제출 #420036

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
420036		iaNTU	Financial Report (JOI21_financial)	C++17	53 / 100	4086 ms	31124 KiB

Main

// Exported by Exporter.exe

// Included from B.cpp
#include <bits/stdc++.h>
using namespace std;
#define PB push_back
#define F first
#define S second
#define MP make_pair
#define MTP make_tuple
#define R Read
#define RD Read_Digit
#define RP Read_P
#define RL Read_Loop
#define RLD Read_Loop_Digit
#define RLP Read_Loop_P
#ifdef ONLINE_JUDGE
	#define Debug(x) ;
	#define Debugln(x) ;
	#define Debug_Array(n,x) ;
	#define Debugln_Array(n,x) ;
	#define NL ;
#else
	#define Debug(x) printf("%s :", (#x)), _Debug(x)
	#define Debugln(x) printf("%s :", (#x)), _Debugln(x)
	#define Debug_Array(n,x) printf("%s :", (#x)), _Debug_Array((n), (x))
	#define Debugln_Array(n,x) printf("%s :", (#x)), _Debugln_Array((n), (x))
	#define NL printf("\n")
#endif
typedef long long int ll;
typedef unsigned long long int ull;

constexpr int kN = int(3E5 + 10);
// constexpr int kMod = 998244353;
// constexpr int kMod = int(1E9 + 7);
constexpr int kInf = 0x3f3f3f3f;
// constexpr ll kInf = 0x3f3f3f3f3f3f3f3f;
// constexpr double kPi = acos(-1);
// constexpr double kEps = 1E-9;


// Included from C:\Users\ianli\Desktop\CP\template\Various\Fast_IO\Fast_IO.cpp
// --- Get ---
static inline char Get_Raw_Char() {
	static char buf[1 << 16], *p = buf, *end = buf;
	if (p == end) {
		if ((end = buf + fread(buf, 1, 1 << 16, stdin)) == buf) return '\0';
		p = buf;
	}
	return *p++;
}

// --- Read ---
template <typename T> static inline void Read_P(T &n) {
	static_assert(is_integral<T>::value, "Read_P requires an integral type");
	char c;
	while (!isdigit(c = Get_Raw_Char())) ;
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	return ;
}

template <typename T> static inline void Read(T &n) {
	static_assert(is_integral<T>::value, "Read requires an integral type");
	char c;
	bool neg = false;
	while (!isdigit(c = Get_Raw_Char())) if (c == '-') neg = true;
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	if (neg) n = -n;
	return ;
}

template <typename T> static inline void Read_Digit(T &n) {
	static_assert(is_integral<T>::value, "Read_Digit requires an integral type");
	char c;
	while (!isdigit(c = Get_Raw_Char())) ;
	n = int(c - '0');
	return ;
}

// --- Read multiple ---
template <typename T, typename... Targs> static inline void Read(T &n, Targs&... Fargs) {Read(n); return Read(Fargs...);}
template <typename T, typename... Targs> static inline void Read_Digit(T &n, Targs&... Fargs) {Read_Digit(n); return Read_Digit(Fargs...);}
template <typename T, typename... Targs> static inline void Read_P(T &n, Targs&... Fargs) {Read_P(n); return Read_P(Fargs...);}

// --- Read Loop ---
template <typename T> static inline void Read_Loop_i(int i, T *a) {return Read(a[i]);}
template <typename T, typename... Targs> static inline void Read_Loop_i(int i, T *a, Targs*... Fargs) {Read(a[i]); return Read_Loop_i(i, Fargs...);}
template <typename... Targs> static inline void Read_Loop(int n, Targs*... Fargs) {for (int i = 1; i <= n; i++) Read_Loop_i(i, Fargs...);}

template <typename T> static inline void Read_Loop_Digit_i(int i, T *a) {return Read_Digit(a[i]);}
template <typename T, typename... Targs> static inline void Read_Loop_Digit_i(int i, T *a, Targs*... Fargs) {Read_Digit(a[i]); return Read_Loop_Digit_i(i, Fargs...);}
template <typename... Targs> static inline void Read_Loop_Digit(int n, Targs*... Fargs) {for (int i = 1; i <= n; i++) Read_Loop_Digit_i(i, Fargs...);}

template <typename T> static inline void Read_Loop_P_i(int i, T *a) {return Read_P(a[i]);}
template <typename T, typename... Targs> static inline void Read_Loop_P_i(int i, T *a, Targs*... Fargs) {Read_P(a[i]); return Read_Loop_P_i(i, Fargs...);}
template <typename... Targs> static inline void Read_Loop_P(int n, Targs*... Fargs) {for (int i = 1; i <= n; i++) Read_Loop_P_i(i, Fargs...);}

