oj.uz

Submission #959579

# Submission time Handle Problem Language Result Execution time Memory
959579 2024-04-08T13:15:26 Z AndreiBOTO Arranging Shoes (IOI19_shoes) C++14
100 / 100
 213 ms 275128 KB 
#include <bits/stdc++.h>

#pragma optimize GCC ("Ofast")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")

///#include <tryhardmode>
///#include <GODMODE::ON>

using namespace std;

const int NMAX=2e5+5;

queue<int>right_shoe[NMAX];
queue<int>left_shoe[NMAX];

bool viz[NMAX];
int aib[NMAX];
int v[NMAX];
int n;

int lsb(int x)
{
    return x&(-x);
}

void update(int p,int val)
{
    while(p<=n)
    {
        aib[p]+=val;
        p+=lsb(p);
    }
}

long long query(int p)
{
    long long s=0;
    while(p>0)
    {
        s+=aib[p];
        p-=lsb(p);
    }
    return s;
}

long long query_range(int x,int y)
{
    return query(y)-query(x-1);
}

long long count_swaps(vector<int>a)
{
    int i;
    long long kon=0;
    n=a.size();
    for(i=1;i<=n;i++)
        v[i]=a[i-1];
    for(i=1;i<=n;i++)
    {
        if(v[i]<0)
            left_shoe[-v[i]].push(i);
        else
            right_shoe[v[i]].push(i);
    }
    for(i=1;i<=n;i++)
    {
        if(viz[i])
            continue;
        if(v[i]<0)
        {
            int x=left_shoe[-v[i]].front();
            int y=right_shoe[-v[i]].front();
            kon+=y-x-query_range(x,y)-1;
            left_shoe[-v[i]].pop();
            right_shoe[-v[i]].pop();
            update(x,1);
            update(y,1);
            viz[x]=true;
            viz[y]=true;
        }
        else
        {
            int x=right_shoe[v[i]].front();
            int y=left_shoe[v[i]].front();
            kon+=y-x-query_range(x,y);
            left_shoe[v[i]].pop();
            right_shoe[v[i]].pop();
            update(x,1);
            update(y,1);
            viz[x]=true;
            viz[y]=true;
        }
    }
    return kon;
}

/*
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    vector<int>arr={2, 1, -1, -2};
    //cout<<count_swaps(arr);
    return 0;
}*/

Compilation message

shoes.cpp:3: warning: ignoring '#pragma optimize GCC' [-Wunknown-pragmas]
    3 | #pragma optimize GCC ("Ofast")
      |

