# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
937936 | Litusiano | Let's Win the Election (JOI22_ho_t3) | 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<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
const int INF = 1e18;
mt19937 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());
bool cmp(pair<int,int> a, pair<int,int> b){
if(a.second == b.second) return a.first < b.first;
return a.second < b.second;
}
void shuffle(vector<pair<int,int>>& v){
int n = v.size();
for(int i = 0; i<3*n; i++){
int a = rng()%n; int b = rng()%n;
swap(v[a],v[b]);
}
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
setprecision(3)<<fixed;
int n,k1; cin>>n>>k1;
vector<pair<int,int>> v(n);
for(int i = 0; i<n; i++){
cin>>v[i].first>>v[i].second;
if(v[i].second == -1) v[i].second = INF;
}
sort(v.begin(),v.end());
long double ans = INF;
do{
long double dp[n+1][k1+1][k1+1];
for(int i = 0; i<=n; i++){
for(int j = 0; j<=k1; j++){
for(int k = 0; k<=k1; k++) dp[i][j][k] = 1.0*INF;
}
}
dp[0][0][0] = 0; // first i, j votes, k representants
for(int i = 1; i<=n; i++){
for(int j = 0; j<=k1; j++){
for(int k = 0; k<=k; k++){
dp[i][j][k] = dp[i-1][j][k];
if(!j) continue;
long double act = dp[i-1][j-1][k]; // just speech for vote
act+= 1.0*v[i-1].first/(k+1);
dp[i][j][k] = min(dp[i][j][k],act);
if(!k || v[i-1].second == INF) continue;
act = dp[i-1][j-1][k-1];
act+= 1.0*v[i-1].second / k;
dp[i][j][k] = min(dp[i][j][k],act);
}
}
}
for(int k = 0; k<=k1; k++){
ans = min(ans, dp[n][k1][k]);
}
}while(next_permutation(v.begin(),v.end()));
cout<<ans<<endl;
}
Compilation message (stderr)
Main.cpp: In function 'int main()': Main.cpp:25:17: error: no match for 'operator<<' (operand types are 'std::_Setprecision' and 'std::ios_base&(std::ios_base&)') 25 | setprecision(3)<<fixed; | ~~~~~~~~~~~~~~~^~~~~~~ | | | | | std::ios_base&(std::ios_base&) | std::_Setprecision In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from Main.cpp:1: /usr/include/c++/10/bits/regex.h:1647:5: note: candidate: 'template<class _Ch_type, class _Ch_traits, class _Bi_iter> std::basic_ostream<_CharT, _Traits>& std::__cxx11::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::sub_match<_Bi_iter>&)' 1647 | operator<<(basic_ostream<_Ch_type, _Ch_traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1647:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ 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 Main.cpp:1: /usr/include/c++/10/bits/basic_string.h:6458:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6458 | operator<<(basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6458:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/bits/ios_base.h:46, 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 Main.cpp:1: /usr/include/c++/10/system_error:262:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::error_code&)' 262 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __e) | ^~~~~~~~ /usr/include/c++/10/system_error:262:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:506:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, _CharT)' 506 | operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) | ^~~~~~~~ /usr/include/c++/10/ostream:506:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:511:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, char)' 511 | operator<<(basic_ostream<_CharT, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/10/ostream:511:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:517:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, char)' 517 | operator<<(basic_ostream<char, _Traits>& __out, char __c) | ^~~~~~~~ /usr/include/c++/10/ostream:517:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:523:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, signed char)' 523 | operator<<(basic_ostream<char, _Traits>& __out, signed char __c) | ^~~~~~~~ /usr/include/c++/10/ostream:523:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:528:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, unsigned char)' 528 | operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c) | ^~~~~~~~ /usr/include/c++/10/ostream:528:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:589:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)' 589 | operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) | ^~~~~~~~ /usr/include/c++/10/ostream:589:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/ostream:784, from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/bits/ostream.tcc:321:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const char*)' 321 | operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/10/bits/ostream.tcc:321:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:606:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*)' 606 | operator<<(basic_ostream<char, _Traits>& __out, const char* __s) | ^~~~~~~~ /usr/include/c++/10/ostream:606:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:619:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const signed char*)' 619 | operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s) | ^~~~~~~~ /usr/include/c++/10/ostream:619:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:624:5: note: candidate: 'template<class _Traits> std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const unsigned char*)' 624 | operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s) | ^~~~~~~~ /usr/include/c++/10/ostream:624:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<char, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/c++/10/istream:39, 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 Main.cpp:1: /usr/include/c++/10/ostream:773:5: note: candidate: 'template<class _Ostream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_ostream<_Ostream>, std::__is_insertable<typename std::__is_convertible_to_basic_ostream<_Tp>::__ostream_type, const _Tp&, void> >::value, typename std::__is_convertible_to_basic_ostream<_Tp>::__ostream_type>::type std::operator<<(_Ostream&&, const _Tp&)' 773 | operator<<(_Ostream&& __os, const _Tp& __x) | ^~~~~~~~ /usr/include/c++/10/ostream:773:5: note: template argument deduction/substitution failed: /usr/include/c++/10/ostream: In substitution of 'template<class _Ostream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_ostream<_Ostream>, std::__is_insertable<typename std::__is_convertible_to_basic_ostream<_Tp>::__ostream_type, const _Tp&, void> >::value, typename std::__is_convertible_to_basic_ostream<_Tp>::__ostream_type>::type std::operator<<(_Ostream&&, const _Tp&) [with _Ostream = std::_Setprecision; _Tp = std::ios_base&(std::ios_base&)]': Main.cpp:25:19: required from here /usr/include/c++/10/ostream:773:5: error: no type named 'type' in 'struct std::enable_if<false, void>' In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from Main.cpp:1: /usr/include/c++/10/complex:554:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::complex<_Tp>&)' 554 | operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x) | ^~~~~~~~ /usr/include/c++/10/complex:554:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:66, from Main.cpp:1: /usr/include/c++/10/bitset:1540:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const std::bitset<_Nb>&)' 1540 | operator<<(std::basic_ostream<_CharT, _Traits>& __os, | ^~~~~~~~ /usr/include/c++/10/bitset:1540:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from Main.cpp:1: /usr/include/c++/10/iomanip:79:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Resetiosflags)' 79 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Resetiosflags __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:79:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from Main.cpp:1: /usr/include/c++/10/iomanip:109:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setiosflags)' 109 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Setiosflags __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:109:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from Main.cpp:1: /usr/include/c++/10/iomanip:143:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setbase)' 143 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Setbase __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:143:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from Main.cpp:1: /usr/include/c++/10/iomanip:178:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setfill<_CharT>)' 178 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Setfill<_CharT> __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:178:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from Main.cpp:1: /usr/include/c++/10/iomanip:208:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, std::_Setprecision)' 208 | operator<<(basic_ostream<_CharT, _Traits>& __os, _Setprecision __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:208:5: note: template argument deduction/substitution failed: Main.cpp:25:19: note: 'std::_Setprecision' is not derived from 'std::basic_ostream<_CharT, _Traits>' 25 | setprecision(3)<<fixed; | ^~~~~ In file included from /usr/include/x86