oj.uz

Submission #143379

# Submission time Handle Problem Language Result Execution time Memory
143379 2019-08-13T21:55:32 Z ondrah Arranging Shoes (IOI19_shoes) C++14
85 / 100
 1000 ms 39504 KB 
#include "shoes.h"
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update
#include <set>
#include <map>

using namespace std;
using namespace __gnu_pbds;
typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

long long count_swaps(std::vector<int> s) {
	long long ans = 0;
	int n = s.size();
	ordered_set els;
	map<int, set<int>> M;
	for(int i = 0; i < n; i++) {
		els.insert(i);
		M[s[i]].insert(i);
	}
	for(int i = 0; i < n; i++) {
		if(s[i] == n+2)
			continue;
		int j = *M[-s[i]].begin();
       M[s[i]].erase(M[s[i]].begin());
		M[-s[i]].erase(M[-s[i]].begin());
		int pos1 = els.order_of_key(i);
		int pos2 = els.order_of_key(j);
		els.erase(els.find(j));
		ans += pos2-pos1-1;

		if(s[i] > 0) ans++;
            s[i] = s[j] = n+2;
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 404 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 348 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 252 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 508 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 22 ms 2296 KB Output is correct
21 Correct 24 ms 2424 KB Output is correct
22 Correct 276 ms 20704 KB Output is correct
23 Correct 292 ms 20616 KB Output is correct
24 Correct 271 ms 20720 KB Output is correct
25 Correct 278 ms 20652 KB Output is correct
26 Correct 271 ms 20648 KB Output is correct
27 Correct 291 ms 20712 KB Output is correct
28 Correct 281 ms 20656 KB Output is correct
29 Correct 281 ms 20712 KB Output is correct
30 Correct 278 ms 20740 KB Output is correct
31 Correct 272 ms 20700 KB Output is correct
32 Correct 277 ms 20676 KB Output is correct
33 Correct 279 ms 20668 KB Output is correct
34 Correct 281 ms 20608 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 282 ms 20604 KB Output is correct
38 Correct 275 ms 20712 KB Output is correct
39 Correct 282 ms 20608 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 791 ms 39504 KB Output is correct
6 Correct 483 ms 22436 KB Output is correct
7 Correct 798 ms 39500 KB Output is correct
8 Correct 269 ms 20600 KB Output is correct
9 Correct 800 ms 39492 KB Output is correct
10 Correct 552 ms 30104 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 404 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 348 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 5 ms 632 KB Output is correct
42 Correct 4 ms 760 KB Output is correct
43 Correct 4 ms 632 KB Output is correct
44 Correct 5 ms 632 KB Output is correct
45 Correct 4 ms 632 KB Output is correct
46 Correct 4 ms 632 KB Output is correct
47 Correct 4 ms 504 KB Output is correct
48 Correct 4 ms 532 KB Output is correct
49 Correct 4 ms 504 KB Output is correct
50 Correct 3 ms 504 KB Output is correct
51 Correct 3 ms 504 KB Output is correct
52 Correct 5 ms 632 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 404 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 348 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 348 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 252 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 256 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 2 ms 256 KB Output is correct
44 Correct 0 ms 256 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 256 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 508 KB Output is correct
53 Correct 3 ms 504 KB Output is correct
54 Correct 22 ms 2296 KB Output is correct
55 Correct 24 ms 2424 KB Output is correct
56 Correct 276 ms 20704 KB Output is correct
57 Correct 292 ms 20616 KB Output is correct
58 Correct 271 ms 20720 KB Output is correct
59 Correct 278 ms 20652 KB Output is correct
60 Correct 271 ms 20648 KB Output is correct
61 Correct 291 ms 20712 KB Output is correct
62 Correct 281 ms 20656 KB Output is correct
63 Correct 281 ms 20712 KB Output is correct
64 Correct 278 ms 20740 KB Output is correct
65 Correct 272 ms 20700 KB Output is correct
66 Correct 277 ms 20676 KB Output is correct
67 Correct 279 ms 20668 KB Output is correct
68 Correct 281 ms 20608 KB Output is correct
69 Correct 2 ms 256 KB Output is correct
70 Correct 2 ms 256 KB Output is correct
71 Correct 282 ms 20604 KB Output is correct
72 Correct 275 ms 20712 KB Output is correct
73 Correct 282 ms 20608 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 256 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 256 KB Output is correct
78 Correct 791 ms 39504 KB Output is correct
79 Correct 483 ms 22436 KB Output is correct
80 Correct 798 ms 39500 KB Output is correct
81 Correct 269 ms 20600 KB Output is correct
82 Correct 800 ms 39492 KB Output is correct
83 Correct 552 ms 30104 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 256 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 2 ms 376 KB Output is correct
88 Correct 5 ms 632 KB Output is correct
89 Correct 4 ms 760 KB Output is correct
90 Correct 4 ms 632 KB Output is correct
91 Correct 5 ms 632 KB Output is correct
92 Correct 4 ms 632 KB Output is correct
93 Correct 4 ms 632 KB Output is correct
94 Correct 4 ms 504 KB Output is correct
95 Correct 4 ms 532 KB Output is correct
96 Correct 4 ms 504 KB Output is correct
97 Correct 3 ms 504 KB Output is correct
98 Correct 3 ms 504 KB Output is correct
99 Correct 5 ms 632 KB Output is correct
100 Correct 5 ms 632 KB Output is correct
101 Correct 41 ms 4080 KB Output is correct
102 Correct 33 ms 2748 KB Output is correct
103 Execution timed out 1016 ms 39500 KB Time limit exceeded
104 Halted 0 ms 0 KB -