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 269616 KB Output is correct
2 Correct 132 ms 269512 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 269616 KB Output is correct
2 Correct 132 ms 269512 KB Output is correct
3 Correct 146 ms 269820 KB Output is correct
4 Correct 133 ms 269652 KB Output is correct
5 Correct 155 ms 269652 KB Output is correct
6 Correct 133 ms 269648 KB Output is correct
7 Correct 132 ms 269652 KB Output is correct
8 Correct 130 ms 269668 KB Output is correct
9 Correct 136 ms 269684 KB Output is correct
10 Correct 140 ms 269648 KB Output is correct
11 Correct 132 ms 269588 KB Output is correct
12 Correct 131 ms 269500 KB Output is correct
13 Correct 138 ms 269712 KB Output is correct
14 Correct 144 ms 269716 KB Output is correct
15 Correct 134 ms 269648 KB Output is correct
16 Correct 131 ms 269708 KB Output is correct
17 Correct 137 ms 269652 KB Output is correct
18 Correct 134 ms 269524 KB Output is correct
19 Correct 133 ms 269648 KB Output is correct
20 Correct 138 ms 269640 KB Output is correct
21 Correct 133 ms 269708 KB Output is correct
22 Correct 131 ms 269476 KB Output is correct
23 Correct 135 ms 269720 KB Output is correct
24 Correct 134 ms 269716 KB Output is correct
25 Correct 131 ms 269708 KB Output is correct
26 Correct 136 ms 269716 KB Output is correct
27 Correct 132 ms 269496 KB Output is correct
28 Correct 134 ms 269588 KB Output is correct
29 Correct 135 ms 269576 KB Output is correct
30 Correct 132 ms 269488 KB Output is correct
31 Correct 133 ms 269664 KB Output is correct
32 Correct 141 ms 269636 KB Output is correct
33 Correct 135 ms 269488 KB Output is correct
34 Correct 143 ms 269628 KB Output is correct
35 Correct 130 ms 269524 KB Output is correct
36 Correct 133 ms 269548 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 269616 KB Output is correct
2 Correct 132 ms 269512 KB Output is correct
3 Correct 132 ms 269628 KB Output is correct
4 Correct 133 ms 269648 KB Output is correct
5 Correct 134 ms 269524 KB Output is correct
6 Correct 142 ms 269652 KB Output is correct
7 Correct 141 ms 269680 KB Output is correct
8 Correct 140 ms 269480 KB Output is correct
9 Correct 152 ms 269712 KB Output is correct
10 Correct 151 ms 269708 KB Output is correct
11 Correct 156 ms 269648 KB Output is correct
12 Correct 143 ms 269532 KB Output is correct
13 Correct 157 ms 269564 KB Output is correct
14 Correct 149 ms 269708 KB Output is correct
15 Correct 141 ms 269708 KB Output is correct
16 Correct 137 ms 269708 KB Output is correct
17 Correct 147 ms 269724 KB Output is correct
18 Correct 147 ms 269628 KB Output is correct
19 Correct 148 ms 269732 KB Output is correct
20 Correct 154 ms 270120 KB Output is correct
21 Correct 156 ms 270420 KB Output is correct
22 Correct 191 ms 274948 KB Output is correct
23 Correct 185 ms 275028 KB Output is correct
24 Correct 186 ms 275100 KB Output is correct
25 Correct 184 ms 274848 KB Output is correct
26 Correct 175 ms 275100 KB Output is correct
27 Correct 177 ms 274884 KB Output is correct
28 Correct 173 ms 274916 KB Output is correct
29 Correct 170 ms 275024 KB Output is correct
30 Correct 164 ms 275128 KB Output is correct
31 Correct 176 ms 275108 KB Output is correct
32 Correct 169 ms 274972 KB Output is correct
33 Correct 172 ms 274924 KB Output is correct
34 Correct 181 ms 274944 KB Output is correct
35 Correct 135 ms 269652 KB Output is correct
36 Correct 147 ms 269520 KB Output is correct
37 Correct 167 ms 275004 KB Output is correct
38 Correct 172 ms 275028 KB Output is correct
39 Correct 176 ms 275024 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 143 ms 269600 KB Output is correct
2 Correct 139 ms 269656 KB Output is correct
3 Correct 136 ms 269708 KB Output is correct
4 Correct 139 ms 269536 KB Output is correct
5 Correct 213 ms 274120 KB Output is correct
6 Correct 166 ms 274084 KB Output is correct
7 Correct 192 ms 274248 KB Output is correct
