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Submission #760202

# Submission time Handle Problem Language Result Execution time Memory
760202 2023-06-17T09:42:17 Z thinknoexit Arranging Shoes (IOI19_shoes) C++17
100 / 100
 146 ms 139724 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll fw[200200];
queue<int> pos[100100], pos2[100100];
bool ch[200200];
void update(int v, int w) {
    for (int i = v + 1;i <= 200000;i += i & -i) fw[i] += w;
}
ll query(int v) {
    ll ans = 0;
    for (int i = v + 1;i > 0;i -= i & -i) ans += fw[i];
    return ans;
}
ll count_swaps(vector<int> v) {
    ll ans = 0;
    int n = (int)v.size();
    for (int i = 0;i < n;i++) {
        if (v[i] < 0) {
            pos2[-v[i]].push(i);
        }
        else {
            pos[v[i]].push(i);
        }
    }
    for (int i = 0;i < n;i++) {
        if (ch[i]) continue;
        if (v[i] < 0) {
            v[i] = -v[i];
            int nowpos = i + query(i);
            int j = pos[v[i]].front();
            ch[j] = 1;
            ans += j + query(j) - nowpos - 1;
            update(1, 1), update(j + 1, -1);
        }
        else {
            int nowpos = i + query(i);
            int j = pos2[v[i]].front();
            ch[j] = 1;
            ans += j + query(j) - nowpos;
            update(1, 1), update(j + 1, -1);
        }
        pos[v[i]].pop();
        pos2[v[i]].pop();
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135052 KB Output is correct
2 Correct 73 ms 135072 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135052 KB Output is correct
2 Correct 73 ms 135072 KB Output is correct
3 Correct 68 ms 135016 KB Output is correct
4 Correct 65 ms 135028 KB Output is correct
5 Correct 84 ms 135032 KB Output is correct
6 Correct 82 ms 135096 KB Output is correct
7 Correct 67 ms 135048 KB Output is correct
8 Correct 72 ms 135092 KB Output is correct
9 Correct 69 ms 135028 KB Output is correct
10 Correct 69 ms 135008 KB Output is correct
11 Correct 69 ms 135008 KB Output is correct
12 Correct 68 ms 134992 KB Output is correct
13 Correct 67 ms 135052 KB Output is correct
14 Correct 77 ms 135080 KB Output is correct
15 Correct 71 ms 135084 KB Output is correct
16 Correct 69 ms 135080 KB Output is correct
17 Correct 69 ms 135060 KB Output is correct
18 Correct 67 ms 135068 KB Output is correct
19 Correct 71 ms 135048 KB Output is correct
20 Correct 70 ms 135100 KB Output is correct
21 Correct 68 ms 134988 KB Output is correct
22 Correct 67 ms 134988 KB Output is correct
23 Correct 68 ms 135112 KB Output is correct
24 Correct 69 ms 135072 KB Output is correct
25 Correct 68 ms 135064 KB Output is correct
26 Correct 68 ms 135100 KB Output is correct
27 Correct 82 ms 135044 KB Output is correct
28 Correct 68 ms 135016 KB Output is correct
29 Correct 70 ms 135084 KB Output is correct
30 Correct 72 ms 135000 KB Output is correct
31 Correct 67 ms 135068 KB Output is correct
32 Correct 95 ms 135020 KB Output is correct
33 Correct 69 ms 135088 KB Output is correct
34 Correct 68 ms 135012 KB Output is correct
35 Correct 68 ms 134984 KB Output is correct
36 Correct 70 ms 135040 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135052 KB Output is correct
2 Correct 73 ms 135072 KB Output is correct
3 Correct 68 ms 134976 KB Output is correct
4 Correct 69 ms 135056 KB Output is correct
5 Correct 75 ms 135072 KB Output is correct
6 Correct 72 ms 134984 KB Output is correct
7 Correct 68 ms 135092 KB Output is correct
8 Correct 83 ms 134988 KB Output is correct
9 Correct 67 ms 135016 KB Output is correct
10 Correct 68 ms 134988 KB Output is correct
11 Correct 72 ms 135204 KB Output is correct
12 Correct 69 ms 135008 KB Output is correct
13 Correct 77 ms 135052 KB Output is correct
14 Correct 81 ms 135048 KB Output is correct
15 Correct 67 ms 134988 KB Output is correct
16 Correct 67 ms 135056 KB Output is correct
17 Correct 85 ms 135116 KB Output is correct
18 Correct 77 ms 135004 KB Output is correct
19 Correct 72 ms 135100 KB Output is correct
20 Correct 77 ms 135388 KB Output is correct
21 Correct 76 ms 135468 KB Output is correct
22 Correct 97 ms 139180 KB Output is correct
23 Correct 104 ms 139216 KB Output is correct
24 Correct 97 ms 139208 KB Output is correct
25 Correct 99 ms 138360 KB Output is correct
26 Correct 99 ms 139204 KB Output is correct
