=pre;
for (int i=0;i<adj[u].size();i++){
int v=adj[u][i];
if (v==pre)continue;
dfs(v);
sz[u]+=sz[v];
}
}
void hld(int u, int pre){
num[u]++;
pos[u]=num[pre];
hldpar[u]=pre;
for (int i=0;i<adj[u].size();i++){
int v=adj[u][i];
if (v==par[u])continue;
if (sz[v]*2>=sz[u])hld(v, pre);
else hld(v, v);
}
}
struct node{
int a00, a01, a10, a11;
friend node operator + (const node& a, cons node& b){
node c;
c.a00=min(a.a00+b.a00, a.a01+b.a10);
c.a01=min(a.a00+b.a01, a.a01+b.a11);
c.a10=min(a.a10+b.a00, a.a11+b.a10);
c.a11=min(a.a10+b.a01, a.a11+b.a11);
return c;
}
};
struct segtree{
int s;
vector<node>cost;
segtree(int n){
while(s<n)s*=2;
cost.resize(2*s);
for (int i=0i;<2*s;i++)cost[i].a01=cost[i].a10=1;
}
void update(int i, int& ch0, int& ch1){
i+=s;
cost[i].a00+=ch0;
cost[i].a01+=ch0;
cost[i].a10+=ch1;
cost[i].a11+=ch1;
i/=2;
while(i!=0){
cost[i]=cost[i*2]+cost[i*2+1];
i/=2;
}
}
void calc(int& x, int& y){
x=min(cost[1].a00, cost[1].a01);
y=min(cost[1].a10, cost[1].a11);
}
}seg[MX];
void initialize(int N, vector<int> A, vector<int> B){
n=N;
for (int i=0;i<n;i++){
adj[A[i]].pb(B[i]);
adj[B[i]].pb(A[i]);
}
dfs(1, 0);
hld(1, 1);
for (int i=1;i<=n;i++){
if (i==hldpar[i])seg[i]=segtree(num[i]);
}
}
void update(int u, int x, int y){
while(u!=0){
int hd=hldpar[u];
int bef0, bef1, aft0, aft1;
seg[hd].calc(bef0, bef1);
seg[hd].update(pos[u], x, y);
seg[hd].calc(aft0, aft1);
x=min(bef0, bef1+1)-min(aft0, aft1+1);
y=min(bef0+1, bef1)-min(aft0+1, aft1);
u=par[hd];
}
}
int query(){
int x, y;
seg[1].calc(x, y);
return min(x, y);
}
int cat(int v){
st[v]=1;
update(v, 0, n);
return query();
}
int dog(int v){
st[v]=2;
update(v, n, 0);
return query();
}
int neighbor(int v){
if (st[v]==1)update(v, 0, -n);
else update(v, -n, 0);
st[v]=0;
return query();
}
Compilation message (stderr)
catdog.cpp:8:1: error: 'vetcor' does not name a type 8 | vetcor<int>adj[MX]; | ^~~~~~ catdog.cpp: In function 'void dfs(int, int)': catdog.cpp:12:20: error: 'adj' was not declared in this scope 12 | for (int i=0;i<adj[u].size();i++){ | ^~~ catdog.cpp:15:14: error: too few arguments to function 'void dfs(int, int)' 15 | dfs(v); | ^ catdog.cpp:9:6: note: declared here 9 | void dfs(int u, int pre){ | ^~~ catdog.cpp: In function 'void hld(int, int)': catdog.cpp:23:20: error: 'adj' was not declared in this scope 23 | for (int i=0;i<adj[u].size();i++){ | ^~~ catdog.cpp: At global scope: catdog.cpp:32:44: error: 'cons' has not been declared 32 | friend node operator + (const node& a, cons node& b){ | ^~~~ catdog.cpp:32:53: error: expected ',' or '...' before '&' token 32 | friend node operator + (const node& a, cons node& b){ | ^ catdog.cpp: In function 'node operator+(const node&, int)': catdog.cpp:33:13: error: expected ';' before 'c' 33 | node c; | ^~ | ; catdog.cpp:33:9: warning: statement has no effect [-Wunused-value] 33 | node c; | ^~~~ catdog.cpp:34:9: error: 'c' was not declared in this scope 34 | c.a00=min(a.a00+b.a00, a.a01+b.a10); | ^ catdog.cpp:34:25: error: 'b' was not declared in this scope 34 | c.a00=min(a.a00+b.a00, a.a01+b.a10); | ^ catdog.cpp: In constructor 'segtree::segtree(int)': catdog.cpp:47:20: error: cannot convert 'std::complex<double>' to 'int' in initialization 47 | for (int i=0i;<2*s;i++)cost[i].a01=cost[i].a10=1; | ^~ | | | std::complex<double> catdog.cpp:47:23: error: expected primary-expression before '<' token 47 | for (int i=0i;<2*s;i++)cost[i].a01=cost[i].a10=1; | ^ catdog.cpp: In member function 'void segtree::update(int, int&, int&)': catdog.cpp:57:30: error: no match for 'operator+' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} and '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'}) 57 | cost[i]=cost[i*2]+cost[i*2+1]; In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from catdog.h:3, from catdog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:508:5: note: candidate: 'template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)' 508 | operator+(typename reverse_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:508:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::reverse_iterator<_Iterator>' 57 | cost[i]=cost[i*2]+cost[i*2+1]; | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from catdog.h:3, from catdog.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1540:5: note: candidate: 'template<class _Iterator> std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)' 1540 | operator+(typename move_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1540:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::move_iterator<_IteratorL>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6022:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6022 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6022:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+1]; | ^ In file included from /usr/include/c++/10/string:56, 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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.tcc:1160:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 1160 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1160:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: mismatched types 'const _CharT*' and 'node' 57 | cost[i]=cost[i*2]+cost[i*2+1]; | ^ In file included from /usr/include/c++/10/string:56, 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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.tcc:1180:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 1180 | operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1180:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6059:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)' 6059 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6059:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6075:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, _CharT)' 6075 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6075:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6087:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6087 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6087:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6093:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)' 6093 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6093:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6099:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)' 6099 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6099:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6121:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)' 6121 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6121:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: mismatched types 'const _CharT*' and 'node' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6127:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&)' 6127 | operator+(_CharT __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6127:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+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 catdog.cpp:2: /usr/include/c++/10/bits/basic_string.h:6133:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*)' 6133 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6133:5: note: template argument deduction/substitution failed: catdog.cpp:57:41: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 57 | cost[i]=cost[i*2]+cost[i*2+1]; | ^ In file included from /usr/include/c++/10/string:55,