| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 534200 | PikaQ | Let's Win the Election (JOI22_ho_t3) | 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>
#define forn(i,n) for(int i = 0;i < (n);i++)
#define forn(i,n) for(int i = 1;i <= (n);i++)
#define all(p) p.begin(),p.end()
#define pb push_back
#define f first
#define s second
#define rz resize
#define sz(x) x.size()
#define int long long
#define vi vector<int>
#define pii pair<int,int>
using namespace std;
const int n = 2e5+9;
const int inf = 500 * 1000 +9;
int n,k;
vector<pii> a;
bool cmp(pii x,pii y){
return (x.f < y.f || (x.f == y.f && x.s > y.s));
}
void solve(){
cin >> n >> k;
a.rz(n);
forn(i,n){
cin >> a[i].s >> a[i].f;
if(a[i].f == -1) a[i].f = inf;
}
sort(all(a),cmp);
double ans = -1;
double res = 0;
for(int i = 0;i <= k;i++){
if(i) {
res += (double)a[i-1].f/(i);
}
vi b;
for(int j = i;j < n;j++){
b.pb(a[j].s);
}
sort(all(b));
double tr = 0;
for(int r = 0;r < k-i;r++){
tr += b[r];
}
//cout << res << ' ' << tr << ' ' << (double)tr/(i+1) << '\n';
if(ans == -1) ans = res + tr/(double)(i+1);
ans = min(ans,(double) res + (double)tr / (i+1));
assert(ans >= 0);
}
cout << ans << '\n';
}
signed main(){
cin.tie(null);
cout.tie(null);
ios_base::sync_with_stdio(0);
cout << fixed << setprecision(4);
solve();
return 0;
}
Compilation message (stderr)
Main.cpp:3: warning: "forn" redefined
3 | #define forn(i,n) for(int i = 1;i <= (n);i++)
|
Main.cpp:2: note: this is the location of the previous definition
2 | #define forn(i,n) for(int i = 0;i < (n);i++)
|
Main.cpp:17:5: error: conflicting declaration 'long long int n'
17 | int n,k;
| ^
Main.cpp:14:11: note: previous declaration as 'const long long int n'
14 | const int n = 2e5+9;
| ^
Main.cpp: In function 'void solve()':
Main.cpp:25:6: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'const long long int')
25 | cin >> n >> k;
| ~~~ ^~ ~
| | |
| | const long long int
| std::istream {aka std::basic_istream<char>}
In file included 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/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
120 | operator>>(__istream_type& (*__pf)(__istream_type&))
| ^~~~~~~~
/usr/include/c++/10/istream:120:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
25 | cin >> n >> k;
| ^
| |
| long long int
In file included 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/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios<char>]' (near match)
124 | operator>>(__ios_type& (*__pf)(__ios_type&))
| ^~~~~~~~
/usr/include/c++/10/istream:124:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
25 | cin >> n >> k;
| ^
| |
| long long int
In file included 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/istream:131:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
131 | operator>>(ios_base& (*__pf)(ios_base&))
| ^~~~~~~~
/usr/include/c++/10/istream:131:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: invalid conversion from 'long long int' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
25 | cin >> n >> k;
| ^
| |
| long long int
In file included 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/istream:168:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
168 | operator>>(bool& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:168:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'bool&' to an rvalue of type 'bool'
25 | cin >> n >> k;
| ^
In file included 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/istream:172:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
172 | operator>>(short& __n);
| ^~~~~~~~
/usr/include/c++/10/istream:172:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: warning: overflow in conversion from 'long long int' to 'short int' changes value from '200009' to '3401' [-Woverflow]
25 | cin >> n >> k;
| ^
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'short int&' to an rvalue of type 'short int'
In file included 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/istream:175:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
175 | operator>>(unsigned short& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:175:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: warning: unsigned conversion from 'long long int' to 'short unsigned int' changes value from '200009' to '3401' [-Woverflow]
25 | cin >> n >> k;
| ^
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to an rvalue of type 'short unsigned int'
In file included 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/istream:179:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
179 | operator>>(int& __n);
| ^~~~~~~~
/usr/include/c++/10/istream:179:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
25 | cin >> n >> k;
| ^
In file included 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/istream:182:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
182 | operator>>(unsigned int& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:182:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'unsigned int&' to an rvalue of type 'unsigned int'
25 | cin >> n >> k;
| ^
In file included 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/istream:186:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
186 | operator>>(long& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:186:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'long int&' to an rvalue of type 'long int'
25 | cin >> n >> k;
| ^
In file included 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/istream:190:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
190 | operator>>(unsigned long& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:190:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to an rvalue of type 'long unsigned int'
25 | cin >> n >> k;
| ^
In file included 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/istream:195:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
195 | operator>>(long long& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:195:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: binding reference of type 'long long int&' to 'const long long int' discards qualifiers
25 | cin >> n >> k;
| ^
In file included 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/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
199 | operator>>(unsigned long long& __n)
| ^~~~~~~~
/usr/include/c++/10/istream:199:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to an rvalue of type 'long long unsigned int'
25 | cin >> n >> k;
| ^
In file included 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/istream:214:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
214 | operator>>(float& __f)
| ^~~~~~~~
/usr/include/c++/10/istream:214:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'float&' to an rvalue of type 'float'
25 | cin >> n >> k;
| ^
In file included 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/istream:218:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
218 | operator>>(double& __f)
| ^~~~~~~~
/usr/include/c++/10/istream:218:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'double&' to an rvalue of type 'double'
25 | cin >> n >> k;
| ^
In file included 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/istream:222:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
222 | operator>>(long double& __f)
| ^~~~~~~~
/usr/include/c++/10/istream:222:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: cannot bind non-const lvalue reference of type 'long double&' to an rvalue of type 'long double'
25 | cin >> n >> k;
| ^
In file included 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/istream:235:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream<char>]' (near match)
235 | operator>>(void*& __p)
| ^~~~~~~~
/usr/include/c++/10/istream:235:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: invalid conversion from 'long long int' to 'void*' [-fpermissive]
25 | cin >> n >> k;
| ^
| |
| long long int
Main.cpp:25:9: error: cannot bind rvalue '(void*)((long long int)n)' to 'void*&'
In file included 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/istream:259:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf<char>]' (near match)
259 | operator>>(__streambuf_type* __sb);
| ^~~~~~~~
/usr/include/c++/10/istream:259:7: note: conversion of argument 1 would be ill-formed:
Main.cpp:25:9: error: invalid conversion from 'long long int' to 'std::basic_istream<char>::__streambuf_type*' {aka 'std::basic_streambuf<char>*'} [-fpermissive]
25 | cin >> n >> k;
| ^
| |
| long long int
Main.cpp:25:6: note: candidate: 'operator>>(int, long long int)' (built-in)
25 | cin >> n >> k;
| ~~~~^~~~
Main.cpp:25:6: note: no known conversion for argument 1 from 'std::istream' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45,
from Main.cpp:1:
/usr/include/c++/10/cstddef:130:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)'
130 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/10/cstddef:130:5: note: template argument deduction/substitution failed:
Main.cpp:25:2: note: cannot convert 'std::cin' (type 'std::istream' {aka 'std::basic_istream<char>'}) to type 'std::byte'
25 | cin >> n >> k;
| ^~~
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 /var/local/l