# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
596160 | FatihSolak | Highway Tolls (IOI18_highway) | 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 "highway.h"
#include <bits/stdc++.h>
#define N 100005
using namespace std;
vector<pair<int,int>> adj[N];
int par[N];
int paredge[N];
vector<int> x;
void dfs(int v,int pr,int predge,int dep){
par[v] = pr;
paredge[v] = predge;
if(dep == 0){
x.push_back(v);
return;
}
for(auto u:adj[v]){
if(u.first == pr)continue;
dfs(u.first,v,u.second,dep-1);
}
}
void find_pair(int n, vector<int> u, vector<int> v, int a, int b) {
int m = u.size();
for(int i = 0;i<m;i++){
adj[u[i]].push_back({v[i],i});
adj[v[i]].push_back({u[i],i});
}
vector<int> w(m,0);
int dep = ask(w) / a;
dfs(0,-1,-1,dep);
while(x.size() > 1){
vector<int> a;
while(a.size() < x.size()){
a.push_back(x.back());
x.pop_back();
}
w.assign(m,0);
for(auto u:a){
w[paredge[u]] = 1;
}
if(ask(w) != dep * a){
x = a;
}
}
answer(0, x[0]);
}
Compilation message (stderr)
highway.cpp: In function 'void find_pair(int, std::vector<int>, std::vector<int>, int, int)': highway.cpp:40:20: error: no match for 'operator*' (operand types are 'int' and 'std::vector<int>') 40 | if(ask(w) != dep * a){ | ~~~ ^ ~ | | | | int std::vector<int> In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from highway.cpp:2: /usr/include/c++/10/complex:391:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const std::complex<_Tp>&)' 391 | operator*(const complex<_Tp>& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:391:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::complex<_Tp>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from highway.cpp:2: /usr/include/c++/10/complex:400:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const std::complex<_Tp>&, const _Tp&)' 400 | operator*(const complex<_Tp>& __x, const _Tp& __y) | ^~~~~~~~ /usr/include/c++/10/complex:400:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::complex<_Tp>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from highway.cpp:2: /usr/include/c++/10/complex:409:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator*(const _Tp&, const std::complex<_Tp>&)' 409 | operator*(const _Tp& __x, const complex<_Tp>& __y) | ^~~~~~~~ /usr/include/c++/10/complex:409:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: 'std::vector<int>' is not derived from 'const std::complex<_Tp>' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/bits/valarray_after.h:407:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)' 407 | _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/bits/valarray_after.h:407:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)' 407 | _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/bits/valarray_after.h:407:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 407 | _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: 'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/bits/valarray_after.h:407:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)' 407 | _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/bits/valarray_after.h:407:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__multiplies, typename _Dom1::value_type>::result_type> std::operator*(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)' 407 | _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:407:5: note: template argument deduction/substitution failed: highway.cpp:40:22: note: 'std::vector<int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const std::valarray<_Tp>&)' 1187 | _DEFINE_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1187:1: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::valarray<_Tp>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)' 1187 | _DEFINE_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1187:1: note: template argument deduction/substitution failed: highway.cpp:40:22: note: mismatched types 'const std::valarray<_Tp>' and 'int' 40 | if(ask(w) != dep * a){ | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from highway.cpp:2: /usr/include/c++/10/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__multiplies, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__multiplies, _Tp>::result_type> std::operator*(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)' 1187 | _DEFINE_BINARY_OPERATOR(*, __multiplies) | ^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/valarray:1187:1: note: template argument deduction/substitution failed: highway.cpp:40:22: note: 'std::vector<int>' is not derived from 'const std::valarray<_Tp>' 40 | if(ask(w) != dep * a){ | ^