8 Correct 180 ms 275120 KB Output is correct
9 Correct 201 ms 274364 KB Output is correct
10 Correct 186 ms 274176 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 269616 KB Output is correct
2 Correct 132 ms 269512 KB Output is correct
3 Correct 146 ms 269820 KB Output is correct
4 Correct 133 ms 269652 KB Output is correct
5 Correct 155 ms 269652 KB Output is correct
6 Correct 133 ms 269648 KB Output is correct
7 Correct 132 ms 269652 KB Output is correct
8 Correct 130 ms 269668 KB Output is correct
9 Correct 136 ms 269684 KB Output is correct
10 Correct 140 ms 269648 KB Output is correct
11 Correct 132 ms 269588 KB Output is correct
12 Correct 131 ms 269500 KB Output is correct
13 Correct 138 ms 269712 KB Output is correct
14 Correct 144 ms 269716 KB Output is correct
15 Correct 134 ms 269648 KB Output is correct
16 Correct 131 ms 269708 KB Output is correct
17 Correct 137 ms 269652 KB Output is correct
18 Correct 134 ms 269524 KB Output is correct
19 Correct 133 ms 269648 KB Output is correct
20 Correct 138 ms 269640 KB Output is correct
21 Correct 133 ms 269708 KB Output is correct
22 Correct 131 ms 269476 KB Output is correct
23 Correct 135 ms 269720 KB Output is correct
24 Correct 134 ms 269716 KB Output is correct
25 Correct 131 ms 269708 KB Output is correct
26 Correct 136 ms 269716 KB Output is correct
27 Correct 132 ms 269496 KB Output is correct
28 Correct 134 ms 269588 KB Output is correct
29 Correct 135 ms 269576 KB Output is correct
30 Correct 132 ms 269488 KB Output is correct
31 Correct 133 ms 269664 KB Output is correct
32 Correct 141 ms 269636 KB Output is correct
33 Correct 135 ms 269488 KB Output is correct
34 Correct 143 ms 269628 KB Output is correct
35 Correct 130 ms 269524 KB Output is correct
36 Correct 133 ms 269548 KB Output is correct
37 Correct 138 ms 269484 KB Output is correct
38 Correct 134 ms 269648 KB Output is correct
39 Correct 134 ms 269632 KB Output is correct
40 Correct 137 ms 269476 KB Output is correct
41 Correct 136 ms 269596 KB Output is correct
42 Correct 137 ms 269584 KB Output is correct
43 Correct 135 ms 269636 KB Output is correct
44 Correct 136 ms 269624 KB Output is correct
45 Correct 134 ms 269652 KB Output is correct
46 Correct 139 ms 269692 KB Output is correct
47 Correct 137 ms 269748 KB Output is correct
48 Correct 139 ms 269520 KB Output is correct
49 Correct 148 ms 269556 KB Output is correct
50 Correct 134 ms 269592 KB Output is correct
51 Correct 135 ms 269528 KB Output is correct
52 Correct 136 ms 269596 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 152 ms 269616 KB Output is correct
2 Correct 132 ms 269512 KB Output is correct
3 Correct 146 ms 269820 KB Output is correct
4 Correct 133 ms 269652 KB Output is correct
5 Correct 155 ms 269652 KB Output is correct
6 Correct 133 ms 269648 KB Output is correct
7 Correct 132 ms 269652 KB Output is correct
8 Correct 130 ms 269668 KB Output is correct
9 Correct 136 ms 269684 KB Output is correct
10 Correct 140 ms 269648 KB Output is correct
11 Correct 132 ms 269588 KB Output is correct
12 Correct 131 ms 269500 KB Output is correct
13 Correct 138 ms 269712 KB Output is correct
14 Correct 144 ms 269716 KB Output is correct
15 Correct 134 ms 269648 KB Output is correct
16 Correct 131 ms 269708 KB Output is correct
17 Correct 137 ms 269652 KB Output is correct
18 Correct 134 ms 269524 KB Output is correct
19 Correct 133 ms 269648 KB Output is correct
20 Correct 138 ms 269640 KB Output is correct
21 Correct 133 ms 269708 KB Output is correct
22 Correct 131 ms 269476 KB Output is correct
23 Correct 135 ms 269720 KB Output is correct
24 Correct 134 ms 269716 KB Output is correct
25 Correct 131 ms 269708 KB Output is correct
26 Correct 136 ms 269716 KB Output is correct
27 Correct 132 ms 269496 KB Output is correct
28 Correct 134 ms 269588 KB Output is correct
29 Correct 135 ms 269576 KB Output is correct
30 Correct 132 ms 269488 KB Output is correct
