oj.uz

Submission #384012

# Submission time Handle Problem Language Result Execution time Memory
384012 2021-03-31T08:01:14 Z BartolM Arranging Shoes (IOI19_shoes) C++17
100 / 100
 145 ms 33004 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

#define X first
#define Y second
#define mp make_pair
#define pb push_back
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <int, pii> pip;
typedef pair <pii, int> ppi;
typedef pair <ll, ll> pll;

const int INF=0x3f3f3f3f;
const int N=2e5+5;

int n;
int F[N], bio[N];
set <int> lef[N], rig[N];

void update(int x, int val) {
    for (x++; x<=n; x+=x&-x) F[x]+=val;
}

int query(int x) {
    int ret=0;
    for (x++; x>0; x-=x&-x) ret+=F[x];
    return ret;
}

long long count_swaps(vector<int> v) {
    n=v.size();
    for (int i=0; i<n; ++i) {
        update(i, 1);
        if (v[i]>0) rig[v[i]].insert(i);
        else lef[-v[i]].insert(i);
    }
    ll sol=0;
    for (int i=0; i<n; ++i) {
        if (bio[i]) continue;
        int r, x=abs(v[i]);
        if (v[i]>0) r=*lef[v[i]].begin();
        else r=*rig[-v[i]].begin();
        lef[x].erase(lef[x].begin());
        rig[x].erase(rig[x].begin());
        bio[i]=bio[r]=1;
        sol+=query(r-1)-query(i)+(v[i]>0);
        update(i, -1); update(r, -1);
    }
    return sol;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct
3 Correct 13 ms 19052 KB Output is correct
4 Correct 14 ms 19052 KB Output is correct
5 Correct 13 ms 19052 KB Output is correct
6 Correct 13 ms 19052 KB Output is correct
7 Correct 13 ms 19052 KB Output is correct
8 Correct 14 ms 19052 KB Output is correct
9 Correct 14 ms 19052 KB Output is correct
10 Correct 13 ms 19052 KB Output is correct
11 Correct 13 ms 19052 KB Output is correct
12 Correct 13 ms 19052 KB Output is correct
13 Correct 13 ms 19052 KB Output is correct
14 Correct 16 ms 19052 KB Output is correct
15 Correct 14 ms 19052 KB Output is correct
16 Correct 13 ms 19052 KB Output is correct
17 Correct 13 ms 19052 KB Output is correct
18 Correct 13 ms 19052 KB Output is correct
19 Correct 13 ms 19052 KB Output is correct
20 Correct 13 ms 19052 KB Output is correct
21 Correct 13 ms 19052 KB Output is correct
22 Correct 13 ms 19052 KB Output is correct
23 Correct 13 ms 19052 KB Output is correct
24 Correct 14 ms 19052 KB Output is correct
25 Correct 13 ms 19052 KB Output is correct
26 Correct 13 ms 19052 KB Output is correct
27 Correct 13 ms 19052 KB Output is correct
28 Correct 14 ms 19052 KB Output is correct
29 Correct 13 ms 19052 KB Output is correct
30 Correct 13 ms 19052 KB Output is correct
31 Correct 13 ms 19052 KB Output is correct
32 Correct 14 ms 19180 KB Output is correct
33 Correct 13 ms 19052 KB Output is correct
34 Correct 13 ms 19052 KB Output is correct
35 Correct 13 ms 19052 KB Output is correct
36 Correct 14 ms 19052 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct
3 Correct 13 ms 19052 KB Output is correct
4 Correct 14 ms 19052 KB Output is correct
5 Correct 14 ms 19052 KB Output is correct
6 Correct 13 ms 19052 KB Output is correct
7 Correct 15 ms 19052 KB Output is correct
8 Correct 13 ms 19052 KB Output is correct
9 Correct 13 ms 19052 KB Output is correct
10 Correct 13 ms 19052 KB Output is correct
11 Correct 14 ms 19052 KB Output is correct
12 Correct 13 ms 19052 KB Output is correct
13 Correct 13 ms 19052 KB Output is correct
14 Correct 13 ms 19052 KB Output is correct
15 Correct 14 ms 19052 KB Output is correct
16 Correct 14 ms 19052 KB Output is correct
17 Correct 14 ms 19180 KB Output is correct
18 Correct 14 ms 19200 KB Output is correct
19 Correct 14 ms 19180 KB Output is correct
20 Correct 21 ms 20332 KB Output is correct
21 Correct 20 ms 20332 KB Output is correct
22 Correct 98 ms 31724 KB Output is correct
23 Correct 95 ms 32876 KB Output is correct
24 Correct 90 ms 32876 KB Output is correct
25 Correct 91 ms 32748 KB Output is correct
26 Correct 89 ms 32876 KB Output is correct
27 Correct 97 ms 32748 KB Output is correct
28 Correct 93 ms 32876 KB Output is correct
29 Correct 97 ms 32876 KB Output is correct
