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Submission #487155

# Submission time Handle Problem Language Result Execution time Memory
487155 2021-11-14T17:09:54 Z M_W Arranging Shoes (IOI19_shoes) C++14
100 / 100
 160 ms 139572 KB 
#include <bits/stdc++.h>
using namespace std;
queue<int> q[100001], q2[100001];
bool mark[200001];

int fwt[200001];

void ins(int v, int a){
	for(; v <= 200000; v += (v & -v)) fwt[v] += a;
}

int query(int v){
	int ret = 0;
	for(; v > 0; v -= (v & -v)) ret += fwt[v];
	return ret; 
}

long long count_swaps(vector<int> S){
	int len = S.size();
	S.insert(S.begin(), 0);
	for(int i = 1; i <= len; i++){
		ins(i, 1); ins(i + len, 1);
		if(S[i] > 0) q[S[i]].push(i);
		else q2[-S[i]].push(i);
	}
	long long ans = 0;
	for(int i = 1; i <= len; i++){
		if(mark[i]) continue;
		mark[i] = true;
		if(S[i] < 0){
			q2[-S[i]].pop();
			
			ans += query(q[-S[i]].front() - 1) - query(i);
			ins(q[-S[i]].front(), -1);
			
			mark[q[-S[i]].front()] = true;
			q[-S[i]].pop();
		}
		else{
			q[S[i]].pop();
			
			ans += query(q2[S[i]].front() - 1) - query(i) + 1;
			ins(q2[S[i]].front(), -1);
			
