oj.uz

Submission #145285

# Submission time Handle Problem Language Result Execution time Memory
145285 2019-08-19T13:39:05 Z JovanK26 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 436 ms 25976 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
int bit[200001];
void update(int x,int n,int val)
{
    x++;
    while(x<=n)
    {
        bit[x]+=val;
        x+=(x&(-x));
    }
}
int query(int x)
{
    int rez=0;
    x++;
    while(x>0)
    {
        rez+=bit[x];
        x-=(x&(-x));
    }
    return rez;
}
map<int,vector<int> >mp;
long long count_swaps(vector<int> s)
{
    long long rez=0;
    int n=s.size();
    for(int i=0;i<n;i++)
    {
        update(i,n,1);
    }
    for(int i=n-1;i>=0;i--)
    {
        mp[s[i]].push_back(i);
    }
    for(int i=0;i<n;i++)
    {
        if(query(i)-query(i-1)!=1)continue;
        int j=mp[-s[i]].back();
        mp[s[i]].pop_back();
        mp[-s[i]].pop_back();
        update(i,n,-1);
        update(j,n,-1);
        rez+=query(j)-query(i)+(s[i]>0);
    }
    return rez;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 368 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 404 KB Output is correct
32 Correct 2 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 252 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 252 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 7 ms 888 KB Output is correct
21 Correct 7 ms 888 KB Output is correct
22 Correct 51 ms 4876 KB Output is correct
23 Correct 42 ms 4980 KB Output is correct
24 Correct 55 ms 4888 KB Output is correct
25 Correct 44 ms 4840 KB Output is correct
26 Correct 51 ms 5104 KB Output is correct
27 Correct 41 ms 4724 KB Output is correct
28 Correct 46 ms 5104 KB Output is correct
29 Correct 46 ms 5104 KB Output is correct
30 Correct 43 ms 5108 KB Output is correct
31 Correct 51 ms 4876 KB Output is correct
32 Correct 45 ms 5104 KB Output is correct
33 Correct 44 ms 4976 KB Output is correct
34 Correct 49 ms 5108 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 46 ms 5104 KB Output is correct
38 Correct 46 ms 5104 KB Output is correct
39 Correct 45 ms 5104 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 352 ms 25844 KB Output is correct
6 Correct 155 ms 6904 KB Output is correct
7 Correct 360 ms 25848 KB Output is correct
8 Correct 53 ms 4920 KB Output is correct
9 Correct 360 ms 25976 KB Output is correct
10 Correct 277 ms 14968 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 368 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 404 KB Output is correct
32 Correct 2 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 252 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 504 KB Output is correct
42 Correct 3 ms 632 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct
46 Correct 3 ms 504 KB Output is correct
47 Correct 3 ms 504 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 404 KB Output is correct
52 Correct 7 ms 632 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 368 KB Output is correct
11 Correct 2 ms 252 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 404 KB Output is correct
32 Correct 2 ms 380 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 252 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 256 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 256 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 252 KB Output is correct
48 Correct 2 ms 256 KB Output is correct
49 Correct 2 ms 256 KB Output is correct
50 Correct 2 ms 256 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 7 ms 888 KB Output is correct
55 Correct 7 ms 888 KB Output is correct
56 Correct 51 ms 4876 KB Output is correct
57 Correct 42 ms 4980 KB Output is correct
58 Correct 55 ms 4888 KB Output is correct
59 Correct 44 ms 4840 KB Output is correct
60 Correct 51 ms 5104 KB Output is correct
61 Correct 41 ms 4724 KB Output is correct
62 Correct 46 ms 5104 KB Output is correct
63 Correct 46 ms 5104 KB Output is correct
64 Correct 43 ms 5108 KB Output is correct
65 Correct 51 ms 4876 KB Output is correct
66 Correct 45 ms 5104 KB Output is correct
67 Correct 44 ms 4976 KB Output is correct
68 Correct 49 ms 5108 KB Output is correct
69 Correct 2 ms 256 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 46 ms 5104 KB Output is correct
72 Correct 46 ms 5104 KB Output is correct
73 Correct 45 ms 5104 KB Output is correct
74 Correct 2 ms 256 KB Output is correct
75 Correct 2 ms 256 KB Output is correct
76 Correct 2 ms 380 KB Output is correct
77 Correct 2 ms 256 KB Output is correct
78 Correct 352 ms 25844 KB Output is correct
79 Correct 155 ms 6904 KB Output is correct
80 Correct 360 ms 25848 KB Output is correct
81 Correct 53 ms 4920 KB Output is correct
82 Correct 360 ms 25976 KB Output is correct
83 Correct 277 ms 14968 KB Output is correct
84 Correct 2 ms 256 KB Output is correct
85 Correct 2 ms 256 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 3 ms 376 KB Output is correct
88 Correct 3 ms 504 KB Output is correct
89 Correct 3 ms 632 KB Output is correct
90 Correct 3 ms 504 KB Output is correct
91 Correct 3 ms 504 KB Output is correct
92 Correct 3 ms 504 KB Output is correct
93 Correct 3 ms 504 KB Output is correct
94 Correct 3 ms 504 KB Output is correct
95 Correct 3 ms 376 KB Output is correct
96 Correct 3 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 404 KB Output is correct
99 Correct 7 ms 632 KB Output is correct
100 Correct 3 ms 632 KB Output is correct
101 Correct 23 ms 2808 KB Output is correct
102 Correct 16 ms 1144 KB Output is correct
103 Correct 436 ms 25836 KB Output is correct
104 Correct 394 ms 25608 KB Output is correct
105 Correct 331 ms 15188 KB Output is correct
106 Correct 373 ms 24696 KB Output is correct
107 Correct 176 ms 6160 KB Output is correct
108 Correct 215 ms 8056 KB Output is correct
109 Correct 49 ms 3952 KB Output is correct
110 Correct 45 ms 3824 KB Output is correct
111 Correct 359 ms 22140 KB Output is correct
112 Correct 380 ms 19704 KB Output is correct
113 Correct 172 ms 6272 KB Output is correct
114 Correct 375 ms 24820 KB Output is correct
115 Correct 391 ms 24576 KB Output is correct