oj.uz

답안 #155777

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
155777 2019-09-30T13:41:18 Z akobi Arranging Shoes (IOI19_shoes) C++14
100 / 100
 136 ms 23928 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define F first
#define S second
#define mp make_pair
#define pb push_back
#define N 200005
ll n,fix[N],ans,f[2*N];
pair< vector<ll>,ll > v1[N],v2[N];
void upd(ll u)
{
    u++;
    while (u<=2*n)
    {
        f[u]++;
        u+=(u&(-u));
    }
    return;
}
ll get(ll u,ll v)
{
    v++;
    ll tans=0;
    while (v>0)
    {
        tans+=f[v];
        v-=(v&(-v));
    }
    while (u>0)
    {
        tans-=f[u];
        u-=(u&(-u));
    }
    return tans;
}
ll count_swaps(vector<int> a)
{
    n=a.size()/2;
    for (int i=0; i<2*n; i++)
    {
        if (a[i]<0)
        {
            v1[-a[i]].F.pb(i);
            if ( v2[-a[i]].F.size()-v2[-a[i]].S>0 )
            {
                //cout<<i<<" "<<(v2[-a[i]].F)[ v2[-a[i]].S ]<<endl;
                fix[i]= (v2[-a[i]].F)[ v2[-a[i]].S ];
                fix[ (v2[-a[i]].F)[ v2[-a[i]].S ] ]
                    =(v2[-a[i]].F)[ v2[-a[i]].S ];
                v1[-a[i]].S++;
                v2[-a[i]].S++;
            }
        }
        else
        {
            v2[a[i]].F.pb(i);
            if ( v1[a[i]].F.size()-v1[a[i]].S>0 )
            {
                //cout<<i<<" "<<(v1[a[i]].F)[ v1[a[i]].S ]<<endl;
                fix[i]= (v1[a[i]].F)[ v1[a[i]].S ];
                fix[ (v1[a[i]].F)[ v1[a[i]].S ] ]
                    =(v1[a[i]].F)[ v1[a[i]].S ];
                v2[a[i]].S++;
                v1[a[i]].S++;
            }
        }
    }
    for (int i=0; i<2*n; i++)
    {
        upd(fix[i]);
        if (i==fix[i])
            continue;
        ans+=get(fix[i]+1,i);
        if (a[i]<a[fix[i]])
            ans++;
    }
  	return ans;
    //cout<<ans<<endl;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12792 KB Output is correct
2 Correct 13 ms 12792 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12792 KB Output is correct
2 Correct 13 ms 12792 KB Output is correct
3 Correct 14 ms 12920 KB Output is correct
4 Correct 13 ms 12792 KB Output is correct
5 Correct 13 ms 12784 KB Output is correct
6 Correct 12 ms 12920 KB Output is correct
7 Correct 13 ms 12892 KB Output is correct
8 Correct 13 ms 12792 KB Output is correct
9 Correct 13 ms 12792 KB Output is correct
10 Correct 13 ms 12792 KB Output is correct
11 Correct 12 ms 12892 KB Output is correct
12 Correct 12 ms 12920 KB Output is correct
13 Correct 13 ms 12792 KB Output is correct
14 Correct 13 ms 12792 KB Output is correct
15 Correct 13 ms 12920 KB Output is correct
16 Correct 12 ms 12792 KB Output is correct
17 Correct 12 ms 12920 KB Output is correct
18 Correct 13 ms 12920 KB Output is correct
19 Correct 15 ms 12796 KB Output is correct
20 Correct 15 ms 12792 KB Output is correct
21 Correct 13 ms 12920 KB Output is correct
22 Correct 13 ms 12792 KB Output is correct
23 Correct 13 ms 12920 KB Output is correct
24 Correct 16 ms 12792 KB Output is correct
25 Correct 15 ms 12792 KB Output is correct
26 Correct 15 ms 12792 KB Output is correct
27 Correct 13 ms 12792 KB Output is correct
28 Correct 16 ms 12792 KB Output is correct
29 Correct 15 ms 12792 KB Output is correct
30 Correct 15 ms 12920 KB Output is correct
