oj.uz

답안 #892938

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
892938 2023-12-26T08:09:22 Z marvinthang Ants and Sugar (JOI22_sugar) C++17
26 / 100
 699 ms 69516 KB 
/*************************************
*    author: marvinthang             *
*    created: 26.12.2023 10:02:55    *
*************************************/

#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 << '}'; }
template <class A, class B> bool minimize(A &a, B b)  { return a > b ? a = b, true : false; }
template <class A, class B> bool maximize(A &a, B b)  { return a < b ? a = b, true : false; }

// end of template

struct Node {
	long long ma[2][2], lazy, common;
	Node() {
		REP(i, 2) REP(j, 2) ma[i][j] = 0;
		lazy = common = 0;
	}
	void add(long long x) {
		REP(i, 2) REP(j, 2) ma[i][j] -= x;
		lazy += x;
		common += x;
	}
	void merge(const Node &a, const Node &b) {
		REP(i, 2) REP(j, 2) ma[i][j] = max(a.ma[i][0] + b.ma[0][j], a.ma[i][1] + b.ma[1][j] + common);
		REP(i, 2) {
			maximize(ma[i][0], a.ma[i][0]);
			maximize(ma[0][i], b.ma[0][i]);
		}
	}
};

void process(void) {
	int q, l; cin >> q >> l;
	vector <tuple <int, int, int>> queries;
	vector <int> pos;
	REP(i, q) {
		int t, x, a; cin >> t >> x >> a;
		if (t == 1) pos.push_back(x);
		queries.emplace_back(t, x, a);
	}
	sort(ALL(pos));
	pos.erase(unique(ALL(pos)), pos.end());
	vector <Node> st(pos.size() * 4);
	auto pushDown = [&] (int i) {
		if (!st[i].lazy) return;
		st[i << 1].add(st[i].lazy);
		st[i << 1 | 1].add(st[i].lazy);
		st[i].lazy = 0;
	};
	function<void(int, int, int, int, int)> updateAnt = [&] (int i, int l, int r, int p, int v) {
		if (r - l == 1) {
			REP(x, 2) REP(y, 2) st[i].ma[x][y] += v;
			return;
		}
		pushDown(i);
		int m = l + r >> 1;
		if (p < m) updateAnt(i << 1, l, m, p, v);
		else updateAnt(i << 1 | 1, m, r, p, v);
		st[i].merge(st[i << 1], st[i << 1 | 1]);
	};
	function<void(int, int, int, int, int, int)> updateSugar = [&] (int i, int l, int r, int u, int v, int w) {
		if (u <= l && r <= v) {
			st[i].add(w);
			return;
		}
		pushDown(i);
		int m = l + r >> 1;
		if (v <= m) updateSugar(i << 1, l, m, u, v, w);
		else if (u >= m) updateSugar(i << 1 | 1, m, r, u, v, w);
		else {
			st[i].common += w;
			updateSugar(i << 1, l, m, u, v, w);
			updateSugar(i << 1 | 1, m, r, u, v, w);
		}
		st[i].merge(st[i << 1], st[i << 1 | 1]);
	};
	
	long long sum = 0;
	for (auto [t, x, a]: queries) {
		if (t == 1) {
			x = lower_bound(ALL(pos), x) - pos.begin();
			updateAnt(1, 0, (int) pos.size(), x, a);
			sum += a;
		} else {
			int tl = lower_bound(ALL(pos), x - l) - pos.begin();
			int tr = upper_bound(ALL(pos), x + l) - pos.begin();
			if (tl < tr) updateSugar(1, 0, (int) pos.size(), tl, tr, a);
		}
		cout << sum - max(0LL, st[1].ma[0][0]) << '\n';
	}
}

int main(void) {
	ios_base::sync_with_stdio(false); cin.tie(nullptr); // cout.tie(nullptr);
	file("JOI22_sugar");
	// int t; cin >> t; while (t--)
	process();
	// cerr << "Time elapsed: " << TIME << " s.\n";
	return (0^0);
}

Compilation message

sugar.cpp: In lambda function:
sugar.cpp:91:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   91 |   int m = l + r >> 1;
      |           ~~^~~
sugar.cpp: In lambda function:
sugar.cpp:102:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  102 |   int m = l + r >> 1;
      |           ~~^~~
sugar.cpp: In function 'int main()':
sugar.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); }
      |                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sugar.cpp:130:2: note: in expansion of macro 'file'
  130 |  file("JOI22_sugar");
      |  ^~~~
sugar.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); }
      |                                                                                       ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sugar.cpp:130:2: note: in expansion of macro 'file'
  130 |  file("JOI22_sugar");
      |  ^~~~

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 860 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Runtime error 1 ms 604 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Runtime error 1 ms 344 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 155 ms 30304 KB Output is correct
3 Correct 205 ms 43108 KB Output is correct
4 Correct 334 ms 68016 KB Output is correct
5 Correct 352 ms 67896 KB Output is correct
6 Correct 349 ms 48024 KB Output is correct
7 Correct 19 ms 4628 KB Output is correct
8 Correct 164 ms 25836 KB Output is correct
9 Correct 281 ms 39024 KB Output is correct
10 Correct 478 ms 69328 KB Output is correct
11 Correct 532 ms 69432 KB Output is correct
12 Correct 468 ms 69280 KB Output is correct
13 Correct 449 ms 69128 KB Output is correct
14 Correct 483 ms 69364 KB Output is correct
15 Correct 362 ms 68896 KB Output is correct
16 Correct 451 ms 69324 KB Output is correct
17 Correct 546 ms 69292 KB Output is correct
18 Correct 587 ms 69372 KB Output is correct
19 Correct 598 ms 69360 KB Output is correct
20 Correct 613 ms 69212 KB Output is correct
21 Correct 634 ms 69228 KB Output is correct
22 Correct 699 ms 69260 KB Output is correct
23 Correct 672 ms 69516 KB Output is correct
24 Correct 406 ms 69312 KB Output is correct
25 Correct 572 ms 69288 KB Output is correct

Subtask #4
0 / 52.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 2 ms 860 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Runtime error 1 ms 604 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -