oj.uz

Submission #947511

# Submission time Handle Problem Language Result Execution time Memory
947511 2024-03-16T10:18:59 Z marvinthang Shopping (JOI21_shopping) C++17
90 / 100
 97 ms 16584 KB 
/*************************************
*    author: marvinthang             *
*    created: 16.03.2024 15:47:41    *
*************************************/

#include "Anna.h"
#include <bits/stdc++.h>

using namespace std;

#define                  fi  first
#define                  se  second
#define                left  ___left
#define               right  ___right
#define                TIME  (1.0 * clock() / CLOCKS_PER_SEC)
#define             MASK(i)  (1LL << (i))
#define           BIT(x, i)  ((x) >> (i) & 1)
#define  __builtin_popcount  __builtin_popcountll
#define              ALL(v)  (v).begin(), (v).end()
#define           REP(i, n)  for (int i = 0, _n = (n); i < _n; ++i)
#define          REPD(i, n)  for (int i = (n); i-- > 0; )
#define        FOR(i, a, b)  for (int i = (a), _b = (b); i < _b; ++i) 
#define       FORD(i, b, a)  for (int i = (b), _a = (a); --i >= _a; ) 
#define       FORE(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i) 
#define      FORDE(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i) 
#define        scan_op(...)  istream & operator >> (istream &in, __VA_ARGS__ &u)
#define       print_op(...)  ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
    #include "debug.h"
#else
    #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
    #define DB(...) 23
    #define db(...) 23
    #define debug(...) 23
#endif

template <class U, class V> scan_op(pair <U, V>)  { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>)  { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>)  { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")";  else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }

// end of template

namespace {
	int N, L, R, cnt_r, cnt_s;
	int l, r, pl, pr, px, py, pm, p;
	bool phase;
	vector <int> num_pop;
}

void InitA(int n, int _l, int _r) {
	N = n; L = _l; R = _r + 1;
	cnt_r = 0;
	if (R - L > 1) {
		l = 0;
		r = N;
		int i = 1, d = 0;
		while (d < 14) {
			int m = l + r >> 1;
			if (R <= m) r = m, i <<= 1;
			else if (L >= m) l = m, i = i << 1 | 1;
			else break;
			++d;
		}
		REPD(j, 4) SendA(BIT(d, j));
		REPD(j, d) SendA(BIT(i, j));
		cnt_s = 4 + d;
		pl = l; 
		pr = r; 
		px = l + r >> 1; 
		py = px + 1;
		pm = 0;
		r = r - l - 2;
		l = 1;
		p = 0;
		phase = false;
		num_pop.assign(1, 0);
	}
}

void ReceiveA(bool x) {
	++cnt_r;
	if (!phase) {
		int sz = __lg(px - pl) + 1;
		pm = pm << 1 | x;
		if (cnt_r == sz) {
			pm += pl;
			int m = l + r >> 1;
			int qm = pm + m + 1;
			if (pm <= L && R <= qm) {
				SendA(1);
				r = m - 1;
				pl = pm; pr = qm;
			} else {
				SendA(0);
				l = m + 1;
				px = pm; py = qm;
			}
			cnt_r = 0;
			pm = 0;
			if (l > r || ++cnt_s == 18) {
				phase = true;
				cnt_r = 0;
			}
		}
	} else {
		if (px != py) {
			int sz = __lg(py - px - 1) + 1;
			if (cnt_r <= sz) {
				p = p << 1 | x;
				return;
			}
		}
		if (!x) ++num_pop.back();
		else num_pop.push_back(0);
	}
}

int Answer() {
	if (R - L == 1) return L;
	vector <int> lst;
	FOR(i, pl, px) lst.push_back(i);
	if (px != py) {
		p += px;
		lst.push_back(p);
	}
	FOR(i, py, pr) lst.push_back(i);
	vector <int> st;
	REP(i, lst.size()) if (lst[i] < R) {
		while (num_pop[i]--) st.pop_back();
		st.push_back(lst[i]);
	}
	for (int x: st) if (x >= L) return x;
	return -1;
}

/*************************************
*    author: marvinthang             *
*    created: 16.03.2024 15:48:57    *
*************************************/

#include "Bruno.h"
#include <bits/stdc++.h>

using namespace std;

