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Submission #530471

# Submission time Handle Problem Language Result Execution time Memory
530471 2022-02-25T13:01:48 Z jamezzz Arranging Shoes (IOI19_shoes) C++17
100 / 100
 126 ms 139940 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

int n,m[200005],ft[200005],o=100000;
vector<pair<int,int>> v;
queue<int> q[200005];

void up(int x,int v){
	while(x<=n){
		ft[x]+=v,x+=x&-x;
	}
}

int qry(int x){
	int res=0;
	while(x)res+=ft[x],x-=x&-x;
	return res;
}

long long count_swaps(vector<int> s){
	n=(int)s.size();
	long long ans=0;
	for(int i=0;i<n;++i){
		if(q[o-s[i]].empty())q[o+s[i]].push(i);
		else{
			int j=q[o-s[i]].front();
			q[o-s[i]].pop();
			v.push_back({j+1,i+1});
			if(s[i]<0)++ans;
		}
	}
	sort(v.begin(),v.end());
	for(int i=n/2-1;i>=0;--i){
		ans+=qry(v[i].second)-qry(v[i].first-1);
		up(v[i].first,1);up(v[i].second,1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134916 KB Output is correct
2 Correct 77 ms 134900 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134916 KB Output is correct
2 Correct 77 ms 134900 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 80 ms 134948 KB Output is correct
5 Correct 76 ms 134900 KB Output is correct
6 Correct 77 ms 134840 KB Output is correct
7 Correct 77 ms 134844 KB Output is correct
8 Correct 79 ms 134852 KB Output is correct
9 Correct 78 ms 134812 KB Output is correct
10 Correct 76 ms 134852 KB Output is correct
11 Correct 77 ms 134812 KB Output is correct
12 Correct 78 ms 134876 KB Output is correct
13 Correct 78 ms 134888 KB Output is correct
14 Correct 78 ms 134808 KB Output is correct
15 Correct 80 ms 134916 KB Output is correct
16 Correct 79 ms 134872 KB Output is correct
17 Correct 78 ms 134864 KB Output is correct
18 Correct 78 ms 134920 KB Output is correct
19 Correct 78 ms 134808 KB Output is correct
20 Correct 80 ms 134844 KB Output is correct
21 Correct 77 ms 134860 KB Output is correct
22 Correct 85 ms 134920 KB Output is correct
23 Correct 78 ms 134808 KB Output is correct
24 Correct 78 ms 134804 KB Output is correct
25 Correct 78 ms 134920 KB Output is correct
26 Correct 78 ms 134868 KB Output is correct
27 Correct 78 ms 134904 KB Output is correct
28 Correct 77 ms 134844 KB Output is correct
29 Correct 77 ms 134856 KB Output is correct
30 Correct 77 ms 134876 KB Output is correct
31 Correct 78 ms 134852 KB Output is correct
32 Correct 78 ms 134852 KB Output is correct
33 Correct 81 ms 134816 KB Output is correct
34 Correct 78 ms 134852 KB Output is correct
35 Correct 78 ms 134852 KB Output is correct
36 Correct 77 ms 134888 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134916 KB Output is correct
2 Correct 77 ms 134900 KB Output is correct
3 Correct 78 ms 134852 KB Output is correct
4 Correct 76 ms 134804 KB Output is correct
5 Correct 79 ms 134840 KB Output is correct
6 Correct 76 ms 134804 KB Output is correct
7 Correct 78 ms 134908 KB Output is correct
8 Correct 80 ms 134904 KB Output is correct
9 Correct 79 ms 134920 KB Output is correct
10 Correct 79 ms 134856 KB Output is correct
11 Correct 76 ms 134852 KB Output is correct
12 Correct 77 ms 134852 KB Output is correct
13 Correct 80 ms 134816 KB Output is correct
14 Correct 80 ms 134844 KB Output is correct
15 Correct 82 ms 134856 KB Output is correct
16 Correct 80 ms 134932 KB Output is correct
17 Correct 87 ms 134844 KB Output is correct
18 Correct 86 ms 134852 KB Output is correct
19 Correct 96 ms 134852 KB Output is correct
20 Correct 84 ms 135440 KB Output is correct
21 Correct 83 ms 135468 KB Output is correct
22 Correct 120 ms 139400 KB Output is correct
23 Correct 104 ms 139400 KB Output is correct
24 Correct 105 ms 139456 KB Output is correct
25 Correct 113 ms 139656 KB Output is correct
26 Correct 107 ms 139460 KB Output is correct
27 Correct 103 ms 139192 KB Output is correct
28 Correct 106 ms 139816 KB Output is correct
29 Correct 105 ms 139792 KB Output is correct
30 Correct 103 ms 139812 KB Output is correct
31 Correct 109 ms 139420 KB Output is correct
32 Correct 110 ms 139784 KB Output is correct
33 Correct 110 ms 139580 KB Output is correct
