結果

問題 No.1374 Absolute Game
ユーザー Gosu_Hiroo
提出日時 2021-02-05 22:32:22
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 8,917 bytes
コンパイル時間 2,435 ms
コンパイル使用メモリ 201,700 KB
最終ジャッジ日時 2025-01-18 12:40:27
ジャッジサーバーID
(参考情報)
judge3 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 6 WA * 20
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

/**
* code generated by JHelper
* More info: https://github.com/AlexeyDmitriev/JHelper
* @author
*/
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ld = long double;
template<typename T, typename U = T>
using P = pair<T, U>;
template<typename T>
using V = vector<T>;
using VI = vector<int>;
using VL = vector<long long>;
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
//#pragma GCC target("avx512f")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast")
#define G(size_1) vector<vector<int>>(size_1, vector<int>())
#define SZ(x) ((long long)(x).size())
#define READ ({long long t;cin >> t;t;})
#define FOR(i, __begin, __end) for (auto i = (__begin) - ((__begin) > (__end)); i != (__end) - ((__begin) > (__end)); i += 1 - 2 * ((__begin) >
    (__end)))
#define REP(i, __end) for (auto i = decltype(__end){0}; i < (__end); ++i)
#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
#define F first
#define S second
#define y0 y3487465
#define y1 y8687969
#define j0 j1347829
#define j1 j234892
#define BIT(n) (1LL<<(n))
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() )
#define EB emplace_back
#define PB push_back
#define fcout cout << fixed << setprecision(12)
#define fcerr cerr << fixed << setprecision(12)
#define print(x) cout << (x) << '\n'
#define printE(x) cout << (x) << endl;
#define fprint(x) cout << fixed << setprecision(12) << (x) << '\n'
# define BYE(a) do { cout << (a) << endl; return ; } while (false)
#define LB lower_bound
#define UB upper_bound
#define LBI(c, x) distance((c).begin(), lower_bound((c).begin(), (c).end(), (x)))
#define UBI(c, x) distance((c).begin(), upper_bound((c).begin(), (c).end(), (x)))
#ifdef DEBUG
#define DBG(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); _err(cerr
    ,_it, args); }
#define ERR(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); _err(std
    ::cerr,_it, args); }
#else
#define DBG(args...) {};
#define ERR(args...) {};
#endif
void _err(std::ostream &cerr, istream_iterator<string> it){cerr<<endl;}
template<typename T, typename... Args>
void _err(std::ostream &cerr, istream_iterator<string> it, T a, Args... args){
cerr<<*it<<" = "<<a<<" ";
_err(cerr, ++it, args...);
}
namespace aux{
template<std::size_t...>
struct seq{
};
template<std::size_t N, std::size_t... Is>
struct gen_seq : gen_seq<N - 1, N - 1, Is...>{
};
template<std::size_t... Is>
struct gen_seq<0, Is...> : seq<Is...>{
};
template<class Ch, class Tr, class Tuple, std::size_t... Is>
void print_tuple(std::basic_ostream<Ch, Tr>& os, Tuple const& t, seq<Is...>){
using swallow = int[];
(void) swallow{0, (void(os << (Is == 0 ? "" : ",") << std::get<Is>(t)), 0)...};
}
template<class Ch, class Tr, class Tuple, std::size_t... Is>
void read_tuple(std::basic_istream<Ch, Tr>& os, Tuple& t, seq<Is...>){
using swallow = int[];
(void) swallow{0, (void(os >> std::get<Is>(t)), 0)...};
}
} // aux::
template<class Ch, class Tr, class... Args>
auto operator<<(std::basic_ostream<Ch, Tr>& os, std::tuple<Args...> const& t)
-> std::basic_ostream<Ch, Tr>&{
os << "(";
aux::print_tuple(os, t, aux::gen_seq<sizeof...(Args)>());
return os << ")";
}
template<class Ch, class Tr, class... Args>
auto operator>>(std::basic_istream<Ch, Tr>& os, std::tuple<Args...>& t)
-> std::basic_istream<Ch, Tr>&{
aux::read_tuple(os, t, aux::gen_seq<sizeof...(Args)>());
return os;
}
template<class T>
inline bool chmax(T &a, const T &b){
if(a < b){
a=b;
return 1;
}
return 0;
}
template<class T>
inline bool chmin(T &a, const T &b){
if(b < a){
a=b;
return 1;
}
return 0;
}
template<typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &V){
is>>V.F>>V.S;
