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Submission #638122

# Submission time Handle Problem Language Result Execution time Memory
638122 2022-09-04T16:39:44 Z JJAnawat Arranging Shoes (IOI19_shoes) C++14
100 / 100
 63 ms 19688 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));
            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));
            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 9724 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 9724 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9672 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 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9716 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 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 6 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9632 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 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 9724 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9628 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 9684 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 9688 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 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 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 8 ms 10036 KB Output is correct
22 Correct 31 ms 13132 KB Output is correct
23 Correct 31 ms 14404 KB Output is correct
24 Correct 36 ms 14304 KB Output is correct
25 Correct 28 ms 13764 KB Output is correct
26 Correct 34 ms 14416 KB Output is correct
27 Correct 30 ms 14296 KB Output is correct
28 Correct 31 ms 14020 KB Output is correct
29 Correct 30 ms 13992 KB Output is correct
30 Correct 31 ms 13928 KB Output is correct
31 Correct 34 ms 14316 KB Output is correct
32 Correct 31 ms 13996 KB Output is correct
33 Correct 27 ms 13820 KB Output is correct
34 Correct 29 ms 13920 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 7 ms 9652 KB Output is correct
37 Correct 29 ms 13920 KB Output is correct
38 Correct 28 ms 14020 KB Output is correct
39 Correct 30 ms 13916 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 47 ms 18024 KB Output is correct
6 Correct 44 ms 14544 KB Output is correct
7 Correct 46 ms 19312 KB Output is correct
8 Correct 31 ms 13956 KB Output is correct
9 Correct 48 ms 19316 KB Output is correct
10 Correct 48 ms 16196 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 9724 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9672 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 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9716 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 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 6 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9632 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 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 4 ms 9684 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 5 ms 9684 KB Output is correct
41 Correct 6 ms 9684 KB Output is correct
42 Correct 5 ms 9684 KB Output is correct
43 Correct 6 ms 9772 KB Output is correct
44 Correct 4 ms 9684 KB Output is correct
45 Correct 6 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 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 6 ms 9780 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 9724 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9672 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 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9716 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 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 6 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 4 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9632 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 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 9684 KB Output is correct
39 Correct 6 ms 9628 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 9684 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 9688 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 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 8 ms 10036 KB Output is correct
56 Correct 31 ms 13132 KB Output is correct
57 Correct 31 ms 14404 KB Output is correct
58 Correct 36 ms 14304 KB Output is correct
59 Correct 28 ms 13764 KB Output is correct
60 Correct 34 ms 14416 KB Output is correct
61 Correct 30 ms 14296 KB Output is correct
62 Correct 31 ms 14020 KB Output is correct
63 Correct 30 ms 13992 KB Output is correct
64 Correct 31 ms 13928 KB Output is correct
65 Correct 34 ms 14316 KB Output is correct
66 Correct 31 ms 13996 KB Output is correct
67 Correct 27 ms 13820 KB Output is correct
68 Correct 29 ms 13920 KB Output is correct
69 Correct 5 ms 9684 KB Output is correct
70 Correct 7 ms 9652 KB Output is correct
71 Correct 29 ms 13920 KB Output is correct
72 Correct 28 ms 14020 KB Output is correct
73 Correct 30 ms 13916 KB Output is correct
74 Correct 4 ms 9684 KB Output is correct
75 Correct 5 ms 9684 KB Output is correct
76 Correct 4 ms 9684 KB Output is correct
77 Correct 5 ms 9684 KB Output is correct
78 Correct 47 ms 18024 KB Output is correct
79 Correct 44 ms 14544 KB Output is correct
80 Correct 46 ms 19312 KB Output is correct
81 Correct 31 ms 13956 KB Output is correct
82 Correct 48 ms 19316 KB Output is correct
83 Correct 48 ms 16196 KB Output is correct
84 Correct 4 ms 9684 KB Output is correct
85 Correct 5 ms 9684 KB Output is correct
86 Correct 5 ms 9684 KB Output is correct
87 Correct 5 ms 9684 KB Output is correct
88 Correct 6 ms 9684 KB Output is correct
89 Correct 5 ms 9684 KB Output is correct
90 Correct 6 ms 9772 KB Output is correct
91 Correct 4 ms 9684 KB Output is correct
92 Correct 6 ms 9684 KB Output is correct
93 Correct 5 ms 9684 KB Output is correct
94 Correct 5 ms 9684 KB Output is correct
95 Correct 5 ms 9684 KB Output is correct
96 Correct 5 ms 9684 KB Output is correct
97 Correct 5 ms 9684 KB Output is correct
98 Correct 5 ms 9684 KB Output is correct
99 Correct 6 ms 9780 KB Output is correct
100 Correct 7 ms 9812 KB Output is correct
101 Correct 11 ms 10656 KB Output is correct
102 Correct 8 ms 10196 KB Output is correct
103 Correct 63 ms 19656 KB Output is correct
104 Correct 59 ms 19688 KB Output is correct
105 Correct 56 ms 16932 KB Output is correct
106 Correct 50 ms 19304 KB Output is correct
107 Correct 46 ms 14952 KB Output is correct
108 Correct 44 ms 15320 KB Output is correct
109 Correct 29 ms 14312 KB Output is correct
110 Correct 30 ms 13916 KB Output is correct
111 Correct 48 ms 18548 KB Output is correct
112 Correct 57 ms 18272 KB Output is correct
113 Correct 40 ms 14544 KB Output is correct
114 Correct 45 ms 19280 KB Output is correct
115 Correct 45 ms 19256 KB Output is correct