oj.uz

Submission #155776

# Submission time Handle Problem Language Result Execution time Memory
155776 2019-09-30T13:38:17 Z akobi Arranging Shoes (IOI19_shoes) C++14
50 / 100
 56 ms 19820 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 100005
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

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6520 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6520 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6612 KB Output is correct
5 Correct 7 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 7 ms 6520 KB Output is correct
8 Correct 7 ms 6648 KB Output is correct
9 Correct 7 ms 6648 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 7 ms 6520 KB Output is correct
12 Correct 7 ms 6524 KB Output is correct
13 Correct 9 ms 6648 KB Output is correct
14 Correct 7 ms 6520 KB Output is correct
15 Correct 9 ms 6648 KB Output is correct
16 Correct 7 ms 6652 KB Output is correct
17 Correct 7 ms 6520 KB Output is correct
18 Correct 7 ms 6520 KB Output is correct
19 Correct 7 ms 6520 KB Output is correct
20 Correct 8 ms 6648 KB Output is correct
21 Correct 7 ms 6648 KB Output is correct
22 Correct 7 ms 6648 KB Output is correct
23 Correct 7 ms 6520 KB Output is correct
24 Correct 7 ms 6520 KB Output is correct
25 Correct 7 ms 6648 KB Output is correct
26 Correct 7 ms 6520 KB Output is correct
27 Correct 7 ms 6648 KB Output is correct
28 Correct 8 ms 6648 KB Output is correct
29 Correct 7 ms 6520 KB Output is correct
30 Correct 7 ms 6620 KB Output is correct
31 Correct 9 ms 6520 KB Output is correct
32 Correct 7 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 9 ms 6520 KB Output is correct
35 Correct 7 ms 6648 KB Output is correct
36 Correct 7 ms 6648 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6520 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct
3 Correct 9 ms 6620 KB Output is correct
4 Correct 8 ms 6648 KB Output is correct
5 Correct 7 ms 6520 KB Output is correct
6 Correct 7 ms 6648 KB Output is correct
7 Correct 7 ms 6520 KB Output is correct
8 Correct 7 ms 6648 KB Output is correct
9 Correct 7 ms 6652 KB Output is correct
10 Correct 7 ms 6520 KB Output is correct
11 Correct 7 ms 6520 KB Output is correct
12 Correct 9 ms 6524 KB Output is correct
13 Correct 8 ms 6648 KB Output is correct
14 Correct 7 ms 6648 KB Output is correct
15 Correct 7 ms 6648 KB Output is correct
16 Correct 7 ms 6520 KB Output is correct
17 Correct 6 ms 6648 KB Output is correct
18 Correct 8 ms 6648 KB Output is correct
19 Correct 8 ms 6648 KB Output is correct
20 Correct 12 ms 7288 KB Output is correct
21 Correct 12 ms 7360 KB Output is correct
22 Runtime error 49 ms 19820 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6648 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 7 ms 6520 KB Output is correct
5 Incorrect 56 ms 11256 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6520 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6612 KB Output is correct
5 Correct 7 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 7 ms 6520 KB Output is correct
8 Correct 7 ms 6648 KB Output is correct
9 Correct 7 ms 6648 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 7 ms 6520 KB Output is correct
12 Correct 7 ms 6524 KB Output is correct
13 Correct 9 ms 6648 KB Output is correct
14 Correct 7 ms 6520 KB Output is correct
15 Correct 9 ms 6648 KB Output is correct
16 Correct 7 ms 6652 KB Output is correct
17 Correct 7 ms 6520 KB Output is correct
18 Correct 7 ms 6520 KB Output is correct
19 Correct 7 ms 6520 KB Output is correct
20 Correct 8 ms 6648 KB Output is correct
21 Correct 7 ms 6648 KB Output is correct
22 Correct 7 ms 6648 KB Output is correct
