oj.uz

Submission #171363

# Submission time Handle Problem Language Result Execution time Memory
171363 2019-12-28T11:38:34 Z Xellos Arranging Shoes (IOI19_shoes) C++17
100 / 100
 156 ms 15880 KB 
#include "shoes.h"

class fin {
	std::vector<int> T;
	
	int lastone(int x) { return x & (x ^ (x-1)); }

public:
	fin(int N) : T(N+1, 0) {}

	void put(int pos, int val) {
		for(int i = pos+1; i < (int)T.size(); i += lastone(i))
			T[i] += val;
	}

	int get(int pos) {
		int ret = 0;
		for(int i = pos+1; i > 0; i -= lastone(i))
			ret += T[i];
		return ret;
	}
};

long long count_swaps(std::vector<int> S) {
	int N = S.size()/2;
	std::vector<int> pos_l[100010], pos_r[100010];
	for(int i = 0; i < 2*N; i++) {
		if(S[i] < 0) pos_l[-S[i]].push_back(i);
		else pos_r[S[i]].push_back(i);
	}
	long long ret = 0;
	std::vector<int> next(2*N, 0);
	for(int i = 1; i <= N; i++)
		for(int j = 0; j < (int)pos_l[i].size(); j++)
			next[std::min(pos_l[i][j], pos_r[i][j])] = std::max(pos_l[i][j], pos_r[i][j]);
	fin F(2*N);
	for(int i = 0; i < 2*N; i++) F.put(i, 1);
	std::vector<char> live(2*N, 1);
	for(int i = 0; i < 2*N; i++) if(next[i]) {
		ret += F.get(next[i]-1) - F.get(i);
		F.put(next[i], -1);
	}
	for(int i = 1; i <= N; i++)
		for(int j = 0; j < (int)pos_l[i].size(); j++)
			if(pos_l[i][j] > pos_r[i][j]) ret++;
	return ret;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct
3 Correct 8 ms 4956 KB Output is correct
4 Correct 6 ms 5116 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4988 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 4 ms 5032 KB Output is correct
14 Correct 7 ms 4988 KB Output is correct
15 Correct 7 ms 5052 KB Output is correct
16 Correct 10 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 9 ms 4984 KB Output is correct
21 Correct 7 ms 4984 KB Output is correct
22 Correct 7 ms 4984 KB Output is correct
23 Correct 31 ms 4984 KB Output is correct
24 Correct 8 ms 4984 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 7 ms 4984 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 9 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 4984 KB Output is correct
33 Correct 7 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 19 ms 4984 KB Output is correct
36 Correct 7 ms 4984 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct
3 Correct 8 ms 4984 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 7 ms 4984 KB Output is correct
6 Correct 7 ms 4984 KB Output is correct
7 Correct 8 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 9 ms 4984 KB Output is correct
13 Correct 7 ms 4984 KB Output is correct
14 Correct 7 ms 4984 KB Output is correct
15 Correct 7 ms 4984 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 6 ms 4988 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 11 ms 5496 KB Output is correct
21 Correct 11 ms 5368 KB Output is correct
22 Correct 50 ms 9112 KB Output is correct
23 Correct 45 ms 9196 KB Output is correct
24 Correct 50 ms 9068 KB Output is correct
25 Correct 44 ms 9068 KB Output is correct
26 Correct 52 ms 9068 KB Output is correct
27 Correct 44 ms 9196 KB Output is correct
28 Correct 77 ms 9072 KB Output is correct
29 Correct 45 ms 9200 KB Output is correct
30 Correct 45 ms 9068 KB Output is correct
31 Correct 49 ms 9220 KB Output is correct
32 Correct 46 ms 9200 KB Output is correct
33 Correct 44 ms 9200 KB Output is correct
34 Correct 55 ms 9072 KB Output is correct
35 Correct 7 ms 4984 KB Output is correct
36 Correct 8 ms 4984 KB Output is correct
37 Correct 47 ms 9104 KB Output is correct
38 Correct 46 ms 9236 KB Output is correct
39 Correct 47 ms 9172 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 7 ms 4984 KB Output is correct
4 Correct 7 ms 4984 KB Output is correct
5 Correct 131 ms 14584 KB Output is correct
6 Correct 65 ms 11128 KB Output is correct
7 Correct 101 ms 15864 KB Output is correct
8 Correct 47 ms 10500 KB Output is correct
9 Correct 104 ms 15864 KB Output is correct
10 Correct 84 ms 12792 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct
3 Correct 8 ms 4956 KB Output is correct
4 Correct 6 ms 5116 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4988 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 4 ms 5032 KB Output is correct
14 Correct 7 ms 4988 KB Output is correct
15 Correct 7 ms 5052 KB Output is correct
16 Correct 10 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 9 ms 4984 KB Output is correct
21 Correct 7 ms 4984 KB Output is correct
22 Correct 7 ms 4984 KB Output is correct
23 Correct 31 ms 4984 KB Output is correct
24 Correct 8 ms 4984 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 7 ms 4984 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 9 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 4984 KB Output is correct
33 Correct 7 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 19 ms 4984 KB Output is correct
36 Correct 7 ms 4984 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 4984 KB Output is correct
40 Correct 6 ms 4984 KB Output is correct
41 Correct 7 ms 5112 KB Output is correct
