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Submission #959591

# Submission time Handle Problem Language Result Execution time Memory
959591 2024-04-08T13:28:40 Z AndreiBOTO Arranging Shoes (IOI19_shoes) C++14
100 / 100
 209 ms 275152 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+1,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 156 ms 271188 KB Output is correct
2 Correct 156 ms 271164 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271188 KB Output is correct
2 Correct 156 ms 271164 KB Output is correct
3 Correct 142 ms 271256 KB Output is correct
4 Correct 164 ms 271188 KB Output is correct
5 Correct 130 ms 271184 KB Output is correct
6 Correct 130 ms 271184 KB Output is correct
7 Correct 135 ms 271240 KB Output is correct
8 Correct 136 ms 271236 KB Output is correct
9 Correct 134 ms 271188 KB Output is correct
10 Correct 147 ms 271184 KB Output is correct
11 Correct 142 ms 271188 KB Output is correct
12 Correct 128 ms 271188 KB Output is correct
13 Correct 131 ms 271188 KB Output is correct
14 Correct 134 ms 271188 KB Output is correct
15 Correct 176 ms 271232 KB Output is correct
16 Correct 128 ms 271280 KB Output is correct
17 Correct 128 ms 271292 KB Output is correct
18 Correct 138 ms 271284 KB Output is correct
19 Correct 138 ms 271184 KB Output is correct
20 Correct 131 ms 271532 KB Output is correct
21 Correct 138 ms 271048 KB Output is correct
22 Correct 131 ms 271296 KB Output is correct
23 Correct 136 ms 271184 KB Output is correct
24 Correct 128 ms 271180 KB Output is correct
25 Correct 131 ms 271444 KB Output is correct
26 Correct 137 ms 271144 KB Output is correct
27 Correct 142 ms 271188 KB Output is correct
28 Correct 126 ms 271188 KB Output is correct
29 Correct 144 ms 271184 KB Output is correct
30 Correct 132 ms 271232 KB Output is correct
31 Correct 143 ms 271292 KB Output is correct
32 Correct 157 ms 271272 KB Output is correct
33 Correct 127 ms 271204 KB Output is correct
34 Correct 146 ms 271124 KB Output is correct
35 Correct 140 ms 271456 KB Output is correct
36 Correct 151 ms 271140 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271188 KB Output is correct
2 Correct 156 ms 271164 KB Output is correct
3 Correct 128 ms 271184 KB Output is correct
4 Correct 132 ms 271188 KB Output is correct
5 Correct 152 ms 271184 KB Output is correct
6 Correct 127 ms 271292 KB Output is correct
7 Correct 133 ms 271048 KB Output is correct
8 Correct 131 ms 271144 KB Output is correct
9 Correct 142 ms 271108 KB Output is correct
10 Correct 135 ms 271284 KB Output is correct
11 Correct 137 ms 271068 KB Output is correct
12 Correct 132 ms 271220 KB Output is correct
13 Correct 130 ms 271184 KB Output is correct
14 Correct 128 ms 271184 KB Output is correct
15 Correct 130 ms 271184 KB Output is correct
16 Correct 138 ms 271240 KB Output is correct
17 Correct 129 ms 271192 KB Output is correct
18 Correct 144 ms 271324 KB Output is correct
19 Correct 136 ms 271308 KB Output is correct
20 Correct 166 ms 271708 KB Output is correct
21 Correct 143 ms 271640 KB Output is correct
22 Correct 177 ms 274940 KB Output is correct
23 Correct 161 ms 274892 KB Output is correct
24 Correct 174 ms 275012 KB Output is correct
25 Correct 189 ms 274852 KB Output is correct
26 Correct 171 ms 275120 KB Output is correct
27 Correct 165 ms 274788 KB Output is correct
28 Correct 176 ms 275028 KB Output is correct
29 Correct 161 ms 275020 KB Output is correct
30 Correct 162 ms 275028 KB Output is correct
31 Correct 202 ms 275136 KB Output is correct
32 Correct 161 ms 274916 KB Output is correct
33 Correct 162 ms 274716 KB Output is correct
34 Correct 172 ms 275100 KB Output is correct
35 Correct 139 ms 271248 KB Output is correct
36 Correct 142 ms 271268 KB Output is correct
37 Correct 162 ms 274884 KB Output is correct
38 Correct 207 ms 275028 KB Output is correct
39 Correct 176 ms 274916 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 140 ms 271056 KB Output is correct
