結果
問題 | No.1013 〇マス進む |
ユーザー | iiljj |
提出日時 | 2020-03-21 14:50:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 101 ms / 2,000 ms |
コード長 | 6,744 bytes |
コンパイル時間 | 2,101 ms |
コンパイル使用メモリ | 208,660 KB |
実行使用メモリ | 51,924 KB |
最終ジャッジ日時 | 2024-06-02 03:46:52 |
合計ジャッジ時間 | 8,032 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 1 ms
5,376 KB |
testcase_13 | AC | 3 ms
5,376 KB |
testcase_14 | AC | 16 ms
11,532 KB |
testcase_15 | AC | 25 ms
15,516 KB |
testcase_16 | AC | 23 ms
15,432 KB |
testcase_17 | AC | 13 ms
9,776 KB |
testcase_18 | AC | 18 ms
12,056 KB |
testcase_19 | AC | 9 ms
7,132 KB |
testcase_20 | AC | 30 ms
15,132 KB |
testcase_21 | AC | 13 ms
9,800 KB |
testcase_22 | AC | 17 ms
11,680 KB |
testcase_23 | AC | 6 ms
5,888 KB |
testcase_24 | AC | 32 ms
20,068 KB |
testcase_25 | AC | 31 ms
18,368 KB |
testcase_26 | AC | 7 ms
6,144 KB |
testcase_27 | AC | 11 ms
8,952 KB |
testcase_28 | AC | 5 ms
5,376 KB |
testcase_29 | AC | 28 ms
16,504 KB |
testcase_30 | AC | 11 ms
8,756 KB |
testcase_31 | AC | 20 ms
14,000 KB |
testcase_32 | AC | 14 ms
11,096 KB |
testcase_33 | AC | 30 ms
25,596 KB |
testcase_34 | AC | 50 ms
35,188 KB |
testcase_35 | AC | 60 ms
35,628 KB |
testcase_36 | AC | 5 ms
5,504 KB |
testcase_37 | AC | 4 ms
5,632 KB |
testcase_38 | AC | 58 ms
39,808 KB |
testcase_39 | AC | 19 ms
14,976 KB |
testcase_40 | AC | 69 ms
37,336 KB |
testcase_41 | AC | 14 ms
11,776 KB |
testcase_42 | AC | 29 ms
23,260 KB |
testcase_43 | AC | 19 ms
15,104 KB |
testcase_44 | AC | 32 ms
25,848 KB |
testcase_45 | AC | 28 ms
22,376 KB |
testcase_46 | AC | 14 ms
12,800 KB |
testcase_47 | AC | 25 ms
21,200 KB |
testcase_48 | AC | 32 ms
26,000 KB |
testcase_49 | AC | 65 ms
34,944 KB |
testcase_50 | AC | 46 ms
33,108 KB |
testcase_51 | AC | 41 ms
27,432 KB |
testcase_52 | AC | 8 ms
8,448 KB |
testcase_53 | AC | 12 ms
10,880 KB |
testcase_54 | AC | 45 ms
36,428 KB |
testcase_55 | AC | 16 ms
13,056 KB |
testcase_56 | AC | 66 ms
45,372 KB |
testcase_57 | AC | 62 ms
31,896 KB |
testcase_58 | AC | 101 ms
50,372 KB |
testcase_59 | AC | 79 ms
51,924 KB |
testcase_60 | AC | 82 ms
51,924 KB |
testcase_61 | AC | 28 ms
15,716 KB |
testcase_62 | AC | 17 ms
6,404 KB |
testcase_63 | AC | 2 ms
5,376 KB |
testcase_64 | AC | 2 ms
5,376 KB |
ソースコード
/* #region Head */ #include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; using pll = pair<ll, ll>; template <class T> using vc = vector<T>; template <class T> using vvc = vc<vc<T>>; using vll = vc<ll>; using vvll = vvc<ll>; using vld = vc<ld>; using vvld = vvc<ld>; using vs = vc<string>; using vvs = vvc<string>; template <class T, class U> using um = unordered_map<T, U>; template <class T> using pq = priority_queue<T>; template <class T> using pqa = priority_queue<T, vc<T>, greater<T>>; #define REP(i, m, n) for (ll i = (m), i##_len = (ll)(n); i < i##_len; ++(i)) #define REPM(i, m, n) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; ++(i)) #define REPR(i, m, n) for (ll i = (m), i##_min = (ll)(n); i >= i##_min; --(i)) #define REPD(i, m, n, d) for (ll i = (m), i##_len = (ll)(n); i < i##_len; i += (d)) #define REPMD(i, m, n, d) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; i += (d)) #define REPI(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) #define ALL(x) begin(x), end(x) #define SIZE(x) ((ll)(x).size()) #define PERM(c) \ sort(ALL(c)); \ for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c))) #define UNIQ(v) v.erase(unique(ALL(v)), v.end()); #define endl '\n' #define sqrt sqrtl #define floor floorl #define log2 log2l constexpr ll INF = 1'010'000'000'000'000'017LL; constexpr ll MOD = 1'000'000'007LL; // 1e9 + 7 constexpr ld EPS = 1e-12; constexpr ld PI = 3.14159265358979323846; // vector 