結果
問題 | No.1675 Strange Minimum Query |
ユーザー | ruthen |
提出日時 | 2021-09-10 22:55:41 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,539 bytes |
コンパイル時間 | 2,041 ms |
コンパイル使用メモリ | 182,164 KB |
実行使用メモリ | 17,140 KB |
最終ジャッジ日時 | 2024-06-12 02:47:41 |
合計ジャッジ時間 | 11,448 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 166 ms
6,944 KB |
testcase_04 | AC | 163 ms
9,776 KB |
testcase_05 | AC | 53 ms
9,912 KB |
testcase_06 | AC | 196 ms
7,168 KB |
testcase_07 | AC | 213 ms
9,716 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 270 ms
17,012 KB |
testcase_14 | AC | 303 ms
17,008 KB |
testcase_15 | AC | 274 ms
17,008 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 50 ms
6,944 KB |
testcase_18 | AC | 66 ms
6,972 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | AC | 242 ms
15,968 KB |
testcase_23 | AC | 181 ms
8,256 KB |
testcase_24 | AC | 166 ms
11,076 KB |
testcase_25 | AC | 109 ms
7,496 KB |
testcase_26 | WA | - |
testcase_27 | AC | 183 ms
15,552 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 210 ms
9,848 KB |
testcase_32 | AC | 297 ms
17,016 KB |
testcase_33 | AC | 296 ms
17,008 KB |
testcase_34 | AC | 296 ms
17,012 KB |
testcase_35 | AC | 318 ms
17,008 KB |
testcase_36 | AC | 309 ms
17,140 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; // clang-format off #include <algorithm> #include <cassert> #include <vector> #ifdef _MSC_VER #include <intrin.h> #endif namespace atcoder { namespace internal { int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } constexpr int bsf_constexpr(unsigned int n) { int x = 0; while (!(n & (1 << x))) x++; return x; } 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 namespace atcoder { template <class S, S (*op)(S, S), S (*e)()> struct segtree { public: segtree() : segtree(0) {} explicit segtree(int n) : segtree(std::vector<S>(n, e())) {} explicit 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()); 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; d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) const { assert(0 <= p && p < _n); return d[p + size]; } S prod(int l, int r) const { assert(0 <= l && l <= r && r <= _n); S sml = e(), smr = e(); l += size; r += size; 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() const { return d[1]; } template <bool (*f)(S)> int max_right(int l) const { return max_right(l, [](S x) { return f(x); }); } template <class F> int max_right(int l, F f) const { assert(0 <= l && l <= _n); assert(f(e())); if (l == _n) return _n; l += size; S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!f(op(sm, d[l]))) { while (l < size) { l = (2 * l); if (f(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 (*f)(S)> int min_left(int r) const { return min_left(r, [](S x) { return f(x); }); } template <class F> int min_left(int r, F f) const { assert(0 <= r && r <= _n); assert(f(e())); if (r == 0) return 0; r += size; S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!f(op(d[r], sm))) { while (r < size) { r = (2 * r + 1); if (f(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; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } }; } // namespace atcoder using namespace atcoder; using ll = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; using vii = vector<int>; using vll = vector<ll>; using vdd = vector<ld>; using vvii = vector<vector<int>>; using vvll = vector<vector<ll>>; using vvdd = vector<vector<ld>>; using vvvii = vector<vector<vector<int>>>; using vvvll = vector<vector<vector<ll>>>; using vvvdd = vector<vector<vector<ld>>>; template<class T, class U> using P = pair<T, U>; template<class T> using V1 = vector<T>; template<class T> using V2 = vector<vector<T>>; template<class T> using V3 = vector<vector<vector<T>>>; template<class T> using pque = priority_queue<T, vector<T>, greater<T>>; #define _overload3(_1, _2, _3, name, ...) name #define rep1(n) for (ll i = 0; i < (n); i++) #define rep2(i, n) for (ll i = 0; i < (n); i++) #define rep3(i, a, b) for (ll i = (a); i < (b); i++) #define rep(...) _overload3(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__) #define rrep1(n) for (ll i = (n) - 1; i >= 0; i--) #define rrep2(i, n) for (ll i = (n) - 1; i >= 0; i--) #define rrep3(i, a, b) for (ll i = (b) - 1; i >= (a); i--) #define rrep(...) _overload3(__VA_ARGS__, rrep3, rrep2, rrep1)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define sz(x) ((int)(x).size()) #define fi first #define se second #define pb push_back #define endl '\n' #define popcnt(x) __builtin_popcountll(x) #define uniq(x) (x).erase(unique((x).begin(), (x).end()), (x).end()); #define IOS ios::sync_with_stdio(false); cin.tie(nullptr); const int inf = 1 << 30; const ll INF = 1ll << 60; const ld DINF = numeric_limits<ld>::infinity(); const ll mod = 1000000007; //const ll mod = 998244353; const ld EPS = 1e-9; const ld PI = 3.1415926535897932; const ll dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const ll dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } template<typename T> T min(const vector<T> &x) { return *min_element(all(x)); } template<typename T> T max(const vector<T> &x) { return *max_element(all(x)); } template<class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { return os << "(" << p.fi << ", " << p.se << ")"; } template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << "[ "; for (auto &z : v) os << z << " "; os << "]"; return os; } #ifdef _DEBUG #define show(x) cout << #x << " = " << x << endl; #else #define show(x) #endif ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; } ll rem(ll a, ll b) { return (a % b + b) % b; } // clang-format on // using mint = modint998244353; ll modpow(ll a, ll N, ll mod) { ll res = 1; // 例えば3=101(2)なので、下位bitから順に1ならa倍する while (N) { if (N & 1) res = res * a % mod; a = a * a % mod; N >>= 1; } return res; } int op(int a, int b) { return min(a, b); } int e() { return inf; } int main() { // IOS; int N, Q; cin >> N >> Q; V1<P<int, pii>> lrB(Q); rep(Q) { cin >> lrB[i].se.fi >> lrB[i].se.se >> lrB[i].fi; lrB[i].se.fi--, lrB[i].se.se--; } sort(all(lrB)); reverse(all(lrB)); segtree<int, op, e> Seg(N); set<int> Set; rep(i, N) Set.insert(i); rep(i, Q) { int l = lrB[i].se.fi, r = lrB[i].se.se, B = lrB[i].fi; while (1) { auto itr = Set.lower_bound(l); if (itr == Set.end()) break; if ((*itr) > r) break; show(*itr); show(B); Seg.set((*itr), B); show(Seg.get((*itr))); Set.erase(itr); } int m = Seg.prod(l, r + 1); if (m > B) { cout << -1 << endl; return 0; } } rep(i, N) { if (i) cout << " "; cout << Seg.get(i); } cout << endl; return 0; } /* メモ Bの大きい順にソートする */