結果
問題 | No.1896 Arrays and XOR Procedure 2 |
ユーザー | sten_san |
提出日時 | 2022-04-09 11:13:05 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 11 ms / 2,000 ms |
コード長 | 3,546 bytes |
コンパイル時間 | 2,141 ms |
コンパイル使用メモリ | 207,524 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-11-29 08:33:51 |
合計ジャッジ時間 | 5,995 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
6,816 KB |
testcase_01 | AC | 2 ms
6,816 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 7 ms
6,816 KB |
testcase_04 | AC | 11 ms
6,816 KB |
testcase_05 | AC | 11 ms
6,820 KB |
testcase_06 | AC | 7 ms
6,816 KB |
testcase_07 | AC | 11 ms
6,816 KB |
testcase_08 | AC | 8 ms
6,816 KB |
testcase_09 | AC | 9 ms
6,816 KB |
testcase_10 | AC | 10 ms
6,820 KB |
testcase_11 | AC | 8 ms
6,820 KB |
testcase_12 | AC | 8 ms
6,816 KB |
testcase_13 | AC | 7 ms
6,816 KB |
testcase_14 | AC | 7 ms
6,816 KB |
testcase_15 | AC | 7 ms
6,816 KB |
testcase_16 | AC | 7 ms
6,820 KB |
testcase_17 | AC | 8 ms
6,820 KB |
testcase_18 | AC | 5 ms
6,820 KB |
testcase_19 | AC | 3 ms
6,820 KB |
testcase_20 | AC | 6 ms
6,816 KB |
testcase_21 | AC | 3 ms
6,820 KB |
testcase_22 | AC | 6 ms
6,820 KB |
testcase_23 | AC | 7 ms
6,816 KB |
testcase_24 | AC | 7 ms
6,816 KB |
testcase_25 | AC | 7 ms
6,816 KB |
testcase_26 | AC | 7 ms
6,820 KB |
testcase_27 | AC | 7 ms
6,816 KB |
testcase_28 | AC | 7 ms
6,816 KB |
testcase_29 | AC | 7 ms
6,820 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template <typename Element, typename Head, typename ...Args> auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return vector(arg, init); else return vector(arg, vec(init, args...)); } template <typename Element, typename Head, typename ...Args> auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template <typename Container> auto distance(const Container &c, decltype(begin(c)) iter) { return distance(begin(c), iter); } template <typename RIter, typename Compare = less<typename iterator_traits<RIter>::value_type>> auto isort(RIter first, RIter last, Compare comp = Compare()) { vector<int> i(distance(first, last)); iota(begin(i), end(i), 0); sort(begin(i), end(i), [&](auto x, auto y) { return comp(*(first + x), *(first + y)); }); return i; } template <typename, template <typename> typename, typename = void_t<>> struct detect : false_type {}; template <typename T, template <typename> typename Check> struct detect<T, Check, void_t<Check<T>>> : true_type {}; template <typename T, template <typename> typename Check> constexpr inline bool detect_v = detect<T, Check>::value; template <typename T> using has_member_sort = decltype(declval<T>().sort()); template <typename Container, typename Compare = less<typename Container::value_type>> auto sorted(Container c, Compare comp = Compare()) { if constexpr (detect_v<Container, has_member_sort>) { c.sort(comp); return c; } else { sort(begin(c), end(c), comp); return c; } } template <typename Container, typename Compare = equal_to<typename Container::value_type>> auto uniqued(Container c, Compare comp = Compare()) { c.erase(unique(begin(c), end(c), comp), end(c)); return c; } template <typename T, typename Compare = less<T>> T &chmin(T &l, T r, Compare &&f = less<T>()) { return l = min(l, r, f); } template <typename T, typename Compare = less<T>> T &chmax(T &l, T r, Compare &&f = less<T>()) { return l = max(l, r, f); } int main() { int n; cin >> n; auto a = vec<int>(uns, n); auto b = vec<int>(uns, n); for (auto &e : a) cin >> e; for (auto &e : b) cin >> e; auto ans = vec<array<int, 3>>(uns, 0); auto op1 = [&](int p, int q) { ans.push_back({ 1, p + 1, q + 1 }); a[p] ^= b[q]; }; auto op2 = [&](int p, int q) { ans.push_back({ 2, p + 1, q + 1 }); b[q] ^= a[p]; }; auto msb = [](int x) { int c = 0; while (0 < x) { x >>= 1; ++c; } return c - 1; }; int x = 0, y = 0; int s = 0, t = 0; for (int i = 0; i < n; ++i) { auto m = msb(a[i]); if (x <= m) { s = i; x = m; } } for (int i = 0; i < n; ++i) { auto m = msb(b[i]); if (y <= m) { t = i; y = m; } } if (x < y) { op1(s, t); } if (y < x) { op2(s, t); } chmax(x, y); chmax(y, x); for (int i = 0; i < n; ++i) { if (msb(b[i]) != y) { op2(s, i); } } for (int i = 0; i < n; ++i) { if (msb(a[i]) == x) { op1(i, t); } } cout << size(ans) << endl; for (auto [t, p, q] : ans) { cout << t << " " << p << " " << q << endl; } }