oj.uz

Submission #251920

# Submission time Handle Problem Language Result Execution time Memory
251920 2020-07-23T06:16:03 Z Dilshod_Imomov Arranging Shoes (IOI19_shoes) C++17
100 / 100
 332 ms 277624 KB 
# include <bits/stdc++.h>
# define ll long long
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;

# include <ext/pb_ds/assoc_container.hpp> 
# include <ext/pb_ds/tree_policy.hpp> 
using namespace __gnu_pbds; 

# define oset tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
 
const int MAX_N = 100007;
 
ll count_swaps( vector < int > s ) {
	speed;
	ll n = s.size(), sz = 0;
	
	ll ans = 0;
	vector < int > used(n);
	oset ids;
	vector < queue < int > > vc(4 * MAX_N); 
	for ( int i = 0; i < n; i++ ) {
		s[i] += MAX_N;
		vc[s[i]].push( i );
	}
	// cout << "Done 1" << endl;
	for ( int i = 0; i < n; i++ ) {
		if ( used[i] ) {
			continue;
		}
		s[i] -= MAX_N;
		int l = i, r = vc[-s[i] + MAX_N].front();
		// cout << "Done 2 " << l << ' ' << r << endl;
		vc[ s[i] + MAX_N ].pop();
		int rr = r;
		used[r] = 1;
		vc[-s[i] + MAX_N].pop();
		int x = sz - ids.order_of_key(i + 1);
		l += x;
		x = sz - ids.order_of_key(r + 1);
		r += x;
		ans += r - l - 1;
		if ( s[i] > 0 ) {
			ans++;
		}
		sz++;
		ids.insert( rr );
	}
	return ans; 
}
/*
int main() {
	ll n;
	cin >> n;
	vector < int > S(2 * n);  
	for ( ll  i = 0; i < 2 * n; i++ ) {
		cin >> S[i];
	}
	cout << count_swaps( S );
}
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 269560 KB Output is correct
2 Correct 177 ms 269576 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 269560 KB Output is correct
2 Correct 177 ms 269576 KB Output is correct
3 Correct 158 ms 269560 KB Output is correct
4 Correct 163 ms 269560 KB Output is correct
5 Correct 183 ms 269692 KB Output is correct
6 Correct 158 ms 269688 KB Output is correct
7 Correct 160 ms 269560 KB Output is correct
8 Correct 181 ms 269676 KB Output is correct
9 Correct 161 ms 269688 KB Output is correct
10 Correct 161 ms 269688 KB Output is correct
11 Correct 162 ms 269560 KB Output is correct
12 Correct 170 ms 269688 KB Output is correct
13 Correct 161 ms 269560 KB Output is correct
14 Correct 159 ms 269560 KB Output is correct
15 Correct 164 ms 269560 KB Output is correct
16 Correct 156 ms 269684 KB Output is correct
17 Correct 158 ms 269688 KB Output is correct
18 Correct 160 ms 269560 KB Output is correct
19 Correct 160 ms 269688 KB Output is correct
20 Correct 161 ms 269560 KB Output is correct
21 Correct 158 ms 269560 KB Output is correct
22 Correct 156 ms 269560 KB Output is correct
23 Correct 170 ms 269748 KB Output is correct
24 Correct 174 ms 269564 KB Output is correct
25 Correct 160 ms 269580 KB Output is correct
26 Correct 175 ms 269632 KB Output is correct
27 Correct 156 ms 269560 KB Output is correct
28 Correct 156 ms 269560 KB Output is correct
29 Correct 158 ms 269560 KB Output is correct
30 Correct 160 ms 269668 KB Output is correct
31 Correct 167 ms 269560 KB Output is correct
32 Correct 162 ms 269560 KB Output is correct
33 Correct 168 ms 269688 KB Output is correct
34 Correct 156 ms 269688 KB Output is correct
35 Correct 156 ms 269560 KB Output is correct
36 Correct 169 ms 269816 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 269560 KB Output is correct
2 Correct 177 ms 269576 KB Output is correct