31 Correct 13 ms 12920 KB Output is correct
32 Correct 13 ms 12792 KB Output is correct
33 Correct 13 ms 12792 KB Output is correct
34 Correct 15 ms 12924 KB Output is correct
35 Correct 15 ms 12792 KB Output is correct
36 Correct 18 ms 12920 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12792 KB Output is correct
2 Correct 13 ms 12792 KB Output is correct
3 Correct 13 ms 12920 KB Output is correct
4 Correct 13 ms 12792 KB Output is correct
5 Correct 13 ms 12920 KB Output is correct
6 Correct 15 ms 12920 KB Output is correct
7 Correct 13 ms 12792 KB Output is correct
8 Correct 16 ms 12920 KB Output is correct
9 Correct 16 ms 12792 KB Output is correct
10 Correct 16 ms 12920 KB Output is correct
11 Correct 13 ms 12920 KB Output is correct
12 Correct 13 ms 12792 KB Output is correct
13 Correct 16 ms 12792 KB Output is correct
14 Correct 15 ms 12792 KB Output is correct
15 Correct 13 ms 12920 KB Output is correct
16 Correct 13 ms 12920 KB Output is correct
17 Correct 13 ms 12920 KB Output is correct
18 Correct 13 ms 12892 KB Output is correct
19 Correct 13 ms 12920 KB Output is correct
20 Correct 17 ms 13560 KB Output is correct
21 Correct 17 ms 13632 KB Output is correct
22 Correct 52 ms 19244 KB Output is correct
23 Correct 56 ms 19248 KB Output is correct
24 Correct 55 ms 19208 KB Output is correct
25 Correct 54 ms 18408 KB Output is correct
26 Correct 56 ms 19280 KB Output is correct
27 Correct 49 ms 19300 KB Output is correct
28 Correct 51 ms 18536 KB Output is correct
29 Correct 56 ms 18512 KB Output is correct
30 Correct 51 ms 18412 KB Output is correct
31 Correct 55 ms 19192 KB Output is correct
32 Correct 51 ms 18444 KB Output is correct
33 Correct 49 ms 18496 KB Output is correct
34 Correct 50 ms 18412 KB Output is correct
35 Correct 13 ms 12792 KB Output is correct
36 Correct 13 ms 12792 KB Output is correct
37 Correct 51 ms 18512 KB Output is correct
38 Correct 54 ms 18556 KB Output is correct
39 Correct 51 ms 18540 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12920 KB Output is correct
2 Correct 13 ms 12920 KB Output is correct
3 Correct 13 ms 12892 KB Output is correct
4 Correct 13 ms 12792 KB Output is correct
5 Correct 90 ms 23032 KB Output is correct
6 Correct 85 ms 19420 KB Output is correct
7 Correct 112 ms 23032 KB Output is correct
8 Correct 55 ms 18980 KB Output is correct
9 Correct 91 ms 23032 KB Output is correct
10 Correct 97 ms 20376 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12792 KB Output is correct
2 Correct 13 ms 12792 KB Output is correct
3 Correct 14 ms 12920 KB Output is correct
4 Correct 13 ms 12792 KB Output is correct
5 Correct 13 ms 12784 KB Output is correct
6 Correct 12 ms 12920 KB Output is correct
7 Correct 13 ms 12892 KB Output is correct
8 Correct 13 ms 12792 KB Output is correct
9 Correct 13 ms 12792 KB Output is correct
10 Correct 13 ms 12792 KB Output is correct
11 Correct 12 ms 12892 KB Output is correct
12 Correct 12 ms 12920 KB Output is correct
13 Correct 13 ms 12792 KB Output is correct
14 Correct 13 ms 12792 KB Output is correct
15 Correct 13 ms 12920 KB Output is correct
16 Correct 12 ms 12792 KB Output is correct
17 Correct 12 ms 12920 KB Output is correct
18 Correct 13 ms 12920 KB Output is correct
19 Correct 15 ms 12796 KB Output is correct
