oj.uz

Submission #143868

# Submission time Handle Problem Language Result Execution time Memory
143868 2019-08-15T11:23:53 Z Bodo171 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 113 ms 19960 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;long long 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 11 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 11 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 10 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 9720 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 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 9692 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 11 ms 9792 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 10 ms 9756 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9724 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9668 KB Output is correct
36 Correct 10 ms 9732 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 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 12 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 12 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 9724 KB Output is correct
11 Correct 12 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9724 KB Output is correct
14 Correct 10 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 11 ms 9852 KB Output is correct
19 Correct 10 ms 9720 KB Output is correct
20 Correct 15 ms 10360 KB Output is correct
21 Correct 15 ms 10232 KB Output is correct
22 Correct 56 ms 14556 KB Output is correct
23 Correct 52 ms 14652 KB Output is correct
24 Correct 56 ms 14572 KB Output is correct
25 Correct 51 ms 14584 KB Output is correct
26 Correct 56 ms 14700 KB Output is correct
27 Correct 50 ms 14572 KB Output is correct
28 Correct 52 ms 14576 KB Output is correct
29 Correct 52 ms 14576 KB Output is correct
30 Correct 52 ms 14580 KB Output is correct
31 Correct 56 ms 14596 KB Output is correct
32 Correct 52 ms 14576 KB Output is correct
33 Correct 51 ms 14548 KB Output is correct
34 Correct 51 ms 14576 KB Output is correct
35 Correct 10 ms 9720 KB Output is correct
36 Correct 10 ms 9692 KB Output is correct
37 Correct 52 ms 14572 KB Output is correct
38 Correct 52 ms 14576 KB Output is correct
39 Correct 52 ms 14524 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 9720 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 13 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 100 ms 19920 KB Output is correct
6 Correct 76 ms 15096 KB Output is correct
7 Correct 107 ms 19960 KB Output is correct
8 Correct 66 ms 14592 KB Output is correct
9 Correct 100 ms 19960 KB Output is correct
10 Correct 92 ms 16760 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 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 10 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 9720 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 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 9692 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 11 ms 9792 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 10 ms 9756 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9724 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9668 KB Output is correct
36 Correct 10 ms 9732 KB Output is correct
37 Correct 11 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 9724 KB Output is correct
41 Correct 11 ms 9768 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 12 ms 9848 KB Output is correct
44 Correct 11 ms 9800 KB Output is correct
45 Correct 11 ms 9848 KB Output is correct
46 Correct 11 ms 9776 KB Output is correct
47 Correct 11 ms 9720 KB Output is correct
48 Correct 11 ms 9820 KB Output is correct
49 Correct 11 ms 9720 KB Output is correct
50 Correct 12 ms 9720 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 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 10 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 9720 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 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 9692 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 11 ms 9792 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 10 ms 9756 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 10 ms 9724 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 10 ms 9668 KB Output is correct
36 Correct 10 ms 9732 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 12 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 12 ms 9720 KB Output is correct
42 Correct 10 ms 9720 KB Output is correct
43 Correct 10 ms 9720 KB Output is correct
44 Correct 10 ms 9724 KB Output is correct
45 Correct 12 ms 9720 KB Output is correct
46 Correct 10 ms 9720 KB Output is correct
47 Correct 10 ms 9724 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 10 ms 9720 KB Output is correct
50 Correct 10 ms 9720 KB Output is correct
51 Correct 10 ms 9720 KB Output is correct
52 Correct 11 ms 9852 KB Output is correct
53 Correct 10 ms 9720 KB Output is correct
54 Correct 15 ms 10360 KB Output is correct
55 Correct 15 ms 10232 KB Output is correct
56 Correct 56 ms 14556 KB Output is correct
57 Correct 52 ms 14652 KB Output is correct
58 Correct 56 ms 14572 KB Output is correct
59 Correct 51 ms 14584 KB Output is correct
60 Correct 56 ms 14700 KB Output is correct
61 Correct 50 ms 14572 KB Output is correct
62 Correct 52 ms 14576 KB Output is correct
63 Correct 52 ms 14576 KB Output is correct
64 Correct 52 ms 14580 KB Output is correct
65 Correct 56 ms 14596 KB Output is correct
66 Correct 52 ms 14576 KB Output is correct
67 Correct 51 ms 14548 KB Output is correct
68 Correct 51 ms 14576 KB Output is correct
69 Correct 10 ms 9720 KB Output is correct
70 Correct 10 ms 9692 KB Output is correct
71 Correct 52 ms 14572 KB Output is correct
72 Correct 52 ms 14576 KB Output is correct
73 Correct 52 ms 14524 KB Output is correct
74 Correct 13 ms 9720 KB Output is correct
75 Correct 12 ms 9720 KB Output is correct
76 Correct 13 ms 9720 KB Output is correct
77 Correct 10 ms 9720 KB Output is correct
78 Correct 100 ms 19920 KB Output is correct
79 Correct 76 ms 15096 KB Output is correct
80 Correct 107 ms 19960 KB Output is correct
81 Correct 66 ms 14592 KB Output is correct
82 Correct 100 ms 19960 KB Output is correct
83 Correct 92 ms 16760 KB Output is correct
84 Correct 11 ms 9720 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 10 ms 9720 KB Output is correct
87 Correct 10 ms 9724 KB Output is correct
88 Correct 11 ms 9768 KB Output is correct
89 Correct 11 ms 9848 KB Output is correct
90 Correct 12 ms 9848 KB Output is correct
91 Correct 11 ms 9800 KB Output is correct
92 Correct 11 ms 9848 KB Output is correct
93 Correct 11 ms 9776 KB Output is correct
94 Correct 11 ms 9720 KB Output is correct
95 Correct 11 ms 9820 KB Output is correct
96 Correct 11 ms 9720 KB Output is correct
97 Correct 12 ms 9720 KB Output is correct
98 Correct 11 ms 9720 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 11 ms 9848 KB Output is correct
101 Correct 18 ms 10604 KB Output is correct
102 Correct 17 ms 10232 KB Output is correct
103 Correct 113 ms 19892 KB Output is correct
104 Correct 108 ms 19860 KB Output is correct
105 Correct 103 ms 17204 KB Output is correct
106 Correct 96 ms 19832 KB Output is correct
107 Correct 81 ms 15288 KB Output is correct
108 Correct 84 ms 15608 KB Output is correct
109 Correct 65 ms 14832 KB Output is correct
110 Correct 51 ms 14576 KB Output is correct
111 Correct 99 ms 19144 KB Output is correct
112 Correct 103 ms 18552 KB Output is correct
113 Correct 81 ms 15196 KB Output is correct
114 Correct 100 ms 19848 KB Output is correct
115 Correct 99 ms 19960 KB Output is correct