結果
問題 | No.2890 Chiffon |
ユーザー | 👑 AngrySadEight |
提出日時 | 2024-12-17 04:05:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,227 bytes |
コンパイル時間 | 5,650 ms |
コンパイル使用メモリ | 221,548 KB |
実行使用メモリ | 30,556 KB |
最終ジャッジ日時 | 2024-12-17 04:05:30 |
合計ジャッジ時間 | 10,920 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 9 ms
17,948 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | AC | 2 ms
6,820 KB |
testcase_12 | AC | 3 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,816 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 3 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,820 KB |
testcase_17 | WA | - |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 2 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,820 KB |
testcase_21 | AC | 2 ms
6,816 KB |
testcase_22 | AC | 2 ms
6,820 KB |
testcase_23 | AC | 165 ms
30,556 KB |
testcase_24 | AC | 7 ms
11,848 KB |
testcase_25 | AC | 6 ms
9,996 KB |
testcase_26 | AC | 8 ms
16,596 KB |
testcase_27 | AC | 8 ms
17,352 KB |
testcase_28 | AC | 3 ms
6,816 KB |
testcase_29 | AC | 3 ms
6,820 KB |
testcase_30 | AC | 6 ms
10,768 KB |
testcase_31 | AC | 8 ms
18,444 KB |
testcase_32 | AC | 7 ms
16,568 KB |
testcase_33 | AC | 3 ms
6,816 KB |
testcase_34 | AC | 73 ms
23,620 KB |
testcase_35 | AC | 73 ms
23,700 KB |
testcase_36 | AC | 73 ms
23,636 KB |
testcase_37 | AC | 71 ms
23,612 KB |
testcase_38 | AC | 72 ms
23,596 KB |
testcase_39 | AC | 72 ms
23,532 KB |
testcase_40 | AC | 73 ms
23,608 KB |
testcase_41 | AC | 73 ms
23,624 KB |
testcase_42 | AC | 73 ms
23,632 KB |
testcase_43 | AC | 73 ms
23,596 KB |
testcase_44 | AC | 75 ms
23,668 KB |
testcase_45 | AC | 74 ms
23,828 KB |
testcase_46 | AC | 75 ms
23,600 KB |
testcase_47 | AC | 75 ms
23,628 KB |
testcase_48 | AC | 75 ms
23,616 KB |
testcase_49 | AC | 75 ms
23,668 KB |
testcase_50 | AC | 73 ms
23,560 KB |
testcase_51 | AC | 74 ms
23,644 KB |
testcase_52 | AC | 73 ms
23,496 KB |
testcase_53 | AC | 76 ms
23,608 KB |
testcase_54 | AC | 14 ms
18,940 KB |
testcase_55 | AC | 51 ms
21,996 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> // using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } int main() { ll N, K; cin >> N >> K; vector<ll> A(K); for (ll i = 0; i < K; i++) { cin >> A[i]; } vector<ll> B(2 * K + 1); for (ll i = 0; i < K; i++) { B[i] = A[i]; B[i + K] = A[i] + 2 * N; } B[2 * K] = A[0] + 4 * N; vector<ll> next(4 * N + 1, -1); for (ll i = 0; i < B[0]; i++) { next[i] = B[0]; } for (ll i = 0; i <= 2 * K - 1; i++) { for (ll j = B[i]; j < min(4 * N + 1, B[i + 1]); j++) { next[j] = B[i + 1]; } } // debug(next); ll min_val = 2 * N + 1; ll min_idx = -1; for (ll i = 0; i < K; i++) { if (min_val > B[i + 1] - B[i]) { min_val = B[i + 1] - B[i]; min_idx = i; } } ll ok = 0; ll ng = 2 * N; while (ng - ok > 1) { ll mid = (ng + ok) / 2; ll mid2 = mid * 2; bool pos = false; for (ll i = B[min_idx] + 1; i < B[min_idx + 1]; i++) { ll now = i; bool possub = true; for (ll j = 0; j < K; j++) { if (B[min_idx + j + 2] - now < mid2) { possub = false; break; } if (B[min_idx + j + 1] - now > mid2) { now = B[min_idx + j + 1] + 1; } else { now += mid2; } // debug_out(i, j, now); } if (possub) { pos = true; } } if (pos) { ok = mid; } else { ng = mid; } } cout << ok * 2 << endl; }