3 Correct 159 ms 269564 KB Output is correct
4 Correct 181 ms 269560 KB Output is correct
5 Correct 184 ms 269564 KB Output is correct
6 Correct 158 ms 269688 KB Output is correct
7 Correct 159 ms 269560 KB Output is correct
8 Correct 156 ms 269560 KB Output is correct
9 Correct 161 ms 269688 KB Output is correct
10 Correct 160 ms 269688 KB Output is correct
11 Correct 159 ms 269688 KB Output is correct
12 Correct 165 ms 269688 KB Output is correct
13 Correct 161 ms 269688 KB Output is correct
14 Correct 158 ms 269560 KB Output is correct
15 Correct 164 ms 269728 KB Output is correct
16 Correct 158 ms 269688 KB Output is correct
17 Correct 159 ms 269688 KB Output is correct
18 Correct 162 ms 269664 KB Output is correct
19 Correct 163 ms 269688 KB Output is correct
20 Correct 177 ms 270328 KB Output is correct
21 Correct 163 ms 270328 KB Output is correct
22 Correct 237 ms 276728 KB Output is correct
23 Correct 239 ms 277496 KB Output is correct
24 Correct 229 ms 277496 KB Output is correct
25 Correct 223 ms 277532 KB Output is correct
26 Correct 229 ms 277368 KB Output is correct
27 Correct 227 ms 277368 KB Output is correct
28 Correct 229 ms 277496 KB Output is correct
29 Correct 221 ms 277368 KB Output is correct
30 Correct 220 ms 277368 KB Output is correct
31 Correct 240 ms 277360 KB Output is correct
32 Correct 225 ms 277288 KB Output is correct
33 Correct 225 ms 277496 KB Output is correct
34 Correct 221 ms 277368 KB Output is correct
35 Correct 156 ms 269560 KB Output is correct
36 Correct 158 ms 269688 KB Output is correct
37 Correct 227 ms 277368 KB Output is correct
38 Correct 225 ms 277368 KB Output is correct
39 Correct 225 ms 277384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 164 ms 269560 KB Output is correct
2 Correct 163 ms 269688 KB Output is correct
3 Correct 161 ms 269560 KB Output is correct
4 Correct 168 ms 269688 KB Output is correct
5 Correct 310 ms 276728 KB Output is correct
6 Correct 294 ms 277368 KB Output is correct
7 Correct 332 ms 277368 KB Output is correct
8 Correct 223 ms 277368 KB Output is correct
9 Correct 309 ms 277272 KB Output is correct
10 Correct 305 ms 277368 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 269560 KB Output is correct
2 Correct 177 ms 269576 KB Output is correct
3 Correct 158 ms 269560 KB Output is correct
4 Correct 163 ms 269560 KB Output is correct
5 Correct 183 ms 269692 KB Output is correct
6 Correct 158 ms 269688 KB Output is correct
7 Correct 160 ms 269560 KB Output is correct
8 Correct 181 ms 269676 KB Output is correct
9 Correct 161 ms 269688 KB Output is correct
10 Correct 161 ms 269688 KB Output is correct
11 Correct 162 ms 269560 KB Output is correct
12 Correct 170 ms 269688 KB Output is correct
13 Correct 161 ms 269560 KB Output is correct
14 Correct 159 ms 269560 KB Output is correct
15 Correct 164 ms 269560 KB Output is correct
16 Correct 156 ms 269684 KB Output is correct
17 Correct 158 ms 269688 KB Output is correct
18 Correct 160 ms 269560 KB Output is correct
19 Correct 160 ms 269688 KB Output is correct
20 Correct 161 ms 269560 KB Output is correct
21 Correct 158 ms 269560 KB Output is correct
22 Correct 156 ms 269560 KB Output is correct
23 Correct 170 ms 269748 KB Output is correct
24 Correct 174 ms 269564 KB Output is correct
