oj.uz

Submission #143715

# Submission time Handle Problem Language Result Execution time Memory
143715 2019-08-14T23:58:37 Z joseacaz Arranging Shoes (IOI19_shoes) C++14
100 / 100
 650 ms 148444 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int MAXN = 100005;

int N;
vi BIT ( 2 * MAXN );
map<int, deque<int>> pos;

ll qry ( int x )
{
	x = N - x;
	ll res = 0;
	for ( ; x; x -= (x & -x) )
		res += BIT[x];
	return res;
}

void upd ( int x )
{
	x = N - x;
	for ( ; x < N; x += (x & -x) )
		BIT[x]++;
}

ll count_swaps ( vi s )
{
	N = s.size();
	vi nxt ( N, 0 ), vis ( N, 0 );
	ll ans = 0;
	for ( int i = 0; i < N; i++ )
	{
		if ( pos[-s[i]].empty() )
			pos[s[i]].push_back ( i + 1 );
		else
			nxt[pos[-s[i]].front() - 1] = i, pos[-s[i]].pop_front();
	}
	
	for ( int i = 0; i < N; i++ )
	{
		if ( vis[i] )
			continue;
		
		ans += (nxt[i] + qry(nxt[i])) - (i + qry(i)) - 1;
		upd ( nxt[i] );
		vis[nxt[i]] = 1;
		if ( s[i] > 0 )
			ans++;
	}
	
