Submission #968583

# Submission time Handle Problem Language Result Execution time Memory
968583 2024-04-23T16:15:41 Z marvinthang Measures (CEOI22_measures) C++17
24 / 100
100 ms 29800 KB
/*************************************
*    author: marvinthang             *
*    created: 23.04.2024 22:44:57    *
*************************************/

#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

const long long INF = 1e18;

int n, m, d;

struct Node {
	long long res, min_val, max_val;
	int cnt;
	Node(): res(0), min_val(INF), max_val(-INF), cnt(0) {}
	Node(long long val): res(0), min_val(val), max_val(val), cnt(1) {}
	Node operator + (const Node &ot) const {
		Node ans;
		ans.res = max({res, ot.res, ot.max_val + 1LL * cnt * d - min_val});
		ans.min_val = min(min_val, ot.min_val + 1LL * cnt * d);
		ans.max_val = max(max_val, ot.max_val + 1LL * cnt * d);
		ans.cnt = cnt + ot.cnt;
		return ans;
	}
};

void process(void) {
	cin >> n >> m >> d;
	m += n;
	vector <int> a(m); cin >> a;
	vector <int> order(m);
	iota(ALL(order), 0);
	sort(ALL(order), [&] (int i, int j) { return a[i] < a[j]; });
	vector <int> pos(m);
	REP(i, m) pos[order[i]] = i;
	vector <Node> st(n * 4 + 23);
	auto update = [&] (auto &&self, int i, int l, int r, int p, int v) -> void {
		if (r - l == 1) {
			st[i] = Node(-v);
			return;
		}
		int m = (l + r) / 2;
		if (p < m) self(self, i << 1, l, m, p, v);
		else self(self, i << 1 | 1, m, r, p, v);
		st[i] = st[i << 1] + st[i << 1 | 1];
	};
	REP(i, m) {
		update(update, 1, 0, m, pos[i], a[i]);
		if (i >= n) cout << st[1].res / 2 << (st[1].res & 1 ? ".5" : "") << ' ';
	}
}

int main(void) {
	ios_base::sync_with_stdio(false); cin.tie(nullptr); // cout.tie(nullptr);
	file("measures");
	// int t; cin >> t; while (t--)
	process();
	// cerr << "Time elapsed: " << TIME << " s.\n";
	return (0^0);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:30:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:92:2: note: in expansion of macro 'file'
   92 |  file("measures");
      |  ^~~~
Main.cpp:30:94: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |     #define file(name) if (fopen(name".inp", "r")) { freopen(name".inp", "r", stdin); freopen(name".out", "w", stdout); }
      |                                                                                       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:92:2: note: in expansion of macro 'file'
   92 |  file("measures");
      |  ^~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 98 ms 29780 KB Output is correct
10 Correct 100 ms 29800 KB Output is correct
11 Correct 60 ms 29772 KB Output is correct
12 Correct 81 ms 29780 KB Output is correct
13 Correct 53 ms 29276 KB Output is correct
14 Correct 64 ms 29548 KB Output is correct
15 Correct 96 ms 29008 KB Output is correct
16 Correct 53 ms 29788 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 20 ms 5212 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 20 ms 5212 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -