oj.uz

Submission #643359

# Submission time Handle Problem Language Result Execution time Memory
643359 2022-09-21T21:02:41 Z tigar Arranging Shoes (IOI19_shoes) C++14
100 / 100
 149 ms 141188 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
ll fenvick[200020];


void fenvick_add(int x, int n, int val)
{
    int x1=x;
    while(x1<=n)
    {
        fenvick[x1]+=val;
        x1+=((-x1)&x1);
    }
}

ll fenvick_sum(int x)
{
    int x1=x, rz=0;
    while(x1>0)
    {
        rz+=fenvick[x1];
        x1-=((-x1)&x1);
    }
    return rz;
}

ll count_swaps(vector<int>S)
{
    int n=S.size()/2;
    stack<int>leve[n+1], desne[n+1];
    ll reez=0;
    int poooz[n*2+1]={0};
    for(int i=0; i<2*n; i++)
    {
        if(S[i]<0)leve[-S[i]].push(i+1);
        else desne[S[i]].push(i+1);
    }

    for(int i=1; i<=n; i++)
    {
        while(!leve[i].empty())
        {
            if(desne[i].top()<leve[i].top())reez++;
            poooz[leve[i].top()]=desne[i].top();
            poooz[desne[i].top()]=leve[i].top();
            desne[i].pop();
            leve[i].pop();
        }
    }
    bool check[2*n+1]={false};
    for(int i=1; i<=2*n; i++)
    {
        if(!check[i])
        {
            fenvick_add(i, 2*n, 1);
            fenvick_add(poooz[i], 2*n, 1);
            check[i]=true;
            check[poooz[i]]=true;
        }
        else if(check[i])
        {
            reez+=fenvick_sum(i-1)-fenvick_sum(poooz[i]);
            fenvick_add(i, 2*n, -1);
            fenvick_add(poooz[i], 2*n, -1);
            reez+=fenvick_sum(poooz[i])*2;
        }
    }
    return reez;
}

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 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 1 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 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 308 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 0 ms 308 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 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 1 ms 212 KB Output is correct
4 Correct 1 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 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 304 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 1620 KB Output is correct
19 Correct 2 ms 1620 KB Output is correct
20 Correct 15 ms 14420 KB Output is correct
21 Correct 11 ms 14312 KB Output is correct
22 Correct 120 ms 141132 KB Output is correct
23 Correct 118 ms 141004 KB Output is correct
24 Correct 119 ms 141048 KB Output is correct
25 Correct 116 ms 140828 KB Output is correct
26 Correct 123 ms 141024 KB Output is correct
27 Correct 116 ms 140924 KB Output is correct
28 Correct 116 ms 141068 KB Output is correct
29 Correct 116 ms 141100 KB Output is correct
30 Correct 127 ms 141040 KB Output is correct
31 Correct 120 ms 141052 KB Output is correct
32 Correct 115 ms 141148 KB Output is correct
33 Correct 114 ms 140876 KB Output is correct
34 Correct 119 ms 141140 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 116 ms 141060 KB Output is correct
38 Correct 119 ms 141008 KB Output is correct
39 Correct 118 ms 141084 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 280 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 134 ms 140288 KB Output is correct
6 Correct 124 ms 140204 KB Output is correct
7 Correct 134 ms 140192 KB Output is correct
8 Correct 118 ms 141188 KB Output is correct
9 Correct 137 ms 140248 KB Output is correct
10 Correct 136 ms 140168 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 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 1 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 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 308 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 0 ms 308 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 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 340 KB Output is correct
40 Correct 1 ms 724 KB Output is correct
41 Correct 1 ms 1620 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 1620 KB Output is correct
45 Correct 1 ms 1620 KB Output is correct
46 Correct 2 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 2 ms 1596 KB Output is correct
50 Correct 1 ms 1620 KB Output is correct
51 Correct 1 ms 1596 KB Output is correct
52 Correct 1 ms 1592 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 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 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 1 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 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 308 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 0 ms 308 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 312 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 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 1 ms 212 KB Output is correct
38 Correct 1 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 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 300 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 304 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 468 KB Output is correct
51 Correct 1 ms 724 KB Output is correct
52 Correct 1 ms 1620 KB Output is correct
53 Correct 2 ms 1620 KB Output is correct
54 Correct 15 ms 14420 KB Output is correct
55 Correct 11 ms 14312 KB Output is correct
56 Correct 120 ms 141132 KB Output is correct
57 Correct 118 ms 141004 KB Output is correct
58 Correct 119 ms 141048 KB Output is correct
59 Correct 116 ms 140828 KB Output is correct
60 Correct 123 ms 141024 KB Output is correct
61 Correct 116 ms 140924 KB Output is correct
62 Correct 116 ms 141068 KB Output is correct
63 Correct 116 ms 141100 KB Output is correct
64 Correct 127 ms 141040 KB Output is correct
65 Correct 120 ms 141052 KB Output is correct
66 Correct 115 ms 141148 KB Output is correct
67 Correct 114 ms 140876 KB Output is correct
68 Correct 119 ms 141140 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 116 ms 141060 KB Output is correct
72 Correct 119 ms 141008 KB Output is correct
73 Correct 118 ms 141084 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 1 ms 280 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 0 ms 304 KB Output is correct
78 Correct 134 ms 140288 KB Output is correct
79 Correct 124 ms 140204 KB Output is correct
80 Correct 134 ms 140192 KB Output is correct
81 Correct 118 ms 141188 KB Output is correct
82 Correct 137 ms 140248 KB Output is correct
83 Correct 136 ms 140168 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 340 KB Output is correct
87 Correct 1 ms 724 KB Output is correct
88 Correct 1 ms 1620 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 1620 KB Output is correct
92 Correct 1 ms 1620 KB Output is correct
93 Correct 2 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 2 ms 1596 KB Output is correct
97 Correct 1 ms 1620 KB Output is correct
98 Correct 1 ms 1596 KB Output is correct
99 Correct 1 ms 1592 KB Output is correct
100 Correct 2 ms 1620 KB Output is correct
101 Correct 12 ms 14192 KB Output is correct
102 Correct 12 ms 14228 KB Output is correct
103 Correct 149 ms 140216 KB Output is correct
104 Correct 139 ms 140220 KB Output is correct
105 Correct 149 ms 140236 KB Output is correct
106 Correct 134 ms 140236 KB Output is correct
107 Correct 131 ms 140236 KB Output is correct
108 Correct 133 ms 140220 KB Output is correct
109 Correct 116 ms 141072 KB Output is correct
110 Correct 117 ms 141132 KB Output is correct
111 Correct 141 ms 140300 KB Output is correct
112 Correct 145 ms 140236 KB Output is correct
113 Correct 126 ms 140284 KB Output is correct
114 Correct 131 ms 140288 KB Output is correct
115 Correct 130 ms 140356 KB Output is correct