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Submission #638123

# Submission time Handle Problem Language Result Execution time Memory
638123 2022-09-04T16:40:21 Z JJAnawat Arranging Shoes (IOI19_shoes) C++14
100 / 100
 65 ms 18440 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;

bool chk[200005];
vector<int> pl[200005],pr[200005];
int fw[200005];

void up(int x,int v){
    for(int i=x;i<200005;i+=i&-i)
        fw[i]+=v;
}

long long qr(int x){
    long long sum=0;
    for(int i=x;i>0;i-=i&-i)
        sum+=fw[i];
    return sum;
}

long long count_swaps(vector<int> s) {
    int n=s.size();
    for(int i=n-1;i>=0;i--){
        if(s[i]>0)
            pr[s[i]].push_back(i);
        else
            pl[-s[i]].push_back(i);
    }
    long long ans=0;
    for(int i=0;i<n;i++){
        if(chk[i])
            continue;
        int sz=abs(s[i]);
        if(s[i]>0){
            int pos=pl[sz].back();
            chk[pos]=chk[i]=1;
            pl[sz].pop_back();
            pr[sz].pop_back();
            ans+=pos-i-(qr(pos)-qr(i-1));
            up(pos,1);
        }
        else{
            int pos=pr[sz].back();
            chk[pos]=chk[i]=1;
            pl[sz].pop_back();
            pr[sz].pop_back();
            ans+=pos-i-1-(qr(pos)-qr(i-1));
            up(pos,1);
        }
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 6 ms 9632 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9692 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9696 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 7 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 6 ms 9716 KB Output is correct
27 Correct 5 ms 9676 KB Output is correct
28 Correct 6 ms 9684 KB Output is correct
29 Correct 5 ms 9632 KB Output is correct
30 Correct 5 ms 9704 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9624 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9680 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9700 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 6 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 8 ms 10068 KB Output is correct
21 Correct 9 ms 10068 KB Output is correct
22 Correct 31 ms 13064 KB Output is correct
23 Correct 33 ms 13168 KB Output is correct
24 Correct 31 ms 13036 KB Output is correct
25 Correct 31 ms 12656 KB Output is correct
26 Correct 32 ms 13128 KB Output is correct
27 Correct 29 ms 13168 KB Output is correct
28 Correct 32 ms 12644 KB Output is correct
29 Correct 31 ms 12748 KB Output is correct
30 Correct 30 ms 12656 KB Output is correct
31 Correct 32 ms 13060 KB Output is correct
32 Correct 28 ms 12748 KB Output is correct
33 Correct 28 ms 12748 KB Output is correct
34 Correct 28 ms 12736 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9724 KB Output is correct
37 Correct 28 ms 12716 KB Output is correct
38 Correct 28 ms 12672 KB Output is correct
39 Correct 28 ms 12640 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 50 ms 18044 KB Output is correct
6 Correct 39 ms 13180 KB Output is correct
7 Correct 45 ms 17996 KB Output is correct
8 Correct 30 ms 12804 KB Output is correct
9 Correct 48 ms 18028 KB Output is correct
10 Correct 47 ms 14972 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 6 ms 9632 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9692 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9696 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 7 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 6 ms 9716 KB Output is correct
27 Correct 5 ms 9676 KB Output is correct
28 Correct 6 ms 9684 KB Output is correct
29 Correct 5 ms 9632 KB Output is correct
30 Correct 5 ms 9704 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 4 ms 9684 KB Output is correct
39 Correct 4 ms 9684 KB Output is correct
40 Correct 4 ms 9684 KB Output is correct
41 Correct 5 ms 9684 KB Output is correct
42 Correct 6 ms 9800 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 6 ms 9736 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 6 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 ms 9644 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 6 ms 9684 KB Output is correct