入力 template <typename T> istream &operator>>(istream &is, vc<T> &vec) { for (T &x : vec) is >> x; return is; } // vector 出力 (for dump) template <typename T> ostream &operator<<(ostream &os, vc<T> &vec) { ll len = SIZE(vec); os << "{"; for (int i = 0; i < len; i++) os << vec[i] << (i == len - 1 ? "" : ", "); os << "}"; return os; } // vector 出力 (inline) template <typename T> ostream &operator>>(ostream &os, vc<T> &vec) { ll len = SIZE(vec); for (int i = 0; i < len; i++) os << vec[i] << (i == len - 1 ? "\n" : " "); return os; } // pair 入力 template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var) { is >> pair_var.first >> pair_var.second; return is; } // pair 出力 template <typename T, typename U> ostream &operator<<(ostream &os, pair<T, U> &pair_var) { os << "(" << pair_var.first << ", " << pair_var.second << ")"; return os; } // map 出力 template <typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) { os << "{"; REPI(itr, map_var) { os << *itr; itr++; if (itr != map_var.end()) os << ", "; itr--; } os << "}"; return os; } // um 出力 template <typename T, typename U> ostream &operator<<(ostream &os, um<T, U> &map_var) { os << "{"; REPI(itr, map_var) { os << *itr; auto itrcp = itr; itrcp++; if (itrcp != map_var.end()) os << ", "; } os << "}"; return os; } // set 出力 template <typename T> ostream &operator<<(ostream &os, set<T> &set_var) { os << "{"; REPI(itr, set_var) { os << *itr; itr++; if (itr != set_var.end()) os << ", "; itr--; } os << "}"; return os; } // dump #define DUMPOUT cerr void dump_func() { DUMPOUT << endl; } template <class Head, class... Tail> void dump_func(Head &&head, Tail &&... tail) { DUMPOUT << head; if (sizeof...(Tail) > 0) { DUMPOUT << ", "; } dump_func(move(tail)...); } // chmax (更新「される」かもしれない値が前) template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) { if (comp(xmax, x)) { xmax = x; return true; } return false; } // chmin (更新「される」かもしれない値が前) template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) { if (comp(x, xmin)) { xmin = x; return true; } return false; } // ローカル用 #define DEBUG_ #ifdef DEBUG_ #define DEB #define dump(...) \ DUMPOUT << " " << string(#__VA_ARGS__) << ": " \ << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" \ << endl \ << " ", \ dump_func(__VA_ARGS__) #else #define DEB if (false) #define dump(...) #endif struct AtCoderInitialize { static constexpr int IOS_PREC = 15; static constexpr bool AUTOFLUSH = false; AtCoderInitialize() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); cout << fixed << setprecision(IOS_PREC); if (AUTOFLUSH) cout << unitbuf; } } ATCODER_INITIALIZE; string yes = "Yes", no = "No"; // string yes = "YES", no = "NO"; /* #endregion */ /** Problem */ void solve() { ll n, k; cin >> n >> k; vll p(n); cin >> p; // REP(i, 0, n) // { // p[i]--; // } ll log_n = (ll)floor(log2(k)); vvll next(log_n + 1, vll(n, -1)); vvll next_loop(log_n + 1, vll(n, 0)); // はじめに戻る回数 // i -> i+T[i] = (i+p[i])%n REP(i, 0, n) { next[0][i] = (i + p[i]) % n; if (i + p[i] >= n) next_loop[0][i] = 1; } REP(e, 0, log_n) REP(i, 0, n) { if (next[e][i] == -1) next[e + 1][i] = -1; // 2^e 個次の要素がない -> 2^(e+1) 個次の要素もない else { next[e + 1][i] = next[e][next[e][i]]; // 「2^e 個次の要素」の 2^e 個次の要素 = 2^(e+1) 個次の要素 next_loop[e + 1][i] = next_loop[e][i] + next_loop[e][next[e][i]]; } } // dump(next); // dump(next_loop); // 本計算 REP(i, 0, n) { ll cur = i; ll l = 0; REPR(e, log_n, 0) { if (cur == -1) break; // cur が既に存在しない要素を指している -> それ以降で存在する要素を指すことはない if ((k >> e) & 1) { l += next_loop[e][cur]; cur = next[e][cur]; // k を二進展開した際、e 番目のビットが立っていたら、cur の位置を 2^e だけ次にずらす } } cout << (n * l + cur + 1) << endl; } } /** * エントリポイント. * @return 0. */ int main() { solve(); return 0; }