oj.uz

Submission #797957

# Submission time Handle Problem Language Result Execution time Memory
797957 2023-07-30T07:56:52 Z Mularstyle Arranging Shoes (IOI19_shoes) C++14
100 / 100
 121 ms 141392 KB 
#include<bits/stdc++.h>
using namespace std;

#include "shoes.h"
#define ll long long
int n;
ll ar[200005];
bool vis[200005];
void up(int idx,int x)
{
    while(idx<=n)ar[idx]+=x,idx+=(idx&-idx);
}

int re(int idx)
{
    ll sum=0;
    while(idx>0)sum+=ar[idx],idx-=(idx&-idx);
    return sum;
}

long long count_swaps(std::vector<int> os) {

    ll ans=0;
    n=os.size();
    int s[n+5];

    for(int i=1;i<=n;i++)
        s[i]=os[i-1];

    queue<int> S[n];
    int pidx[n+5];

    for(int i=1;i<=n;i++)
    {
        up(i,1);
        if(S[abs(s[i])].empty())
            S[abs(s[i])].push(i);
        else
        {
            int tmp=S[abs(s[i])].front();
            if(s[i]!=s[tmp])//pair
            {
                pidx[i]=tmp;
                pidx[tmp]=i;
                S[abs(s[i])].pop();
            }
            else
            {
                S[abs(s[i])].push(i);
            }
        }
    }


    for(int i=1;i<=n;i++)
    {

    if(vis[pidx[i]])continue;
     vis[i]=1;

      // ans+=re(pidx[i]);
        ans+=( ( re(pidx[i])-re(i-1) )  -2  );

       if(s[i]>0)//rightonleft
           ans++;

        up(i,-1);
        up(pidx[i],-1);

    }

    return ans;

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 468 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 1632 KB Output is correct
19 Correct 1 ms 1596 KB Output is correct
20 Correct 9 ms 14360 KB Output is correct
21 Correct 12 ms 14364 KB Output is correct
22 Correct 94 ms 141004 KB Output is correct
23 Correct 86 ms 141004 KB Output is correct
24 Correct 95 ms 141056 KB Output is correct
25 Correct 91 ms 141096 KB Output is correct
26 Correct 93 ms 141032 KB Output is correct
27 Correct 85 ms 140804 KB Output is correct
28 Correct 89 ms 141368 KB Output is correct
29 Correct 91 ms 141388 KB Output is correct
30 Correct 94 ms 141284 KB Output is correct
31 Correct 97 ms 140980 KB Output is correct
32 Correct 91 ms 141392 KB Output is correct
33 Correct 92 ms 141212 KB Output is correct
34 Correct 91 ms 141380 KB Output is correct
35 Correct 1 ms 312 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 94 ms 141372 KB Output is correct
38 Correct 93 ms 141332 KB Output is correct
39 Correct 95 ms 141364 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 112 ms 140888 KB Output is correct
6 Correct 98 ms 140864 KB Output is correct
7 Correct 112 ms 140876 KB Output is correct
8 Correct 91 ms 141364 KB Output is correct
9 Correct 111 ms 140880 KB Output is correct
10 Correct 108 ms 140972 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 688 KB Output is correct
41 Correct 1 ms 1596 KB Output is correct
42 Correct 1 ms 1620 KB Output is correct
43 Correct 1 ms 1620 KB Output is correct
44 Correct 1 ms 1600 KB Output is correct
45 Correct 1 ms 1620 KB Output is correct
46 Correct 1 ms 1620 KB Output is correct
47 Correct 1 ms 1620 KB Output is correct
48 Correct 1 ms 1620 KB Output is correct
49 Correct 1 ms 1620 KB Output is correct
50 Correct 1 ms 1620 KB Output is correct
51 Correct 2 ms 1620 KB Output is correct
52 Correct 1 ms 1620 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 0 ms 312 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 312 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 308 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 312 KB Output is correct
42 Correct 1 ms 316 KB Output is correct
43 Correct 1 ms 308 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 0 ms 468 KB Output is correct
51 Correct 1 ms 724 KB Output is correct
52 Correct 1 ms 1632 KB Output is correct
53 Correct 1 ms 1596 KB Output is correct
54 Correct 9 ms 14360 KB Output is correct
55 Correct 12 ms 14364 KB Output is correct
56 Correct 94 ms 141004 KB Output is correct
57 Correct 86 ms 141004 KB Output is correct
58 Correct 95 ms 141056 KB Output is correct
59 Correct 91 ms 141096 KB Output is correct
60 Correct 93 ms 141032 KB Output is correct
61 Correct 85 ms 140804 KB Output is correct
62 Correct 89 ms 141368 KB Output is correct
63 Correct 91 ms 141388 KB Output is correct
64 Correct 94 ms 141284 KB Output is correct
65 Correct 97 ms 140980 KB Output is correct
66 Correct 91 ms 141392 KB Output is correct
67 Correct 92 ms 141212 KB Output is correct
68 Correct 91 ms 141380 KB Output is correct
69 Correct 1 ms 312 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 94 ms 141372 KB Output is correct
72 Correct 93 ms 141332 KB Output is correct
73 Correct 95 ms 141364 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 112 ms 140888 KB Output is correct
79 Correct 98 ms 140864 KB Output is correct
80 Correct 112 ms 140876 KB Output is correct
81 Correct 91 ms 141364 KB Output is correct
82 Correct 111 ms 140880 KB Output is correct
83 Correct 108 ms 140972 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 468 KB Output is correct
87 Correct 1 ms 688 KB Output is correct
88 Correct 1 ms 1596 KB Output is correct
89 Correct 1 ms 1620 KB Output is correct
90 Correct 1 ms 1620 KB Output is correct
91 Correct 1 ms 1600 KB Output is correct
92 Correct 1 ms 1620 KB Output is correct
93 Correct 1 ms 1620 KB Output is correct
94 Correct 1 ms 1620 KB Output is correct
95 Correct 1 ms 1620 KB Output is correct
96 Correct 1 ms 1620 KB Output is correct
97 Correct 1 ms 1620 KB Output is correct
98 Correct 2 ms 1620 KB Output is correct
99 Correct 1 ms 1620 KB Output is correct
100 Correct 1 ms 1620 KB Output is correct
101 Correct 13 ms 14292 KB Output is correct
102 Correct 9 ms 14268 KB Output is correct
103 Correct 114 ms 141060 KB Output is correct
104 Correct 102 ms 141044 KB Output is correct
105 Correct 103 ms 140952 KB Output is correct
106 Correct 107 ms 140876 KB Output is correct
107 Correct 102 ms 140984 KB Output is correct
108 Correct 102 ms 141020 KB Output is correct
109 Correct 88 ms 141336 KB Output is correct
110 Correct 91 ms 141288 KB Output is correct
111 Correct 110 ms 140948 KB Output is correct
112 Correct 121 ms 140984 KB Output is correct
113 Correct 96 ms 140912 KB Output is correct
114 Correct 111 ms 140976 KB Output is correct
115 Correct 107 ms 140908 KB Output is correct