結果
| 問題 |
No.876 Range Compress Query
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-09-07 15:55:11 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,899 bytes |
| コンパイル時間 | 1,724 ms |
| コンパイル使用メモリ | 170,584 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-06-26 20:51:55 |
| 合計ジャッジ時間 | 3,056 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 12 WA * 6 |
ソースコード
#include "bits/stdc++.h"
// Begin Header {{{
#define let const auto
#define all(x) (x).begin(), (x).end()
#define rep(i, n) for (i64 i = 0, i##_limit = (n); i < i##_limit; ++i)
#define reps(i, s, t) for (i64 i = (s), i##_limit = (t); i <= i##_limit; ++i)
#define repr(i, s, t) for (i64 i = (s), i##_limit = (t); i >= i##_limit; --i)
#define var(Type, ...) Type __VA_ARGS__; input(__VA_ARGS__)
#define lowerBound(...) lowerBound_(__VA_ARGS__)
#define upperBound(...) upperBound_(__VA_ARGS__)
#define lowerBound_(begin, end, ...) (lower_bound((begin), (end), __VA_ARGS__) - (begin))
#define upperBound_(begin, end, ...) (upper_bound((begin), (end), __VA_ARGS__) - (begin))
#ifdef DBG
#define trace(...) trace_g(#__VA_ARGS__, __VA_ARGS__)
#else
#define trace(...)
#endif
using namespace std;
using i64 = int_fast64_t;
using pii = pair<i64, i64>;
template<class T, class U>inline bool chmax(T &a, const U &b){return b>a && (a=b, true);}
template<class T, class U>inline bool chmin(T &a, const U &b){return b<a && (a=b, true);}
inline i64 sigma(i64 n) { return (n * (n + 1) >> 1); }
inline i64 updiv(i64 a, i64 b) { return (a + b - 1) / b; }
inline i64 sqr(i64 n) { return n * n; }
inline string to_string(char c) { return string(1, c); }
inline bool isRangeIn(i64 a, i64 low, i64 high) { return (low <= a && a <= high); }
constexpr int INF = 0x3f3f3f3f;
constexpr i64 LINF = 0x3f3f3f3f3f3f3f3fLL;
template<class T>
vector<T> makeVec(size_t sz) { return vector<T>(sz); }
template<class T, class... Args>
auto makeVec(size_t sz, Args... args) {
return vector<decltype(makeVec<T>(args...))>(sz, makeVec<T>(args...));
}
template<class T>
inline void input(T &x) { cin >> x; }
template<class Head, class... Tail>
inline void input(Head &head, Tail&... tail) { cin >> head; input(tail...); }
inline void print() { cout << "\n"; }
template<class Head, class... Tail>
inline void print(Head &&head, Tail&&... tail) {
cout << head;
if (sizeof...(tail)) cout << ' ';
print(forward<Tail>(tail)...);
}
template<class T>
ostream& operator<< (ostream &out, const vector<T> &vec) {
static constexpr const char *delim[] = { " ", "" };
for (const auto &e : vec) out << e << delim[&e == &vec.back()];
return out;
}
template<class T>
ostream& operator<< (ostream &out, const vector<vector<T>> &mat) {
static constexpr const char *tail[] = { "\n", "" };
for (const auto &row : mat) out << row << tail[&row == &mat.back()];
return out;
}
template <class T>
void trace_g(const char *s, T&& x) {
clog << '{';
while(*s != '\0') clog << *(s++);
clog << ":" << setw(3) << x << '}' << endl;
}
template <class Head, class... Tail>
void trace_g(const char *s, Head&& head, Tail&&... tail) {
clog << '{';
while(*s != ',') clog << *(s++);
clog << ":" << setw(3) << head << "}, ";
for (++s; !isgraph(*s); ++s);
trace_g(s, std::forward<Tail>(tail)...);
}
// }}} End Header
template <class T> struct FenwickTree { // {{{
vector<T> dat;
const int SIZE_POW2;
explicit FenwickTree(int size) noexcept : dat(size+5, 0), SIZE_POW2(32 - __builtin_clz(size)) {}
inline void add(int i, const T &v) noexcept {
for (++i; i < dat.size(); i += i & -i) dat[i]+=v;
}
inline T operator[](int i) const noexcept {
return sum(i, i);
}
inline void update(int i, const T &newVal) noexcept {
const auto curVal = this->operator[](i);
add(i, newVal - curVal);
}
inline T sum(int i) const noexcept {
T s = 0;
for (++i; i > 0; i -= i & -i) s += dat[i];
return s;;
}
inline T sum(int s, int t) const noexcept {
if (s > t) swap(s, t);
return sum(t) - sum(s - 1);
}
inline int lower_bound(T v) const noexcept {
if (v <= 0) return 0;
int i = 0;
for (int w = SIZE_POW2; w > 0; w >>= 1) {
if (i + w < dat.size() && dat[i + w] < v) {
v -= dat[i + w];
i += w;
}
}
return i;
}
}; // }}}
signed main()
{
ios::sync_with_stdio(false); cin.tie(nullptr);
var(int, N, Q);
vector<i64> a(N);
rep(i, N) input(a[i]);
vector<i64> d(N - 1);
FenwickTree<int> ft(N - 1);
rep(i, N - 1) {
d[i] = a[i + 1] - a[i];
ft.add(i, (d[i] == 0 ? 0 : 1));
}
while (Q--) {
var(int, com, l, r);
--l, --r;
if (com == 1) {
var(i64, x);
if (l > 0) {
d[l - 1] += x;
ft.update(l - 1, d[l - 1] == 0 ? 0 : 1);
}
if (r < N - 1) {
d[r] -= x;
ft.update(r, d[r] == 0 ? 0 : 1);
}
}
else {
print(1 + ft.sum(l, r - 1));
}
}
return 0;
}