結果
問題 | No.1374 Absolute Game |
ユーザー |
|
提出日時 | 2021-02-06 00:15:50 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,176 bytes |
コンパイル時間 | 1,909 ms |
コンパイル使用メモリ | 205,204 KB |
最終ジャッジ日時 | 2025-01-18 13:15:49 |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 6 WA * 20 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define rep(i, a) for (int i = 0; i < (int)(a); i++)#define sz(x) (int)(x).size()#define pcnt __builtin_popcountlltypedef long long ll;template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,sz(v))i>>v[j];return i;}template<typename T>string join(const vector<T>&v){stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);}template<typename T>ostream& operator<<(ostream&o,const vector<T>&v){if(sz(v))o<<join(v);return o;}template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.first>>v.second;}template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.first<<","<<v.second;}template<typename T>bool mins(T& x,const T&y){if(x>y){x=y;return true;}else return false;}template<typename T>bool maxs(T& x,const T&y){if(x<y){x=y;return true;}else return false;}template<typename T>ll suma(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}#ifdef _DEBUGinline void dump() { cerr << endl; }template <typename Head> void dump(Head &&head) { cerr << head; dump(); }template <typename Head, typename... Tail> void dump(Head &&head, Tail &&... tail) { cerr << head << ", "; dump(forward<Tail>(tail)...); }#define debug(...) do { cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; dump(__VA_ARGS__); } while (false)#else#define dump(...)#define debug(...)#endiftemplate <typename T> struct edge {int src, to;T cost;edge(int to, T cost) : src(-1), to(to), cost(cost) {}edge(int src, int to, T cost) : src(src), to(to), cost(cost) {}edge &operator=(const int &x) {to = x;return *this;}operator int() const { return to; }};template <typename T> using Edges = vector<edge<T>>;template <typename T> using WeightedGraph = vector<Edges<T>>;using UnWeightedGraph = vector<vector<int>>;template <typename T> using Matrix = vector<vector<T>>;const ll LINF = 1LL << 60;const int INF = 1001001001;/////////////////////////////////////////////////////////////////////int main(){int n; cin>>n;vector<ll> a(n); cin>>a;sort(a.begin(),a.end());deque<ll> b;rep(i, n) b.push_back(a[i]);deque<ll> q;ll ans = -LINF;{deque<ll> q = b;ll x=0, y=0;for (int i=0; i<n; i++) {if (i&1) {y += q.front(); q.pop_front();} else {x += q.front(); q.pop_front();}}maxs(ans, abs(x)-abs(y));}{deque<ll> q = b;ll x=0, y=0;for (int i=0; i<n; i++) {if (i&1) {y += q.back(); q.pop_back();} else {x += q.back(); q.pop_back();}}maxs(ans, abs(x)-abs(y));}{deque<ll> q = b;ll x=0, y=0;for (int i=0; i<n; i++) {if (i&1) {y += q.front(); q.pop_front();} else {x += q.back(); q.pop_back();}}maxs(ans, abs(x)-abs(y));}{deque<ll> q = b;ll x=0, y=0;for (int i=0; i<n; i++) {if (i&1) {y += q.back(); q.pop_back();} else {x += q.front(); q.pop_front();}}maxs(ans, abs(x)-abs(y));}cout << ans << "\n";return 0;}