#define                  fi  first
#define                  se  second
#define                left  ___left
#define               right  ___right
#define                TIME  (1.0 * clock() / CLOCKS_PER_SEC)
#define             MASK(i)  (1LL << (i))
#define           BIT(x, i)  ((x) >> (i) & 1)
#define  __builtin_popcount  __builtin_popcountll
#define              ALL(v)  (v).begin(), (v).end()
#define           REP(i, n)  for (int i = 0, _n = (n); i < _n; ++i)
#define          REPD(i, n)  for (int i = (n); i-- > 0; )
#define        FOR(i, a, b)  for (int i = (a), _b = (b); i < _b; ++i) 
#define       FORD(i, b, a)  for (int i = (b), _a = (a); --i >= _a; ) 
#define       FORE(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i) 
#define      FORDE(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i) 
#define        scan_op(...)  istream & operator >> (istream &in, __VA_ARGS__ &u)
#define       print_op(...)  ostream & operator << (ostream &out, const __VA_ARGS__ &u)
#ifdef LOCAL
    #include "debug.h"
#else
    #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
    #define DB(...) 23
    #define db(...) 23
    #define debug(...) 23
#endif

template <class U, class V> scan_op(pair <U, V>)  { return in >> u.first >> u.second; }
template <class T> scan_op(vector <T>)  { for (size_t i = 0; i < u.size(); ++i) in >> u[i]; return in; }
template <class U, class V> print_op(pair <U, V>)  { return out << '(' << u.first << ", " << u.second << ')'; }
template <size_t i, class T> ostream & print_tuple_utils(ostream &out, const T &tup) { if constexpr(i == tuple_size<T>::value) return out << ")";  else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); }
template <class ...U> print_op(tuple<U...>) { return print_tuple_utils<0, tuple<U...>>(out, u); }
template <class Con, class = decltype(begin(declval<Con>()))> typename enable_if <!is_same<Con, string>::value, ostream&>::type operator << (ostream &out, const Con &con) { out << '{'; for (__typeof(con.begin()) it = con.begin(); it != con.end(); ++it) out << (it == con.begin() ? "" : ", ") << *it; return out << '}'; }

// end of template
namespace {
	int N;
	vector <int> P;
	int d, cnt_r, l, r, tl, tr;
	vector <int> pos;
}

void InitB(int n, vector <int> p) {
	N = n; P = p;
	d = 0; l = 0; r = N;
	pos.clear();
}

void ReceiveB(bool y) {
	++cnt_r;
	if (cnt_r <= 4) d = d << 1 | y;
	else if (cnt_r <= d + 4) (y ? l : r) = l + r >> 1;
	if (cnt_r < d + 4) return;
	if (cnt_r == d + 4) {
		int m = l + r >> 1;
		pos.push_back(m);
		int x = m - 1, y = m + 1;
		while (x >= l || y < r) {
			if (y == r || (x >= l && P[x] > P[y])) pos.push_back(x--);
			else pos.push_back(x + 1), ++y;
		}
		tl = 1, tr = r - l - 2;
	} else {
		int tm = tl + tr >> 1;
		if (y) tr = tm - 1;
		else tl = tm + 1;
	}
	if (cnt_r < 18 && tl <= tr) {
		int tm = tl + tr >> 1;
		int sz = __lg(pos[tl - 1] - pos[tr + 1]) + 1;
		int v = pos[tm] - pos[tr + 1];
		REPD(i, sz) SendB(BIT(v, i));
	} else {
		--tl; ++tr;
		int p = -1;
		FORE(i, pos[tl], pos[tl] + tl) if (p == -1 || P[p] > P[i]) p = i;
		if (p != -1) {
			int sz = __lg(tl) + 1;
			REPD(i, sz) SendB(BIT(p - pos[tl], i));
		}
		vector <int> lst;
		FOR(i, pos[tr], pos[tl]) lst.push_back(i);
		if (p != -1) lst.push_back(p);
		FORE(i, pos[tl] + tl + 1, pos[tr] + tr) lst.push_back(i);
		stack <int> st;
		for (int i: lst) {
			while (!st.empty() && P[i] < st.top()) {
				SendB(0);
				st.pop();
			}
			st.push(P[i]);
			SendB(1);
		}
	}
}