34 Correct 110 ms 139916 KB Output is correct
35 Correct 79 ms 134852 KB Output is correct
36 Correct 78 ms 134884 KB Output is correct
37 Correct 110 ms 139852 KB Output is correct
38 Correct 118 ms 139916 KB Output is correct
39 Correct 108 ms 139828 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 134860 KB Output is correct
2 Correct 79 ms 134856 KB Output is correct
3 Correct 77 ms 134800 KB Output is correct
4 Correct 83 ms 134812 KB Output is correct
5 Correct 119 ms 139440 KB Output is correct
6 Correct 110 ms 139404 KB Output is correct
7 Correct 117 ms 139396 KB Output is correct
8 Correct 118 ms 139940 KB Output is correct
9 Correct 119 ms 139436 KB Output is correct
10 Correct 114 ms 139452 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134916 KB Output is correct
2 Correct 77 ms 134900 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 80 ms 134948 KB Output is correct
5 Correct 76 ms 134900 KB Output is correct
6 Correct 77 ms 134840 KB Output is correct
7 Correct 77 ms 134844 KB Output is correct
8 Correct 79 ms 134852 KB Output is correct
9 Correct 78 ms 134812 KB Output is correct
10 Correct 76 ms 134852 KB Output is correct
11 Correct 77 ms 134812 KB Output is correct
12 Correct 78 ms 134876 KB Output is correct
13 Correct 78 ms 134888 KB Output is correct
14 Correct 78 ms 134808 KB Output is correct
15 Correct 80 ms 134916 KB Output is correct
16 Correct 79 ms 134872 KB Output is correct
17 Correct 78 ms 134864 KB Output is correct
18 Correct 78 ms 134920 KB Output is correct
19 Correct 78 ms 134808 KB Output is correct
20 Correct 80 ms 134844 KB Output is correct
21 Correct 77 ms 134860 KB Output is correct
22 Correct 85 ms 134920 KB Output is correct
23 Correct 78 ms 134808 KB Output is correct
24 Correct 78 ms 134804 KB Output is correct
25 Correct 78 ms 134920 KB Output is correct
26 Correct 78 ms 134868 KB Output is correct
27 Correct 78 ms 134904 KB Output is correct
28 Correct 77 ms 134844 KB Output is correct
29 Correct 77 ms 134856 KB Output is correct
30 Correct 77 ms 134876 KB Output is correct
31 Correct 78 ms 134852 KB Output is correct
32 Correct 78 ms 134852 KB Output is correct
33 Correct 81 ms 134816 KB Output is correct
34 Correct 78 ms 134852 KB Output is correct
35 Correct 78 ms 134852 KB Output is correct
36 Correct 77 ms 134888 KB Output is correct
37 Correct 77 ms 134812 KB Output is correct
38 Correct 77 ms 134800 KB Output is correct
39 Correct 80 ms 134984 KB Output is correct
40 Correct 84 ms 134828 KB Output is correct
41 Correct 83 ms 134960 KB Output is correct
42 Correct 83 ms 134888 KB Output is correct
43 Correct 83 ms 134852 KB Output is correct
44 Correct 86 ms 134952 KB Output is correct
45 Correct 89 ms 134852 KB Output is correct
46 Correct 85 ms 134848 KB Output is correct
47 Correct 85 ms 134880 KB Output is correct
48 Correct 85 ms 134852 KB Output is correct
49 Correct 84 ms 134852 KB Output is correct
50 Correct 93 ms 134896 KB Output is correct
51 Correct 87 ms 134948 KB Output is correct
52 Correct 84 ms 134856 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 134916 KB Output is correct
2 Correct 77 ms 134900 KB Output is correct
3 Correct 78 ms 134856 KB Output is correct
4 Correct 80 ms 134948 KB Output is correct
5 Correct 76 ms 134900 KB Output is correct
6 Correct 77 ms 134840 KB Output is correct
7 Correct 77 ms 134844 KB Output is correct
8 Correct 79 ms 134852 KB Output is correct
9 Correct 78 ms 134812 KB Output is correct
10 Correct 76 ms 134852 KB Output is correct
11 Correct 77 ms 134812 KB Output is correct
12 Correct 78 ms 134876 KB Output is correct
13 Correct 78 ms 134888 KB Output is correct
14 Correct 78 ms 134808 KB Output is correct
15 Correct 80 ms 134916 KB Output is correct
16 Correct 79 ms 134872 KB Output is correct
17 Correct 78 ms 134864 KB Output is correct
18 Correct 78 ms 134920 KB Output is correct
19 Correct 78 ms 134808 KB Output is correct
20 Correct 80 ms 134844 KB Output is correct
21 Correct 77 ms 134860 KB Output is correct
22 Correct 85 ms 134920 KB Output is correct
23 Correct 78 ms 134808 KB Output is correct
24 Correct 78 ms 134804 KB Output is correct