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 2 ms 1144 KB Output is correct
4 Correct 2 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1144 KB Output is correct
11 Correct 2 ms 1148 KB Output is correct
12 Correct 2 ms 1144 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 1144 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 3 ms 1144 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 3 ms 1144 KB Output is correct
21 Correct 3 ms 1144 KB Output is correct
22 Correct 2 ms 1144 KB Output is correct
23 Correct 3 ms 1144 KB Output is correct
24 Correct 3 ms 1144 KB Output is correct
25 Correct 3 ms 1144 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 3 ms 1144 KB Output is correct
28 Correct 3 ms 1144 KB Output is correct
29 Correct 3 ms 1144 KB Output is correct
30 Correct 3 ms 1144 KB Output is correct
31 Correct 3 ms 1120 KB Output is correct
32 Correct 1 ms 1144 KB Output is correct
33 Correct 3 ms 1148 KB Output is correct
34 Correct 3 ms 1144 KB Output is correct
35 Correct 3 ms 1144 KB Output is correct
36 Correct 3 ms 1144 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 2 ms 1144 KB Output is correct
4 Correct 3 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1148 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 4 ms 1144 KB Output is correct
10 Correct 3 ms 1144 KB Output is correct
11 Correct 3 ms 1144 KB Output is correct
12 Correct 3 ms 1144 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 3 ms 1144 KB Output is correct
15 Correct 3 ms 1148 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 3 ms 1144 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 6 ms 1400 KB Output is correct
21 Correct 6 ms 1400 KB Output is correct
22 Correct 40 ms 4216 KB Output is correct
23 Correct 36 ms 4188 KB Output is correct
24 Correct 40 ms 4396 KB Output is correct
25 Correct 34 ms 4632 KB Output is correct
26 Correct 54 ms 4344 KB Output is correct
27 Correct 33 ms 4216 KB Output is correct
28 Correct 36 ms 4700 KB Output is correct
29 Correct 35 ms 4600 KB Output is correct
30 Correct 36 ms 4664 KB Output is correct
31 Correct 40 ms 4216 KB Output is correct
32 Correct 35 ms 4624 KB Output is correct
33 Correct 34 ms 4600 KB Output is correct
34 Correct 36 ms 4628 KB Output is correct
35 Correct 6 ms 1144 KB Output is correct
36 Correct 3 ms 1044 KB Output is correct
37 Correct 35 ms 4604 KB Output is correct
38 Correct 36 ms 4624 KB Output is correct
39 Correct 35 ms 4732 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1068 KB Output is correct
2 Correct 3 ms 1192 KB Output is correct
3 Correct 3 ms 1144 KB Output is correct
4 Correct 3 ms 1144 KB Output is correct
5 Correct 569 ms 148396 KB Output is correct
6 Correct 167 ms 16916 KB Output is correct
7 Correct 560 ms 148244 KB Output is correct
8 Correct 45 ms 4600 KB Output is correct
9 Correct 650 ms 148444 KB Output is correct
10 Correct 460 ms 76272 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 2 ms 1144 KB Output is correct
4 Correct 2 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1144 KB Output is correct
11 Correct 2 ms 1148 KB Output is correct
12 Correct 2 ms 1144 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 1144 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 3 ms 1144 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 3 ms 1144 KB Output is correct
21 Correct 3 ms 1144 KB Output is correct
22 Correct 2 ms 1144 KB Output is correct
23 Correct 3 ms 1144 KB Output is correct
24 Correct 3 ms 1144 KB Output is correct
25 Correct 3 ms 1144 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 3 ms 1144 KB Output is correct
28 Correct 3 ms 1144 KB Output is correct
29 Correct 3 ms 1144 KB Output is correct
30 Correct 3 ms 1144 KB Output is correct
31 Correct 3 ms 1120 KB Output is correct
32 Correct 1 ms 1144 KB Output is correct
33 Correct 3 ms 1148 KB Output is correct
34 Correct 3 ms 1144 KB Output is correct
35 Correct 3 ms 1144 KB Output is correct
36 Correct 3 ms 1144 KB Output is correct
37 Correct 3 ms 1144 KB Output is correct
38 Correct 3 ms 1144 KB Output is correct
39 Correct 3 ms 1272 KB Output is correct
40 Correct 3 ms 1400 KB Output is correct
41 Correct 6 ms 2552 KB Output is correct
42 Correct 5 ms 2552 KB Output is correct
43 Correct 6 ms 2424 KB Output is correct
44 Correct 5 ms 2296 KB Output is correct
45 Correct 4 ms 2044 KB Output is correct
46 Correct 5 ms 1912 KB Output is correct
47 Correct 4 ms 1784 KB Output is correct
48 Correct 4 ms 1528 KB Output is correct
49 Correct 4 ms 1400 KB Output is correct
50 Correct 3 ms 1148 KB Output is correct