25 Correct 160 ms 269580 KB Output is correct
26 Correct 175 ms 269632 KB Output is correct
27 Correct 156 ms 269560 KB Output is correct
28 Correct 156 ms 269560 KB Output is correct
29 Correct 158 ms 269560 KB Output is correct
30 Correct 160 ms 269668 KB Output is correct
31 Correct 167 ms 269560 KB Output is correct
32 Correct 162 ms 269560 KB Output is correct
33 Correct 168 ms 269688 KB Output is correct
34 Correct 156 ms 269688 KB Output is correct
35 Correct 156 ms 269560 KB Output is correct
36 Correct 169 ms 269816 KB Output is correct
37 Correct 165 ms 269688 KB Output is correct
38 Correct 165 ms 269560 KB Output is correct
39 Correct 164 ms 269688 KB Output is correct
40 Correct 162 ms 269688 KB Output is correct
41 Correct 165 ms 269688 KB Output is correct
42 Correct 166 ms 269688 KB Output is correct
43 Correct 159 ms 269688 KB Output is correct
44 Correct 160 ms 269688 KB Output is correct
45 Correct 159 ms 269688 KB Output is correct
46 Correct 160 ms 269688 KB Output is correct
47 Correct 163 ms 269688 KB Output is correct
48 Correct 160 ms 269764 KB Output is correct
49 Correct 162 ms 269688 KB Output is correct
50 Correct 162 ms 269688 KB Output is correct
51 Correct 160 ms 269688 KB Output is correct
52 Correct 158 ms 269688 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 269560 KB Output is correct
2 Correct 177 ms 269576 KB Output is correct
3 Correct 158 ms 269560 KB Output is correct
4 Correct 163 ms 269560 KB Output is correct
5 Correct 183 ms 269692 KB Output is correct
6 Correct 158 ms 269688 KB Output is correct
7 Correct 160 ms 269560 KB Output is correct
8 Correct 181 ms 269676 KB Output is correct
9 Correct 161 ms 269688 KB Output is correct
10 Correct 161 ms 269688 KB Output is correct
11 Correct 162 ms 269560 KB Output is correct
12 Correct 170 ms 269688 KB Output is correct
13 Correct 161 ms 269560 KB Output is correct
14 Correct 159 ms 269560 KB Output is correct
15 Correct 164 ms 269560 KB Output is correct
16 Correct 156 ms 269684 KB Output is correct
17 Correct 158 ms 269688 KB Output is correct
18 Correct 160 ms 269560 KB Output is correct
19 Correct 160 ms 269688 KB Output is correct
20 Correct 161 ms 269560 KB Output is correct
21 Correct 158 ms 269560 KB Output is correct
22 Correct 156 ms 269560 KB Output is correct
23 Correct 170 ms 269748 KB Output is correct
24 Correct 174 ms 269564 KB Output is correct
25 Correct 160 ms 269580 KB Output is correct
26 Correct 175 ms 269632 KB Output is correct
27 Correct 156 ms 269560 KB Output is correct
28 Correct 156 ms 269560 KB Output is correct
29 Correct 158 ms 269560 KB Output is correct
30 Correct 160 ms 269668 KB Output is correct
31 Correct 167 ms 269560 KB Output is correct
32 Correct 162 ms 269560 KB Output is correct
33 Correct 168 ms 269688 KB Output is correct
34 Correct 156 ms 269688 KB Output is correct
35 Correct 156 ms 269560 KB Output is correct
36 Correct 169 ms 269816 KB Output is correct
37 Correct 159 ms 269564 KB Output is correct
38 Correct 181 ms 269560 KB Output is correct
39 Correct 184 ms 269564 KB Output is correct
40 Correct 158 ms 269688 KB Output is correct
41 Correct 159 ms 269560 KB Output is correct
42 Correct 156 ms 269560 KB Output is correct
43 Correct 161 ms 269688 KB Output is correct
44 Correct 160 ms 269688 KB Output is correct
