結果
問題 | No.972 選び方のスコア |
ユーザー | omochana2 |
提出日時 | 2020-01-21 21:48:57 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 62 ms / 2,000 ms |
コード長 | 2,564 bytes |
コンパイル時間 | 1,465 ms |
コンパイル使用メモリ | 163,232 KB |
実行使用メモリ | 7,040 KB |
最終ジャッジ日時 | 2024-07-06 06:31:32 |
合計ジャッジ時間 | 5,342 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 61 ms
6,912 KB |
testcase_01 | AC | 62 ms
6,912 KB |
testcase_02 | AC | 58 ms
6,784 KB |
testcase_03 | AC | 30 ms
5,376 KB |
testcase_04 | AC | 60 ms
6,784 KB |
testcase_05 | AC | 60 ms
6,784 KB |
testcase_06 | AC | 60 ms
6,784 KB |
testcase_07 | AC | 45 ms
6,272 KB |
testcase_08 | AC | 46 ms
6,912 KB |
testcase_09 | AC | 44 ms
6,784 KB |
testcase_10 | AC | 47 ms
6,912 KB |
testcase_11 | AC | 48 ms
6,784 KB |
testcase_12 | AC | 48 ms
6,784 KB |
testcase_13 | AC | 48 ms
6,784 KB |
testcase_14 | AC | 48 ms
6,912 KB |
testcase_15 | AC | 50 ms
6,784 KB |
testcase_16 | AC | 49 ms
6,912 KB |
testcase_17 | AC | 49 ms
7,040 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 59 ms
6,784 KB |
testcase_20 | AC | 58 ms
6,656 KB |
testcase_21 | AC | 58 ms
7,040 KB |
testcase_22 | AC | 57 ms
6,912 KB |
testcase_23 | AC | 58 ms
6,912 KB |
testcase_24 | AC | 57 ms
6,784 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define ADD(a, b) a = (a + ll(b)) % mod #define MUL(a, b) a = (a * ll(b)) % mod #define MAX(a, b) a = max(a, b) #define MIN(a, b) a = min(a, b) #define rep(i, a, b) for(int i = int(a); i < int(b); i++) #define rer(i, a, b) for(int i = int(a) - 1; i >= int(b); i--) #define all(a) (a).begin(), (a).end() #define sz(v) (int)(v).size() #define pb push_back #define sec second #define fst first #define debug(fmt, ...) Debug(__LINE__, ":", fmt, ##__VA_ARGS__) using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pi; typedef pair<ll, ll> pl; typedef pair<int, pi> ppi; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<vl> mat; typedef complex<double> comp; void Debug() {cerr << '\n'; } template<class FIRST, class... REST>void Debug(FIRST arg, REST... rest){ cerr<<arg<<" ";Debug(rest...);} template<class T>ostream& operator<<(ostream& out,const vector<T>& v) { out<<"[";if(!v.empty()){rep(i,0,sz(v)-1)out<<v[i]<<", ";out<<v.back();}out<<"]";return out;} template<class S, class T>ostream& operator<<(ostream& out,const pair<S, T>& v){ out<<"("<<v.first<<", "<<v.second<<")";return out;} const int MAX_N = 500010; const int MAX_V = 100010; const double eps = 1e-6; const ll mod = 1000000007; const int inf = (1 << 30) - 1; const ll linf = 1LL << 60; const double PI = 3.14159265358979323846; mt19937 rng; //use it by rng() % mod, shuffle(all(vec), rng) /////////////////////////////////////////////////////////////////////////////////////////////////// int N; ll A[MAX_N]; ll S[MAX_N]; void solve() { cin >> N; rep(i, 0, N) cin >> A[i]; sort(A, A + N); rep(i, 0, N) S[i + 1] = S[i] + A[i]; A[N] = linf; ll res = 0; rep(i, 0, N) { int ok = 0, ng = min(i, N - 1 - i) + 1; while(abs(ng - ok) > 1) { int m = (ok + ng) / 2; int lidx = i - m, ridx = N - m; if(A[lidx] + A[ridx] >= 2 * A[i]) ok = m; else ng = m; } ll v = S[i] - S[i - ok] + S[N] - S[N - ok] - ok * 2 * A[i]; MAX(res, v); } cout << res << "\n"; } uint32_t rd() { uint32_t res; #ifdef __MINGW32__ asm volatile("rdrand %0" :"=a"(res) ::"cc"); #else res = std::random_device()(); #endif return res; } int main() { #ifndef LOCAL ios::sync_with_stdio(false); cin.tie(0); #endif cout << fixed; cout.precision(20); cerr << fixed; cerr.precision(6); rng.seed(rd()); #ifdef LOCAL //freopen("in.txt", "wt", stdout); //for tester if(!freopen("in.txt", "rt", stdin)) return 1; #endif solve(); cerr << "Time: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n"; return 0; }