return is;
}
template<typename T>
istream &operator>>(istream &is, vector<T> &V){
for(auto &&ele : V)is>>ele;
return is;
}
template<typename T>
ostream &operator<<(ostream &os, const vector<T> V){
os<<"[";
int cnt=0;
T curr;
if(!V.empty()){
for(int i=0; i < V.size()-1; ++i){
if(V[i] == curr)cnt++;
else cnt=0;
if(cnt == 4)os<<"... ";
if(cnt < 4)
os<<i<<":"<<V[i]<<" ";
curr=V[i];
}
os<<V.size()-1<<":"<<V.back();
}
os<<"]\n";
return os;
}
template<typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> P){
os<<"(";
os<<P.first<<","<<P.second;
os<<")";
return os;
}
template<typename T, typename U>
ostream &operator<<(ostream &os, const set<T, U> V){
os<<"{";
if(!V.empty()){
auto it=V.begin();
for(int i=0; i < V.size()-1; ++i){
os<<*it<<" ";
it++;
}
os<<*it;
}
os<<"}\n";
return os;
}
template<typename K, typename H, typename P>
ostream &operator<<(ostream &os, const unordered_set<K, H, P> V){
os<<"{";
if(!V.empty()){
auto it=V.begin();
for(int i=0; i < V.size()-1; ++i){
os<<*it<<" ";
it++;
}
os<<*it;
}
os<<"}\n";
return os;
}
template<typename K, typename C>
ostream &operator<<(ostream &os, const multiset<K, C> V){
os<<"{";
if(!V.empty()){
auto it=V.begin();
for(int i=0; i < V.size()-1; ++i){
os<<*it<<" ";
it++;
}
os<<*it;
}
os<<"}";
return os;
}
template<typename K, typename T, typename C>
ostream &operator<<(ostream &os, const map<K, T, C> V){
os<<"{";
if(!V.empty()){
auto it=V.begin();
for(int i=0; i < V.size()-1; ++i){
os<<"(";
os<<it->first<<","<<it->second;
os<<") ";
it++;
}
os<<"(";
os<<it->first<<","<<it->second;
os<<")";
}
os<<"}\n";
return os;
}
template<typename K, typename T, typename C>
ostream &operator<<(ostream &os, const unordered_map<K, T, C> V){
os<<"{";
if(!V.empty()){
auto it=V.begin();
for(int i=0; i < V.size()-1; ++i){
os<<"(";
os<<it->first<<","<<it->second;
os<<") ";
it++;
}
os<<"(";
os<<it->first<<","<<it->second;
os<<")";
}
os<<"}\n";
return os;
}
template<typename T>
ostream &operator<<(ostream &os, const deque<T> V){
os<<"[";
if(!V.empty()){
for(int i=0; i < V.size()-1; ++i){
os<<V[i]<<"->";
}
if(!V.empty())os<<V.back();
}
os<<"]\n";
return os;
};
template<typename T, typename Cont, typename Comp>
ostream &operator<<(ostream &os, const priority_queue<T, Cont, Comp> V){
priority_queue<T, Cont, Comp> _V=V;
os<<"[";
if(!_V.empty()){
while(_V.size() > 1){
os<<_V.top()<<"->";
_V.pop();
}
os<<_V.top();
}
os<<"]\n";
return os;
};
template<class F>
struct y_combinator{
F f; // the lambda will be stored here
// a forwarding operator():
template<class... Args>
decltype(auto) operator()(Args &&... args) const{
// we pass ourselves to f, then the arguments.
// the lambda should take the first argument as `auto&& recurse` or similar.
return f(*this, std::forward<Args>(args)...);
}
};
// helper function that deduces the type of the lambda:
template<class F>
y_combinator<std::decay_t<F>> recursive(F &&f){
return {std::forward<F>(f)};
}
struct hash_pair{
template<class T1, class T2>
size_t operator()(const pair<T1, T2> &p) const{
auto hash1=hash<T1>{}(p.first);
auto hash2=hash<T2>{}(p.second);
return hash1^hash2;
}
};
template<typename U>
auto vec(int n, U v){
return std::vector(n, v);
}
template<typename... Args>
auto vec(int n, Args... args){
auto val = vec(std::forward<Args>(args)...);
return std::vector<decltype(val)>(n, std::move(val));
}
const double PI=2*acos(.0);
const int INF=0x3f3f3f3f;
template<class T>
inline T ceil(T a, T b){return (a+b-1)/b;}
inline long long popcount(ll x){return __builtin_popcountll(x);}
void solve(std::istream& cin, std::ostream& cout, std::ostream& cerr) {
ll N;cin >> N;
VL a(N);cin >>a;
sort(RALL(a));
ll I = accumulate(ALL(a), 0ll), S = 0;
REP(i,(N+1)/2)S += a[i];
DBG(S,I)
VL ans = {S*2-I,-I,I,I-S*2};
sort(RALL(ans));
print(ans[1]);
}
#undef int
int main() {
istream& in(cin);
ostream& out(cout);
ostringstream err;
in.tie(0); ios::sync_with_stdio(0);
solve(in, out, err);
return 0;
}
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