42 Correct 7 ms 5084 KB Output is correct
43 Correct 7 ms 5116 KB Output is correct
44 Correct 7 ms 5112 KB Output is correct
45 Correct 7 ms 5112 KB Output is correct
46 Correct 7 ms 5112 KB Output is correct
47 Correct 6 ms 5112 KB Output is correct
48 Correct 7 ms 5112 KB Output is correct
49 Correct 7 ms 5112 KB Output is correct
50 Correct 6 ms 4984 KB Output is correct
51 Correct 7 ms 4984 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4992 KB Output is correct
3 Correct 8 ms 4956 KB Output is correct
4 Correct 6 ms 5116 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4988 KB Output is correct
9 Correct 7 ms 4984 KB Output is correct
10 Correct 7 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 4984 KB Output is correct
13 Correct 4 ms 5032 KB Output is correct
14 Correct 7 ms 4988 KB Output is correct
15 Correct 7 ms 5052 KB Output is correct
16 Correct 10 ms 4984 KB Output is correct
17 Correct 7 ms 4984 KB Output is correct
18 Correct 8 ms 4984 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 9 ms 4984 KB Output is correct
21 Correct 7 ms 4984 KB Output is correct
22 Correct 7 ms 4984 KB Output is correct
23 Correct 31 ms 4984 KB Output is correct
24 Correct 8 ms 4984 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 7 ms 4984 KB Output is correct
27 Correct 7 ms 4984 KB Output is correct
28 Correct 7 ms 4984 KB Output is correct
29 Correct 9 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 4984 KB Output is correct
33 Correct 7 ms 4984 KB Output is correct
34 Correct 7 ms 4984 KB Output is correct
35 Correct 19 ms 4984 KB Output is correct
36 Correct 7 ms 4984 KB Output is correct
37 Correct 8 ms 4984 KB Output is correct
38 Correct 7 ms 4984 KB Output is correct
39 Correct 7 ms 4984 KB Output is correct
40 Correct 7 ms 4984 KB Output is correct
41 Correct 8 ms 4984 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 6 ms 4984 KB Output is correct
44 Correct 6 ms 4984 KB Output is correct
45 Correct 2 ms 4956 KB Output is correct
46 Correct 9 ms 4984 KB Output is correct
47 Correct 7 ms 4984 KB Output is correct
48 Correct 7 ms 4984 KB Output is correct
49 Correct 7 ms 4984 KB Output is correct
50 Correct 7 ms 4984 KB Output is correct
51 Correct 7 ms 5112 KB Output is correct
52 Correct 6 ms 4988 KB Output is correct
53 Correct 7 ms 4984 KB Output is correct
54 Correct 11 ms 5496 KB Output is correct
55 Correct 11 ms 5368 KB Output is correct
56 Correct 50 ms 9112 KB Output is correct
57 Correct 45 ms 9196 KB Output is correct
58 Correct 50 ms 9068 KB Output is correct
59 Correct 44 ms 9068 KB Output is correct
60 Correct 52 ms 9068 KB Output is correct
61 Correct 44 ms 9196 KB Output is correct
62 Correct 77 ms 9072 KB Output is correct
63 Correct 45 ms 9200 KB Output is correct
64 Correct 45 ms 9068 KB Output is correct
65 Correct 49 ms 9220 KB Output is correct
66 Correct 46 ms 9200 KB Output is correct
67 Correct 44 ms 9200 KB Output is correct
68 Correct 55 ms 9072 KB Output is correct
69 Correct 7 ms 4984 KB Output is correct
70 Correct 8 ms 4984 KB Output is correct
71 Correct 47 ms 9104 KB Output is correct
72 Correct 46 ms 9236 KB Output is correct
73 Correct 47 ms 9172 KB Output is correct
74 Correct 7 ms 4984 KB Output is correct
75 Correct 6 ms 4984 KB Output is correct
76 Correct 7 ms 4984 KB Output is correct
77 Correct 7 ms 4984 KB Output is correct
78 Correct 131 ms 14584 KB Output is correct
79 Correct 65 ms 11128 KB Output is correct
80 Correct 101 ms 15864 KB Output is correct
81 Correct 47 ms 10500 KB Output is correct
82 Correct 104 ms 15864 KB Output is correct
83 Correct 84 ms 12792 KB Output is correct
84 Correct 6 ms 4984 KB Output is correct
85 Correct 6 ms 4984 KB Output is correct
86 Correct 6 ms 4984 KB Output is correct
87 Correct 6 ms 4984 KB Output is correct
88 Correct 7 ms 5112 KB Output is correct
89 Correct 7 ms 5084 KB Output is correct
90 Correct 7 ms 5116 KB Output is correct
91 Correct 7 ms 5112 KB Output is correct
92 Correct 7 ms 5112 KB Output is correct
93 Correct 7 ms 5112 KB Output is correct
94 Correct 6 ms 5112 KB Output is correct
95 Correct 7 ms 5112 KB Output is correct
96 Correct 7 ms 5112 KB Output is correct
97 Correct 6 ms 4984 KB Output is correct
98 Correct 7 ms 4984 KB Output is correct
99 Correct 7 ms 5112 KB Output is correct
100 Correct 7 ms 5112 KB Output is correct
101 Correct 15 ms 6008 KB Output is correct
102 Correct 13 ms 5652 KB Output is correct
103 Correct 117 ms 15864 KB Output is correct
104 Correct 156 ms 15880 KB Output is correct
105 Correct 125 ms 13176 KB Output is correct
106 Correct 122 ms 15844 KB Output is correct
107 Correct 69 ms 11256 KB Output is correct
108 Correct 86 ms 11512 KB Output is correct
109 Correct 48 ms 10736 KB Output is correct
110 Correct 53 ms 10480 KB Output is correct
111 Correct 119 ms 15096 KB Output is correct
112 Correct 132 ms 14456 KB Output is correct
113 Correct 68 ms 11128 KB Output is correct
114 Correct 107 ms 15864 KB Output is correct
115 Correct 97 ms 15864 KB Output is correct