27 Correct 94 ms 139196 KB Output is correct
28 Correct 104 ms 138344 KB Output is correct
29 Correct 96 ms 138328 KB Output is correct
30 Correct 97 ms 138284 KB Output is correct
31 Correct 98 ms 139196 KB Output is correct
32 Correct 97 ms 138312 KB Output is correct
33 Correct 99 ms 138292 KB Output is correct
34 Correct 120 ms 138316 KB Output is correct
35 Correct 68 ms 135076 KB Output is correct
36 Correct 68 ms 135072 KB Output is correct
37 Correct 96 ms 138288 KB Output is correct
38 Correct 94 ms 138352 KB Output is correct
39 Correct 96 ms 138324 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 135060 KB Output is correct
2 Correct 84 ms 135012 KB Output is correct
3 Correct 67 ms 135100 KB Output is correct
4 Correct 69 ms 135000 KB Output is correct
5 Correct 130 ms 137520 KB Output is correct
6 Correct 101 ms 137452 KB Output is correct
7 Correct 120 ms 137464 KB Output is correct
8 Correct 94 ms 138316 KB Output is correct
9 Correct 124 ms 137468 KB Output is correct
10 Correct 123 ms 137488 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135052 KB Output is correct
2 Correct 73 ms 135072 KB Output is correct
3 Correct 68 ms 135016 KB Output is correct
4 Correct 65 ms 135028 KB Output is correct
5 Correct 84 ms 135032 KB Output is correct
6 Correct 82 ms 135096 KB Output is correct
7 Correct 67 ms 135048 KB Output is correct
8 Correct 72 ms 135092 KB Output is correct
9 Correct 69 ms 135028 KB Output is correct
10 Correct 69 ms 135008 KB Output is correct
11 Correct 69 ms 135008 KB Output is correct
12 Correct 68 ms 134992 KB Output is correct
13 Correct 67 ms 135052 KB Output is correct
14 Correct 77 ms 135080 KB Output is correct
15 Correct 71 ms 135084 KB Output is correct
16 Correct 69 ms 135080 KB Output is correct
17 Correct 69 ms 135060 KB Output is correct
18 Correct 67 ms 135068 KB Output is correct
19 Correct 71 ms 135048 KB Output is correct
20 Correct 70 ms 135100 KB Output is correct
21 Correct 68 ms 134988 KB Output is correct
22 Correct 67 ms 134988 KB Output is correct
23 Correct 68 ms 135112 KB Output is correct
24 Correct 69 ms 135072 KB Output is correct
25 Correct 68 ms 135064 KB Output is correct
26 Correct 68 ms 135100 KB Output is correct
27 Correct 82 ms 135044 KB Output is correct
28 Correct 68 ms 135016 KB Output is correct
29 Correct 70 ms 135084 KB Output is correct
30 Correct 72 ms 135000 KB Output is correct
31 Correct 67 ms 135068 KB Output is correct
32 Correct 95 ms 135020 KB Output is correct
33 Correct 69 ms 135088 KB Output is correct
34 Correct 68 ms 135012 KB Output is correct
35 Correct 68 ms 134984 KB Output is correct
36 Correct 70 ms 135040 KB Output is correct
37 Correct 71 ms 135084 KB Output is correct
38 Correct 69 ms 135060 KB Output is correct
39 Correct 76 ms 135072 KB Output is correct
40 Correct 67 ms 135100 KB Output is correct
41 Correct 70 ms 135116 KB Output is correct
42 Correct 68 ms 135080 KB Output is correct
43 Correct 71 ms 135116 KB Output is correct
44 Correct 74 ms 135040 KB Output is correct
45 Correct 72 ms 135132 KB Output is correct
46 Correct 82 ms 135036 KB Output is correct
47 Correct 70 ms 135128 KB Output is correct
48 Correct 69 ms 135116 KB Output is correct
49 Correct 69 ms 135060 KB Output is correct
50 Correct 93 ms 135036 KB Output is correct
51 Correct 75 ms 135116 KB Output is correct
52 Correct 68 ms 135024 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 135052 KB Output is correct
2 Correct 73 ms 135072 KB Output is correct
3 Correct 68 ms 135016 KB Output is correct
4 Correct 65 ms 135028 KB Output is correct
5 Correct 84 ms 135032 KB Output is correct
6 Correct 82 ms 135096 KB Output is correct
7 Correct 67 ms 135048 KB Output is correct
8 Correct 72 ms 135092 KB Output is correct
9 Correct 69 ms 135028 KB Output is correct
10 Correct 69 ms 135008 KB Output is correct
11 Correct 69 ms 135008 KB Output is correct
12 Correct 68 ms 134992 KB Output is correct
13 Correct 67 ms 135052 KB Output is correct
14 Correct 77 ms 135080 KB Output is correct
15 Correct 71 ms 135084 KB Output is correct
16 Correct 69 ms 135080 KB Output is correct
17 Correct 69 ms 135060 KB Output is correct
18 Correct 67 ms 135068 KB Output is correct
19 Correct 71 ms 135048 KB Output is correct
20 Correct 70 ms 135100 KB Output is correct