52 Correct 6 ms 9812 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 6 ms 9632 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9692 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9696 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 7 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 6 ms 9716 KB Output is correct
27 Correct 5 ms 9676 KB Output is correct
28 Correct 6 ms 9684 KB Output is correct
29 Correct 5 ms 9632 KB Output is correct
30 Correct 5 ms 9704 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 4 ms 9684 KB Output is correct
33 Correct 6 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 5 ms 9624 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 5 ms 9684 KB Output is correct
41 Correct 5 ms 9684 KB Output is correct
42 Correct 5 ms 9680 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 5 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9700 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 6 ms 9684 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 5 ms 9684 KB Output is correct
52 Correct 5 ms 9684 KB Output is correct
53 Correct 5 ms 9684 KB Output is correct
54 Correct 8 ms 10068 KB Output is correct
55 Correct 9 ms 10068 KB Output is correct
56 Correct 31 ms 13064 KB Output is correct
57 Correct 33 ms 13168 KB Output is correct
58 Correct 31 ms 13036 KB Output is correct
59 Correct 31 ms 12656 KB Output is correct
60 Correct 32 ms 13128 KB Output is correct
61 Correct 29 ms 13168 KB Output is correct
62 Correct 32 ms 12644 KB Output is correct
63 Correct 31 ms 12748 KB Output is correct
64 Correct 30 ms 12656 KB Output is correct
65 Correct 32 ms 13060 KB Output is correct
66 Correct 28 ms 12748 KB Output is correct
67 Correct 28 ms 12748 KB Output is correct
68 Correct 28 ms 12736 KB Output is correct
69 Correct 5 ms 9684 KB Output is correct
70 Correct 5 ms 9724 KB Output is correct
71 Correct 28 ms 12716 KB Output is correct
72 Correct 28 ms 12672 KB Output is correct
73 Correct 28 ms 12640 KB Output is correct
74 Correct 5 ms 9684 KB Output is correct
75 Correct 5 ms 9684 KB Output is correct
76 Correct 5 ms 9684 KB Output is correct
77 Correct 5 ms 9684 KB Output is correct
78 Correct 50 ms 18044 KB Output is correct
79 Correct 39 ms 13180 KB Output is correct
80 Correct 45 ms 17996 KB Output is correct
81 Correct 30 ms 12804 KB Output is correct
82 Correct 48 ms 18028 KB Output is correct
83 Correct 47 ms 14972 KB Output is correct
84 Correct 5 ms 9684 KB Output is correct
85 Correct 4 ms 9684 KB Output is correct
86 Correct 4 ms 9684 KB Output is correct
87 Correct 4 ms 9684 KB Output is correct
88 Correct 5 ms 9684 KB Output is correct
89 Correct 6 ms 9800 KB Output is correct
90 Correct 5 ms 9684 KB Output is correct
91 Correct 6 ms 9736 KB Output is correct
92 Correct 5 ms 9684 KB Output is correct
93 Correct 6 ms 9684 KB Output is correct
94 Correct 5 ms 9684 KB Output is correct
95 Correct 5 ms 9644 KB Output is correct
96 Correct 5 ms 9684 KB Output is correct
97 Correct 5 ms 9684 KB Output is correct
98 Correct 6 ms 9684 KB Output is correct
99 Correct 6 ms 9812 KB Output is correct
100 Correct 5 ms 9812 KB Output is correct
101 Correct 9 ms 10500 KB Output is correct
102 Correct 8 ms 10044 KB Output is correct
103 Correct 65 ms 18440 KB Output is correct
104 Correct 60 ms 18416 KB Output is correct
105 Correct 60 ms 15780 KB Output is correct
106 Correct 49 ms 18044 KB Output is correct
107 Correct 44 ms 13772 KB Output is correct
108 Correct 49 ms 14080 KB Output is correct
109 Correct 28 ms 12988 KB Output is correct
110 Correct 28 ms 12748 KB Output is correct
111 Correct 49 ms 17368 KB Output is correct
112 Correct 57 ms 17100 KB Output is correct
113 Correct 40 ms 13388 KB Output is correct
114 Correct 44 ms 18036 KB Output is correct
115 Correct 48 ms 18044 KB Output is correct