結果
| 問題 |
No.1675 Strange Minimum Query
|
| コンテスト | |
| ユーザー |
rokahikou1
|
| 提出日時 | 2021-09-11 21:04:06 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 11,932 bytes |
| コンパイル時間 | 1,907 ms |
| コンパイル使用メモリ | 184,404 KB |
| 実行使用メモリ | 10,752 KB |
| 最終ジャッジ日時 | 2024-06-23 05:55:54 |
| 合計ジャッジ時間 | 6,836 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 TLE * 1 |
| other | -- * 34 |
ソースコード
#pragma region Macros
#include <bits/stdc++.h>
#define rep(i, n) for(int(i) = 0; (i) < (n); (i)++)
#define rrep(i, n) for(int(i) = (n)-1; (i) >= 0; (i)--)
#define FOR(i, m, n) for(int(i) = (m); (i) < (n); (i)++)
#define ROF(i, m, n) for(int(i) = (n)-1; (i) >= (m); (i)--)
#define ALL(v) (v).begin(), (v).end()
#define LLA(v) (v).rbegin(), (v).rend()
#define SZ(v) (int)(v).size()
#define INT(...) \
int __VA_ARGS__; \
read(__VA_ARGS__)
#define LL(...) \
ll __VA_ARGS__; \
read(__VA_ARGS__)
#define DOUBLE(...) \
double __VA_ARGS__; \
read(__VA_ARGS__)
#define CHAR(...) \
char __VA_ARGS__; \
read(__VA_ARGS__)
#define STRING(...) \
string __VA_ARGS__; \
read(__VA_ARGS__)
#define VEC(type, name, size) \
vector<type> name(size); \
read(name)
#define VEC2(type, name, height, width) \
vector<vector<type>> name(height, vector<type>(width)); \
read(name)
#define DVEC(type, name1, name2, size) \
vector<type> name1(size), name2(size); \
read(name1, name2)
#define TVEC(type, name1, name2, name3, size) \
vector<type> name1(size), name2(size), name3(size); \
read(name1, name2, name3)
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int INF = 1 << 30;
const ll LINF = 1LL << 60;
const int MOD = 1e9 + 7;
const char newl = '\n';
const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
template <class T> inline bool between(T x, T l, T r) {
return l <= x && x < r;
}
template <class T> inline vector<T> make_vec(size_t a, T val) {
return vector<T>(a, val);
}
template <class... Ts> inline auto make_vec(size_t a, Ts... ts) {
return vector<decltype(make_vec(ts...))>(a, make_vec(ts...));
}
void read() {}
template <class T> inline void read(T &a) { cin >> a; }
template <class T, class S> inline void read(pair<T, S> &p) {
read(p.first), read(p.second);
}
template <class T> inline void read(vector<T> &v) {
for(auto &&a : v)
read(a);
}
template <class T, class U> inline void read(vector<T> &a, vector<U> &b) {
for(int i = 0; i < a.size(); i++) {
read(a[i]);
read(b[i]);
}
}
template <class T, class U, class V>
inline void read(vector<T> &a, vector<U> &b, vector<V> &c) {
for(int i = 0; i < a.size(); i++) {
read(a[i]);
read(b[i]);
read(c[i]);
}
}
template <class Head, class... Tail>
inline void read(Head &head, Tail &...tail) {
read(head), read(tail...);
}
template <class T> void _write(const T &a) { cout << a; }
template <class T, class U> void _write(const std::pair<T, U> &a) { cout << a.first << ' ' << a.second; }
template <class T> void write(const T &a) {
_write(a);
cout << newl;
}
template <class T> void write(const vector<T> &a) {
for(int i = 0; i < a.size(); i++) {
_write(a[i]);
cout << (i + 1 == a.size() ? newl : ' ');
}
}
template <class Head, class... Tail>
void write(const Head &head, const Tail &...tail) {
_write(head);
cout << ' ';
write(tail...);
}
template <class T> void writel(const T &a) { cout << a << '\n'; }