21 Correct 68 ms 134988 KB Output is correct
22 Correct 67 ms 134988 KB Output is correct
23 Correct 68 ms 135112 KB Output is correct
24 Correct 69 ms 135072 KB Output is correct
25 Correct 68 ms 135064 KB Output is correct
26 Correct 68 ms 135100 KB Output is correct
27 Correct 82 ms 135044 KB Output is correct
28 Correct 68 ms 135016 KB Output is correct
29 Correct 70 ms 135084 KB Output is correct
30 Correct 72 ms 135000 KB Output is correct
31 Correct 67 ms 135068 KB Output is correct
32 Correct 95 ms 135020 KB Output is correct
33 Correct 69 ms 135088 KB Output is correct
34 Correct 68 ms 135012 KB Output is correct
35 Correct 68 ms 134984 KB Output is correct
36 Correct 70 ms 135040 KB Output is correct
37 Correct 68 ms 134976 KB Output is correct
38 Correct 69 ms 135056 KB Output is correct
39 Correct 75 ms 135072 KB Output is correct
40 Correct 72 ms 134984 KB Output is correct
41 Correct 68 ms 135092 KB Output is correct
42 Correct 83 ms 134988 KB Output is correct
43 Correct 67 ms 135016 KB Output is correct
44 Correct 68 ms 134988 KB Output is correct
45 Correct 72 ms 135204 KB Output is correct
46 Correct 69 ms 135008 KB Output is correct
47 Correct 77 ms 135052 KB Output is correct
48 Correct 81 ms 135048 KB Output is correct
49 Correct 67 ms 134988 KB Output is correct
50 Correct 67 ms 135056 KB Output is correct
51 Correct 85 ms 135116 KB Output is correct
52 Correct 77 ms 135004 KB Output is correct
53 Correct 72 ms 135100 KB Output is correct
54 Correct 77 ms 135388 KB Output is correct
55 Correct 76 ms 135468 KB Output is correct
56 Correct 97 ms 139180 KB Output is correct
57 Correct 104 ms 139216 KB Output is correct
58 Correct 97 ms 139208 KB Output is correct
59 Correct 99 ms 138360 KB Output is correct
60 Correct 99 ms 139204 KB Output is correct
61 Correct 94 ms 139196 KB Output is correct
62 Correct 104 ms 138344 KB Output is correct
63 Correct 96 ms 138328 KB Output is correct
64 Correct 97 ms 138284 KB Output is correct
65 Correct 98 ms 139196 KB Output is correct
66 Correct 97 ms 138312 KB Output is correct
67 Correct 99 ms 138292 KB Output is correct
68 Correct 120 ms 138316 KB Output is correct
69 Correct 68 ms 135076 KB Output is correct
70 Correct 68 ms 135072 KB Output is correct
71 Correct 96 ms 138288 KB Output is correct
72 Correct 94 ms 138352 KB Output is correct
73 Correct 96 ms 138324 KB Output is correct
74 Correct 69 ms 135060 KB Output is correct
75 Correct 84 ms 135012 KB Output is correct
76 Correct 67 ms 135100 KB Output is correct
77 Correct 69 ms 135000 KB Output is correct
78 Correct 130 ms 137520 KB Output is correct
79 Correct 101 ms 137452 KB Output is correct
80 Correct 120 ms 137464 KB Output is correct
81 Correct 94 ms 138316 KB Output is correct
82 Correct 124 ms 137468 KB Output is correct
83 Correct 123 ms 137488 KB Output is correct
84 Correct 71 ms 135084 KB Output is correct
85 Correct 69 ms 135060 KB Output is correct
86 Correct 76 ms 135072 KB Output is correct
87 Correct 67 ms 135100 KB Output is correct
88 Correct 70 ms 135116 KB Output is correct
89 Correct 68 ms 135080 KB Output is correct
90 Correct 71 ms 135116 KB Output is correct
91 Correct 74 ms 135040 KB Output is correct
92 Correct 72 ms 135132 KB Output is correct
93 Correct 82 ms 135036 KB Output is correct
94 Correct 70 ms 135128 KB Output is correct
95 Correct 69 ms 135116 KB Output is correct
96 Correct 69 ms 135060 KB Output is correct
97 Correct 93 ms 135036 KB Output is correct
98 Correct 75 ms 135116 KB Output is correct
99 Correct 68 ms 135024 KB Output is correct
100 Correct 75 ms 135008 KB Output is correct
101 Correct 85 ms 135484 KB Output is correct
102 Correct 71 ms 135432 KB Output is correct
103 Correct 126 ms 139552 KB Output is correct
104 Correct 129 ms 139724 KB Output is correct
105 Correct 117 ms 139528 KB Output is correct
106 Correct 122 ms 138800 KB Output is correct
107 Correct 102 ms 139560 KB Output is correct
108 Correct 105 ms 139552 KB Output is correct
109 Correct 102 ms 139596 KB Output is correct
110 Correct 105 ms 139552 KB Output is correct
111 Correct 146 ms 138724 KB Output is correct
112 Correct 119 ms 139528 KB Output is correct
113 Correct 101 ms 138700 KB Output is correct
114 Correct 118 ms 138796 KB Output is correct
115 Correct 119 ms 138712 KB Output is correct