oj.uz

Submission #433207

# Submission time Handle Problem Language Result Execution time Memory
433207 2021-06-19T08:16:52 Z kostia244 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 479 ms 27076 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define all(x) begin(x), end(x)
long long count_swaps(std::vector<int> s) {
	ll res = 0;
	int n = s.size()/2;
	vector<ll> fen(2*n+1);
	auto add = [&](int x) {
		for(; x <= 2*n; x += x&-x) fen[x]++;
	};
	auto get = [&](int x) {
		int res = 0;
		add(x);
		for(; x; x -= x&-x)
			res += fen[x];
		return res;
	};
	vector<int> b(2*n);
	map<int, vector<int>> ass;
	for(int i = 0; i < 2*n; i++) ass[s[i]].push_back(i);
	for(auto &[a, b] : ass) reverse(all(b));

	vector<int> v(2*n, -69);
	for(int j = 0, i = 0; i < 2*n; i++) if(-69 == v[i]) {
		v[i] = ++j;
		v[ass[-s[i]].back()] = ++j;
		ass[s[i]].pop_back();
		ass[-s[i]].pop_back();
		res += s[i] > 0;
	}
	//for(auto &i : v) cout << i << " "; cout << endl;
	for(int i = 0; i < 2*n; i++) b[v[i]-1] = i+1;
	int cur = 0;
	for(auto i : b) {
		//cout << _ << " " << __ << " " << i << endl;
		//cout << i << " ";

		res += ++cur - get(i);
		//cout << i << " " << res << endl;
	}
	return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 4 ms 868 KB Output is correct
21 Correct 4 ms 844 KB Output is correct
22 Correct 38 ms 5844 KB Output is correct
23 Correct 36 ms 5928 KB Output is correct
24 Correct 40 ms 5916 KB Output is correct
25 Correct 35 ms 5816 KB Output is correct
26 Correct 40 ms 5944 KB Output is correct
27 Correct 37 ms 6080 KB Output is correct
28 Correct 36 ms 5800 KB Output is correct
29 Correct 36 ms 5808 KB Output is correct
30 Correct 37 ms 5900 KB Output is correct
31 Correct 40 ms 5912 KB Output is correct
32 Correct 37 ms 5828 KB Output is correct
33 Correct 35 ms 5812 KB Output is correct
34 Correct 36 ms 5816 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 37 ms 5800 KB Output is correct
38 Correct 42 ms 5844 KB Output is correct
39 Correct 36 ms 5808 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 468 ms 26832 KB Output is correct
6 Correct 125 ms 7836 KB Output is correct
7 Correct 381 ms 26924 KB Output is correct
8 Correct 41 ms 5860 KB Output is correct
9 Correct 381 ms 26996 KB Output is correct
10 Correct 290 ms 15924 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 2 ms 460 KB Output is correct
43 Correct 2 ms 460 KB Output is correct
44 Correct 2 ms 460 KB Output is correct
45 Correct 2 ms 460 KB Output is correct
46 Correct 2 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 2 ms 460 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 208 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 0 ms 204 KB Output is correct
35 Correct 0 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 0 ms 204 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 0 ms 204 KB Output is correct
42 Correct 0 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 1 ms 204 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 4 ms 868 KB Output is correct
55 Correct 4 ms 844 KB Output is correct
56 Correct 38 ms 5844 KB Output is correct
57 Correct 36 ms 5928 KB Output is correct
58 Correct 40 ms 5916 KB Output is correct
59 Correct 35 ms 5816 KB Output is correct
60 Correct 40 ms 5944 KB Output is correct
61 Correct 37 ms 6080 KB Output is correct
62 Correct 36 ms 5800 KB Output is correct
63 Correct 36 ms 5808 KB Output is correct
64 Correct 37 ms 5900 KB Output is correct
65 Correct 40 ms 5912 KB Output is correct
66 Correct 37 ms 5828 KB Output is correct
67 Correct 35 ms 5812 KB Output is correct
68 Correct 36 ms 5816 KB Output is correct
69 Correct 1 ms 204 KB Output is correct
70 Correct 1 ms 204 KB Output is correct
71 Correct 37 ms 5800 KB Output is correct
72 Correct 42 ms 5844 KB Output is correct
73 Correct 36 ms 5808 KB Output is correct
74 Correct 1 ms 204 KB Output is correct
75 Correct 0 ms 204 KB Output is correct
76 Correct 0 ms 204 KB Output is correct
77 Correct 1 ms 204 KB Output is correct
78 Correct 468 ms 26832 KB Output is correct
79 Correct 125 ms 7836 KB Output is correct
80 Correct 381 ms 26924 KB Output is correct
81 Correct 41 ms 5860 KB Output is correct
82 Correct 381 ms 26996 KB Output is correct
83 Correct 290 ms 15924 KB Output is correct
84 Correct 0 ms 204 KB Output is correct
85 Correct 1 ms 204 KB Output is correct
86 Correct 1 ms 204 KB Output is correct
87 Correct 1 ms 332 KB Output is correct
88 Correct 2 ms 460 KB Output is correct
89 Correct 2 ms 460 KB Output is correct
90 Correct 2 ms 460 KB Output is correct
91 Correct 2 ms 460 KB Output is correct
92 Correct 2 ms 460 KB Output is correct
93 Correct 2 ms 332 KB Output is correct
94 Correct 1 ms 332 KB Output is correct
95 Correct 1 ms 332 KB Output is correct
96 Correct 1 ms 332 KB Output is correct
97 Correct 1 ms 332 KB Output is correct
98 Correct 1 ms 332 KB Output is correct
99 Correct 2 ms 460 KB Output is correct
100 Correct 2 ms 460 KB Output is correct
101 Correct 17 ms 2832 KB Output is correct
102 Correct 12 ms 1372 KB Output is correct
103 Correct 479 ms 27044 KB Output is correct
104 Correct 360 ms 26944 KB Output is correct
105 Correct 352 ms 17696 KB Output is correct
106 Correct 404 ms 27008 KB Output is correct
107 Correct 134 ms 8388 KB Output is correct
108 Correct 199 ms 10528 KB Output is correct
109 Correct 38 ms 6460 KB Output is correct
110 Correct 36 ms 5952 KB Output is correct
111 Correct 366 ms 24604 KB Output is correct
112 Correct 419 ms 22272 KB Output is correct
113 Correct 147 ms 8516 KB Output is correct
114 Correct 445 ms 27064 KB Output is correct
115 Correct 402 ms 27076 KB Output is correct