結果
問題 | No.2614 Delete ABC |
ユーザー | OnjoujiToki |
提出日時 | 2024-01-26 21:37:31 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 5,440 bytes |
コンパイル時間 | 2,078 ms |
コンパイル使用メモリ | 179,152 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-28 07:52:01 |
合計ジャッジ時間 | 2,593 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
5,376 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
ソースコード
/* 💕💕💕💕💕 💗💗💗💗💗 /)/) ( . .) ( づ💗 💗💗💗 💗💗💗 💗💗💗💗💗💗💗💗💗 💗💗💗💗💗💗💗💗💗 💗💗💗💗💗💗💗 💗💗💗💗💗 💗💗💗 💗 */ #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <cstdint> #include <cstring> #include <ctime> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <random> #include <ranges> #include <set> #include <sstream> #include <stack> #include <unordered_map> #include <unordered_set> #include <vector> template <typename T1, typename T2> std::ostream &operator<<(std::ostream &os, const std::pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template <typename T1, typename T2> std::istream &operator>>(std::istream &is, std::pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T> std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) { for (int i = 0; i < (int)v.size(); i++) { os << v[i] << (i + 1 != (int)v.size() ? " " : ""); } return os; } template <typename T> std::istream &operator>>(std::istream &is, std::vector<T> &v) { for (T &in : v) is >> in; return is; } template <typename T> struct FenwickTree { std::vector<T> bit; int n; FenwickTree(int _n) : n(_n), bit(_n) {} T sum(int r) { T ret = 0; for (; r >= 0; r = (r & (r + 1)) - 1) ret += bit[r]; return ret; } T sum(int l, int r) { assert(l <= r); return sum(r) - sum(l - 1); } // [l, r] void add(int idx, T delta) { for (; idx < n; idx = idx | (idx + 1)) bit[idx] += delta; } void set(int idx, T val) { add(idx, val - sum(idx, idx)); } }; std::pair<std::vector<int>, std::vector<int>> get_prime_factor_with_kinds( int n) { std::vector<int> prime_factors; std::vector<int> cnt; // number of i_th factor for (int i = 2; i <= sqrt(n); i++) { if (n % i == 0) { prime_factors.push_back(i); cnt.push_back(0); while (n % i == 0) n /= i, cnt[(int)prime_factors.size() - 1]++; } } if (n > 1) prime_factors.push_back(n), cnt.push_back(1); assert(prime_factors.size() == cnt.size()); return {prime_factors, cnt}; } namespace internal { template <class E> struct csr { std::vector<int> start; std::vector<E> elist; explicit csr(int n, const std::vector<std::pair<int, E>> &edges) : start(n + 1), elist(edges.size()) { for (auto e : edges) { start[e.first + 1]++; } for (int i = 1; i <= n; i++) { start[i] += start[i - 1]; } auto counter = start; for (auto e : edges) { elist[counter[e.first]++] = e.second; } } }; } // namespace internal struct scc_graph { public: explicit scc_graph(int n) : _n(n) {} int num_vertices() { return _n; } void add_edge(int from, int to) { edges.push_back({from, {to}}); } // @return pair of (# of scc, scc id) std::pair<int, std::vector<int>> scc_ids() { auto g = internal::csr<edge>(_n, edges); int now_ord = 0, group_num = 0; std::vector<int> visited, low(_n), ord(_n, -1), ids(_n); visited.reserve(_n); auto dfs = [&](auto self, int v) -> void { low[v] = ord[v] = now_ord++; visited.push_back(v); for (int i = g.start[v]; i < g.start[v + 1]; i++) { auto to = g.elist[i].to; if (ord[to] == -1) { self(self, to); low[v] = std::min(low[v], low[to]); } else { low[v] = std::min(low[v], ord[to]); } } if (low[v] == ord[v]) { while (true) { int u = visited.back(); visited.pop_back(); ord[u] = _n; ids[u] = group_num; if (u == v) break; } group_num++; } }; for (int i = 0; i < _n; i++) { if (ord[i] == -1) dfs(dfs, i); } for (auto &x : ids) { x = group_num - 1 - x; } return {group_num, ids}; } std::vector<std::vector<int>> scc() { auto ids = scc_ids(); int group_num = ids.first; std::vector<int> counts(group_num); for (auto x : ids.second) counts[x]++; std::vector<std::vector<int>> groups(ids.first); for (int i = 0; i < group_num; i++) { groups[i].reserve(counts[i]); } for (int i = 0; i < _n; i++) { groups[ids.second[i]].push_back(i); } return groups; } private: int _n; struct edge { int to; }; std::vector<std::pair<int, edge>> edges; }; template <typename T> struct DSU { std::vector<T> f, siz; DSU(int n) : f(n), siz(n, 1) { std::iota(f.begin(), f.end(), 0); } T leader(T x) { while (x != f[x]) x = f[x] = f[f[x]]; return x; } bool same(T x, T y) { return leader(x) == leader(y); } bool merge(T x, T y) { x = leader(x); y = leader(y); if (x == y) return false; siz[x] += siz[y]; f[y] = x; return true; } T size(int x) { return siz[leader(x)]; } }; void solve() { int t; std::cin >> t; while (t--) { int n; std::cin >> n; std::string s; for (int i = 0; i < n; i++) { s += "ABC"; } std::swap(s[2], s[3]); std::cout << s << "\n"; } } int main() { int t = 1; std::ios::sync_with_stdio(false); std::cin.tie(nullptr); // std::cin >> t; while (t--) solve(); return 0; }