| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 425062 | Theo830 | Toy Train (IOI17_train) | 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 <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9;
ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<int,int>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
#include "train.h"
ll comp[5005];
bool v[5005];
vector<set<ll> >adj;
vll nodes;
ll maxi = 0;
void solve(ll idx){
maxi = max(maxi,idx);
nodes.pb(idx);
for(auto x:adj[idx]){
if(!v[x]){
v[x] = 1;
solve(x);
}
}
}
vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
vector<int> res(a.size());
ll n = a.size();
ll m = u.size();
adj.assign(n+5,set<ll>());
f(i,0,m){
adj[u[i]].insert(v[i]);
}
f(i,0,n){
set<ll> neo;
if(adj[i].size() == 2){
sort(all(adj[i]));
if((a[i] && r[i]) || (!a[i] && !r[i])){
neo.insert(*(adj[i].begin()));
}
else{
neo.insert(*(adj[i].rbegin()));
}
}
else{
neo = adj[i];
}
adj[i] = neo;
}
f(i,0,n){
if(!v[i]){
v[i] = 1;
nodes.clear();
maxi = 0;
solve(i);
for(auto x:nodes){
comp[x] = maxi;
}
}
}
f(i,0,n){
res[i] = r[comp[i]];
}
return res;
}
/*
int main(){
int n, m;
assert(2 == scanf("%d %d", &n, &m));
vector<int> a(n), r(n), u(m), v(m);
for(int i = 0; i < n; i++)
assert(1 == scanf("%d", &a[i]));
for(int i = 0; i < n; i++)
assert(1 == scanf("%d", &r[i]));
for(int i = 0; i < m; i++)
assert(2 == scanf("%d %d", &u[i], &v[i]));
vector<int> res = who_wins(a, r, u, v);
for(int i = 0; i < (int)res.size(); i++)
printf(i ? " %d" : "%d", res[i]);
printf("\n");
return 0;
}
*/
Compilation message (stderr)
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h: In instantiation of 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::_Rb_tree_const_iterator<long long int>; _Compare = __gnu_cxx::__ops::_Iter_less_iter]':
/usr/include/c++/10/bits/stl_algo.h:4859:18: required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = std::_Rb_tree_const_iterator<long long int>]'
train.cpp:52:29: required from here
/usr/include/c++/10/bits/stl_algo.h:1975:22: error: no match for 'operator-' (operand types are 'std::_Rb_tree_const_iterator<long long int>' and 'std::_Rb_tree_const_iterator<long long int>')
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from train.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
500 | operator-(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::reverse_iterator<_Iterator>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from train.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1533 | operator-(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1533:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::move_iterator<_IteratorL>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from train.cpp:1:
/usr/include/c++/10/complex:361:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
361 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/10/complex:361:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::complex<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from train.cpp:1:
/usr/include/c++/10/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
370 | operator-(const complex<_Tp>& __x, const _Tp& __y)
| ^~~~~~~~
/usr/include/c++/10/complex:370:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::complex<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from train.cpp:1:
/usr/include/c++/10/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
379 | operator-(const _Tp& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/10/complex:379:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::complex<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from train.cpp:1:
/usr/include/c++/10/complex:456:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
456 | operator-(const complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/10/complex:456:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::complex<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/10/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::valarray<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::valarray<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
from train.cpp:1:
/usr/include/c++/10/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/valarray:1186:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from train.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:1975:22: note: 'std::_Rb_tree_const_iterator<long long int>' is not derived from 'const std::valarray<_Tp>'
1975 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~