// --- Float ---
template <int mul, typename T> static inline void Read(T &n) {
	char c;
	bool neg = false;
	while (!isdigit(c = Get_Raw_Char())) if (c == '-') neg = true;
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	
	int cnt = 0;

	if (c == '.') {
		while (isdigit(c = Get_Raw_Char())) {
			n = n * 10 + int(c - '0');
			cnt++;
		}
	}

	while (cnt++ < mul) n = n * 10;

	if (neg) n = -n;
	return ;
}

template <int mul, typename T> static inline void Read_P(T &n) {
	char c;
	while (!isdigit(c = Get_Raw_Char())) ;
	
	n = int(c - '0');
	while (isdigit(c = Get_Raw_Char())) n = n * 10 + int(c - '0');
	
	int cnt = 0;

	if (c == '.') {
		while (isdigit(c = Get_Raw_Char())) {
			n = n * 10 + int(c - '0');
			cnt++;
		}
	}

	while (cnt++ < mul) n = n * 10;
	return ;
}

template <int mul, typename T, typename... Targs> static inline void Read(T &n, Targs&... Fargs) {Read<mul>(n); return Read<mul>(Fargs...);}
template <int mul, typename T, typename... Targs> static inline void Read_P(T &n, Targs&... Fargs) {Read_P<mul>(n); return Read_P<mul>(Fargs...);}

// --- init ---
inline void IOS() {ios::sync_with_stdio(false); cin.tie(0); return ;}
inline void Freopen(const char *in, const char *out) {freopen(in, "r", stdin); freopen(out, "w", stdout); return ;}

// --- Output ---
template <typename T> void Print(T x) {
	if (x < 0) {
		printf("-");
		x = -x;
	}
	if (x == 0) printf("0");
	else {
		static int val[100];
		int idx = -1;
		while (x) {
			val[++idx] = x % 10;
			x /= 10;
		}
		while (idx >= 0) printf("%d", val[idx--]);
	}
} 
// End of C:\Users\ianli\Desktop\CP\template\Various\Fast_IO\Fast_IO.cpp

// Included from C:\Users\ianli\Desktop\CP\template\Various\Useful_Functions\Useful_Functions.cpp
template <typename T> inline void sort(vector<T> &v) {return sort(v.begin(), v.end());}
template <typename T> inline void sort_r(vector<T> &v) {return sort(v.begin(), v.end(), greater<T>());}

template <typename T> inline void reverse(vector<T> &v) {return reverse(v.begin(), v.end());}

template <typename T> inline void Merge(vector<T> &a, vector<T> &b, vector<T> &c) {
	if (c.size() < a.size() + b.size()) c.resize(a.size() + b.size());
	merge(a.begin(), a.end(), b.begin(), b.end(), c.begin());
	return ;
}
template <typename T> inline void Concatanate(vector<T> &a, vector<T> &b, vector<T> &c) {
	int a_size = int(a.size()), b_size = int(b.size());
	c.resize(a_size + b_size);
	for (int i = 0; i < a_size; i++) c[i] = a[i];
	for (int i = 0; i < b_size; i++) c[i + a_size] = b[i];
	return ;
}

template <typename T> inline void Discrete(vector<T> &v) {sort(v); v.resize(unique(v.begin(), v.end()) - v.begin()); return ;}

template <typename T> using PQ = priority_queue<T>;
template <typename T> using PQ_R = priority_queue<T, vector<T>, greater<T>>;

