oj.uz

Submission #208173

# Submission time Handle Problem Language Result Execution time Memory
208173 2020-03-10T07:05:58 Z Autoratch Arranging Shoes (IOI19_shoes) C++14
100 / 100
 203 ms 139512 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

const int N = 2e5 + 1;
const int HSH = 1e5;

int n;
queue<int> q[N];
int fw[N];

void update(int idx,int val){ while(idx<N) fw[idx]+=val,idx+=(idx & -idx); }

int read(int idx){ int val = 0; while(idx>0) val+=fw[idx],idx-=(idx & -idx); return val; }

long long count_swaps(vector<int> s)
{
    long long ans = 0;
    n = s.size();
    for(int i = 0;i < n;i++) q[s[i]+HSH].push(i+1),update(i+1,1);
    for(int i = 1;i <= n;i++)
    {
        int x = s[i-1];
        if(read(i)-read(i-1)==0) continue;
        int y = -x,t = q[y+HSH].front();
        q[x+HSH].pop();
        q[y+HSH].pop();
        ans+=read(t-1)-read(i);
        if(x>y) ans++;
        update(t,-1);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 135032 KB Output is correct
2 Correct 98 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 135032 KB Output is correct
2 Correct 98 ms 135032 KB Output is correct
3 Correct 93 ms 135032 KB Output is correct
4 Correct 99 ms 135040 KB Output is correct
5 Correct 96 ms 135036 KB Output is correct
6 Correct 95 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 98 ms 135032 KB Output is correct
10 Correct 92 ms 135036 KB Output is correct
11 Correct 93 ms 135032 KB Output is correct
12 Correct 92 ms 135032 KB Output is correct
13 Correct 94 ms 135032 KB Output is correct
14 Correct 96 ms 135032 KB Output is correct
15 Correct 96 ms 135032 KB Output is correct
16 Correct 93 ms 135032 KB Output is correct
17 Correct 93 ms 134904 KB Output is correct
18 Correct 94 ms 135032 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 96 ms 135032 KB Output is correct
22 Correct 95 ms 135032 KB Output is correct
23 Correct 96 ms 134904 KB Output is correct
24 Correct 93 ms 135032 KB Output is correct
25 Correct 94 ms 135008 KB Output is correct
26 Correct 95 ms 135032 KB Output is correct
27 Correct 93 ms 135032 KB Output is correct
28 Correct 98 ms 134912 KB Output is correct
29 Correct 94 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 96 ms 135032 KB Output is correct
33 Correct 95 ms 135032 KB Output is correct
34 Correct 96 ms 135032 KB Output is correct
35 Correct 94 ms 135032 KB Output is correct
36 Correct 94 ms 135032 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 135032 KB Output is correct
2 Correct 98 ms 135032 KB Output is correct
3 Correct 100 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 95 ms 135032 KB Output is correct
6 Correct 96 ms 135032 KB Output is correct
7 Correct 94 ms 135032 KB Output is correct
8 Correct 97 ms 135032 KB Output is correct
9 Correct 95 ms 135032 KB Output is correct
10 Correct 93 ms 135032 KB Output is correct
11 Correct 93 ms 135032 KB Output is correct
12 Correct 93 ms 135032 KB Output is correct
13 Correct 92 ms 135032 KB Output is correct
14 Correct 94 ms 135032 KB Output is correct
15 Correct 95 ms 135032 KB Output is correct
16 Correct 94 ms 135032 KB Output is correct
17 Correct 96 ms 135036 KB Output is correct
18 Correct 99 ms 135032 KB Output is correct
19 Correct 98 ms 135032 KB Output is correct
20 Correct 101 ms 135416 KB Output is correct
21 Correct 102 ms 135416 KB Output is correct
22 Correct 147 ms 139384 KB Output is correct
23 Correct 140 ms 139384 KB Output is correct
24 Correct 152 ms 139384 KB Output is correct
25 Correct 148 ms 139384 KB Output is correct
26 Correct 146 ms 139384 KB Output is correct
27 Correct 141 ms 139256 KB Output is correct
28 Correct 149 ms 139384 KB Output is correct
29 Correct 146 ms 139384 KB Output is correct
30 Correct 147 ms 139384 KB Output is correct
31 Correct 151 ms 139384 KB Output is correct
32 Correct 143 ms 139384 KB Output is correct
33 Correct 138 ms 139256 KB Output is correct
34 Correct 145 ms 139400 KB Output is correct
35 Correct 94 ms 135032 KB Output is correct
