oj.uz

Submission #609512

# Submission time Handle Problem Language Result Execution time Memory
609512 2022-07-27T16:33:49 Z penguinhacker Arranging Shoes (IOI19_shoes) C++17
100 / 100
 177 ms 139384 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ar array

const int mxN=1e5;
int n, ft[2*mxN+1];
queue<int> ls[mxN+1], rs[mxN+1];
bool vis[2*mxN];

void upd(int i) {
	for (++i; i<=2*n; i+=i&-i)
		++ft[i];
}

int qry(int i) {
	int r=0;
	for (++i; i; i-=i&-i)
		r+=ft[i];
	return r;
}

ll count_swaps(vector<int> s) {
	n=s.size()/2;
	for (int i=0; i<2*n; ++i) {
		if (s[i]<0)
			ls[-s[i]].push(i);
		else
			rs[s[i]].push(i);
	}
	ll ans=0;
	for (int i=0; i<2*n; ++i) {
		if (qry(i)-qry(i-1))
			continue;
		int x=abs(s[i]);
		//cout << i << " " << qry(i) << " " << qry(i-1) << endl;
		assert(ls[x].size()&&rs[x].size());
		//cout << ls[x].front() << " " << rs[x].front() << endl;
		ans+=ls[x].front()-qry(ls[x].front());
		upd(ls[x].front());
		ls[x].pop();
		ans+=rs[x].front()-qry(rs[x].front());
		upd(rs[x].front());
		rs[x].pop();
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134892 KB Output is correct
2 Correct 80 ms 134940 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134892 KB Output is correct
2 Correct 80 ms 134940 KB Output is correct
3 Correct 81 ms 134860 KB Output is correct
4 Correct 87 ms 134816 KB Output is correct
5 Correct 81 ms 134932 KB Output is correct
6 Correct 85 ms 134860 KB Output is correct
7 Correct 78 ms 134860 KB Output is correct
8 Correct 86 ms 134928 KB Output is correct
9 Correct 81 ms 134880 KB Output is correct
10 Correct 81 ms 134884 KB Output is correct
11 Correct 91 ms 134908 KB Output is correct
12 Correct 95 ms 134900 KB Output is correct
13 Correct 81 ms 134992 KB Output is correct
14 Correct 82 ms 134852 KB Output is correct
15 Correct 81 ms 134900 KB Output is correct
16 Correct 84 ms 134844 KB Output is correct
17 Correct 87 ms 134836 KB Output is correct
18 Correct 81 ms 134916 KB Output is correct
19 Correct 77 ms 134912 KB Output is correct
20 Correct 88 ms 134924 KB Output is correct
21 Correct 82 ms 134836 KB Output is correct
22 Correct 86 ms 134916 KB Output is correct
23 Correct 80 ms 134936 KB Output is correct
24 Correct 87 ms 134836 KB Output is correct
25 Correct 88 ms 135016 KB Output is correct
26 Correct 87 ms 134896 KB Output is correct
27 Correct 80 ms 134936 KB Output is correct
28 Correct 81 ms 135040 KB Output is correct
29 Correct 83 ms 134932 KB Output is correct
30 Correct 91 ms 134860 KB Output is correct
31 Correct 79 ms 134940 KB Output is correct
32 Correct 81 ms 134836 KB Output is correct
33 Correct 81 ms 134876 KB Output is correct
34 Correct 95 ms 134864 KB Output is correct
35 Correct 88 ms 134860 KB Output is correct
36 Correct 88 ms 134848 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134892 KB Output is correct
2 Correct 80 ms 134940 KB Output is correct
3 Correct 80 ms 134860 KB Output is correct
4 Correct 87 ms 134892 KB Output is correct
5 Correct 91 ms 134920 KB Output is correct
6 Correct 86 ms 134908 KB Output is correct
7 Correct 81 ms 134916 KB Output is correct
8 Correct 87 ms 134900 KB Output is correct
9 Correct 88 ms 134884 KB Output is correct
10 Correct 96 ms 134920 KB Output is correct
11 Correct 94 ms 134860 KB Output is correct
12 Correct 85 ms 134892 KB Output is correct
13 Correct 101 ms 134844 KB Output is correct
14 Correct 78 ms 134884 KB Output is correct
15 Correct 81 ms 134904 KB Output is correct
16 Correct 79 ms 134852 KB Output is correct
17 Correct 85 ms 134900 KB Output is correct
18 Correct 86 ms 134956 KB Output is correct
19 Correct 90 ms 134900 KB Output is correct
20 Correct 90 ms 135332 KB Output is correct
21 Correct 92 ms 135312 KB Output is correct
22 Correct 125 ms 139320 KB Output is correct
23 Correct 114 ms 139336 KB Output is correct
24 Correct 149 ms 139316 KB Output is correct
25 Correct 125 ms 139108 KB Output is correct
26 Correct 118 ms 139368 KB Output is correct
27 Correct 123 ms 139084 KB Output is correct
28 Correct 124 ms 139376 KB Output is correct
29 Correct 119 ms 139300 KB Output is correct
30 Correct 123 ms 139296 KB Output is correct
31 Correct 117 ms 139312 KB Output is correct
