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Submission #249370

# Submission time Handle Problem Language Result Execution time Memory
249370 2020-07-14T17:25:42 Z I_am_muslim Arranging Shoes (IOI19_shoes) C++14
100 / 100
 241 ms 142224 KB 
# include <bits/stdc++.h>
# define ll long long
#include <ext/pb_ds/assoc_container.hpp> //required
#include <ext/pb_ds/tree_policy.hpp> //required

# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
using namespace __gnu_pbds; //required

template <typename T> using ordered_set =  tree<T, null_type, less<T>, 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);
	ordered_set<int> ids;

	vector < queue < int > > vc(2 * 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();

		ll x = ids.order_of_key(l+1);
		l += (sz - x);
		x = ids.order_of_key(r + 1);
		r += (sz - x);
		//auto it = upper_bound( ids.begin(), ids.end(), i );
		//it--;
		//int x = it - ids.begin();
		//x = sz - x;
		//l += x;
		//it = upper_bound( ids.begin(), ids.end(), r );
		//it--;
		//x = it - ids.begin();
		//x = sz - x;
		//r += x;
		ans += r - l - 1;
		if ( s[i] > 0 ) {
			ans++;
		}
		sz++;
		ids.insert( rr );
		//sort (ids.begin(), ids.end());
	}
	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 73 ms 135032 KB Output is correct
2 Correct 88 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 135032 KB Output is correct
2 Correct 88 ms 135032 KB Output is correct
3 Correct 79 ms 135032 KB Output is correct
4 Correct 82 ms 134984 KB Output is correct
5 Correct 77 ms 135032 KB Output is correct
6 Correct 76 ms 135032 KB Output is correct
7 Correct 74 ms 135032 KB Output is correct
8 Correct 75 ms 135032 KB Output is correct
9 Correct 75 ms 135032 KB Output is correct
10 Correct 74 ms 135032 KB Output is correct
11 Correct 81 ms 135032 KB Output is correct
12 Correct 82 ms 134980 KB Output is correct
13 Correct 77 ms 134940 KB Output is correct
14 Correct 78 ms 135032 KB Output is correct
15 Correct 75 ms 135032 KB Output is correct
16 Correct 74 ms 135032 KB Output is correct
17 Correct 76 ms 135032 KB Output is correct
18 Correct 76 ms 135032 KB Output is correct
19 Correct 74 ms 135032 KB Output is correct
20 Correct 77 ms 135032 KB Output is correct
21 Correct 74 ms 135032 KB Output is correct
22 Correct 74 ms 134936 KB Output is correct
23 Correct 74 ms 135032 KB Output is correct
24 Correct 73 ms 135032 KB Output is correct
25 Correct 73 ms 135032 KB Output is correct
26 Correct 74 ms 135032 KB Output is correct
27 Correct 75 ms 135032 KB Output is correct
28 Correct 77 ms 135160 KB Output is correct
29 Correct 75 ms 134920 KB Output is correct
30 Correct 76 ms 135032 KB Output is correct
31 Correct 73 ms 135032 KB Output is correct
32 Correct 75 ms 135032 KB Output is correct
33 Correct 76 ms 135164 KB Output is correct
34 Correct 76 ms 135032 KB Output is correct
35 Correct 76 ms 135032 KB Output is correct
36 Correct 76 ms 135032 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 135032 KB Output is correct
2 Correct 88 ms 135032 KB Output is correct
3 Correct 75 ms 135032 KB Output is correct
4 Correct 78 ms 134912 KB Output is correct
5 Correct 79 ms 135032 KB Output is correct
6 Correct 75 ms 135032 KB Output is correct
7 Correct 78 ms 135032 KB Output is correct
8 Correct 77 ms 135036 KB Output is correct
9 Correct 75 ms 135032 KB Output is correct
10 Correct 79 ms 135032 KB Output is correct
11 Correct 77 ms 135032 KB Output is correct
12 Correct 82 ms 135032 KB Output is correct
13 Correct 82 ms 135032 KB Output is correct
14 Correct 77 ms 135160 KB Output is correct
15 Correct 74 ms 135032 KB Output is correct
16 Correct 75 ms 135032 KB Output is correct
17 Correct 80 ms 135164 KB Output is correct
18 Correct 80 ms 135032 KB Output is correct
19 Correct 80 ms 134996 KB Output is correct
20 Correct 91 ms 135800 KB Output is correct
21 Correct 82 ms 135676 KB Output is correct
22 Correct 154 ms 142072 KB Output is correct
23 Correct 149 ms 142072 KB Output is correct
24 Correct 159 ms 142072 KB Output is correct
25 Correct 140 ms 142072 KB Output is correct
26 Correct 151 ms 142060 KB Output is correct
27 Correct 151 ms 142072 KB Output is correct
28 Correct 144 ms 142072 KB Output is correct
29 Correct 144 ms 142072 KB Output is correct
