結果
問題 | No.3 ビットすごろく |
ユーザー | nn1k_ |
提出日時 | 2019-07-23 14:03:38 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 4 ms / 5,000 ms |
コード長 | 3,323 bytes |
コンパイル時間 | 1,943 ms |
コンパイル使用メモリ | 180,000 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-01 09:26:14 |
合計ジャッジ時間 | 2,709 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 4 ms
6,940 KB |
testcase_10 | AC | 3 ms
6,944 KB |
testcase_11 | AC | 3 ms
6,940 KB |
testcase_12 | AC | 4 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 4 ms
6,944 KB |
testcase_16 | AC | 4 ms
6,940 KB |
testcase_17 | AC | 4 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 4 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 3 ms
6,940 KB |
testcase_23 | AC | 4 ms
6,940 KB |
testcase_24 | AC | 4 ms
6,944 KB |
testcase_25 | AC | 4 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 KB |
testcase_28 | AC | 4 ms
6,940 KB |
testcase_29 | AC | 3 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 2 ms
6,944 KB |
testcase_32 | AC | 3 ms
6,944 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; using int64 = long long; template<typename T> using p_que = priority_queue<T>; template<typename T> using rp_que = priority_queue<T, vector<T>, greater<T>>; constexpr int INF = (1 << 30) - 1; constexpr int64 INF64 = (1ll << 60) - 1; #define rep(i, N) for(int i=0;i<(int)(N);++i) #define fs first #define sc second #define e_b emplace_back #define m_p make_pair #define all(x) x.begin(),x.end() #define rall(x) x.rbegin(),x.rend() template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) { return os << "P(" << p.first << ", " << p.second << ")"; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "["; for (auto& e : v) os << e << ", "; return os << "]"; } template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& m) { os << "{" << endl; for (auto& e : m) os << "(" << e.first << ", " << e.second << ")" << endl; return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const set<T>& s) { os << "{" << endl; for (auto& e : s) os << ", " << e << endl; return os << "}"; } template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); } template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); } int64 gcd(int64 x, int64 y) { if (x == 0 || y == 0) return 0; int64 r; while ((r = y % x) != 0) { y = x; x = r; } return x; } int64 lcm(int64 x, int64 y) { if (x == 0 || y == 0) return 0; return x / gcd(x, y) * y; } int dx[] = { -1, 0, 1, 0 }; int dy[] = { 0, 1, 0, -1 }; void Main(); signed main() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(30); Main(); } /*----------------------------Insert from here!----------------------------*/ template <typename T> struct Edge { int from, to; T cost; Edge() : from(0), to(0), cost(0) {} Edge(int to, T cost) : from(-1), to(to), cost(cost) {} Edge(int from, int to, T cost) : from(from), to(to), cost(cost) {} Edge& operator=(const int& x) { to = x; return *this; } }; template <typename T> using Edges = vector<Edge<T>>; template <typename T> using wGraph = vector<Edges<T>>; using uwGraph = vector<vector<int>>; template<typename T> using Matrix = vector<vector<T>>; template <typename T> vector<T> dijkstra(wGraph<T>& g, int s) { const auto INF = numeric_limits<T>::max(); vector<T> dist(g.size(), INF); using P = pair<T, int>; priority_queue<P, vector<P>, greater<P>> que; dist[s] = 0; que.emplace(dist[s], s); while (!que.empty()) { T cost; int idx; tie(cost, idx) = que.top(); que.pop(); if (dist[idx] < cost) continue; for (auto& e : g[idx]) { T next_cost = cost + e.cost;; if (dist[e.to] <= next_cost) continue; dist[e.to] = next_cost; que.emplace(dist[e.to], e.to); } } return dist; } /*----------------------------Insert above here----------------------------*/ void Main() { int N; cin >> N; vector<int> v(N); wGraph<int> G(N); rep(i, N) { int t = i + 1; while (t > 0) { if (t % 2 == 1) v[i]++; t /= 2; } if (i + v[i] < N) G[i].emplace_back(i + v[i], 1); if (i - v[i] >= 0) G[i].emplace_back(i - v[i], 1); } auto d = dijkstra(G, 0); cout << (d[N-1] == INT_MAX ? -1 : d[N-1] + 1) << endl; }