oj.uz

답안 #366320

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
366320 2021-02-14T01:39:24 Z Rainbowbunny 운세 보기 2 (JOI14_fortune_telling2) C++17
35 / 100
 3000 ms 26272 KB 
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <chrono>
#include <random>
#include <bitset>
#include <utility>

int n, k;
int A[200005], B[200005];
int l[200005], r[200005];
int q[200005];

int BIT[200005];

void Add(int id, int value)
{
	for(id; id <= k; id += id & -id)
	{
		BIT[id] += value;
	}
}

int Get(int id)
{
	int ans = 0;
	for(id; id > 0; id -= id & -id)
	{
		ans += BIT[id];
	}
	return ans;
}

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(0);
	std::cout.tie(0);
	std::cin >> n >> k;
	for(int i = 1; i <= n; i++)
	{
		std::cin >> A[i] >> B[i];
		l[i] = 0;
		r[i] = k;		
	}
	for(int i = 1; i <= k; i++)
	{
		std::cin >> q[i];
	}
	for(int turn = 1; turn <= 20; turn++)
	{
		std::vector <std::vector <int> > Query(k + 1, std::vector <int> ());;
		for(int i = 1; i <= n; i++)
		{
			int mid = (l[i] + r[i] + 1) >> 1;
			if(l[i] != r[i])
				Query[mid].push_back(i);
		}
		std::set <int> S;
		for(int i = k; i > 0; i--)
		{
			S.insert(q[i]);
			for(auto x : Query[i])
			{
				auto value = S.lower_bound(std::min(A[x], B[x]));
				if(value != S.end() and *value < std::max(A[x], B[x]))
				{
					l[x] = i;
				}
				else
				{
					r[x] = i - 1;
				}
			}
		}
	}
	long long ans = 0;
	std::vector <std::vector <int> > Query(k + 1, std::vector <int> ());
	std::vector <int> Q;
	for(int i = 1; i <= k; i++)
	{
		Q.push_back(q[i]);
	}
	Q.push_back(0);
	std::sort(Q.begin(), Q.end());
	Q.erase(unique(Q.begin(), Q.end()), Q.end());
	for(int i = 1; i <= n; i++)
	{
		Query[l[i]].push_back(i);
	}
	for(int i = k; i >= 0; i--)
	{
		for(auto x : Query[i])
		{
			bool turn = (i == 0) ? 0 : A[x] < B[x];
			int cnt = k - i - Get(lower_bound(Q.begin(), Q.end(), std::max(A[x], B[x])) - Q.begin() - 1);
			turn ^= (cnt & 1);
			if(turn)
			{
				ans += B[x];
			}
			else
			{
				ans += A[x];
			}
		}
		if(i)
		{
			Add(lower_bound(Q.begin(), Q.end(), q[i]) - Q.begin(), 1);
		}
	}
	std::cout << ans << '\n';
}

Compilation message

fortune_telling2.cpp: In function 'void Add(int, int)':
fortune_telling2.cpp:25:6: warning: statement has no effect [-Wunused-value]
   25 |  for(id; id <= k; id += id & -id)
      |      ^~
fortune_telling2.cpp: In function 'int Get(int)':
fortune_telling2.cpp:34:6: warning: statement has no effect [-Wunused-value]
   34 |  for(id; id > 0; id -= id & -id)
      |      ^~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 492 KB Output is correct
2 Correct 5 ms 492 KB Output is correct
3 Correct 5 ms 492 KB Output is correct
4 Correct 5 ms 492 KB Output is correct
5 Correct 5 ms 492 KB Output is correct
6 Correct 5 ms 492 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 492 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 6 ms 492 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 492 KB Output is correct
2 Correct 5 ms 492 KB Output is correct
3 Correct 5 ms 492 KB Output is correct
4 Correct 5 ms 492 KB Output is correct
5 Correct 5 ms 492 KB Output is correct
6 Correct 5 ms 492 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 492 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 6 ms 492 KB Output is correct
14 Correct 60 ms 1664 KB Output is correct
15 Correct 136 ms 3028 KB Output is correct
16 Correct 222 ms 4316 KB Output is correct
17 Correct 304 ms 5668 KB Output is correct
18 Correct 308 ms 5540 KB Output is correct
19 Correct 304 ms 5576 KB Output is correct
20 Correct 309 ms 5700 KB Output is correct
21 Correct 294 ms 5540 KB Output is correct
22 Correct 247 ms 4644 KB Output is correct
23 Correct 239 ms 4516 KB Output is correct
24 Correct 247 ms 4580 KB Output is correct
25 Correct 255 ms 4900 KB Output is correct
26 Correct 276 ms 5348 KB Output is correct
27 Correct 324 ms 5796 KB Output is correct
28 Correct 270 ms 5668 KB Output is correct
29 Correct 391 ms 5668 KB Output is correct

Subtask #3
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 492 KB Output is correct
2 Correct 5 ms 492 KB Output is correct
3 Correct 5 ms 492 KB Output is correct
4 Correct 5 ms 492 KB Output is correct
5 Correct 5 ms 492 KB Output is correct
6 Correct 5 ms 492 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 492 KB Output is correct
9 Correct 5 ms 492 KB Output is correct
10 Correct 4 ms 492 KB Output is correct
11 Correct 5 ms 492 KB Output is correct
12 Correct 5 ms 492 KB Output is correct
13 Correct 6 ms 492 KB Output is correct
14 Correct 60 ms 1664 KB Output is correct
15 Correct 136 ms 3028 KB Output is correct
16 Correct 222 ms 4316 KB Output is correct
17 Correct 304 ms 5668 KB Output is correct
18 Correct 308 ms 5540 KB Output is correct
19 Correct 304 ms 5576 KB Output is correct
20 Correct 309 ms 5700 KB Output is correct
21 Correct 294 ms 5540 KB Output is correct
22 Correct 247 ms 4644 KB Output is correct
23 Correct 239 ms 4516 KB Output is correct
24 Correct 247 ms 4580 KB Output is correct
25 Correct 255 ms 4900 KB Output is correct
26 Correct 276 ms 5348 KB Output is correct
27 Correct 324 ms 5796 KB Output is correct
28 Correct 270 ms 5668 KB Output is correct
29 Correct 391 ms 5668 KB Output is correct
30 Correct 2793 ms 18540 KB Output is correct
31 Correct 2664 ms 20016 KB Output is correct
32 Correct 2844 ms 22192 KB Output is correct
33 Correct 2987 ms 26156 KB Output is correct
34 Correct 2741 ms 17996 KB Output is correct
35 Execution timed out 3070 ms 26272 KB Time limit exceeded
36 Halted 0 ms 0 KB -