template <class T> void writel(const vector<T> &a) {
for(int i = 0; i < a.size(); i++) {
_write(a[i]);
cout << newl;
}
}
template <class Head, class... Tail>
void writel(const Head &head, const Tail &...tail) {
_write(head);
cout << newl;
write(tail...);
}
template <class T> void _debug(const T &a) { cerr << a; }
template <class T, class U> void _debug(const std::pair<T, U> &a) { cerr << a.first << ' ' << a.second; }
template <class T> void debug(const T &a) {
_debug(a);
cerr << newl;
}
template <class T> void debug(const vector<T> &a) {
for(int i = 0; i < a.size(); i++) {
_debug(a[i]);
cerr << (i + 1 == a.size() ? newl : ' ');
}
}
template <class Head, class... Tail>
void debug(const Head &head, const Tail &...tail) {
_debug(head);
cerr << ' ';
debug(tail...);
}
template <class T> void debugl(const T &a) { cerr << a << '\n'; }
template <class T> void debugl(const vector<T> &a) {
for(int i = 0; i < a.size(); i++) {
_debug(a[i]);
cerr << newl;
}
}
template <class Head, class... Tail>
void debugl(const Head &head, const Tail &...tail) {
_debug(head);
cerr << newl;
debug(tail...);
}
template <class T> auto sum(const vector<T> &a) {
return accumulate(ALL(a), T(0));
}
template <class T> auto min(const vector<T> &a) { return *min_element(ALL(a)); }
template <class T> auto max(const vector<T> &a) { return *max_element(ALL(a)); }
template <class T, class U> void msort(vector<T> &a, vector<U> &b) {
assert(a.size() == b.size());
vector<pair<T, U>> ab(a.size());
for(int i = 0; i < a.size(); i++)
ab[i] = {a[i], b[i]};
sort(ALL(ab));
for(int i = 0; i < a.size(); i++) {
a[i] = ab[i].first;
b[i] = ab[i].second;
}
}
template <class T, class U, class V>
void msort(vector<T> &a, vector<U> &b, vector<V> &c) {
assert(a.size() == b.size() && b.size() == c.size());
vector<tuple<T, U, V>> abc(a.size());
for(int i = 0; i < a.size(); i++)
abc[i] = {a[i], b[i], c[i]};
sort(ALL(abc));
for(int i = 0; i < a.size(); i++) {
a[i] = get<0>(abc[i]);
b[i] = get<1>(abc[i]);
c[i] = get<2>(abc[i]);
}
}
template <class T, class U> inline bool chmax(T &a, U b) {
if(a < b) {
a = b;
return 1;
}
return 0;
}
template <class T, class U> inline bool chmin(T &a, U b) {
if(a > b) {
a = b;
return 1;
}
return 0;
}
int digit(ll a) {
ll ret = 0;
while(a && ++ret)
a /= 10;
return ret;
}
int digit_sum(ll a) {
ll ret = 0;
while(a) {
ret += a % 10;
a /= 10;
}
return ret;
}
ll llpow(ll a, ll n) {
ll ret = 1;
rep(i, n) ret *= a;
return ret;
}
inline int bsf(int v) { return __builtin_ctz(v); } // 最下位の1が下から何番目か
inline int bsf(ll v) { return __builtin_ctzll(v); }
inline int bsr(int v) {
return 31 - __builtin_clz(v);
} // 最上位の1が下から何番目か
inline int bsr(ll v) { return 63 - __builtin_clzll(v); }
inline int lsb(int v) { return v & -v; } // 最下位の1だけ残す
inline ll lsb(ll v) { return v & -v; }
inline int msb(int v) { return 1 << bsr(v); } // 最上位の1だけ残す
inline ll msb(ll v) { return 1LL << bsr(v); }
struct IO {
IO() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(10);
}
} io;
#pragma endregion
template <class S, class F> class LazySegTree {
private:
using Op = function<S(S, S)>;
using Mapping = function<S(S, F)>;
using Composition = function<F(F, F)>;
int n;
int org_size;
const Op op;
const Mapping mapping;
const Composition composition;
const S e;
const F oe;
vector<S> node;
vector<F> lazy;
// ノードの評価
