oj.uz

Submission #143866

# Submission time Handle Problem Language Result Execution time Memory
143866 2019-08-15T11:21:41 Z Bodo171 Arranging Shoes (IOI19_shoes) C++14
50 / 100
 98 ms 19832 KB 
#include "shoes.h"
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
const int nmax=200005;
vector<int> v[2][nmax];
struct pr
{
    int x,y;
}a[nmax];
bool comp(pr unu,pr doi)
{
    return ((unu.x+unu.y)<(doi.x+doi.y));
}
int fin[nmax],po[nmax];
int nr,i,j,mn,col,poz;
int abss(int x)
{
    if(x<0) return -x;
    return x;
}
int n;
int aib[nmax];
inline int lbit(int x)
{
    return ((x^(x-1))&x);
}
void update(int poz,int val)
{
    for(int idx=poz;idx<=2*n;idx+=lbit(idx))
        aib[idx]+=val;
}
int compute(int poz)
{
    int ret=0;
    for(int idx=poz;idx>0;idx-=lbit(idx))
        ret+=aib[idx];
    return ret;
}
long long count_swaps(vector<int> s) {
    n=s.size();
    n/=2;int ans=0;
    for(int i=0;i<2*n;i++)
    {
        v[(s[i]>0)][abss(s[i])].push_back(i);
    }
    ans=0;
    for(i=1;i<=n;i++)
    {
        for(j=0;j<v[0][i].size();j++)
        {
            a[nr++]={v[0][i][j],v[1][i][j]};
        }
    }
    sort(a,a+nr,comp);
    for(i=0;i<nr;i++)
    {
        fin[a[i].x]=2*i;
        fin[a[i].y]=2*i+1;
    }
    for(i=0;i<2*n;i++)
    {
        ans+=1LL*(i-1LL*compute(fin[i]+1));
        update(fin[i]+1,1);
    }
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:51:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(j=0;j<v[0][i].size();j++)
                 ~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 12 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 16 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9724 KB Output is correct
20 Correct 13 ms 9720 KB Output is correct
21 Correct 12 ms 9720 KB Output is correct
22 Correct 12 ms 9720 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 13 ms 9720 KB Output is correct
28 Correct 12 ms 9716 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9720 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9592 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9664 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9768 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9848 KB Output is correct
16 Correct 10 ms 9724 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 15 ms 10232 KB Output is correct
21 Correct 14 ms 10232 KB Output is correct
22 Correct 56 ms 14488 KB Output is correct
23 Correct 52 ms 14636 KB Output is correct
24 Correct 58 ms 14700 KB Output is correct
25 Incorrect 51 ms 14576 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9724 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 12 ms 9720 KB Output is correct
5 Incorrect 98 ms 19832 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 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 12 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 16 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9724 KB Output is correct
20 Correct 13 ms 9720 KB Output is correct
21 Correct 12 ms 9720 KB Output is correct
22 Correct 12 ms 9720 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 13 ms 9720 KB Output is correct
28 Correct 12 ms 9716 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9720 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 10 ms 9720 KB Output is correct
41 Correct 11 ms 9848 KB Output is correct
42 Correct 11 ms 10104 KB Output is correct
43 Correct 11 ms 9844 KB Output is correct
44 Correct 11 ms 9848 KB Output is correct
45 Correct 11 ms 9720 KB Output is correct
46 Correct 11 ms 9848 KB Output is correct
47 Correct 11 ms 9720 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 10 ms 9848 KB Output is correct
50 Correct 11 ms 9720 KB Output is correct
51 Correct 10 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 12 ms 9720 KB Output is correct
7 Correct 10 ms 9720 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9724 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 16 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9724 KB Output is correct
20 Correct 13 ms 9720 KB Output is correct
21 Correct 12 ms 9720 KB Output is correct
22 Correct 12 ms 9720 KB Output is correct
23 Correct 13 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 13 ms 9720 KB Output is correct
28 Correct 12 ms 9716 KB Output is correct
29 Correct 10 ms 9720 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9720 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9592 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 10 ms 9720 KB Output is correct
41 Correct 10 ms 9664 KB Output is correct
42 Correct 10 ms 9720 KB Output is correct
43 Correct 10 ms 9768 KB Output is correct
44 Correct 10 ms 9720 KB Output is correct
45 Correct 10 ms 9724 KB Output is correct
46 Correct 10 ms 9720 KB Output is correct
47 Correct 10 ms 9720 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 10 ms 9848 KB Output is correct
50 Correct 10 ms 9724 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 10 ms 9720 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 15 ms 10232 KB Output is correct
55 Correct 14 ms 10232 KB Output is correct
56 Correct 56 ms 14488 KB Output is correct
57 Correct 52 ms 14636 KB Output is correct
58 Correct 58 ms 14700 KB Output is correct
59 Incorrect 51 ms 14576 KB Output isn't correct
60 Halted 0 ms 0 KB -