template <typename T> inline T ABS(T n) {return n >= 0 ? n : -n;}
template <typename T> __attribute__((target("bmi"))) inline T gcd(T a, T b) {
	if (a < 0) a = -a;
	if (b < 0) b = -b;
	if (a == 0 || b == 0) return a + b;
	int n = __builtin_ctzll(a);
	int m = __builtin_ctzll(b);
	a >>= n;
	b >>= m;
	while (a != b) {
		int m = __builtin_ctzll(a - b);
		bool f = a > b;
		T c = f ? a : b;
		b = f ? b : a;
		a = (c - b) >> m;
	}
	return a << min(n, m);
}
template <typename T> inline T lcm(T a, T b) {return a * b / gcd(a, b);}
template <typename T, typename... Targs> inline T gcd(T a, T b, T c, Targs... args) {return gcd(a, gcd(b, c, args...));}
template <typename T, typename... Targs> inline T lcm(T a, T b, T c, Targs... args) {return lcm(a, lcm(b, c, args...));}
template <typename T, typename... Targs> inline T min(T a, T b, T c, Targs... args) {return min(a, min(b, c, args...));}
template <typename T, typename... Targs> inline T max(T a, T b, T c, Targs... args) {return max(a, max(b, c, args...));}
template <typename T, typename... Targs> inline void chmin(T &a, T b, Targs... args) {a = min(a, b, args...); return ;}
template <typename T, typename... Targs> inline void chmax(T &a, T b, Targs... args) {a = max(a, b, args...); return ;}

vector<int> Primes(int n) {
	if (n == 1) return {};
	// 2 ~ n
	vector<int> primes;
	vector<bool> isPrime(n + 1, true);

	primes.reserve(n / __lg(n));

	for (int i = 2; i <= n; i++) {
		if (isPrime[i]) primes.push_back(i);
		for (int j : primes) {
			if (i * j > n) break;
			isPrime[i * j] = false;
			if (i % j == 0) break;
		}
	}
	return primes;
}

vector<int> factors(int x) {
	vector<int> ans;
	for (int i = 1; i * i <= x; i++) if (x % i == 0) ans.PB(i);

	int id = int(ans.size()) - 1;
	if (ans[id] * ans[id] == x) id--;
	for (int i = id; i >= 0; i--) ans.PB(x / ans[i]);

	return ans;
}

int mex(vector<int> vec) {
	int n = int(vec.size());
	vector<bool> have(n, false);
	for (int i : vec) if (i < n) have[i] = true;
	for (int i = 0; i < n; i++) if (!have[i]) return i;
	return n;
}

template <typename T> T SQ(T x) {return x * x;}

template <typename T> T Mdist(pair<T, T> lhs, pair<T, T> rhs) {return ABS(lhs.first - rhs.first) + ABS(lhs.second - rhs.second);}
template <typename T> T Dist2(pair<T, T> lhs, pair<T, T> rhs) {
	return SQ(lhs.F - rhs.F) + SQ(lhs.S - rhs.S);
}

template <typename T> T LUBound(T LB, T val, T UB) {return min(max(LB, val), UB);}

template <typename T, typename Comp> T Binary_Search(T L, T R, Comp f) {
	// L good R bad
	static_assert(is_integral<T>::value, "Binary_Search requires an integral type");
	while (R - L > 1) {
		T mid = (L + R) >> 1;
		if (f(mid)) L = mid;
		else R = mid;
	}
	return L;
}

template <typename Comp> double Binary_Search(double L, double R, Comp f, int n = 30) {
	for (int i = 1; i <= n; i++) {
		double mid = (L + R) / 2;
		if (f(mid)) L = mid;
		else R = mid;
	}
	return L;
}
// End of C:\Users\ianli\Desktop\CP\template\Various\Useful_Functions\Useful_Functions.cpp

// Included from C:\Users\ianli\Desktop\CP\template\Various\Debug\Debug.cpp
void _print(int x) {printf("%d", x);}
void _print(long long int x) {printf("%lld", x);}
void _print(unsigned long long int x) {printf("%llu", x);}
void _print(double x) {printf("%lf", x);}
template <typename T> void _print(T x) {return x.out();}
template <typename T1, typename T2> void _print(pair<T1, T2> x) {printf("("); _print(x.first); printf(", "); _print(x.second); printf(")");}

template <typename T> void _Debug(T x) {_print(x); printf("\n");}
template <typename T> void _Debug(vector<T> v) {
	if (v.empty()) printf(" empty");
	else for (T i : v) printf(" "), _print(i); 
	printf("\n");
}

template <typename T1, typename T2, typename T3> void _Debug(priority_queue<T1, T2, T3> pq) {
	if (pq.empty()) printf(" empty");
	else {
		while (!pq.empty()) {
			printf(" ");
			_print(pq.top());
			pq.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debug(queue<T> q) {
	if (q.empty()) printf(" empty");
	else {
		while (!q.empty()) {
			printf(" ");
			_print(q.front());
			q.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debug(stack<T> st) {
	if (st.empty()) printf(" empty");
	else {
		while (!st.empty()) {
			printf(" ");
			_print(st.top());
			st.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debug(deque<T> dq) {
	if (dq.empty()) printf(" empty");
	else {
		while (!dq.empty()) {
			printf(" ");
			_print(dq.front());
			dq.pop_front();
		}
	}
	printf("\n");
}