			mark[q2[S[i]].front()] = true;
			q2[S[i]].pop();
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 134852 KB Output is correct
2 Correct 81 ms 134932 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 134852 KB Output is correct
2 Correct 81 ms 134932 KB Output is correct
3 Correct 78 ms 134952 KB Output is correct
4 Correct 74 ms 134856 KB Output is correct
5 Correct 75 ms 134944 KB Output is correct
6 Correct 74 ms 134952 KB Output is correct
7 Correct 91 ms 135040 KB Output is correct
8 Correct 75 ms 134908 KB Output is correct
9 Correct 74 ms 134852 KB Output is correct
10 Correct 76 ms 134864 KB Output is correct
11 Correct 83 ms 134852 KB Output is correct
12 Correct 75 ms 134900 KB Output is correct
13 Correct 76 ms 134892 KB Output is correct
14 Correct 77 ms 134888 KB Output is correct
15 Correct 76 ms 134852 KB Output is correct
16 Correct 75 ms 134852 KB Output is correct
17 Correct 75 ms 134852 KB Output is correct
18 Correct 75 ms 134960 KB Output is correct
19 Correct 74 ms 134852 KB Output is correct
20 Correct 74 ms 135012 KB Output is correct
21 Correct 75 ms 134920 KB Output is correct
22 Correct 74 ms 134896 KB Output is correct
23 Correct 77 ms 134848 KB Output is correct
24 Correct 77 ms 134908 KB Output is correct
25 Correct 91 ms 134896 KB Output is correct
26 Correct 76 ms 134940 KB Output is correct
27 Correct 75 ms 134852 KB Output is correct
28 Correct 77 ms 134848 KB Output is correct
29 Correct 76 ms 134852 KB Output is correct
30 Correct 83 ms 134940 KB Output is correct
31 Correct 77 ms 134960 KB Output is correct
32 Correct 76 ms 134852 KB Output is correct
33 Correct 74 ms 134948 KB Output is correct
34 Correct 75 ms 134980 KB Output is correct
35 Correct 78 ms 134856 KB Output is correct
36 Correct 84 ms 134864 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 134852 KB Output is correct
2 Correct 81 ms 134932 KB Output is correct
3 Correct 75 ms 134920 KB Output is correct
4 Correct 77 ms 134852 KB Output is correct
5 Correct 87 ms 134860 KB Output is correct
6 Correct 73 ms 134848 KB Output is correct
7 Correct 78 ms 134852 KB Output is correct
8 Correct 75 ms 134892 KB Output is correct
9 Correct 78 ms 134912 KB Output is correct
10 Correct 76 ms 134928 KB Output is correct
11 Correct 74 ms 134852 KB Output is correct
12 Correct 76 ms 134852 KB Output is correct
13 Correct 75 ms 134852 KB Output is correct
14 Correct 75 ms 134844 KB Output is correct
15 Correct 78 ms 134892 KB Output is correct
16 Correct 76 ms 134888 KB Output is correct
17 Correct 76 ms 134952 KB Output is correct
18 Correct 87 ms 135004 KB Output is correct
19 Correct 79 ms 134980 KB Output is correct
20 Correct 85 ms 135364 KB Output is correct
21 Correct 87 ms 135400 KB Output is correct
22 Correct 115 ms 139460 KB Output is correct
23 Correct 114 ms 139484 KB Output is correct
24 Correct 113 ms 139572 KB Output is correct
25 Correct 111 ms 139256 KB Output is correct
26 Correct 126 ms 139520 KB Output is correct
27 Correct 110 ms 139284 KB Output is correct
28 Correct 116 ms 139528 KB Output is correct
29 Correct 112 ms 139500 KB Output is correct
30 Correct 111 ms 139476 KB Output is correct
31 Correct 114 ms 139572 KB Output is correct
32 Correct 110 ms 139464 KB Output is correct
33 Correct 113 ms 139268 KB Output is correct
34 Correct 122 ms 139572 KB Output is correct
35 Correct 78 ms 134944 KB Output is correct
36 Correct 78 ms 134908 KB Output is correct
37 Correct 110 ms 139464 KB Output is correct
38 Correct 116 ms 139548 KB Output is correct
39 Correct 111 ms 139556 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 134916 KB Output is correct
2 Correct 75 ms 134960 KB Output is correct
3 Correct 77 ms 134852 KB Output is correct
4 Correct 79 ms 134904 KB Output is correct
5 Correct 144 ms 137396 KB Output is correct
6 Correct 117 ms 138676 KB Output is correct
7 Correct 142 ms 138724 KB Output is correct
8 Correct 114 ms 139552 KB Output is correct
9 Correct 142 ms 138612 KB Output is correct
10 Correct 145 ms 138800 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 134852 KB Output is correct
2 Correct 81 ms 134932 KB Output is correct
3 Correct 78 ms 134952 KB Output is correct
4 Correct 74 ms 134856 KB Output is correct
5 Correct 75 ms 134944 KB Output is correct
6 Correct 74 ms 134952 KB Output is correct
7 Correct 91 ms 135040 KB Output is correct
8 Correct 75 ms 134908 KB Output is correct
9 Correct 74 ms 134852 KB Output is correct
10 Correct 76 ms 134864 KB Output is correct
11 Correct 83 ms 134852 KB Output is correct
12 Correct 75 ms 134900 KB Output is correct
13 Correct 76 ms 134892 KB Output is correct
14 Correct 77 ms 134888 KB Output is correct
15 Correct 76 ms 134852 KB Output is correct
16 Correct 75 ms 134852 KB Output is correct
17 Correct 75 ms 134852 KB Output is correct
18 Correct 75 ms 134960 KB Output is correct
19 Correct 74 ms 134852 KB Output is correct
20 Correct 74 ms 135012 KB Output is correct
21 Correct 75 ms 134920 KB Output is correct
22 Correct 74 ms 134896 KB Output is correct
23 Correct 77 ms 134848 KB Output is correct
24 Correct 77 ms 134908 KB Output is correct
25 Correct 91 ms 134896 KB Output is correct
26 Correct 76 ms 134940 KB Output is correct
27 Correct 75 ms 134852 KB Output is correct
28 Correct 77 ms 134848 KB Output is correct
29 Correct 76 ms 134852 KB Output is correct
30 Correct 83 ms 134940 KB Output is correct
31 Correct 77 ms 134960 KB Output is correct
32 Correct 76 ms 134852 KB Output is correct
33 Correct 74 ms 134948 KB Output is correct
34 Correct 75 ms 134980 KB Output is correct
35 Correct 78 ms 134856 KB Output is correct
36 Correct 84 ms 134864 KB Output is correct
37 Correct 78 ms 134952 KB Output is correct
38 Correct 77 ms 134856 KB Output is correct
39 Correct 82 ms 134852 KB Output is correct
