結果
問題 | No.1425 Yet Another Cyclic Shifts Sorting |
ユーザー | kaikey |
提出日時 | 2021-03-12 22:12:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,758 bytes |
コンパイル時間 | 2,463 ms |
コンパイル使用メモリ | 221,176 KB |
実行使用メモリ | 36,096 KB |
最終ジャッジ日時 | 2024-10-14 12:42:06 |
合計ジャッジ時間 | 8,478 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | WA | - |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | WA | - |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 130 ms
29,056 KB |
testcase_23 | AC | 34 ms
9,728 KB |
testcase_24 | AC | 27 ms
8,448 KB |
testcase_25 | AC | 141 ms
30,208 KB |
testcase_26 | AC | 167 ms
35,456 KB |
testcase_27 | AC | 146 ms
31,488 KB |
testcase_28 | AC | 176 ms
35,968 KB |
testcase_29 | AC | 50 ms
12,928 KB |
testcase_30 | AC | 36 ms
10,112 KB |
testcase_31 | AC | 177 ms
35,456 KB |
testcase_32 | AC | 49 ms
12,416 KB |
testcase_33 | AC | 7 ms
5,248 KB |
testcase_34 | AC | 57 ms
14,080 KB |
testcase_35 | AC | 161 ms
33,280 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
ソースコード
#include <bits/stdc++.h> #include <random> #include <chrono> using namespace std; typedef unsigned long long _ulong; typedef long long int lint; typedef long double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld; #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((lint)(x).size()) #define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i) #define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) #define endk '\n' #define fi first #define se second struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; template<class T> auto add = [](T a, T b) -> T { return a + b; }; template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); }; template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); }; template<class T> using V = vector<T>; using Vl = V<lint>; using VVl = V<Vl>; template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) { for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : ""); return os; } template< typename T >istream& operator>>(istream& is, vector< T >& v) { for (T& in : v) is >> in; return is; } 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 (b < a) { a = b; return 1; } return 0; } lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); } lint ceil(lint a, lint b) { return (a + b - 1) / b; } lint digit(lint a) { return (lint)log10(a); } lint e_dist(plint a, plint b) { return abs(a.fi - b.fi) * abs(a.fi - b.fi) + abs(a.se - b.se) * abs(a.se - b.se); } lint m_dist(plint a, plint b) { return abs(a.fi - b.fi) + abs(a.se - b.se); } bool check_overflow(lint a, lint b, lint limit) { return a > limit / b; } // a * b > c => true void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); } const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 5e12; lint dx[8] = { 1, 0, -1, 0, 1, -1, 1, -1 }, dy[8] = { 0, 1, 0, -1, -1, -1, 1, 1 }; bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; } struct Edge { lint from, to; lint cost; Edge() { } Edge(lint u, lint v, lint c) { cost = c; from = u; to = v; } bool operator<(const Edge& e) const { return cost < e.cost; } }; struct WeightedEdge { lint to; lint cost; WeightedEdge(lint v, lint c = 1) { to = v; cost = c; } bool operator<(const WeightedEdge& e) const { return cost < e.cost; } }; using WeightedGraph = V<V<WeightedEdge>>; typedef pair<plint, lint> tlint; typedef pair<plint, plint> qlint; typedef pair<char, lint> valchar; struct BinaryIndexedTree { int n; int b; vector<lint> bit; BinaryIndexedTree(int n_) : n(n_ + 1), bit(n, 0) {} void add(int i, lint x) { for (int idx = i; idx < n; idx += (idx & -idx)) { bit[idx] += x; } } lint sum(int i) { lint s = 0; for (int idx = i; idx > 0; idx -= (idx & -idx)) { s += bit[idx]; } return s; } int lower_bound(lint w) { if (w <= 0) { return 0; } else { int x = 0, r = 1; while (r < n) r = r << 1; for (int len = r; len > 0; len = len >> 1) { if (x + len < n && bit[x + len] < w) { w -= bit[x + len]; x += len; } } return x; } } void show() { for (int i = 0; i < n - 1; i++) { cout << sum(i) - sum(i - 1) << " "; } cout << endk; } }; struct ExtendBinaryIndexedTree { public: ExtendBinaryIndexedTree(int _n) { init(_n); } //半開区間[l, r) void add(int l, int r, lint x) { add_sub(0, l, -x * (l - 1)); add_sub(0, r, x * (r - 1)); add_sub(1, l, x); add_sub(1, r, -x); } //区間[0, i) lint sum(int i) { return sum_sub(0, i) + sum_sub(1, i) * i; } void show() { for (int i = 0; i < n - 1; i++) { cout << sum(i + 1) - sum(i) << " "; } cout << endk; } private: int n; vector<lint> bit[2]; void init(int _n) { n = _n + 1; bit[0].assign(n, 0); bit[1].assign(n, 0); } void add_sub(int p, int i, lint x) { for (int idx = i; idx < n; idx += (idx & -idx)) { bit[p][idx] += x; } } lint sum_sub(int p, int i) { lint s = 0; for (int idx = i; idx > 0; idx -= (idx & -idx)) { s += bit[p][idx]; } return s; } }; lint N; int main() { cin >> N; Vl arr(N); cin >> arr; Vl _arr = arr; sort(ALL(_arr)); map<lint, set<lint>> pos; reverse(ALL(arr)); REP(i, N) { pos[arr[i]].insert(i); } BinaryIndexedTree tree(N); REP(i, N) tree.add(i + 1, 1); lint prv = 0, ans = 0; IREP(i, N) { auto itr = pos[_arr[i]].lower_bound(prv); if (itr == pos[_arr[i]].end()) { itr = pos[_arr[i]].lower_bound(0); if (tree.sum(N) - tree.sum(prv) + tree.sum(*itr + 1) > 1) ans++; tree.add(*itr + 1, -1); } else { if (tree.sum(*itr + 1) - tree.sum(prv) > 1) ans++; tree.add(*itr + 1, -1); } prv = *itr; pos[_arr[i]].erase(itr); } cout << ans << endk; }