25 Correct 78 ms 134920 KB Output is correct
26 Correct 78 ms 134868 KB Output is correct
27 Correct 78 ms 134904 KB Output is correct
28 Correct 77 ms 134844 KB Output is correct
29 Correct 77 ms 134856 KB Output is correct
30 Correct 77 ms 134876 KB Output is correct
31 Correct 78 ms 134852 KB Output is correct
32 Correct 78 ms 134852 KB Output is correct
33 Correct 81 ms 134816 KB Output is correct
34 Correct 78 ms 134852 KB Output is correct
35 Correct 78 ms 134852 KB Output is correct
36 Correct 77 ms 134888 KB Output is correct
37 Correct 78 ms 134852 KB Output is correct
38 Correct 76 ms 134804 KB Output is correct
39 Correct 79 ms 134840 KB Output is correct
40 Correct 76 ms 134804 KB Output is correct
41 Correct 78 ms 134908 KB Output is correct
42 Correct 80 ms 134904 KB Output is correct
43 Correct 79 ms 134920 KB Output is correct
44 Correct 79 ms 134856 KB Output is correct
45 Correct 76 ms 134852 KB Output is correct
46 Correct 77 ms 134852 KB Output is correct
47 Correct 80 ms 134816 KB Output is correct
48 Correct 80 ms 134844 KB Output is correct
49 Correct 82 ms 134856 KB Output is correct
50 Correct 80 ms 134932 KB Output is correct
51 Correct 87 ms 134844 KB Output is correct
52 Correct 86 ms 134852 KB Output is correct
53 Correct 96 ms 134852 KB Output is correct
54 Correct 84 ms 135440 KB Output is correct
55 Correct 83 ms 135468 KB Output is correct
56 Correct 120 ms 139400 KB Output is correct
57 Correct 104 ms 139400 KB Output is correct
58 Correct 105 ms 139456 KB Output is correct
59 Correct 113 ms 139656 KB Output is correct
60 Correct 107 ms 139460 KB Output is correct
61 Correct 103 ms 139192 KB Output is correct
62 Correct 106 ms 139816 KB Output is correct
63 Correct 105 ms 139792 KB Output is correct
64 Correct 103 ms 139812 KB Output is correct
65 Correct 109 ms 139420 KB Output is correct
66 Correct 110 ms 139784 KB Output is correct
67 Correct 110 ms 139580 KB Output is correct
68 Correct 110 ms 139916 KB Output is correct
69 Correct 79 ms 134852 KB Output is correct
70 Correct 78 ms 134884 KB Output is correct
71 Correct 110 ms 139852 KB Output is correct
72 Correct 118 ms 139916 KB Output is correct
73 Correct 108 ms 139828 KB Output is correct
74 Correct 77 ms 134860 KB Output is correct
75 Correct 79 ms 134856 KB Output is correct
76 Correct 77 ms 134800 KB Output is correct
77 Correct 83 ms 134812 KB Output is correct
78 Correct 119 ms 139440 KB Output is correct
79 Correct 110 ms 139404 KB Output is correct
80 Correct 117 ms 139396 KB Output is correct
81 Correct 118 ms 139940 KB Output is correct
82 Correct 119 ms 139436 KB Output is correct
83 Correct 114 ms 139452 KB Output is correct
84 Correct 77 ms 134812 KB Output is correct
85 Correct 77 ms 134800 KB Output is correct
86 Correct 80 ms 134984 KB Output is correct
87 Correct 84 ms 134828 KB Output is correct
88 Correct 83 ms 134960 KB Output is correct
89 Correct 83 ms 134888 KB Output is correct
90 Correct 83 ms 134852 KB Output is correct
91 Correct 86 ms 134952 KB Output is correct
92 Correct 89 ms 134852 KB Output is correct
93 Correct 85 ms 134848 KB Output is correct
94 Correct 85 ms 134880 KB Output is correct
95 Correct 85 ms 134852 KB Output is correct
96 Correct 84 ms 134852 KB Output is correct
97 Correct 93 ms 134896 KB Output is correct
98 Correct 87 ms 134948 KB Output is correct
99 Correct 84 ms 134856 KB Output is correct
100 Correct 85 ms 134916 KB Output is correct
101 Correct 82 ms 135468 KB Output is correct
102 Correct 87 ms 135364 KB Output is correct
103 Correct 126 ms 139336 KB Output is correct
104 Correct 114 ms 139324 KB Output is correct
105 Correct 120 ms 139404 KB Output is correct
106 Correct 117 ms 139348 KB Output is correct
107 Correct 116 ms 139508 KB Output is correct
108 Correct 115 ms 139316 KB Output is correct
109 Correct 107 ms 139836 KB Output is correct
110 Correct 107 ms 139812 KB Output is correct
111 Correct 116 ms 139420 KB Output is correct
112 Correct 123 ms 139324 KB Output is correct
113 Correct 115 ms 139328 KB Output is correct
114 Correct 121 ms 139528 KB Output is correct
115 Correct 117 ms 139368 KB Output is correct