template <typename T> void _Debugln(vector<T> v) {
	if (v.empty()) printf(" empty\n");
	else {
		for (T i : v) printf("\n"), _print(i); 
		printf("\n");
	}
}

template <typename T1, typename T2, typename T3> void _Debugln(priority_queue<T1, T2, T3> pq) {
	if (pq.empty()) printf(" empty");
	else {
		while (!pq.empty()) {
			printf("\n");
			_print(pq.top());
			pq.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debugln(queue<T> q) {
	if (q.empty()) printf(" empty");
	else {
		while (!q.empty()) {
			printf("\n");
			_print(q.front());
			q.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debugln(stack<T> st) {
	if (st.empty()) printf(" empty");
	else {
		while (!st.empty()) {
			printf("\n");
			_print(st.top());
			st.pop();
		}
	}
	printf("\n");
}

template <typename T> void _Debugln(deque<T> dq) {
	if (dq.empty()) printf(" empty");
	else {
		while (!dq.empty()) {
			printf("\n");
			_print(dq.front());
			dq.pop_front();
		}
	}
	printf("\n");
}

template <typename T> void _Debug_Array(int n, const T *x) {for (int i = 1; i <= n; i++) printf(" "), _print(x[i]); printf("\n");}
template <typename T> void _Debugln_Array(int n, const T *x) {printf("\n"); for (int i = 1; i <= n; i++) _print(x[i]), printf("\n");}
// End of C:\Users\ianli\Desktop\CP\template\Various\Debug\Debug.cpp

// Included from C:\Users\ianli\Desktop\CP\template\DS\Seg_tree\max.cpp
// range add, max
template <typename T> struct seg_tree_max {
	static constexpr T kInf = numeric_limits<T>::max() / 2 - 10;
	private :
	int _size;
	T *val, *flag;

	void addtag(int n, T x) {
		val[n] += x;
		flag[n] += x;
		return ;
	}
	void push(int n) {
		if (flag[n]) {
			addtag(n << 1, flag[n]);
			addtag(n << 1 | 1, flag[n]);
			flag[n] = 0;
		}
		return ;
	}
	void pull(int n) {
		val[n] = max(val[n << 1], val[n << 1 | 1]);
		return ;
	}

	void init(int n, int l, int r) {
		val[n] = -kInf;
		flag[n] = 0;
		if (l < r) {
			int mid = (l + r) >> 1;
			init(n << 1, l, mid);
			init(n << 1 | 1, mid + 1, r);
		}
		return ;
	}

	void init(int n, int l, int r, T *v) {
		flag[n] = 0;
		if (l == r) val[n] = v[l];
		else {
			int mid = (l + r) >> 1;
			init(n << 1, l, mid, v);
			init(n << 1 | 1, mid + 1, r, v);
			pull(n);
		}
		return ;
	}

	void set(int n, int l, int r, int pos, T x) {
		if (l == r) val[n] = x;
		else {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) set(n << 1, l, mid, pos, x);
			else set(n << 1 | 1, mid + 1, r, pos, x);
			pull(n);
		}
		return ;
	}
	void add(int n, int l, int r, int L, int R, T x) {
		if (L <= l && r <= R) addtag(n, x);
		else if (!(L > r || l > R)) {
			int mid = (l + r) >> 1;
			push(n);
			add(n << 1, l, mid, L, R, x);
			add(n << 1 | 1, mid + 1, r, L, R, x);
			pull(n);
		}
		return ;
	}
	void fix(int n, int l, int r, int pos, T x) {
		chmax(val[n], x);
		if (l < r) {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) fix(n << 1, l, mid, pos, x);
			else fix(n << 1 | 1, mid + 1, r, pos, x);
		}
		return ;
	}

