oj.uz

Submission #955072

# Submission time Handle Problem Language Result Execution time Memory
955072 2024-03-29T10:23:24 Z Macker Arranging Shoes (IOI19_shoes) C++17
100 / 100
 482 ms 47184 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace __gnu_pbds;

using namespace std;

typedef long long ll;
typedef long double ld;
#define int ll
typedef pair<int, int> pii;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define FOR(i, n) for (int i = 0; i < n; i++)

typedef tree<
pair<int, pii>,
null_type,
less<pair<int, pii>>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

int count_swaps(vector<signed> s) {
	int n = s.size();
	map<int, int> m;
	vector<pii> v(n);
	FOR(i, n){
		v[i] = {s[i], m[s[i]]};
		m[s[i]]++;
	}
	ordered_set st;
	map<pii, int> pos;
	FOR(i, n){
		st.insert({i, v[i]});
		pos[v[i]] = i;
	}
	
	int res = 0;
	FOR(i, n / 2){
		pii cur = (*--st.end()).ss;
		pii ot = {-cur.ff, cur.ss};
		res += st.size() - st.order_of_key({pos[ot], ot}) - 2;
		if(cur.ff < 0) res++;
		st.erase(--st.end());
		st.erase({pos[ot], ot});
		/*
		for (auto &j : st) {
			cout << j.ff << " " << j.ss.ff << " " << j.ss.ss << "    ";	
		}
		cout << res << endl;
		*/
	}
	return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 428 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 428 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 436 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 436 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 424 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 428 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 436 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 13 ms 3676 KB Output is correct
21 Correct 13 ms 3676 KB Output is correct
22 Correct 230 ms 34492 KB Output is correct
23 Correct 220 ms 34568 KB Output is correct
24 Correct 224 ms 34772 KB Output is correct
25 Correct 201 ms 34372 KB Output is correct
26 Correct 221 ms 34568 KB Output is correct
27 Correct 215 ms 34340 KB Output is correct
28 Correct 197 ms 34356 KB Output is correct
29 Correct 199 ms 34384 KB Output is correct
30 Correct 198 ms 34388 KB Output is correct
31 Correct 232 ms 34572 KB Output is correct
32 Correct 195 ms 34640 KB Output is correct
33 Correct 199 ms 34132 KB Output is correct
34 Correct 198 ms 34388 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 195 ms 34748 KB Output is correct
38 Correct 200 ms 34384 KB Output is correct
39 Correct 193 ms 34384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 436 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 368 ms 46932 KB Output is correct
6 Correct 317 ms 35664 KB Output is correct
7 Correct 357 ms 46932 KB Output is correct
8 Correct 271 ms 34384 KB Output is correct
9 Correct 376 ms 46928 KB Output is correct
10 Correct 351 ms 40616 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 428 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 436 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 436 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 424 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 440 KB Output is correct
41 Correct 2 ms 860 KB Output is correct
42 Correct 2 ms 856 KB Output is correct
43 Correct 2 ms 860 KB Output is correct
44 Correct 2 ms 860 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 600 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 1 ms 696 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 2 ms 860 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 428 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 436 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 436 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 424 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 436 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 2 ms 604 KB Output is correct
53 Correct 2 ms 604 KB Output is correct
54 Correct 13 ms 3676 KB Output is correct
55 Correct 13 ms 3676 KB Output is correct
56 Correct 230 ms 34492 KB Output is correct
57 Correct 220 ms 34568 KB Output is correct
58 Correct 224 ms 34772 KB Output is correct
59 Correct 201 ms 34372 KB Output is correct
60 Correct 221 ms 34568 KB Output is correct
61 Correct 215 ms 34340 KB Output is correct
62 Correct 197 ms 34356 KB Output is correct
63 Correct 199 ms 34384 KB Output is correct
64 Correct 198 ms 34388 KB Output is correct
65 Correct 232 ms 34572 KB Output is correct
66 Correct 195 ms 34640 KB Output is correct
67 Correct 199 ms 34132 KB Output is correct
68 Correct 198 ms 34388 KB Output is correct
69 Correct 1 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 195 ms 34748 KB Output is correct
72 Correct 200 ms 34384 KB Output is correct
73 Correct 193 ms 34384 KB Output is correct
74 Correct 1 ms 348 KB Output is correct
75 Correct 1 ms 348 KB Output is correct
76 Correct 0 ms 436 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 368 ms 46932 KB Output is correct
79 Correct 317 ms 35664 KB Output is correct
80 Correct 357 ms 46932 KB Output is correct
81 Correct 271 ms 34384 KB Output is correct
82 Correct 376 ms 46928 KB Output is correct
83 Correct 351 ms 40616 KB Output is correct
84 Correct 1 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 1 ms 440 KB Output is correct
88 Correct 2 ms 860 KB Output is correct
89 Correct 2 ms 856 KB Output is correct
90 Correct 2 ms 860 KB Output is correct
91 Correct 2 ms 860 KB Output is correct
92 Correct 2 ms 604 KB Output is correct
93 Correct 2 ms 604 KB Output is correct
94 Correct 2 ms 604 KB Output is correct
95 Correct 2 ms 600 KB Output is correct
96 Correct 2 ms 604 KB Output is correct
97 Correct 1 ms 696 KB Output is correct
98 Correct 2 ms 604 KB Output is correct
99 Correct 2 ms 860 KB Output is correct
100 Correct 2 ms 860 KB Output is correct
101 Correct 23 ms 4952 KB Output is correct
102 Correct 21 ms 3812 KB Output is correct
103 Correct 482 ms 46884 KB Output is correct
104 Correct 390 ms 47072 KB Output is correct
105 Correct 442 ms 41552 KB Output is correct
106 Correct 372 ms 47184 KB Output is correct
107 Correct 369 ms 35924 KB Output is correct
108 Correct 376 ms 37336 KB Output is correct
109 Correct 275 ms 34568 KB Output is correct
110 Correct 196 ms 34384 KB Output is correct
111 Correct 352 ms 45648 KB Output is correct
112 Correct 448 ms 44116 KB Output is correct
113 Correct 359 ms 36064 KB Output is correct
114 Correct 379 ms 47184 KB Output is correct
115 Correct 382 ms 47020 KB Output is correct