51 Correct 3 ms 1144 KB Output is correct
52 Correct 5 ms 2552 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 2 ms 1144 KB Output is correct
4 Correct 2 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1144 KB Output is correct
11 Correct 2 ms 1148 KB Output is correct
12 Correct 2 ms 1144 KB Output is correct
13 Correct 3 ms 1144 KB Output is correct
14 Correct 3 ms 1116 KB Output is correct
15 Correct 3 ms 1144 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 3 ms 1144 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 3 ms 1144 KB Output is correct
21 Correct 3 ms 1144 KB Output is correct
22 Correct 2 ms 1144 KB Output is correct
23 Correct 3 ms 1144 KB Output is correct
24 Correct 3 ms 1144 KB Output is correct
25 Correct 3 ms 1144 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 3 ms 1144 KB Output is correct
28 Correct 3 ms 1144 KB Output is correct
29 Correct 3 ms 1144 KB Output is correct
30 Correct 3 ms 1144 KB Output is correct
31 Correct 3 ms 1120 KB Output is correct
32 Correct 1 ms 1144 KB Output is correct
33 Correct 3 ms 1148 KB Output is correct
34 Correct 3 ms 1144 KB Output is correct
35 Correct 3 ms 1144 KB Output is correct
36 Correct 3 ms 1144 KB Output is correct
37 Correct 2 ms 1144 KB Output is correct
38 Correct 3 ms 1144 KB Output is correct
39 Correct 3 ms 1144 KB Output is correct
40 Correct 3 ms 1148 KB Output is correct
41 Correct 3 ms 1144 KB Output is correct
42 Correct 3 ms 1144 KB Output is correct
43 Correct 4 ms 1144 KB Output is correct
44 Correct 3 ms 1144 KB Output is correct
45 Correct 3 ms 1144 KB Output is correct
46 Correct 3 ms 1144 KB Output is correct
47 Correct 3 ms 1144 KB Output is correct
48 Correct 3 ms 1144 KB Output is correct
49 Correct 3 ms 1148 KB Output is correct
50 Correct 3 ms 1144 KB Output is correct
51 Correct 3 ms 1144 KB Output is correct
52 Correct 3 ms 1144 KB Output is correct
53 Correct 3 ms 1144 KB Output is correct
54 Correct 6 ms 1400 KB Output is correct
55 Correct 6 ms 1400 KB Output is correct
56 Correct 40 ms 4216 KB Output is correct
57 Correct 36 ms 4188 KB Output is correct
58 Correct 40 ms 4396 KB Output is correct
59 Correct 34 ms 4632 KB Output is correct
60 Correct 54 ms 4344 KB Output is correct
61 Correct 33 ms 4216 KB Output is correct
62 Correct 36 ms 4700 KB Output is correct
63 Correct 35 ms 4600 KB Output is correct
64 Correct 36 ms 4664 KB Output is correct
65 Correct 40 ms 4216 KB Output is correct
66 Correct 35 ms 4624 KB Output is correct
67 Correct 34 ms 4600 KB Output is correct
68 Correct 36 ms 4628 KB Output is correct
69 Correct 6 ms 1144 KB Output is correct
70 Correct 3 ms 1044 KB Output is correct
71 Correct 35 ms 4604 KB Output is correct
72 Correct 36 ms 4624 KB Output is correct
73 Correct 35 ms 4732 KB Output is correct
74 Correct 3 ms 1068 KB Output is correct
75 Correct 3 ms 1192 KB Output is correct
76 Correct 3 ms 1144 KB Output is correct
77 Correct 3 ms 1144 KB Output is correct
78 Correct 569 ms 148396 KB Output is correct
79 Correct 167 ms 16916 KB Output is correct
80 Correct 560 ms 148244 KB Output is correct
81 Correct 45 ms 4600 KB Output is correct
82 Correct 650 ms 148444 KB Output is correct
83 Correct 460 ms 76272 KB Output is correct
84 Correct 3 ms 1144 KB Output is correct
85 Correct 3 ms 1144 KB Output is correct
86 Correct 3 ms 1272 KB Output is correct
87 Correct 3 ms 1400 KB Output is correct
88 Correct 6 ms 2552 KB Output is correct
89 Correct 5 ms 2552 KB Output is correct
90 Correct 6 ms 2424 KB Output is correct
91 Correct 5 ms 2296 KB Output is correct
92 Correct 4 ms 2044 KB Output is correct
93 Correct 5 ms 1912 KB Output is correct
94 Correct 4 ms 1784 KB Output is correct
95 Correct 4 ms 1528 KB Output is correct
96 Correct 4 ms 1400 KB Output is correct
97 Correct 3 ms 1148 KB Output is correct
98 Correct 3 ms 1144 KB Output is correct
99 Correct 5 ms 2552 KB Output is correct
100 Correct 5 ms 2556 KB Output is correct
101 Correct 41 ms 14456 KB Output is correct
102 Correct 17 ms 4344 KB Output is correct
103 Correct 617 ms 148404 KB Output is correct
104 Correct 530 ms 148296 KB Output is correct
105 Correct 474 ms 86236 KB Output is correct
106 Correct 623 ms 148316 KB Output is correct
107 Correct 178 ms 20216 KB Output is correct
108 Correct 220 ms 36240 KB Output is correct
109 Correct 38 ms 4600 KB Output is correct
110 Correct 36 ms 4732 KB Output is correct
111 Correct 545 ms 132180 KB Output is correct
112 Correct 500 ms 116344 KB Output is correct
113 Correct 198 ms 22008 KB Output is correct
114 Correct 587 ms 148320 KB Output is correct
115 Correct 575 ms 148312 KB Output is correct