結果
問題 | No.1391 ±1 Abs Sum |
ユーザー | stoq |
提出日時 | 2021-08-06 09:09:55 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 64 ms / 2,000 ms |
コード長 | 3,734 bytes |
コンパイル時間 | 2,126 ms |
コンパイル使用メモリ | 209,388 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-16 21:48:16 |
合計ジャッジ時間 | 5,998 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge6 |
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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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 64 ms
6,944 KB |
testcase_12 | AC | 48 ms
6,944 KB |
testcase_13 | AC | 58 ms
6,940 KB |
testcase_14 | AC | 37 ms
6,940 KB |
testcase_15 | AC | 39 ms
6,944 KB |
testcase_16 | AC | 49 ms
6,940 KB |
testcase_17 | AC | 43 ms
6,940 KB |
testcase_18 | AC | 60 ms
6,944 KB |
testcase_19 | AC | 41 ms
6,940 KB |
testcase_20 | AC | 62 ms
6,944 KB |
testcase_21 | AC | 47 ms
6,944 KB |
testcase_22 | AC | 47 ms
6,940 KB |
testcase_23 | AC | 54 ms
6,940 KB |
testcase_24 | AC | 50 ms
6,944 KB |
testcase_25 | AC | 50 ms
6,940 KB |
testcase_26 | AC | 53 ms
6,940 KB |
testcase_27 | AC | 37 ms
6,940 KB |
testcase_28 | AC | 37 ms
6,944 KB |
testcase_29 | AC | 48 ms
6,940 KB |
testcase_30 | AC | 41 ms
6,940 KB |
testcase_31 | AC | 64 ms
6,940 KB |
testcase_32 | AC | 32 ms
6,940 KB |
testcase_33 | AC | 37 ms
6,940 KB |
testcase_34 | AC | 60 ms
6,944 KB |
testcase_35 | AC | 2 ms
6,940 KB |
testcase_36 | AC | 39 ms
6,944 KB |
ソースコード
#define MOD_TYPE 1 #pragma region Macros #include <bits/stdc++.h> using namespace std; #if 1 #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #endif #if 0 #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/tag_and_trait.hpp> #include <ext/rope> using namespace __gnu_pbds; using namespace __gnu_cxx; template <typename T> using extset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #endif #if 0 #include <boost/multiprecision/cpp_int.hpp> #include <boost/multiprecision/cpp_dec_float.hpp> using Int = boost::multiprecision::cpp_int; using lld = boost::multiprecision::cpp_dec_float_100; #endif using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pld = pair<ld, ld>; template <typename T> using smaller_queue = priority_queue<T, vector<T>, greater<T>>; constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353); constexpr int INF = (int)1e9 + 10; constexpr ll LINF = (ll)4e18; constexpr ld PI = acos(-1.0); constexpr ld EPS = 1e-7; constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0}; #define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i) #define rep(i, n) REP(i, 0, n) #define REPI(i, m, n) for (int i = m; i < (int)(n); ++i) #define repi(i, n) REPI(i, 0, n) #define MP make_pair #define MT make_tuple #define YES(n) cout << ((n) ? "YES" : "NO") << "\n" #define Yes(n) cout << ((n) ? "Yes" : "No") << "\n" #define possible(n) cout << ((n) ? "possible" : "impossible") << "\n" #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n" #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define dbg(x) cerr << #x << ":" << x << "\n"; struct io_init { io_init() { cin.tie(0); ios::sync_with_stdio(false); cout << setprecision(30) << setiosflags(ios::fixed); }; } io_init; template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } inline ll CEIL(ll a, ll b) { return (a + b - 1) / b; } template <typename A, size_t N, typename T> inline void Fill(A (&array)[N], const T &val) { fill((T *)array, (T *)(array + N), val); } template <typename T, typename U> constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept { is >> p.first >> p.second; return is; } template <typename T, typename U> constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept { os << p.first << " " << p.second; return os; } #pragma endregion random_device seed_gen; mt19937_64 engine(seed_gen()); // -------------------------------------- void solve() { int n, k; cin >> n >> k; vector<ll> a(n); rep(i, n) cin >> a[i]; vector<ll> csum(n + 1); csum[0] = 0; rep(i, n) csum[i + 1] = csum[i] + a[i]; // [l,r) の |A_i - A_j| の和 auto f = [&](int i, int l, int r) { ll res = 0; int t = lower_bound(all(a), a[i]) - a.begin(); if (t < l) { res += csum[r] - csum[l]; res -= a[i] * (r - l); } else if (t >= r) { res -= csum[r] - csum[l]; res += a[i] * (r - l); } else { res += a[i] * (t - l); res -= csum[t] - csum[l]; res += csum[r] - csum[t]; res -= a[i] * (r - t); } return res; }; int L = 0; ll ans = LINF; rep(i, n) { while (L + k < n and abs(a[L + k] - a[i]) < abs(a[L] - a[i])) L++; ll t = f(i, L, L + k) - f(i, 0, L) - f(i, L + k, n); chmin(ans, t); } cout << ans << "\n"; } int main() { solve(); }