30 Correct 147 ms 142224 KB Output is correct
31 Correct 149 ms 142076 KB Output is correct
32 Correct 138 ms 142072 KB Output is correct
33 Correct 139 ms 142072 KB Output is correct
34 Correct 143 ms 142072 KB Output is correct
35 Correct 73 ms 135032 KB Output is correct
36 Correct 76 ms 135032 KB Output is correct
37 Correct 139 ms 142072 KB Output is correct
38 Correct 140 ms 142076 KB Output is correct
39 Correct 150 ms 142072 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 135032 KB Output is correct
2 Correct 75 ms 135032 KB Output is correct
3 Correct 75 ms 135032 KB Output is correct
4 Correct 81 ms 135016 KB Output is correct
5 Correct 231 ms 142072 KB Output is correct
6 Correct 210 ms 142024 KB Output is correct
7 Correct 226 ms 142072 KB Output is correct
8 Correct 146 ms 142072 KB Output is correct
9 Correct 227 ms 142048 KB Output is correct
10 Correct 230 ms 142080 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 135032 KB Output is correct
2 Correct 88 ms 135032 KB Output is correct
3 Correct 79 ms 135032 KB Output is correct
4 Correct 82 ms 134984 KB Output is correct
5 Correct 77 ms 135032 KB Output is correct
6 Correct 76 ms 135032 KB Output is correct
7 Correct 74 ms 135032 KB Output is correct
8 Correct 75 ms 135032 KB Output is correct
9 Correct 75 ms 135032 KB Output is correct
10 Correct 74 ms 135032 KB Output is correct
11 Correct 81 ms 135032 KB Output is correct
12 Correct 82 ms 134980 KB Output is correct
13 Correct 77 ms 134940 KB Output is correct
14 Correct 78 ms 135032 KB Output is correct
15 Correct 75 ms 135032 KB Output is correct
16 Correct 74 ms 135032 KB Output is correct
17 Correct 76 ms 135032 KB Output is correct
18 Correct 76 ms 135032 KB Output is correct
19 Correct 74 ms 135032 KB Output is correct
20 Correct 77 ms 135032 KB Output is correct
21 Correct 74 ms 135032 KB Output is correct
22 Correct 74 ms 134936 KB Output is correct
23 Correct 74 ms 135032 KB Output is correct
24 Correct 73 ms 135032 KB Output is correct
25 Correct 73 ms 135032 KB Output is correct
26 Correct 74 ms 135032 KB Output is correct
27 Correct 75 ms 135032 KB Output is correct
28 Correct 77 ms 135160 KB Output is correct
29 Correct 75 ms 134920 KB Output is correct
30 Correct 76 ms 135032 KB Output is correct
31 Correct 73 ms 135032 KB Output is correct
32 Correct 75 ms 135032 KB Output is correct
33 Correct 76 ms 135164 KB Output is correct
34 Correct 76 ms 135032 KB Output is correct
35 Correct 76 ms 135032 KB Output is correct
36 Correct 76 ms 135032 KB Output is correct
37 Correct 87 ms 135032 KB Output is correct
38 Correct 77 ms 135032 KB Output is correct
39 Correct 76 ms 135032 KB Output is correct
40 Correct 77 ms 135024 KB Output is correct
41 Correct 79 ms 135032 KB Output is correct
42 Correct 76 ms 135032 KB Output is correct
43 Correct 80 ms 135032 KB Output is correct
44 Correct 75 ms 135032 KB Output is correct
45 Correct 80 ms 135032 KB Output is correct
46 Correct 75 ms 135032 KB Output is correct
47 Correct 75 ms 135056 KB Output is correct
48 Correct 76 ms 135032 KB Output is correct
49 Correct 76 ms 135032 KB Output is correct
50 Correct 76 ms 135032 KB Output is correct
51 Correct 76 ms 135080 KB Output is correct
52 Correct 77 ms 135032 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 135032 KB Output is correct
2 Correct 88 ms 135032 KB Output is correct
3 Correct 79 ms 135032 KB Output is correct
4 Correct 82 ms 134984 KB Output is correct
5 Correct 77 ms 135032 KB Output is correct
6 Correct 76 ms 135032 KB Output is correct
7 Correct 74 ms 135032 KB Output is correct
8 Correct 75 ms 135032 KB Output is correct
9 Correct 75 ms 135032 KB Output is correct
10 Correct 74 ms 135032 KB Output is correct
11 Correct 81 ms 135032 KB Output is correct
12 Correct 82 ms 134980 KB Output is correct
13 Correct 77 ms 134940 KB Output is correct
14 Correct 78 ms 135032 KB Output is correct
15 Correct 75 ms 135032 KB Output is correct
16 Correct 74 ms 135032 KB Output is correct
17 Correct 76 ms 135032 KB Output is correct
18 Correct 76 ms 135032 KB Output is correct
19 Correct 74 ms 135032 KB Output is correct
20 Correct 77 ms 135032 KB Output is correct
21 Correct 74 ms 135032 KB Output is correct
22 Correct 74 ms 134936 KB Output is correct