31 Correct 133 ms 269664 KB Output is correct
32 Correct 141 ms 269636 KB Output is correct
33 Correct 135 ms 269488 KB Output is correct
34 Correct 143 ms 269628 KB Output is correct
35 Correct 130 ms 269524 KB Output is correct
36 Correct 133 ms 269548 KB Output is correct
37 Correct 132 ms 269628 KB Output is correct
38 Correct 133 ms 269648 KB Output is correct
39 Correct 134 ms 269524 KB Output is correct
40 Correct 142 ms 269652 KB Output is correct
41 Correct 141 ms 269680 KB Output is correct
42 Correct 140 ms 269480 KB Output is correct
43 Correct 152 ms 269712 KB Output is correct
44 Correct 151 ms 269708 KB Output is correct
45 Correct 156 ms 269648 KB Output is correct
46 Correct 143 ms 269532 KB Output is correct
47 Correct 157 ms 269564 KB Output is correct
48 Correct 149 ms 269708 KB Output is correct
49 Correct 141 ms 269708 KB Output is correct
50 Correct 137 ms 269708 KB Output is correct
51 Correct 147 ms 269724 KB Output is correct
52 Correct 147 ms 269628 KB Output is correct
53 Correct 148 ms 269732 KB Output is correct
54 Correct 154 ms 270120 KB Output is correct
55 Correct 156 ms 270420 KB Output is correct
56 Correct 191 ms 274948 KB Output is correct
57 Correct 185 ms 275028 KB Output is correct
58 Correct 186 ms 275100 KB Output is correct
59 Correct 184 ms 274848 KB Output is correct
60 Correct 175 ms 275100 KB Output is correct
61 Correct 177 ms 274884 KB Output is correct
62 Correct 173 ms 274916 KB Output is correct
63 Correct 170 ms 275024 KB Output is correct
64 Correct 164 ms 275128 KB Output is correct
65 Correct 176 ms 275108 KB Output is correct
66 Correct 169 ms 274972 KB Output is correct
67 Correct 172 ms 274924 KB Output is correct
68 Correct 181 ms 274944 KB Output is correct
69 Correct 135 ms 269652 KB Output is correct
70 Correct 147 ms 269520 KB Output is correct
71 Correct 167 ms 275004 KB Output is correct
72 Correct 172 ms 275028 KB Output is correct
73 Correct 176 ms 275024 KB Output is correct
74 Correct 143 ms 269600 KB Output is correct
75 Correct 139 ms 269656 KB Output is correct
76 Correct 136 ms 269708 KB Output is correct
77 Correct 139 ms 269536 KB Output is correct
78 Correct 213 ms 274120 KB Output is correct
79 Correct 166 ms 274084 KB Output is correct
80 Correct 192 ms 274248 KB Output is correct
81 Correct 180 ms 275120 KB Output is correct
82 Correct 201 ms 274364 KB Output is correct
83 Correct 186 ms 274176 KB Output is correct
84 Correct 138 ms 269484 KB Output is correct
85 Correct 134 ms 269648 KB Output is correct
86 Correct 134 ms 269632 KB Output is correct
87 Correct 137 ms 269476 KB Output is correct
88 Correct 136 ms 269596 KB Output is correct
89 Correct 137 ms 269584 KB Output is correct
90 Correct 135 ms 269636 KB Output is correct
91 Correct 136 ms 269624 KB Output is correct
92 Correct 134 ms 269652 KB Output is correct
93 Correct 139 ms 269692 KB Output is correct
94 Correct 137 ms 269748 KB Output is correct
95 Correct 139 ms 269520 KB Output is correct
96 Correct 148 ms 269556 KB Output is correct
97 Correct 134 ms 269592 KB Output is correct
98 Correct 135 ms 269528 KB Output is correct
99 Correct 136 ms 269596 KB Output is correct
100 Correct 139 ms 269632 KB Output is correct
101 Correct 140 ms 270092 KB Output is correct
102 Correct 137 ms 269908 KB Output is correct
103 Correct 201 ms 274088 KB Output is correct
104 Correct 198 ms 274260 KB Output is correct
105 Correct 194 ms 274036 KB Output is correct
106 Correct 195 ms 274260 KB Output is correct
107 Correct 178 ms 274296 KB Output is correct
108 Correct 174 ms 274216 KB Output is correct
109 Correct 170 ms 275104 KB Output is correct
110 Correct 168 ms 275096 KB Output is correct
111 Correct 198 ms 274316 KB Output is correct
112 Correct 211 ms 274196 KB Output is correct
113 Correct 176 ms 274260 KB Output is correct
114 Correct 200 ms 274036 KB Output is correct
115 Correct 202 ms 274216 KB Output is correct