Compilation message

Anna.cpp: In function 'void InitA(int, int, int)':
Anna.cpp:61:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   61 |    int m = l + r >> 1;
      |            ~~^~~
Anna.cpp:72:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   72 |   px = l + r >> 1;
      |        ~~^~~
Anna.cpp: In function 'void ReceiveA(bool)':
Anna.cpp:90:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   90 |    int m = l + r >> 1;
      |            ~~^~~

Bruno.cpp: In function 'void ReceiveB(bool)':
Bruno.cpp:61:43: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   61 |  else if (cnt_r <= d + 4) (y ? l : r) = l + r >> 1;
      |                                         ~~^~~
Bruno.cpp:64:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |   int m = l + r >> 1;
      |           ~~^~~
Bruno.cpp:73:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   73 |   int tm = tl + tr >> 1;
      |            ~~~^~~~
Bruno.cpp:78:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   78 |   int tm = tl + tr >> 1;
      |            ~~~^~~~

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 836 KB Output is correct
2 Correct 0 ms 664 KB Output is correct
3 Correct 0 ms 664 KB Output is correct
4 Correct 0 ms 664 KB Output is correct
5 Correct 0 ms 664 KB Output is correct
6 Correct 1 ms 920 KB Output is correct
7 Correct 2 ms 664 KB Output is correct
8 Correct 1 ms 664 KB Output is correct
9 Correct 0 ms 716 KB Output is correct
10 Correct 0 ms 664 KB Output is correct
11 Correct 2 ms 772 KB Output is correct
12 Correct 1 ms 664 KB Output is correct
13 Correct 0 ms 664 KB Output is correct
14 Correct 1 ms 664 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 664 KB Output is correct
17 Correct 1 ms 664 KB Output is correct
18 Incorrect 1 ms 332 KB Wrong Answer [2]
19 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 836 KB Output is correct
2 Correct 0 ms 664 KB Output is correct
3 Correct 0 ms 664 KB Output is correct
4 Correct 0 ms 664 KB Output is correct
5 Correct 0 ms 664 KB Output is correct
6 Correct 1 ms 920 KB Output is correct
7 Correct 2 ms 664 KB Output is correct
8 Correct 1 ms 664 KB Output is correct
9 Correct 0 ms 716 KB Output is correct
10 Correct 0 ms 664 KB Output is correct
11 Correct 2 ms 772 KB Output is correct
12 Correct 1 ms 664 KB Output is correct
13 Correct 0 ms 664 KB Output is correct
14 Correct 1 ms 664 KB Output is correct
15 Correct 2 ms 664 KB Output is correct
16 Correct 2 ms 664 KB Output is correct
17 Correct 1 ms 664 KB Output is correct
18 Incorrect 1 ms 332 KB Wrong Answer [2]
19 Halted 0 ms 0 KB -

Subtask #3
90.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 16440 KB Output is correct
2 Correct 91 ms 12600 KB Output is correct
3 Correct 94 ms 12508 KB Output is correct
4 Correct 85 ms 16428 KB Output is correct
5 Correct 87 ms 16424 KB Output is correct
6 Correct 88 ms 16444 KB Output is correct
7 Correct 83 ms 12592 KB Output is correct
8 Correct 80 ms 12416 KB Output is correct
9 Correct 79 ms 12400 KB Output is correct
10 Correct 96 ms 12404 KB Output is correct
11 Correct 88 ms 16584 KB Output is correct
12 Correct 78 ms 12592 KB Output is correct
13 Correct 86 ms 12416 KB Output is correct
14 Correct 97 ms 12400 KB Output is correct
15 Correct 83 ms 12400 KB Output is correct
16 Correct 88 ms 12584 KB Output is correct
17 Correct 82 ms 12412 KB Output is correct
18 Correct 85 ms 12584 KB Output is correct
19 Correct 94 ms 12400 KB Output is correct
20 Correct 94 ms 12396 KB Output is correct
21 Correct 83 ms 12772 KB Output is correct
22 Correct 82 ms 12584 KB Output is correct
23 Correct 82 ms 12424 KB Output is correct
24 Correct 91 ms 12588 KB Output is correct
25 Correct 78 ms 12420 KB Output is correct
26 Correct 94 ms 12408 KB Output is correct
27 Correct 96 ms 12408 KB Output is correct
28 Correct 80 ms 12588 KB Output is correct
29 Correct 84 ms 12588 KB Output is correct
30 Correct 85 ms 12400 KB Output is correct