23 Correct 74 ms 135032 KB Output is correct
24 Correct 73 ms 135032 KB Output is correct
25 Correct 73 ms 135032 KB Output is correct
26 Correct 74 ms 135032 KB Output is correct
27 Correct 75 ms 135032 KB Output is correct
28 Correct 77 ms 135160 KB Output is correct
29 Correct 75 ms 134920 KB Output is correct
30 Correct 76 ms 135032 KB Output is correct
31 Correct 73 ms 135032 KB Output is correct
32 Correct 75 ms 135032 KB Output is correct
33 Correct 76 ms 135164 KB Output is correct
34 Correct 76 ms 135032 KB Output is correct
35 Correct 76 ms 135032 KB Output is correct
36 Correct 76 ms 135032 KB Output is correct
37 Correct 75 ms 135032 KB Output is correct
38 Correct 78 ms 134912 KB Output is correct
39 Correct 79 ms 135032 KB Output is correct
40 Correct 75 ms 135032 KB Output is correct
41 Correct 78 ms 135032 KB Output is correct
42 Correct 77 ms 135036 KB Output is correct
43 Correct 75 ms 135032 KB Output is correct
44 Correct 79 ms 135032 KB Output is correct
45 Correct 77 ms 135032 KB Output is correct
46 Correct 82 ms 135032 KB Output is correct
47 Correct 82 ms 135032 KB Output is correct
48 Correct 77 ms 135160 KB Output is correct
49 Correct 74 ms 135032 KB Output is correct
50 Correct 75 ms 135032 KB Output is correct
51 Correct 80 ms 135164 KB Output is correct
52 Correct 80 ms 135032 KB Output is correct
53 Correct 80 ms 134996 KB Output is correct
54 Correct 91 ms 135800 KB Output is correct
55 Correct 82 ms 135676 KB Output is correct
56 Correct 154 ms 142072 KB Output is correct
57 Correct 149 ms 142072 KB Output is correct
58 Correct 159 ms 142072 KB Output is correct
59 Correct 140 ms 142072 KB Output is correct
60 Correct 151 ms 142060 KB Output is correct
61 Correct 151 ms 142072 KB Output is correct
62 Correct 144 ms 142072 KB Output is correct
63 Correct 144 ms 142072 KB Output is correct
64 Correct 147 ms 142224 KB Output is correct
65 Correct 149 ms 142076 KB Output is correct
66 Correct 138 ms 142072 KB Output is correct
67 Correct 139 ms 142072 KB Output is correct
68 Correct 143 ms 142072 KB Output is correct
69 Correct 73 ms 135032 KB Output is correct
70 Correct 76 ms 135032 KB Output is correct
71 Correct 139 ms 142072 KB Output is correct
72 Correct 140 ms 142076 KB Output is correct
73 Correct 150 ms 142072 KB Output is correct
74 Correct 75 ms 135032 KB Output is correct
75 Correct 75 ms 135032 KB Output is correct
76 Correct 75 ms 135032 KB Output is correct
77 Correct 81 ms 135016 KB Output is correct
78 Correct 231 ms 142072 KB Output is correct
79 Correct 210 ms 142024 KB Output is correct
80 Correct 226 ms 142072 KB Output is correct
81 Correct 146 ms 142072 KB Output is correct
82 Correct 227 ms 142048 KB Output is correct
83 Correct 230 ms 142080 KB Output is correct
84 Correct 87 ms 135032 KB Output is correct
85 Correct 77 ms 135032 KB Output is correct
86 Correct 76 ms 135032 KB Output is correct
87 Correct 77 ms 135024 KB Output is correct
88 Correct 79 ms 135032 KB Output is correct
89 Correct 76 ms 135032 KB Output is correct
90 Correct 80 ms 135032 KB Output is correct
91 Correct 75 ms 135032 KB Output is correct
92 Correct 80 ms 135032 KB Output is correct
93 Correct 75 ms 135032 KB Output is correct
94 Correct 75 ms 135056 KB Output is correct
95 Correct 76 ms 135032 KB Output is correct
96 Correct 76 ms 135032 KB Output is correct
97 Correct 76 ms 135032 KB Output is correct
98 Correct 76 ms 135080 KB Output is correct
99 Correct 77 ms 135032 KB Output is correct
100 Correct 82 ms 135032 KB Output is correct
101 Correct 91 ms 135732 KB Output is correct
102 Correct 85 ms 135672 KB Output is correct
103 Correct 232 ms 142072 KB Output is correct
104 Correct 241 ms 142072 KB Output is correct
105 Correct 213 ms 142072 KB Output is correct
106 Correct 218 ms 142072 KB Output is correct
107 Correct 191 ms 142072 KB Output is correct
108 Correct 226 ms 142072 KB Output is correct
109 Correct 150 ms 142200 KB Output is correct
110 Correct 143 ms 142072 KB Output is correct
111 Correct 226 ms 142072 KB Output is correct
112 Correct 220 ms 142072 KB Output is correct
113 Correct 206 ms 142072 KB Output is correct
114 Correct 217 ms 142072 KB Output is correct
115 Correct 214 ms 142072 KB Output is correct