	T ask(int n, int l, int r, int pos) {
		if (l == r) return val[n];
		else {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) return ask(n << 1, l, mid, pos);
			else return ask(n << 1 | 1, mid + 1, r, pos);
		}
	}
	T ask(int n, int l, int r, int L, int R) {
		if (L <= l && r <= R) return val[n];
		else if (l > R || L > r) return -kInf;
		else {
			int mid = (l + r) >> 1;
			push(n);
			return max(ask(n << 1, l, mid, L, R), ask(n << 1 | 1, mid + 1, r, L, R));
		}
	}

	public:
	seg_tree_max() : _size(0), val(nullptr), flag(nullptr) {}
	void init(int n) {
		delete [] val; val = new T [n << 2];
		delete [] flag; flag = new T [n << 2];
		return init(1, 1, _size = n);
	}
	void init(int n, T *v) {
		delete [] val; val = new T [n << 2];
		delete [] flag; flag = new T [n << 2];
		return init(1, 1, _size = n, v);
	}
	void set(int pos, T x) {return set(1, 1, _size, pos, x);}
	// void add(int pos, T x)
	void add(int L, int R, T x) {return add(1, 1, _size, L, R, x);}
	void fix(int pos, T x) {return fix(1, 1, _size, pos, x);}
	// fix = take max
	T ask(int pos) {return ask(1, 1, _size, pos);}
	T ask(int L, int R) {return ask(1, 1, _size, L, R);}
	T top() const {return val[1];}
};

// End of C:\Users\ianli\Desktop\CP\template\DS\Seg_tree\max.cpp

// Included from C:\Users\ianli\Desktop\CP\template\DS\Seg_tree\rsa_id_max.cpp
// range set, add, max, id
// !!! If exist multiple max values then it would return any of them (not necessarily leftmost/rightmost)
template <typename T> struct seg_tree_rsa_id_max {
	static constexpr T kInf = numeric_limits<T>::max() / 2 - 10;
	private :
	int _size;
	pair<T, int> *_val;
	T *_set_flag, *_add_flag;
	vector<bool> _has_set_flag;

	void addtag(int n, T x) {
		_val[n].first += x;
		_add_flag[n] += x;
		return ;
	}
	void settag(int n, T x) {
		_val[n].first = x;
		_set_flag[n] = x;
		_add_flag[n] = 0;
		_has_set_flag[n] = true;
		return ;
	}
	void push(int n) {
		if (_has_set_flag[n]) {
			settag(n << 1, _set_flag[n]);
			settag(n << 1 | 1, _set_flag[n]);
			_has_set_flag[n] = false;
		}
		if (_add_flag[n]) {
			addtag(n << 1, _add_flag[n]);
			addtag(n << 1 | 1, _add_flag[n]);
			_add_flag[n] = 0;
		}
		return ;
	}
	void pull(int n) {
		_val[n] = max(_val[n << 1], _val[n << 1 | 1]);
		return ;
	}

	void init(int n, int l, int r) {
		_val[n] = make_pair(-kInf, r);
		_has_set_flag[n] = false;
		_add_flag[n] = 0;
		if (l < r) {
			int mid = (l + r) >> 1;
			init(n << 1, l, mid);
			init(n << 1 | 1, mid + 1, r);
		}
		return ;
	}

	void init(int n, int l, int r, T *v) {
		_has_set_flag[n] = false;
		_add_flag[n] = 0;
		if (l == r) _val[n] = make_pair(v[l], l);
		else {
			int mid = (l + r) >> 1;
			init(n << 1, l, mid, v);
			init(n << 1 | 1, mid + 1, r, v);
			pull(n);
		}
		return ;
	}

	void set(int n, int l, int r, int pos, T x) {
		if (l == r) _val[n].first = x;
		else {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) set(n << 1, l, mid, pos, x);
			else set(n << 1 | 1, mid + 1, r, pos, x);
			pull(n);
		}
		return ;
	}
	void set(int n, int l, int r, int L, int R, T x) {
		if (L <= l && r <= R) settag(n, x);
		else if (!(l > R || L > r)) {
			int mid = (l + r) >> 1;
			push(n);
			set(n << 1, l, mid, L, R, x);
			set(n << 1 | 1, mid + 1, r, L, R, x);
			pull(n);
		}
		return ;
	}

	void add(int n, int l, int r, int pos, T x) {
		if (l == r) _val[n].first += x;
		else {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) add(n << 1, l, mid, pos, x);
			else add(n << 1 | 1, mid + 1, r, pos, x);
			pull(n);
		}
		return ;
	}
	void add(int n, int l, int r, int L, int R, T x) {
		if (L <= l && r <= R) addtag(n, x);
		else if (!(l > R || L > r)) {
			int mid = (l + r) >> 1;
			push(n);
			add(n << 1, l, mid, L, R, x);
			add(n << 1 | 1, mid + 1, r, L, R, x);
			pull(n);
		}
		return ;
	}

	pair<T, int> ask(int n, int l, int r, int pos) {
		if (l == r) return _val[n];
		else {
			int mid = (l + r) >> 1;
			push(n);
			if (pos <= mid) return ask(n << 1, l, mid, pos);
			else return ask(n << 1 | 1, mid + 1, r, pos);
		}
	}
	pair<T, int> ask(int n, int l, int r, int L, int R) {
		if (L <= l && r <= R) return _val[n];
		else if (l > R || L > r) return -kInf;
		else {
			int mid = (l + r) >> 1;
			push(n);
			return max(ask(n << 1, l, mid, L, R), ask(n << 1 | 1, mid + 1, r, L, R));
		}
	}

	public:
	seg_tree_rsa_id_max() : _size(0), _val(nullptr), _add_flag(nullptr), _set_flag(nullptr) {}
	void init(int n) {
		delete [] _val; _val = new pair<T, int> [n << 2];
		delete [] _add_flag; _add_flag = new T [n << 2];
		delete [] _set_flag; _set_flag = new T [n << 2];
		_has_set_flag.resize(n << 2);
		return init(1, 1, _size = n);
	}
	void init(int n, T *v) {
		delete [] _val; _val = new pair<T, int> [n << 2];
		delete [] _add_flag; _add_flag = new T [n << 2];
		delete [] _set_flag; _set_flag = new T [n << 2];
		_has_set_flag.resize(n << 2);
		return init(1, 1, _size = n, v);
	}
	void set(int pos, T x) {return set(1, 1, _size, pos, x);}
	void set(int L, int R, T x) {return set(1, 1, _size, L, R, x);}
	void add(int pos, T x) {return add(1, 1, _size, pos, x);}
	void add(int L, int R, T x) {return add(1, 1, _size, L, R, x);}
	pair<T, int> ask(int pos) {return ask(1, 1, _size, pos);}
	pair<T, int> ask(int L, int R) {return ask(1, 1, _size, L, R);}
	pair<T, int> top() const {return _val[1];}
};

// End of C:\Users\ianli\Desktop\CP\template\DS\Seg_tree\rsa_id_max.cpp

seg_tree_max<int> sg_dp;
seg_tree_rsa_id_max<int> sg_d;
int dp[kN];
int a[kN];
pair<int, int> p[kN];

int main() {
	int n, d; RP(n, d);
	RLP(n, a);

	for (int i = 1; i <= n; i++) p[i] = MP(a[i], -i);
	sort(p + 1, p + n + 1);
	for (int i = 1; i <= n; i++) a[-p[i].S] = i;

	sg_dp.init(n);
	sg_d.init(n);
	sg_d.set(1, n, 0);

	//Debug_Array(n, a);

	for (int i = 1; i <= n; i++) {
		//Debug(i);
		dp[i] = max(1, sg_dp.ask(1, a[i] - 1) + 1);
		sg_d.add(1, a[i] - 1, 1);
		sg_d.set(a[i], n, 0);
		while (sg_d.top().F >= d) {
			int id = sg_d.top().S;
			sg_d.set(id, -kInf);
			sg_dp.set(id, -kInf);
			//Debug(id);
		}
		sg_dp.set(a[i], dp[i]);
	}

	//Debug_Array(n, dp);

	int ans = 0;
	for (int i = 1; i <= n; i++) chmax(ans, dp[i]);
	printf("%d\n", ans);
}
// End of B.cpp

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In instantiation of 'seg_tree_rsa_id_max<T>::seg_tree_rsa_id_max() [with T = int]':
Main.cpp:694:26:   required from here
Main.cpp:543:17: warning: 'seg_tree_rsa_id_max<int>::_add_flag' will be initialized after [-Wreorder]
  543 |  T *_set_flag, *_add_flag;
      |                 ^~~~~~~~~
Main.cpp:543:5: warning:   'int* seg_tree_rsa_id_max<int>::_set_flag' [-Wreorder]
  543 |  T *_set_flag, *_add_flag;
      |     ^~~~~~~~~
Main.cpp:667:2: warning:   when initialized here [-Wreorder]
  667 |  seg_tree_rsa_id_max() : _size(0), _val(nullptr), _add_flag(nullptr), _set_flag(nullptr) {}
      |  ^~~~~~~~~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 20 / 20
• Subtask 4: 0 / 12
• Subtask 5: 5 / 5
• Subtask 6: 0 / 35