32 Correct 121 ms 139296 KB Output is correct
33 Correct 117 ms 139172 KB Output is correct
34 Correct 118 ms 139300 KB Output is correct
35 Correct 82 ms 134932 KB Output is correct
36 Correct 92 ms 134880 KB Output is correct
37 Correct 121 ms 139296 KB Output is correct
38 Correct 117 ms 139380 KB Output is correct
39 Correct 117 ms 139292 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 134916 KB Output is correct
2 Correct 86 ms 134860 KB Output is correct
3 Correct 79 ms 134928 KB Output is correct
4 Correct 78 ms 135028 KB Output is correct
5 Correct 159 ms 138412 KB Output is correct
6 Correct 126 ms 138528 KB Output is correct
7 Correct 161 ms 138444 KB Output is correct
8 Correct 113 ms 139384 KB Output is correct
9 Correct 177 ms 138440 KB Output is correct
10 Correct 160 ms 138516 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134892 KB Output is correct
2 Correct 80 ms 134940 KB Output is correct
3 Correct 81 ms 134860 KB Output is correct
4 Correct 87 ms 134816 KB Output is correct
5 Correct 81 ms 134932 KB Output is correct
6 Correct 85 ms 134860 KB Output is correct
7 Correct 78 ms 134860 KB Output is correct
8 Correct 86 ms 134928 KB Output is correct
9 Correct 81 ms 134880 KB Output is correct
10 Correct 81 ms 134884 KB Output is correct
11 Correct 91 ms 134908 KB Output is correct
12 Correct 95 ms 134900 KB Output is correct
13 Correct 81 ms 134992 KB Output is correct
14 Correct 82 ms 134852 KB Output is correct
15 Correct 81 ms 134900 KB Output is correct
16 Correct 84 ms 134844 KB Output is correct
17 Correct 87 ms 134836 KB Output is correct
18 Correct 81 ms 134916 KB Output is correct
19 Correct 77 ms 134912 KB Output is correct
20 Correct 88 ms 134924 KB Output is correct
21 Correct 82 ms 134836 KB Output is correct
22 Correct 86 ms 134916 KB Output is correct
23 Correct 80 ms 134936 KB Output is correct
24 Correct 87 ms 134836 KB Output is correct
25 Correct 88 ms 135016 KB Output is correct
26 Correct 87 ms 134896 KB Output is correct
27 Correct 80 ms 134936 KB Output is correct
28 Correct 81 ms 135040 KB Output is correct
29 Correct 83 ms 134932 KB Output is correct
30 Correct 91 ms 134860 KB Output is correct
31 Correct 79 ms 134940 KB Output is correct
32 Correct 81 ms 134836 KB Output is correct
33 Correct 81 ms 134876 KB Output is correct
34 Correct 95 ms 134864 KB Output is correct
35 Correct 88 ms 134860 KB Output is correct
36 Correct 88 ms 134848 KB Output is correct
37 Correct 80 ms 134812 KB Output is correct
38 Correct 79 ms 134852 KB Output is correct
39 Correct 82 ms 134936 KB Output is correct
40 Correct 81 ms 134936 KB Output is correct
41 Correct 87 ms 134884 KB Output is correct
42 Correct 82 ms 134948 KB Output is correct
43 Correct 100 ms 134940 KB Output is correct
44 Correct 88 ms 134928 KB Output is correct
45 Correct 81 ms 134904 KB Output is correct
46 Correct 83 ms 134948 KB Output is correct
47 Correct 80 ms 134896 KB Output is correct
48 Correct 93 ms 134904 KB Output is correct
49 Correct 83 ms 134928 KB Output is correct
50 Correct 85 ms 134860 KB Output is correct
51 Correct 90 ms 134964 KB Output is correct
52 Correct 78 ms 134912 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 134892 KB Output is correct
2 Correct 80 ms 134940 KB Output is correct
3 Correct 81 ms 134860 KB Output is correct
4 Correct 87 ms 134816 KB Output is correct
5 Correct 81 ms 134932 KB Output is correct
6 Correct 85 ms 134860 KB Output is correct
7 Correct 78 ms 134860 KB Output is correct
8 Correct 86 ms 134928 KB Output is correct
9 Correct 81 ms 134880 KB Output is correct
10 Correct 81 ms 134884 KB Output is correct
11 Correct 91 ms 134908 KB Output is correct
12 Correct 95 ms 134900 KB Output is correct
13 Correct 81 ms 134992 KB Output is correct
14 Correct 82 ms 134852 KB Output is correct
15 Correct 81 ms 134900 KB Output is correct
16 Correct 84 ms 134844 KB Output is correct
17 Correct 87 ms 134836 KB Output is correct
18 Correct 81 ms 134916 KB Output is correct
19 Correct 77 ms 134912 KB Output is correct
20 Correct 88 ms 134924 KB Output is correct
21 Correct 82 ms 134836 KB Output is correct
22 Correct 86 ms 134916 KB Output is correct
23 Correct 80 ms 134936 KB Output is correct
