oj.uz

Submission #946446

# Submission time Handle Problem Language Result Execution time Memory
946446 2024-03-14T16:35:57 Z infrapolar Happiness (Balkan15_HAPPINESS) C++17
30 / 100
 1329 ms 524288 KB 
#include "happiness.h"
#include <cstdint>
#include <algorithm>
#include <functional>
#include <unordered_map>
using namespace std;
int64_t tree_size = 1e18; // M*(N+K*Q)
int64_t tree_block = 8e5; // N+K*Q
struct Node{
	Node *left = nullptr, *right = nullptr;
	int64_t node_l, node_r;
	int64_t mn_diff = 0; //S - i
	int64_t lazy = 0;
	Node(int64_t node_l, int64_t node_r) : node_l(node_l), node_r(node_r){}
	void add_lazy(int64_t _lazy){
		lazy += _lazy;
		mn_diff += _lazy;
	}
	void check_children(){
		if (left == nullptr){
			int64_t mid = (node_l + node_r)/2;
			left = new Node(node_l, mid);
			right = new Node(mid+1, node_r);
		}
	}
	void push(){
		check_children();
		left->add_lazy(lazy);
		right->add_lazy(lazy);
		lazy = 0;
	}
	void add(int64_t l, int64_t r, int64_t x){
		if (l > node_r || r < node_l)
			return;
		if (l <= node_l && node_r <= r)
			return add_lazy(x);
		push();
		left->add(l, r, x);
		right->add(l, r, x);
		mn_diff = min(left->mn_diff, right->mn_diff);
	}


};
unordered_map<int64_t, int64_t> cur_ptr;
Node root = Node(0, tree_size);
int64_t inf = tree_size*2;
int64_t M;
int64_t find_to_insert(int64_t x){
	return (tree_block * x) + (cur_ptr[x]++);
}
int64_t find_to_delete(int64_t x){
	return (tree_block * x) + (--cur_ptr[x]);
}

bool is_happy(int event, int coinsCount, long long coins[]) {
	int sign = event;
	function<int64_t(int64_t)> find_place = find_to_insert;
	if (event == -1)
		find_place = find_to_delete;
	for (int i = 0; i < coinsCount; i++)
	{
		int64_t place = find_place(coins[i]);
		root.add(place, place, (-inf-coins[i]) * sign );
		root.add(place+1, tree_size, sign * coins[i]);
	}
	

	return root.mn_diff >= 0;
}
bool init(int coinsCount, long long maxCoinSize, long long coins[]) {
	M = maxCoinSize;
	root.add(0, tree_size, 1);
	root.add(0, tree_size, inf);
	
	return is_happy(1, coinsCount, coins);
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:16:12: warning: unused variable 'max_code' [-Wunused-variable]
   16 |  long long max_code;
      |            ^~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 612 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 692 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 612 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 692 KB Output is correct
6 Correct 8 ms 7004 KB Output is correct
7 Correct 7 ms 7772 KB Output is correct
8 Correct 69 ms 61712 KB Output is correct
9 Correct 69 ms 62548 KB Output is correct
10 Correct 63 ms 59988 KB Output is correct

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 612 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 692 KB Output is correct
6 Correct 1313 ms 522532 KB Output is correct
7 Correct 1226 ms 514392 KB Output is correct
8 Correct 1251 ms 523324 KB Output is correct
9 Runtime error 1329 ms 524288 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 612 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 856 KB Output is correct
5 Correct 1 ms 692 KB Output is correct
6 Correct 8 ms 7004 KB Output is correct
7 Correct 7 ms 7772 KB Output is correct
8 Correct 69 ms 61712 KB Output is correct
9 Correct 69 ms 62548 KB Output is correct
10 Correct 63 ms 59988 KB Output is correct
11 Correct 1313 ms 522532 KB Output is correct
12 Correct 1226 ms 514392 KB Output is correct
13 Correct 1251 ms 523324 KB Output is correct
14 Runtime error 1329 ms 524288 KB Execution killed with signal 9
15 Halted 0 ms 0 KB -