40 Correct 88 ms 134940 KB Output is correct
41 Correct 77 ms 134992 KB Output is correct
42 Correct 76 ms 134900 KB Output is correct
43 Correct 75 ms 134956 KB Output is correct
44 Correct 76 ms 134980 KB Output is correct
45 Correct 74 ms 134908 KB Output is correct
46 Correct 84 ms 134968 KB Output is correct
47 Correct 76 ms 134940 KB Output is correct
48 Correct 75 ms 134984 KB Output is correct
49 Correct 75 ms 135000 KB Output is correct
50 Correct 83 ms 134980 KB Output is correct
51 Correct 78 ms 134960 KB Output is correct
52 Correct 76 ms 134960 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 73 ms 134852 KB Output is correct
2 Correct 81 ms 134932 KB Output is correct
3 Correct 78 ms 134952 KB Output is correct
4 Correct 74 ms 134856 KB Output is correct
5 Correct 75 ms 134944 KB Output is correct
6 Correct 74 ms 134952 KB Output is correct
7 Correct 91 ms 135040 KB Output is correct
8 Correct 75 ms 134908 KB Output is correct
9 Correct 74 ms 134852 KB Output is correct
10 Correct 76 ms 134864 KB Output is correct
11 Correct 83 ms 134852 KB Output is correct
12 Correct 75 ms 134900 KB Output is correct
13 Correct 76 ms 134892 KB Output is correct
14 Correct 77 ms 134888 KB Output is correct
15 Correct 76 ms 134852 KB Output is correct
16 Correct 75 ms 134852 KB Output is correct
17 Correct 75 ms 134852 KB Output is correct
18 Correct 75 ms 134960 KB Output is correct
19 Correct 74 ms 134852 KB Output is correct
20 Correct 74 ms 135012 KB Output is correct
21 Correct 75 ms 134920 KB Output is correct
22 Correct 74 ms 134896 KB Output is correct
23 Correct 77 ms 134848 KB Output is correct
24 Correct 77 ms 134908 KB Output is correct
25 Correct 91 ms 134896 KB Output is correct
26 Correct 76 ms 134940 KB Output is correct
27 Correct 75 ms 134852 KB Output is correct
28 Correct 77 ms 134848 KB Output is correct
29 Correct 76 ms 134852 KB Output is correct
30 Correct 83 ms 134940 KB Output is correct
31 Correct 77 ms 134960 KB Output is correct
32 Correct 76 ms 134852 KB Output is correct
33 Correct 74 ms 134948 KB Output is correct
34 Correct 75 ms 134980 KB Output is correct
35 Correct 78 ms 134856 KB Output is correct
36 Correct 84 ms 134864 KB Output is correct
37 Correct 75 ms 134920 KB Output is correct
38 Correct 77 ms 134852 KB Output is correct
39 Correct 87 ms 134860 KB Output is correct
40 Correct 73 ms 134848 KB Output is correct
41 Correct 78 ms 134852 KB Output is correct
42 Correct 75 ms 134892 KB Output is correct
43 Correct 78 ms 134912 KB Output is correct
44 Correct 76 ms 134928 KB Output is correct
45 Correct 74 ms 134852 KB Output is correct
46 Correct 76 ms 134852 KB Output is correct
47 Correct 75 ms 134852 KB Output is correct
48 Correct 75 ms 134844 KB Output is correct
49 Correct 78 ms 134892 KB Output is correct
50 Correct 76 ms 134888 KB Output is correct
51 Correct 76 ms 134952 KB Output is correct
52 Correct 87 ms 135004 KB Output is correct
53 Correct 79 ms 134980 KB Output is correct
54 Correct 85 ms 135364 KB Output is correct
55 Correct 87 ms 135400 KB Output is correct
56 Correct 115 ms 139460 KB Output is correct
57 Correct 114 ms 139484 KB Output is correct
58 Correct 113 ms 139572 KB Output is correct
59 Correct 111 ms 139256 KB Output is correct
60 Correct 126 ms 139520 KB Output is correct
61 Correct 110 ms 139284 KB Output is correct
62 Correct 116 ms 139528 KB Output is correct
63 Correct 112 ms 139500 KB Output is correct
64 Correct 111 ms 139476 KB Output is correct
65 Correct 114 ms 139572 KB Output is correct
66 Correct 110 ms 139464 KB Output is correct
67 Correct 113 ms 139268 KB Output is correct
68 Correct 122 ms 139572 KB Output is correct
69 Correct 78 ms 134944 KB Output is correct
70 Correct 78 ms 134908 KB Output is correct
71 Correct 110 ms 139464 KB Output is correct
72 Correct 116 ms 139548 KB Output is correct
73 Correct 111 ms 139556 KB Output is correct
74 Correct 75 ms 134916 KB Output is correct
75 Correct 75 ms 134960 KB Output is correct
76 Correct 77 ms 134852 KB Output is correct
77 Correct 79 ms 134904 KB Output is correct
78 Correct 144 ms 137396 KB Output is correct
79 Correct 117 ms 138676 KB Output is correct
80 Correct 142 ms 138724 KB Output is correct
81 Correct 114 ms 139552 KB Output is correct
82 Correct 142 ms 138612 KB Output is correct
83 Correct 145 ms 138800 KB Output is correct
84 Correct 78 ms 134952 KB Output is correct
85 Correct 77 ms 134856 KB Output is correct
86 Correct 82 ms 134852 KB Output is correct
87 Correct 88 ms 134940 KB Output is correct
88 Correct 77 ms 134992 KB Output is correct
89 Correct 76 ms 134900 KB Output is correct
90 Correct 75 ms 134956 KB Output is correct
91 Correct 76 ms 134980 KB Output is correct
92 Correct 74 ms 134908 KB Output is correct
93 Correct 84 ms 134968 KB Output is correct
94 Correct 76 ms 134940 KB Output is correct
95 Correct 75 ms 134984 KB Output is correct
96 Correct 75 ms 135000 KB Output is correct
97 Correct 83 ms 134980 KB Output is correct
98 Correct 78 ms 134960 KB Output is correct
99 Correct 76 ms 134960 KB Output is correct
100 Correct 76 ms 135044 KB Output is correct
101 Correct 84 ms 135356 KB Output is correct
102 Correct 85 ms 135420 KB Output is correct
103 Correct 149 ms 138648 KB Output is correct
104 Correct 150 ms 138644 KB Output is correct
105 Correct 147 ms 138660 KB Output is correct
106 Correct 142 ms 138596 KB Output is correct
107 Correct 124 ms 138648 KB Output is correct
108 Correct 160 ms 138656 KB Output is correct
109 Correct 113 ms 139532 KB Output is correct
110 Correct 113 ms 139528 KB Output is correct
111 Correct 153 ms 138628 KB Output is correct
112 Correct 149 ms 138628 KB Output is correct
113 Correct 129 ms 138636 KB Output is correct
114 Correct 144 ms 138676 KB Output is correct
115 Correct 144 ms 138632 KB Output is correct