23 Correct 7 ms 6520 KB Output is correct
24 Correct 7 ms 6520 KB Output is correct
25 Correct 7 ms 6648 KB Output is correct
26 Correct 7 ms 6520 KB Output is correct
27 Correct 7 ms 6648 KB Output is correct
28 Correct 8 ms 6648 KB Output is correct
29 Correct 7 ms 6520 KB Output is correct
30 Correct 7 ms 6620 KB Output is correct
31 Correct 9 ms 6520 KB Output is correct
32 Correct 7 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 9 ms 6520 KB Output is correct
35 Correct 7 ms 6648 KB Output is correct
36 Correct 7 ms 6648 KB Output is correct
37 Correct 7 ms 6648 KB Output is correct
38 Correct 7 ms 6520 KB Output is correct
39 Correct 8 ms 6648 KB Output is correct
40 Correct 8 ms 6648 KB Output is correct
41 Correct 8 ms 6648 KB Output is correct
42 Correct 8 ms 6648 KB Output is correct
43 Correct 8 ms 6648 KB Output is correct
44 Correct 8 ms 6652 KB Output is correct
45 Correct 8 ms 6648 KB Output is correct
46 Correct 8 ms 6652 KB Output is correct
47 Correct 8 ms 6648 KB Output is correct
48 Correct 8 ms 6648 KB Output is correct
49 Correct 8 ms 6648 KB Output is correct
50 Correct 8 ms 6648 KB Output is correct
51 Correct 8 ms 6648 KB Output is correct
52 Correct 9 ms 6648 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6520 KB Output is correct
2 Correct 7 ms 6520 KB Output is correct
3 Correct 7 ms 6648 KB Output is correct
4 Correct 8 ms 6612 KB Output is correct
5 Correct 7 ms 6648 KB Output is correct
6 Correct 8 ms 6648 KB Output is correct
7 Correct 7 ms 6520 KB Output is correct
8 Correct 7 ms 6648 KB Output is correct
9 Correct 7 ms 6648 KB Output is correct
10 Correct 8 ms 6648 KB Output is correct
11 Correct 7 ms 6520 KB Output is correct
12 Correct 7 ms 6524 KB Output is correct
13 Correct 9 ms 6648 KB Output is correct
14 Correct 7 ms 6520 KB Output is correct
15 Correct 9 ms 6648 KB Output is correct
16 Correct 7 ms 6652 KB Output is correct
17 Correct 7 ms 6520 KB Output is correct
18 Correct 7 ms 6520 KB Output is correct
19 Correct 7 ms 6520 KB Output is correct
20 Correct 8 ms 6648 KB Output is correct
21 Correct 7 ms 6648 KB Output is correct
22 Correct 7 ms 6648 KB Output is correct
23 Correct 7 ms 6520 KB Output is correct
24 Correct 7 ms 6520 KB Output is correct
25 Correct 7 ms 6648 KB Output is correct
26 Correct 7 ms 6520 KB Output is correct
27 Correct 7 ms 6648 KB Output is correct
28 Correct 8 ms 6648 KB Output is correct
29 Correct 7 ms 6520 KB Output is correct
30 Correct 7 ms 6620 KB Output is correct
31 Correct 9 ms 6520 KB Output is correct
32 Correct 7 ms 6520 KB Output is correct
33 Correct 8 ms 6520 KB Output is correct
34 Correct 9 ms 6520 KB Output is correct
35 Correct 7 ms 6648 KB Output is correct
36 Correct 7 ms 6648 KB Output is correct
37 Correct 9 ms 6620 KB Output is correct
38 Correct 8 ms 6648 KB Output is correct
39 Correct 7 ms 6520 KB Output is correct
40 Correct 7 ms 6648 KB Output is correct
41 Correct 7 ms 6520 KB Output is correct
42 Correct 7 ms 6648 KB Output is correct
43 Correct 7 ms 6652 KB Output is correct
44 Correct 7 ms 6520 KB Output is correct
45 Correct 7 ms 6520 KB Output is correct
46 Correct 9 ms 6524 KB Output is correct
47 Correct 8 ms 6648 KB Output is correct
48 Correct 7 ms 6648 KB Output is correct
49 Correct 7 ms 6648 KB Output is correct
50 Correct 7 ms 6520 KB Output is correct
51 Correct 6 ms 6648 KB Output is correct
52 Correct 8 ms 6648 KB Output is correct
53 Correct 8 ms 6648 KB Output is correct
54 Correct 12 ms 7288 KB Output is correct
55 Correct 12 ms 7360 KB Output is correct
56 Runtime error 49 ms 19820 KB Execution killed with signal 11 (could be triggered by violating memory limits)
57 Halted 0 ms 0 KB -