20 Correct 15 ms 12792 KB Output is correct
21 Correct 13 ms 12920 KB Output is correct
22 Correct 13 ms 12792 KB Output is correct
23 Correct 13 ms 12920 KB Output is correct
24 Correct 16 ms 12792 KB Output is correct
25 Correct 15 ms 12792 KB Output is correct
26 Correct 15 ms 12792 KB Output is correct
27 Correct 13 ms 12792 KB Output is correct
28 Correct 16 ms 12792 KB Output is correct
29 Correct 15 ms 12792 KB Output is correct
30 Correct 15 ms 12920 KB Output is correct
31 Correct 13 ms 12920 KB Output is correct
32 Correct 13 ms 12792 KB Output is correct
33 Correct 13 ms 12792 KB Output is correct
34 Correct 15 ms 12924 KB Output is correct
35 Correct 15 ms 12792 KB Output is correct
36 Correct 18 ms 12920 KB Output is correct
37 Correct 13 ms 12920 KB Output is correct
38 Correct 12 ms 12920 KB Output is correct
39 Correct 13 ms 12920 KB Output is correct
40 Correct 13 ms 12920 KB Output is correct
41 Correct 14 ms 12920 KB Output is correct
42 Correct 13 ms 12920 KB Output is correct
43 Correct 13 ms 12920 KB Output is correct
44 Correct 16 ms 12920 KB Output is correct
45 Correct 14 ms 12920 KB Output is correct
46 Correct 14 ms 12928 KB Output is correct
47 Correct 16 ms 12920 KB Output is correct
48 Correct 14 ms 12924 KB Output is correct
49 Correct 14 ms 12920 KB Output is correct
50 Correct 11 ms 12920 KB Output is correct
51 Correct 13 ms 12920 KB Output is correct
52 Correct 14 ms 12920 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 12792 KB Output is correct
2 Correct 13 ms 12792 KB Output is correct
3 Correct 14 ms 12920 KB Output is correct
4 Correct 13 ms 12792 KB Output is correct
5 Correct 13 ms 12784 KB Output is correct
6 Correct 12 ms 12920 KB Output is correct
7 Correct 13 ms 12892 KB Output is correct
8 Correct 13 ms 12792 KB Output is correct
9 Correct 13 ms 12792 KB Output is correct
10 Correct 13 ms 12792 KB Output is correct
11 Correct 12 ms 12892 KB Output is correct
12 Correct 12 ms 12920 KB Output is correct
13 Correct 13 ms 12792 KB Output is correct
14 Correct 13 ms 12792 KB Output is correct
15 Correct 13 ms 12920 KB Output is correct
16 Correct 12 ms 12792 KB Output is correct
17 Correct 12 ms 12920 KB Output is correct
18 Correct 13 ms 12920 KB Output is correct
19 Correct 15 ms 12796 KB Output is correct
20 Correct 15 ms 12792 KB Output is correct
21 Correct 13 ms 12920 KB Output is correct
22 Correct 13 ms 12792 KB Output is correct
23 Correct 13 ms 12920 KB Output is correct
24 Correct 16 ms 12792 KB Output is correct
25 Correct 15 ms 12792 KB Output is correct
26 Correct 15 ms 12792 KB Output is correct
27 Correct 13 ms 12792 KB Output is correct
28 Correct 16 ms 12792 KB Output is correct
29 Correct 15 ms 12792 KB Output is correct
30 Correct 15 ms 12920 KB Output is correct
31 Correct 13 ms 12920 KB Output is correct
32 Correct 13 ms 12792 KB Output is correct
33 Correct 13 ms 12792 KB Output is correct
34 Correct 15 ms 12924 KB Output is correct
35 Correct 15 ms 12792 KB Output is correct
36 Correct 18 ms 12920 KB Output is correct
37 Correct 13 ms 12920 KB Output is correct
38 Correct 13 ms 12792 KB Output is correct
39 Correct 13 ms 12920 KB Output is correct
40 Correct 15 ms 12920 KB Output is correct
41 Correct 13 ms 12792 KB Output is correct