36 Correct 94 ms 135032 KB Output is correct
37 Correct 147 ms 139384 KB Output is correct
38 Correct 144 ms 139384 KB Output is correct
39 Correct 145 ms 139384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 135032 KB Output is correct
2 Correct 97 ms 135032 KB Output is correct
3 Correct 98 ms 135032 KB Output is correct
4 Correct 93 ms 135032 KB Output is correct
5 Correct 182 ms 138596 KB Output is correct
6 Correct 165 ms 138488 KB Output is correct
7 Correct 185 ms 138488 KB Output is correct
8 Correct 146 ms 139384 KB Output is correct
9 Correct 187 ms 138544 KB Output is correct
10 Correct 203 ms 138616 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 135032 KB Output is correct
2 Correct 98 ms 135032 KB Output is correct
3 Correct 93 ms 135032 KB Output is correct
4 Correct 99 ms 135040 KB Output is correct
5 Correct 96 ms 135036 KB Output is correct
6 Correct 95 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 98 ms 135032 KB Output is correct
10 Correct 92 ms 135036 KB Output is correct
11 Correct 93 ms 135032 KB Output is correct
12 Correct 92 ms 135032 KB Output is correct
13 Correct 94 ms 135032 KB Output is correct
14 Correct 96 ms 135032 KB Output is correct
15 Correct 96 ms 135032 KB Output is correct
16 Correct 93 ms 135032 KB Output is correct
17 Correct 93 ms 134904 KB Output is correct
18 Correct 94 ms 135032 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 96 ms 135032 KB Output is correct
22 Correct 95 ms 135032 KB Output is correct
23 Correct 96 ms 134904 KB Output is correct
24 Correct 93 ms 135032 KB Output is correct
25 Correct 94 ms 135008 KB Output is correct
26 Correct 95 ms 135032 KB Output is correct
27 Correct 93 ms 135032 KB Output is correct
28 Correct 98 ms 134912 KB Output is correct
29 Correct 94 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 96 ms 135032 KB Output is correct
33 Correct 95 ms 135032 KB Output is correct
34 Correct 96 ms 135032 KB Output is correct
35 Correct 94 ms 135032 KB Output is correct
36 Correct 94 ms 135032 KB Output is correct
37 Correct 95 ms 135160 KB Output is correct
38 Correct 95 ms 135032 KB Output is correct
39 Correct 99 ms 135032 KB Output is correct
40 Correct 94 ms 135032 KB Output is correct
41 Correct 94 ms 135032 KB Output is correct
42 Correct 117 ms 135032 KB Output is correct
43 Correct 96 ms 135164 KB Output is correct
44 Correct 93 ms 135032 KB Output is correct
45 Correct 92 ms 135032 KB Output is correct
46 Correct 96 ms 135032 KB Output is correct
47 Correct 97 ms 135032 KB Output is correct
48 Correct 94 ms 135032 KB Output is correct
49 Correct 93 ms 135032 KB Output is correct
50 Correct 99 ms 135032 KB Output is correct
51 Correct 97 ms 135032 KB Output is correct
52 Correct 98 ms 135160 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 135032 KB Output is correct
2 Correct 98 ms 135032 KB Output is correct
3 Correct 93 ms 135032 KB Output is correct
4 Correct 99 ms 135040 KB Output is correct
5 Correct 96 ms 135036 KB Output is correct
6 Correct 95 ms 135032 KB Output is correct
7 Correct 95 ms 135032 KB Output is correct
8 Correct 92 ms 135032 KB Output is correct
9 Correct 98 ms 135032 KB Output is correct
10 Correct 92 ms 135036 KB Output is correct
11 Correct 93 ms 135032 KB Output is correct
12 Correct 92 ms 135032 KB Output is correct
13 Correct 94 ms 135032 KB Output is correct
14 Correct 96 ms 135032 KB Output is correct
15 Correct 96 ms 135032 KB Output is correct
16 Correct 93 ms 135032 KB Output is correct
17 Correct 93 ms 134904 KB Output is correct
18 Correct 94 ms 135032 KB Output is correct
19 Correct 96 ms 135032 KB Output is correct
20 Correct 94 ms 135032 KB Output is correct
21 Correct 96 ms 135032 KB Output is correct
22 Correct 95 ms 135032 KB Output is correct
23 Correct 96 ms 134904 KB Output is correct
24 Correct 93 ms 135032 KB Output is correct
25 Correct 94 ms 135008 KB Output is correct
26 Correct 95 ms 135032 KB Output is correct
27 Correct 93 ms 135032 KB Output is correct