inline S eval(int k) const { return lazy[k] == oe ? node[k] : mapping(node[k], lazy[k]); }
// 子に伝播
inline void propagate(int k) {
if(lazy[k] != oe) {
lazy[2 * k] = composition(lazy[2 * k], lazy[k]);
lazy[2 * k + 1] = composition(lazy[2 * k + 1], lazy[k]);
node[k] = eval(k);
lazy[k] = oe;
}
}
// 上から伝播
inline void thrust(int k) {
for(int i = 31 - __builtin_clz(k); i > 0; i--) {
if((k >> i) >= 1)
propagate(k >> i);
}
}
// 下から再計算
inline void recalc(int k) {
while(k > 1) {
k >>= 1;
node[k] = op(eval(2 * k), eval(2 * k + 1));
}
}
public:
void set(int k, const S &x) { node[k + n] = x; }
void build() {
for(int i = n - 1; i > 0; i--)
node[i] = op(node[2 * i], node[2 * i + 1]);
}
// [L,R)区間作用
void update(int L, int R, F x) {
L += n, R += n;
int L0 = L / (L & -L), R0 = R / (R & -R) - 1;
thrust(L0);
thrust(R0);
while(L < R) {
if(L & 1) {
lazy[L] = composition(lazy[L], x);
L++;
}
if(R & 1) {
R--;
lazy[R] = composition(lazy[R], x);
}
L >>= 1;
R >>= 1;
}
recalc(L0);
recalc(R0);
}
// [L,R)区間取得
S query(int L, int R) {
L += n, R += n;
thrust(L / (L & -L));
thrust(R / (R & -R) - 1);
S vl = e, vr = e;
while(L < R) {
if(L & 1) {
vl = op(vl, eval(L));
L++;
}
if(R & 1) {
R--;
vr = op(eval(R), vr);
}
L >>= 1;
R >>= 1;
}
return op(vl, vr);
}
S at(int k) { return query(k, k + 1); };
// !!未verify!!
int max_right(int l, function<bool(S)> f) {
if(l == org_size)
return org_size;
l += n;
thrust(l / (l & -l));
S cum = e;
do {
while(l % 2 == 0)
l >>= 1;
if(!f(op(cum, node[l]))) {
while(l < n) {
l = 2 * l;
if(f(op(cum, node[l]))) {
cum = op(cum, node[l]);
l++;
}
}
return l - n;
}
cum = op(cum, node[l]);
l++;
} while((l & -l) != l);
return org_size;
}
// !!未verify!!
int min_left(int r, function<bool(S)> f) {
if(r == 0)
return 0;
r += n;
thrust(r / (r & -r) - 1);
S cum = e;
do {
r--;
while(r > 1 && (r % 2))
r >>= 1;
if(!f(op(node[r], cum))) {
while(r < n) {
r = 2 * r + 1;
if(f(op(node[r], cum))) {
cum = op(node[r], cum);
r--;
}
}
return r + 1 - n;
}
cum = op(node[r], cum);
} while((r & (-r) != r));
return 0;
}
LazySegTree(int sz, const Op op, const Mapping mapping,
const Composition composition, const S &e, const F &oe)
: op(op), mapping(mapping), composition(composition), e(e), oe(oe) {
org_size = sz;
n = 1;
while(n < org_size) {
n <<= 1;
}
node.resize(2 * n, e);
lazy.resize(2 * n, oe);
}
LazySegTree(const vector<S> &v, const Op op, const Mapping mapping,
const Composition composition, const S &e, const F &oe)
: op(op), mapping(mapping), composition(composition), e(e), oe(oe) {
org_size = v.size();
n = 1;
while(n < org_size) {
n <<= 1;
}
node.resize(2 * n, e);
lazy.resize(2 * n, oe);
for(int i = 0; i < org_size; i++)
set(i, v[i]);
build();
}
};
using S = int;
using F = int;
S e() { return int(1e9); }
F id() { return -1; }
S op(S a, S b) { return min(a, b); };
S mapping(S a, F f) { return a = id() ? f : a; };
F composition(F f, F g) { return f = id() ? g : f; };
void solve() {
INT(n, Q);
TVEC(int, l, r, b, Q);
msort(b, l, r);
LazySegTree<S, F> seg(n, op, mapping, composition, e(), id());
rep(i, Q) {
l[i]--;
seg.update(l[i], r[i], b[i]);
}
vector<int> res(n);
rep(i, n) res[i] = seg.at(i);
rep(i, Q) {
if(seg.query(l[i], r[i]) != b[i]) {
write(-1);
return;
}
}
write(res);
}
int main() {
int t = 1;
// cin >> t;
while(t--) {
solve();
}
}
rokahikou1