結果
問題 | No.2046 Ans Mod? Mod Ans! |
ユーザー | fuppy_kyopro |
提出日時 | 2022-08-19 22:27:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 800 ms / 4,000 ms |
コード長 | 6,252 bytes |
コンパイル時間 | 2,916 ms |
コンパイル使用メモリ | 219,424 KB |
実行使用メモリ | 11,648 KB |
最終ジャッジ日時 | 2024-12-16 08:23:22 |
合計ジャッジ時間 | 9,846 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 27 ms
10,880 KB |
testcase_01 | AC | 46 ms
10,880 KB |
testcase_02 | AC | 109 ms
11,000 KB |
testcase_03 | AC | 386 ms
10,880 KB |
testcase_04 | AC | 266 ms
10,880 KB |
testcase_05 | AC | 375 ms
10,880 KB |
testcase_06 | AC | 278 ms
11,008 KB |
testcase_07 | AC | 350 ms
10,988 KB |
testcase_08 | AC | 24 ms
10,880 KB |
testcase_09 | AC | 24 ms
10,880 KB |
testcase_10 | AC | 26 ms
10,752 KB |
testcase_11 | AC | 34 ms
10,920 KB |
testcase_12 | AC | 33 ms
11,008 KB |
testcase_13 | AC | 304 ms
11,392 KB |
testcase_14 | AC | 245 ms
11,152 KB |
testcase_15 | AC | 426 ms
11,496 KB |
testcase_16 | AC | 459 ms
11,392 KB |
testcase_17 | AC | 371 ms
11,264 KB |
testcase_18 | AC | 743 ms
11,392 KB |
testcase_19 | AC | 351 ms
11,264 KB |
testcase_20 | AC | 800 ms
11,648 KB |
ソースコード
/* #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //*/ #include <bits/stdc++.h> // #include <atcoder/all> // #include <atcoder/segtree> using namespace std; // using namespace atcoder; // #define _GLIBCXX_DEBUG #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \ cerr << " " << v[iiiiiiii]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int iv = 0; iv < v.size(); iv++) { \ for (int jv = 0; jv < v[iv].size(); jv++) { \ cerr << v[iv][jv] << " "; \ } \ cerr << endl; \ } typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() void YES(bool t = true) { cout << (t ? "YES" : "NO") << endl; } void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; } void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; } void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; } void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; } void no(bool t = true) { cout << (t ? "no" : "yes") << endl; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 0, -1, 1}, dy = {-1, 1, 0, 0}; vi dx2 = {1, 1, 0, -1, -1, -1, 0, 1}, dy2 = {0, 1, 1, 1, 0, -1, -1, -1}; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(25); } } setup_io; // const ll MOD = 1000000007; const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' template <typename T> class SegmentTree { public: using F = function<T(T &, T &)>; int n; vector<T> dat; T e; F query_func; F update_func; SegmentTree(vector<T> a, F query_func, F update_func, T e) : n(a.size()), query_func(query_func), update_func(update_func), e(e) { if (n == 0) { a.push_back(e); n++; } dat.resize(4 * n); init(0, 0, n, a); } void init(int k, int l, int r, vector<T> &a) { if (r - l == 1) { dat[k] = a[l]; } else { int lch = 2 * k + 1, rch = 2 * k + 2; init(lch, l, (l + r) / 2, a); init(rch, (l + r) / 2, r, a); dat[k] = query_func(dat[lch], dat[rch]); } } void update(int k, T a, int v, int l, int r) { if (r - l == 1) { dat[v] = update_func(dat[v], a); } else { if (k < (l + r) / 2) update(k, a, 2 * v + 1, l, (l + r) / 2); else { update(k, a, 2 * v + 2, (l + r) / 2, r); } dat[v] = query_func(dat[v * 2 + 1], dat[v * 2 + 2]); } } void update(int k, T a) { update(k, a, 0, 0, n); } T query(int a, int b, int k, int l, int r) { if (r <= a || b <= l) { return e; } if (a <= l && r <= b) { return dat[k]; } else { T ul = query(a, b, k * 2 + 1, l, (l + r) / 2); T ur = query(a, b, k * 2 + 2, (l + r) / 2, r); return query_func(ul, ur); } } T query(int a, int b) { return query(a, b, 0, 0, n); } int find(int a, int b, int k, int l, int r, int x) { if (dat[k] < x || r <= a || b <= l) return -1; if (l + 1 == r) { if (dat[k] >= x) return l; else return -1; } int rv = find(a, b, 2 * k + 2, (l + r) / 2, r, x); if (rv != -1) return rv; return find(a, b, 2 * k + 1, l, (l + r) / 2, x); } }; ll f(ll a, ll b) { return a + b; } signed main() { int n; cin >> n; vi a(n); rep(i, n) { cin >> a[i]; } sort(all(a)); ll ans = 0; rep(i, n) { ans += (ll)a[i] * (n - 1 - i); } // DEBUG(ans); reverse(all(a)); ll s = 0; constexpr int M = 200011; SegmentTree<ll> seg(vl(M), f, f, 0); for (int x : a) { // DEBUG(x); ll sub = 0; for (int re = 1; x * re < M; re++) { int l = x * re; int r = min(x * (re + 1), M); sub += (ll)re * x * seg.query(l, r); } // DEBUG(sub); ans -= s - sub; s += x; seg.update(x, 1); } cout << ans << endl; }