30 Correct 96 ms 32876 KB Output is correct
31 Correct 92 ms 32876 KB Output is correct
32 Correct 93 ms 32876 KB Output is correct
33 Correct 94 ms 32748 KB Output is correct
34 Correct 95 ms 32936 KB Output is correct
35 Correct 14 ms 19052 KB Output is correct
36 Correct 14 ms 19180 KB Output is correct
37 Correct 112 ms 32876 KB Output is correct
38 Correct 95 ms 32876 KB Output is correct
39 Correct 98 ms 32876 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct
3 Correct 13 ms 19052 KB Output is correct
4 Correct 15 ms 19052 KB Output is correct
5 Correct 93 ms 31596 KB Output is correct
6 Correct 133 ms 33004 KB Output is correct
7 Correct 91 ms 32876 KB Output is correct
8 Correct 89 ms 32876 KB Output is correct
9 Correct 91 ms 32876 KB Output is correct
10 Correct 109 ms 32876 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct
3 Correct 13 ms 19052 KB Output is correct
4 Correct 14 ms 19052 KB Output is correct
5 Correct 13 ms 19052 KB Output is correct
6 Correct 13 ms 19052 KB Output is correct
7 Correct 13 ms 19052 KB Output is correct
8 Correct 14 ms 19052 KB Output is correct
9 Correct 14 ms 19052 KB Output is correct
10 Correct 13 ms 19052 KB Output is correct
11 Correct 13 ms 19052 KB Output is correct
12 Correct 13 ms 19052 KB Output is correct
13 Correct 13 ms 19052 KB Output is correct
14 Correct 16 ms 19052 KB Output is correct
15 Correct 14 ms 19052 KB Output is correct
16 Correct 13 ms 19052 KB Output is correct
17 Correct 13 ms 19052 KB Output is correct
18 Correct 13 ms 19052 KB Output is correct
19 Correct 13 ms 19052 KB Output is correct
20 Correct 13 ms 19052 KB Output is correct
21 Correct 13 ms 19052 KB Output is correct
22 Correct 13 ms 19052 KB Output is correct
23 Correct 13 ms 19052 KB Output is correct
24 Correct 14 ms 19052 KB Output is correct
25 Correct 13 ms 19052 KB Output is correct
26 Correct 13 ms 19052 KB Output is correct
27 Correct 13 ms 19052 KB Output is correct
28 Correct 14 ms 19052 KB Output is correct
29 Correct 13 ms 19052 KB Output is correct
30 Correct 13 ms 19052 KB Output is correct
31 Correct 13 ms 19052 KB Output is correct
32 Correct 14 ms 19180 KB Output is correct
33 Correct 13 ms 19052 KB Output is correct
34 Correct 13 ms 19052 KB Output is correct
35 Correct 13 ms 19052 KB Output is correct
36 Correct 14 ms 19052 KB Output is correct
37 Correct 13 ms 19052 KB Output is correct
38 Correct 14 ms 19052 KB Output is correct
39 Correct 13 ms 19052 KB Output is correct
40 Correct 13 ms 19180 KB Output is correct
41 Correct 14 ms 19180 KB Output is correct
42 Correct 14 ms 19180 KB Output is correct
43 Correct 14 ms 19180 KB Output is correct
44 Correct 14 ms 19180 KB Output is correct
45 Correct 14 ms 19180 KB Output is correct
46 Correct 14 ms 19180 KB Output is correct
47 Correct 13 ms 19180 KB Output is correct
48 Correct 14 ms 19180 KB Output is correct
49 Correct 15 ms 19180 KB Output is correct
50 Correct 15 ms 19180 KB Output is correct
51 Correct 14 ms 19180 KB Output is correct
52 Correct 15 ms 19180 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 19052 KB Output is correct
2 Correct 13 ms 19052 KB Output is correct
3 Correct 13 ms 19052 KB Output is correct
4 Correct 14 ms 19052 KB Output is correct
5 Correct 13 ms 19052 KB Output is correct
6 Correct 13 ms 19052 KB Output is correct
7 Correct 13 ms 19052 KB Output is correct
8 Correct 14 ms 19052 KB Output is correct
9 Correct 14 ms 19052 KB Output is correct
10 Correct 13 ms 19052 KB Output is correct
11 Correct 13 ms 19052 KB Output is correct
12 Correct 13 ms 19052 KB Output is correct
13 Correct 13 ms 19052 KB Output is correct
14 Correct 16 ms 19052 KB Output is correct
15 Correct 14 ms 19052 KB Output is correct
16 Correct 13 ms 19052 KB Output is correct
17 Correct 13 ms 19052 KB Output is correct
18 Correct 13 ms 19052 KB Output is correct
19 Correct 13 ms 19052 KB Output is correct
20 Correct 13 ms 19052 KB Output is correct
21 Correct 13 ms 19052 KB Output is correct
22 Correct 13 ms 19052 KB Output is correct
23 Correct 13 ms 19052 KB Output is correct
