結果
問題 | No.1675 Strange Minimum Query |
ユーザー | masutech16 |
提出日時 | 2021-09-10 21:48:42 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 8,579 bytes |
コンパイル時間 | 2,469 ms |
コンパイル使用メモリ | 212,424 KB |
実行使用メモリ | 11,840 KB |
最終ジャッジ日時 | 2024-06-11 23:25:53 |
合計ジャッジ時間 | 11,078 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
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 | 2 ms
5,376 KB |
testcase_03 | AC | 144 ms
8,320 KB |
testcase_04 | AC | 133 ms
8,628 KB |
testcase_05 | AC | 12 ms
5,504 KB |
testcase_06 | AC | 173 ms
8,960 KB |
testcase_07 | AC | 191 ms
10,300 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 151 ms
11,840 KB |
testcase_14 | AC | 200 ms
11,832 KB |
testcase_15 | AC | 180 ms
11,708 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 37 ms
5,376 KB |
testcase_18 | AC | 53 ms
5,376 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 205 ms
10,496 KB |
testcase_23 | AC | 156 ms
7,792 KB |
testcase_24 | AC | 141 ms
7,680 KB |
testcase_25 | AC | 102 ms
6,384 KB |
testcase_26 | WA | - |
testcase_27 | AC | 139 ms
8,960 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 204 ms
9,656 KB |
testcase_32 | AC | 277 ms
11,708 KB |
testcase_33 | AC | 271 ms
11,836 KB |
testcase_34 | AC | 277 ms
11,836 KB |
testcase_35 | AC | 266 ms
11,704 KB |
testcase_36 | AC | 271 ms
11,708 KB |
ソースコード
#line 1 "/workspaces/compro/lib/atcoder/lazysegtree.hpp" #line 1 "/workspaces/compro/lib/atcoder/internal_bit.hpp" #ifdef _MSC_VER #include <intrin.h> #endif namespace atcoder { namespace internal { // @param n `0 <= n` // @return minimum non-negative `x` s.t. `n <= 2**x` int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } // @param n `1 <= n` // @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0` int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } // namespace internal } // namespace atcoder #line 5 "/workspaces/compro/lib/atcoder/lazysegtree.hpp" #include <algorithm> #include <cassert> #include <iostream> #include <vector> namespace atcoder { template <class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F), F (*id)()> struct lazy_segtree { public: lazy_segtree() : lazy_segtree(0) {} lazy_segtree(int n) : lazy_segtree(std::vector<S>(n, e())) {} lazy_segtree(const std::vector<S> &v) : _n(int(v.size())) { log = internal::ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); lz = std::vector<F>(size, id()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return d[p]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); if (l == r) return e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push(r >> i); } S sml = e(), smr = e(); while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } void apply(int p, F f) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = mapping(f, d[p]); for (int i = 1; i <= log; i++) update(p >> i); } void apply(int l, int r, F f) { assert(0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update(l >> i); if (((r >> i) << i) != r) update((r - 1) >> i); } } template <bool (*g)(S)> int max_right(int l) { return max_right(l, [](S x) { return g(x); }); } template <class G> int max_right(int l, G g) { assert(0 <= l && l <= _n); assert(g(e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!g(op(sm, d[l]))) { while (l < size) { push(l); l = (2 * l); if (g(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*g)(S)> int min_left(int r) { return min_left(r, [](S x) { return g(x); }); } template <class G> int min_left(int r, G g) { assert(0 <= r && r <= _n); assert(g(e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!g(op(d[r], sm))) { while (r < size) { push(r); r = (2 * r + 1); if (g(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; std::vector<F> lz; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } void all_apply(int k, F f) { d[k] = mapping(f, d[k]); if (k < size) lz[k] = composition(f, lz[k]); } void push(int k) { all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } }; } // namespace atcoder #line 1 "/workspaces/compro/lib/template.hpp" #line 3 "/workspaces/compro/lib/Assert/Assert.hpp" #include <string> #ifndef MY_ASSERT #define MY_ASSERT #ifdef LOCAL #define ASSERT_MSG(expr, msg) \ do { \ if (!(expr)) { \ std::cerr << msg << std::endl; \ assert(expr); \ } \ } while (0) #define FAIL ASSERT_MSG(false, "到達しない想定の場所に到達しました") #else #define ASSERT_MSG(...) (void)0 #define FAIL (void)0 #endif #endif #line 3 "/workspaces/compro/lib/io/vector.hpp" #ifndef IO_VECTOR #define IO_VECTOR template <class T> std::ostream &operator<<(std::ostream &out, const std::vector<T> &v) { int size = v.size(); for (int i = 0; i < size; i++) { std::cout << v[i]; if (i != size - 1) std::cout << " "; } return out; } template <class T> std::istream &operator>>(std::istream &in, std::vector<T> &v) { for (auto &el : v) { std::cin >> el; } return in; } #endif #line 5 "/workspaces/compro/lib/template.hpp" #include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < (n); i++) #define FOR(i, m, n) for (int i = (m); i < (n); i++) #define RREP(i, n) for (int i = (n - 1); i >= 0; i--) #define RFOR(i, m, n) for (int i = (n - 1); i >= (m); i--) #define ALL(v) std::begin(v), std::end(v) #define coutd(n) cout << fixed << setprecision(n) #define ll long long int #define vl vector<ll> #define vi vector<int> #define MM << " " << using namespace std; struct P { ll x; ll y; }; template <class T> void chmin(T &a, T b) { if (a > b) a = b; } template <class T> void chmax(T &a, T b) { if (a < b) a = b; } // 重複を消す。計算量はO(NlogN) template <class T> void unique(std::vector<T> &v) { std::sort(v.begin(), v.end()); v.erase(std::unique(v.begin(), v.end()), v.end()); } #line 3 "main.cpp" using S = int; // swapping flag using F = int; S op(S l, S r) { return min(l, r); } S e() { return 1e9 + 1; } S mapping(F l, S r) { if (l == -1) return r; return l; } F composition(F l, F r) { return max(l, r); } F id() { return -1; } void solve(long long N, int Q, const std::vector<long long> &l, const std::vector<long long> &r, const std::vector<long long> &B) { atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(N); vi idx(Q, 0); iota(ALL(idx), 0); sort(ALL(idx), [&](const int lhs, const int rhs) { return B[lhs] < B[rhs]; }); REP(_i, Q) { int i = idx[_i]; seg.apply(l[i], r[i], B[i]); } REP(i, Q) { if (seg.prod(l[i], r[i]) != B[i]) { cout << -1 << endl; return; } } REP(i, N) { cout << seg.get(i) << (i == N - 1 ? '\n' : ' '); } } // generated by oj-template v4.8.1 (https://github.com/online-judge-tools/template-generator) int main() { ios::sync_with_stdio(false); cin.tie(nullptr); long long N; int Q; std::cin >> N >> Q; std::vector<long long> l(Q), r(Q), B(Q); for (int i = 0; i < Q; ++i) { std::cin >> l[i] >> r[i] >> B[i]; l[i]--; } solve(N, Q, l, r, B); return 0; }