45 Correct 159 ms 269688 KB Output is correct
46 Correct 165 ms 269688 KB Output is correct
47 Correct 161 ms 269688 KB Output is correct
48 Correct 158 ms 269560 KB Output is correct
49 Correct 164 ms 269728 KB Output is correct
50 Correct 158 ms 269688 KB Output is correct
51 Correct 159 ms 269688 KB Output is correct
52 Correct 162 ms 269664 KB Output is correct
53 Correct 163 ms 269688 KB Output is correct
54 Correct 177 ms 270328 KB Output is correct
55 Correct 163 ms 270328 KB Output is correct
56 Correct 237 ms 276728 KB Output is correct
57 Correct 239 ms 277496 KB Output is correct
58 Correct 229 ms 277496 KB Output is correct
59 Correct 223 ms 277532 KB Output is correct
60 Correct 229 ms 277368 KB Output is correct
61 Correct 227 ms 277368 KB Output is correct
62 Correct 229 ms 277496 KB Output is correct
63 Correct 221 ms 277368 KB Output is correct
64 Correct 220 ms 277368 KB Output is correct
65 Correct 240 ms 277360 KB Output is correct
66 Correct 225 ms 277288 KB Output is correct
67 Correct 225 ms 277496 KB Output is correct
68 Correct 221 ms 277368 KB Output is correct
69 Correct 156 ms 269560 KB Output is correct
70 Correct 158 ms 269688 KB Output is correct
71 Correct 227 ms 277368 KB Output is correct
72 Correct 225 ms 277368 KB Output is correct
73 Correct 225 ms 277384 KB Output is correct
74 Correct 164 ms 269560 KB Output is correct
75 Correct 163 ms 269688 KB Output is correct
76 Correct 161 ms 269560 KB Output is correct
77 Correct 168 ms 269688 KB Output is correct
78 Correct 310 ms 276728 KB Output is correct
79 Correct 294 ms 277368 KB Output is correct
80 Correct 332 ms 277368 KB Output is correct
81 Correct 223 ms 277368 KB Output is correct
82 Correct 309 ms 277272 KB Output is correct
83 Correct 305 ms 277368 KB Output is correct
84 Correct 165 ms 269688 KB Output is correct
85 Correct 165 ms 269560 KB Output is correct
86 Correct 164 ms 269688 KB Output is correct
87 Correct 162 ms 269688 KB Output is correct
88 Correct 165 ms 269688 KB Output is correct
89 Correct 166 ms 269688 KB Output is correct
90 Correct 159 ms 269688 KB Output is correct
91 Correct 160 ms 269688 KB Output is correct
92 Correct 159 ms 269688 KB Output is correct
93 Correct 160 ms 269688 KB Output is correct
94 Correct 163 ms 269688 KB Output is correct
95 Correct 160 ms 269764 KB Output is correct
96 Correct 162 ms 269688 KB Output is correct
97 Correct 162 ms 269688 KB Output is correct
98 Correct 160 ms 269688 KB Output is correct
99 Correct 158 ms 269688 KB Output is correct
100 Correct 160 ms 269688 KB Output is correct
101 Correct 165 ms 270456 KB Output is correct
102 Correct 171 ms 270456 KB Output is correct
103 Correct 313 ms 277496 KB Output is correct
104 Correct 320 ms 277496 KB Output is correct
105 Correct 291 ms 277496 KB Output is correct
106 Correct 295 ms 277496 KB Output is correct
107 Correct 273 ms 277496 KB Output is correct
108 Correct 311 ms 277496 KB Output is correct
109 Correct 228 ms 277496 KB Output is correct
110 Correct 258 ms 277624 KB Output is correct
111 Correct 318 ms 277496 KB Output is correct
112 Correct 304 ms 277496 KB Output is correct
113 Correct 268 ms 277496 KB Output is correct
114 Correct 305 ms 277496 KB Output is correct
115 Correct 300 ms 277500 KB Output is correct