28 Correct 98 ms 134912 KB Output is correct
29 Correct 94 ms 135032 KB Output is correct
30 Correct 93 ms 135032 KB Output is correct
31 Correct 92 ms 135032 KB Output is correct
32 Correct 96 ms 135032 KB Output is correct
33 Correct 95 ms 135032 KB Output is correct
34 Correct 96 ms 135032 KB Output is correct
35 Correct 94 ms 135032 KB Output is correct
36 Correct 94 ms 135032 KB Output is correct
37 Correct 100 ms 135032 KB Output is correct
38 Correct 93 ms 135032 KB Output is correct
39 Correct 95 ms 135032 KB Output is correct
40 Correct 96 ms 135032 KB Output is correct
41 Correct 94 ms 135032 KB Output is correct
42 Correct 97 ms 135032 KB Output is correct
43 Correct 95 ms 135032 KB Output is correct
44 Correct 93 ms 135032 KB Output is correct
45 Correct 93 ms 135032 KB Output is correct
46 Correct 93 ms 135032 KB Output is correct
47 Correct 92 ms 135032 KB Output is correct
48 Correct 94 ms 135032 KB Output is correct
49 Correct 95 ms 135032 KB Output is correct
50 Correct 94 ms 135032 KB Output is correct
51 Correct 96 ms 135036 KB Output is correct
52 Correct 99 ms 135032 KB Output is correct
53 Correct 98 ms 135032 KB Output is correct
54 Correct 101 ms 135416 KB Output is correct
55 Correct 102 ms 135416 KB Output is correct
56 Correct 147 ms 139384 KB Output is correct
57 Correct 140 ms 139384 KB Output is correct
58 Correct 152 ms 139384 KB Output is correct
59 Correct 148 ms 139384 KB Output is correct
60 Correct 146 ms 139384 KB Output is correct
61 Correct 141 ms 139256 KB Output is correct
62 Correct 149 ms 139384 KB Output is correct
63 Correct 146 ms 139384 KB Output is correct
64 Correct 147 ms 139384 KB Output is correct
65 Correct 151 ms 139384 KB Output is correct
66 Correct 143 ms 139384 KB Output is correct
67 Correct 138 ms 139256 KB Output is correct
68 Correct 145 ms 139400 KB Output is correct
69 Correct 94 ms 135032 KB Output is correct
70 Correct 94 ms 135032 KB Output is correct
71 Correct 147 ms 139384 KB Output is correct
72 Correct 144 ms 139384 KB Output is correct
73 Correct 145 ms 139384 KB Output is correct
74 Correct 94 ms 135032 KB Output is correct
75 Correct 97 ms 135032 KB Output is correct
76 Correct 98 ms 135032 KB Output is correct
77 Correct 93 ms 135032 KB Output is correct
78 Correct 182 ms 138596 KB Output is correct
79 Correct 165 ms 138488 KB Output is correct
80 Correct 185 ms 138488 KB Output is correct
81 Correct 146 ms 139384 KB Output is correct
82 Correct 187 ms 138544 KB Output is correct
83 Correct 203 ms 138616 KB Output is correct
84 Correct 95 ms 135160 KB Output is correct
85 Correct 95 ms 135032 KB Output is correct
86 Correct 99 ms 135032 KB Output is correct
87 Correct 94 ms 135032 KB Output is correct
88 Correct 94 ms 135032 KB Output is correct
89 Correct 117 ms 135032 KB Output is correct
90 Correct 96 ms 135164 KB Output is correct
91 Correct 93 ms 135032 KB Output is correct
92 Correct 92 ms 135032 KB Output is correct
93 Correct 96 ms 135032 KB Output is correct
94 Correct 97 ms 135032 KB Output is correct
95 Correct 94 ms 135032 KB Output is correct
96 Correct 93 ms 135032 KB Output is correct
97 Correct 99 ms 135032 KB Output is correct
98 Correct 97 ms 135032 KB Output is correct
99 Correct 98 ms 135160 KB Output is correct
100 Correct 95 ms 135032 KB Output is correct
101 Correct 103 ms 135288 KB Output is correct
102 Correct 105 ms 135288 KB Output is correct
103 Correct 199 ms 138756 KB Output is correct
104 Correct 189 ms 138616 KB Output is correct
105 Correct 193 ms 138616 KB Output is correct
106 Correct 184 ms 138744 KB Output is correct
107 Correct 165 ms 138488 KB Output is correct
108 Correct 177 ms 138488 KB Output is correct
109 Correct 154 ms 139512 KB Output is correct
110 Correct 137 ms 139388 KB Output is correct
111 Correct 191 ms 138488 KB Output is correct
112 Correct 195 ms 138616 KB Output is correct
113 Correct 162 ms 138616 KB Output is correct
114 Correct 183 ms 138488 KB Output is correct
115 Correct 187 ms 138684 KB Output is correct