24 Correct 87 ms 134836 KB Output is correct
25 Correct 88 ms 135016 KB Output is correct
26 Correct 87 ms 134896 KB Output is correct
27 Correct 80 ms 134936 KB Output is correct
28 Correct 81 ms 135040 KB Output is correct
29 Correct 83 ms 134932 KB Output is correct
30 Correct 91 ms 134860 KB Output is correct
31 Correct 79 ms 134940 KB Output is correct
32 Correct 81 ms 134836 KB Output is correct
33 Correct 81 ms 134876 KB Output is correct
34 Correct 95 ms 134864 KB Output is correct
35 Correct 88 ms 134860 KB Output is correct
36 Correct 88 ms 134848 KB Output is correct
37 Correct 80 ms 134860 KB Output is correct
38 Correct 87 ms 134892 KB Output is correct
39 Correct 91 ms 134920 KB Output is correct
40 Correct 86 ms 134908 KB Output is correct
41 Correct 81 ms 134916 KB Output is correct
42 Correct 87 ms 134900 KB Output is correct
43 Correct 88 ms 134884 KB Output is correct
44 Correct 96 ms 134920 KB Output is correct
45 Correct 94 ms 134860 KB Output is correct
46 Correct 85 ms 134892 KB Output is correct
47 Correct 101 ms 134844 KB Output is correct
48 Correct 78 ms 134884 KB Output is correct
49 Correct 81 ms 134904 KB Output is correct
50 Correct 79 ms 134852 KB Output is correct
51 Correct 85 ms 134900 KB Output is correct
52 Correct 86 ms 134956 KB Output is correct
53 Correct 90 ms 134900 KB Output is correct
54 Correct 90 ms 135332 KB Output is correct
55 Correct 92 ms 135312 KB Output is correct
56 Correct 125 ms 139320 KB Output is correct
57 Correct 114 ms 139336 KB Output is correct
58 Correct 149 ms 139316 KB Output is correct
59 Correct 125 ms 139108 KB Output is correct
60 Correct 118 ms 139368 KB Output is correct
61 Correct 123 ms 139084 KB Output is correct
62 Correct 124 ms 139376 KB Output is correct
63 Correct 119 ms 139300 KB Output is correct
64 Correct 123 ms 139296 KB Output is correct
65 Correct 117 ms 139312 KB Output is correct
66 Correct 121 ms 139296 KB Output is correct
67 Correct 117 ms 139172 KB Output is correct
68 Correct 118 ms 139300 KB Output is correct
69 Correct 82 ms 134932 KB Output is correct
70 Correct 92 ms 134880 KB Output is correct
71 Correct 121 ms 139296 KB Output is correct
72 Correct 117 ms 139380 KB Output is correct
73 Correct 117 ms 139292 KB Output is correct
74 Correct 82 ms 134916 KB Output is correct
75 Correct 86 ms 134860 KB Output is correct
76 Correct 79 ms 134928 KB Output is correct
77 Correct 78 ms 135028 KB Output is correct
78 Correct 159 ms 138412 KB Output is correct
79 Correct 126 ms 138528 KB Output is correct
80 Correct 161 ms 138444 KB Output is correct
81 Correct 113 ms 139384 KB Output is correct
82 Correct 177 ms 138440 KB Output is correct
83 Correct 160 ms 138516 KB Output is correct
84 Correct 80 ms 134812 KB Output is correct
85 Correct 79 ms 134852 KB Output is correct
86 Correct 82 ms 134936 KB Output is correct
87 Correct 81 ms 134936 KB Output is correct
88 Correct 87 ms 134884 KB Output is correct
89 Correct 82 ms 134948 KB Output is correct
90 Correct 100 ms 134940 KB Output is correct
91 Correct 88 ms 134928 KB Output is correct
92 Correct 81 ms 134904 KB Output is correct
93 Correct 83 ms 134948 KB Output is correct
94 Correct 80 ms 134896 KB Output is correct
95 Correct 93 ms 134904 KB Output is correct
96 Correct 83 ms 134928 KB Output is correct
97 Correct 85 ms 134860 KB Output is correct
98 Correct 90 ms 134964 KB Output is correct
99 Correct 78 ms 134912 KB Output is correct
100 Correct 81 ms 134860 KB Output is correct
101 Correct 84 ms 135220 KB Output is correct
102 Correct 89 ms 135180 KB Output is correct
103 Correct 175 ms 138536 KB Output is correct
104 Correct 165 ms 138520 KB Output is correct
105 Correct 163 ms 138464 KB Output is correct
106 Correct 163 ms 138496 KB Output is correct
107 Correct 146 ms 138524 KB Output is correct
108 Correct 159 ms 138528 KB Output is correct
109 Correct 117 ms 139340 KB Output is correct
110 Correct 128 ms 139328 KB Output is correct
111 Correct 168 ms 138472 KB Output is correct
112 Correct 161 ms 138536 KB Output is correct
113 Correct 134 ms 138444 KB Output is correct
114 Correct 155 ms 138544 KB Output is correct
115 Correct 160 ms 138488 KB Output is correct