42 Correct 16 ms 12920 KB Output is correct
43 Correct 16 ms 12792 KB Output is correct
44 Correct 16 ms 12920 KB Output is correct
45 Correct 13 ms 12920 KB Output is correct
46 Correct 13 ms 12792 KB Output is correct
47 Correct 16 ms 12792 KB Output is correct
48 Correct 15 ms 12792 KB Output is correct
49 Correct 13 ms 12920 KB Output is correct
50 Correct 13 ms 12920 KB Output is correct
51 Correct 13 ms 12920 KB Output is correct
52 Correct 13 ms 12892 KB Output is correct
53 Correct 13 ms 12920 KB Output is correct
54 Correct 17 ms 13560 KB Output is correct
55 Correct 17 ms 13632 KB Output is correct
56 Correct 52 ms 19244 KB Output is correct
57 Correct 56 ms 19248 KB Output is correct
58 Correct 55 ms 19208 KB Output is correct
59 Correct 54 ms 18408 KB Output is correct
60 Correct 56 ms 19280 KB Output is correct
61 Correct 49 ms 19300 KB Output is correct
62 Correct 51 ms 18536 KB Output is correct
63 Correct 56 ms 18512 KB Output is correct
64 Correct 51 ms 18412 KB Output is correct
65 Correct 55 ms 19192 KB Output is correct
66 Correct 51 ms 18444 KB Output is correct
67 Correct 49 ms 18496 KB Output is correct
68 Correct 50 ms 18412 KB Output is correct
69 Correct 13 ms 12792 KB Output is correct
70 Correct 13 ms 12792 KB Output is correct
71 Correct 51 ms 18512 KB Output is correct
72 Correct 54 ms 18556 KB Output is correct
73 Correct 51 ms 18540 KB Output is correct
74 Correct 13 ms 12920 KB Output is correct
75 Correct 13 ms 12920 KB Output is correct
76 Correct 13 ms 12892 KB Output is correct
77 Correct 13 ms 12792 KB Output is correct
78 Correct 90 ms 23032 KB Output is correct
79 Correct 85 ms 19420 KB Output is correct
80 Correct 112 ms 23032 KB Output is correct
81 Correct 55 ms 18980 KB Output is correct
82 Correct 91 ms 23032 KB Output is correct
83 Correct 97 ms 20376 KB Output is correct
84 Correct 13 ms 12920 KB Output is correct
85 Correct 12 ms 12920 KB Output is correct
86 Correct 13 ms 12920 KB Output is correct
87 Correct 13 ms 12920 KB Output is correct
88 Correct 14 ms 12920 KB Output is correct
89 Correct 13 ms 12920 KB Output is correct
90 Correct 13 ms 12920 KB Output is correct
91 Correct 16 ms 12920 KB Output is correct
92 Correct 14 ms 12920 KB Output is correct
93 Correct 14 ms 12928 KB Output is correct
94 Correct 16 ms 12920 KB Output is correct
95 Correct 14 ms 12924 KB Output is correct
96 Correct 14 ms 12920 KB Output is correct
97 Correct 11 ms 12920 KB Output is correct
98 Correct 13 ms 12920 KB Output is correct
99 Correct 14 ms 12920 KB Output is correct
100 Correct 13 ms 12920 KB Output is correct
101 Correct 20 ms 13816 KB Output is correct
102 Correct 20 ms 13560 KB Output is correct
103 Correct 136 ms 23908 KB Output is correct
104 Correct 94 ms 23928 KB Output is correct
105 Correct 98 ms 21400 KB Output is correct
106 Correct 97 ms 22976 KB Output is correct
107 Correct 73 ms 20444 KB Output is correct
108 Correct 79 ms 20472 KB Output is correct
109 Correct 52 ms 19180 KB Output is correct
110 Correct 50 ms 18512 KB Output is correct
111 Correct 101 ms 22316 KB Output is correct
112 Correct 124 ms 22392 KB Output is correct
113 Correct 85 ms 19448 KB Output is correct
114 Correct 99 ms 23072 KB Output is correct
115 Correct 94 ms 22992 KB Output is correct