24 Correct 14 ms 19052 KB Output is correct
25 Correct 13 ms 19052 KB Output is correct
26 Correct 13 ms 19052 KB Output is correct
27 Correct 13 ms 19052 KB Output is correct
28 Correct 14 ms 19052 KB Output is correct
29 Correct 13 ms 19052 KB Output is correct
30 Correct 13 ms 19052 KB Output is correct
31 Correct 13 ms 19052 KB Output is correct
32 Correct 14 ms 19180 KB Output is correct
33 Correct 13 ms 19052 KB Output is correct
34 Correct 13 ms 19052 KB Output is correct
35 Correct 13 ms 19052 KB Output is correct
36 Correct 14 ms 19052 KB Output is correct
37 Correct 13 ms 19052 KB Output is correct
38 Correct 14 ms 19052 KB Output is correct
39 Correct 14 ms 19052 KB Output is correct
40 Correct 13 ms 19052 KB Output is correct
41 Correct 15 ms 19052 KB Output is correct
42 Correct 13 ms 19052 KB Output is correct
43 Correct 13 ms 19052 KB Output is correct
44 Correct 13 ms 19052 KB Output is correct
45 Correct 14 ms 19052 KB Output is correct
46 Correct 13 ms 19052 KB Output is correct
47 Correct 13 ms 19052 KB Output is correct
48 Correct 13 ms 19052 KB Output is correct
49 Correct 14 ms 19052 KB Output is correct
50 Correct 14 ms 19052 KB Output is correct
51 Correct 14 ms 19180 KB Output is correct
52 Correct 14 ms 19200 KB Output is correct
53 Correct 14 ms 19180 KB Output is correct
54 Correct 21 ms 20332 KB Output is correct
55 Correct 20 ms 20332 KB Output is correct
56 Correct 98 ms 31724 KB Output is correct
57 Correct 95 ms 32876 KB Output is correct
58 Correct 90 ms 32876 KB Output is correct
59 Correct 91 ms 32748 KB Output is correct
60 Correct 89 ms 32876 KB Output is correct
61 Correct 97 ms 32748 KB Output is correct
62 Correct 93 ms 32876 KB Output is correct
63 Correct 97 ms 32876 KB Output is correct
64 Correct 96 ms 32876 KB Output is correct
65 Correct 92 ms 32876 KB Output is correct
66 Correct 93 ms 32876 KB Output is correct
67 Correct 94 ms 32748 KB Output is correct
68 Correct 95 ms 32936 KB Output is correct
69 Correct 14 ms 19052 KB Output is correct
70 Correct 14 ms 19180 KB Output is correct
71 Correct 112 ms 32876 KB Output is correct
72 Correct 95 ms 32876 KB Output is correct
73 Correct 98 ms 32876 KB Output is correct
74 Correct 13 ms 19052 KB Output is correct
75 Correct 13 ms 19052 KB Output is correct
76 Correct 13 ms 19052 KB Output is correct
77 Correct 15 ms 19052 KB Output is correct
78 Correct 93 ms 31596 KB Output is correct
79 Correct 133 ms 33004 KB Output is correct
80 Correct 91 ms 32876 KB Output is correct
81 Correct 89 ms 32876 KB Output is correct
82 Correct 91 ms 32876 KB Output is correct
83 Correct 109 ms 32876 KB Output is correct
84 Correct 13 ms 19052 KB Output is correct
85 Correct 14 ms 19052 KB Output is correct
86 Correct 13 ms 19052 KB Output is correct
87 Correct 13 ms 19180 KB Output is correct
88 Correct 14 ms 19180 KB Output is correct
89 Correct 14 ms 19180 KB Output is correct
90 Correct 14 ms 19180 KB Output is correct
91 Correct 14 ms 19180 KB Output is correct
92 Correct 14 ms 19180 KB Output is correct
93 Correct 14 ms 19180 KB Output is correct
94 Correct 13 ms 19180 KB Output is correct
95 Correct 14 ms 19180 KB Output is correct
96 Correct 15 ms 19180 KB Output is correct
97 Correct 15 ms 19180 KB Output is correct
98 Correct 14 ms 19180 KB Output is correct
99 Correct 15 ms 19180 KB Output is correct
100 Correct 13 ms 19180 KB Output is correct
101 Correct 20 ms 20460 KB Output is correct
102 Correct 21 ms 20460 KB Output is correct
103 Correct 128 ms 32876 KB Output is correct
104 Correct 100 ms 32876 KB Output is correct
105 Correct 130 ms 32876 KB Output is correct
106 Correct 105 ms 32876 KB Output is correct
107 Correct 145 ms 32876 KB Output is correct
108 Correct 128 ms 32876 KB Output is correct
109 Correct 90 ms 32876 KB Output is correct
110 Correct 95 ms 32876 KB Output is correct
111 Correct 109 ms 32876 KB Output is correct
112 Correct 125 ms 32876 KB Output is correct
113 Correct 142 ms 32876 KB Output is correct
114 Correct 102 ms 32876 KB Output is correct
115 Correct 99 ms 32876 KB Output is correct