2 Correct 129 ms 271128 KB Output is correct
3 Correct 133 ms 271180 KB Output is correct
4 Correct 137 ms 271224 KB Output is correct
5 Correct 185 ms 274252 KB Output is correct
6 Correct 186 ms 274132 KB Output is correct
7 Correct 203 ms 274256 KB Output is correct
8 Correct 174 ms 275152 KB Output is correct
9 Correct 209 ms 274240 KB Output is correct
10 Correct 207 ms 274116 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271188 KB Output is correct
2 Correct 156 ms 271164 KB Output is correct
3 Correct 142 ms 271256 KB Output is correct
4 Correct 164 ms 271188 KB Output is correct
5 Correct 130 ms 271184 KB Output is correct
6 Correct 130 ms 271184 KB Output is correct
7 Correct 135 ms 271240 KB Output is correct
8 Correct 136 ms 271236 KB Output is correct
9 Correct 134 ms 271188 KB Output is correct
10 Correct 147 ms 271184 KB Output is correct
11 Correct 142 ms 271188 KB Output is correct
12 Correct 128 ms 271188 KB Output is correct
13 Correct 131 ms 271188 KB Output is correct
14 Correct 134 ms 271188 KB Output is correct
15 Correct 176 ms 271232 KB Output is correct
16 Correct 128 ms 271280 KB Output is correct
17 Correct 128 ms 271292 KB Output is correct
18 Correct 138 ms 271284 KB Output is correct
19 Correct 138 ms 271184 KB Output is correct
20 Correct 131 ms 271532 KB Output is correct
21 Correct 138 ms 271048 KB Output is correct
22 Correct 131 ms 271296 KB Output is correct
23 Correct 136 ms 271184 KB Output is correct
24 Correct 128 ms 271180 KB Output is correct
25 Correct 131 ms 271444 KB Output is correct
26 Correct 137 ms 271144 KB Output is correct
27 Correct 142 ms 271188 KB Output is correct
28 Correct 126 ms 271188 KB Output is correct
29 Correct 144 ms 271184 KB Output is correct
30 Correct 132 ms 271232 KB Output is correct
31 Correct 143 ms 271292 KB Output is correct
32 Correct 157 ms 271272 KB Output is correct
33 Correct 127 ms 271204 KB Output is correct
34 Correct 146 ms 271124 KB Output is correct
35 Correct 140 ms 271456 KB Output is correct
36 Correct 151 ms 271140 KB Output is correct
37 Correct 129 ms 271120 KB Output is correct
38 Correct 132 ms 271188 KB Output is correct
39 Correct 128 ms 271124 KB Output is correct
40 Correct 137 ms 271272 KB Output is correct
41 Correct 139 ms 271188 KB Output is correct
42 Correct 138 ms 271176 KB Output is correct
43 Correct 138 ms 271188 KB Output is correct
44 Correct 136 ms 271092 KB Output is correct
45 Correct 135 ms 271188 KB Output is correct
46 Correct 132 ms 271308 KB Output is correct
47 Correct 137 ms 271124 KB Output is correct
48 Correct 149 ms 271184 KB Output is correct
49 Correct 134 ms 271236 KB Output is correct
50 Correct 137 ms 271188 KB Output is correct
51 Correct 139 ms 271128 KB Output is correct
52 Correct 127 ms 271184 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271188 KB Output is correct
2 Correct 156 ms 271164 KB Output is correct
3 Correct 142 ms 271256 KB Output is correct
4 Correct 164 ms 271188 KB Output is correct
5 Correct 130 ms 271184 KB Output is correct
6 Correct 130 ms 271184 KB Output is correct
7 Correct 135 ms 271240 KB Output is correct
8 Correct 136 ms 271236 KB Output is correct
9 Correct 134 ms 271188 KB Output is correct
10 Correct 147 ms 271184 KB Output is correct
11 Correct 142 ms 271188 KB Output is correct
12 Correct 128 ms 271188 KB Output is correct
13 Correct 131 ms 271188 KB Output is correct
14 Correct 134 ms 271188 KB Output is correct
15 Correct 176 ms 271232 KB Output is correct
16 Correct 128 ms 271280 KB Output is correct
17 Correct 128 ms 271292 KB Output is correct
18 Correct 138 ms 271284 KB Output is correct
19 Correct 138 ms 271184 KB Output is correct
20 Correct 131 ms 271532 KB Output is correct
21 Correct 138 ms 271048 KB Output is correct
22 Correct 131 ms 271296 KB Output is correct
23 Correct 136 ms 271184 KB Output is correct
24 Correct 128 ms 271180 KB Output is correct
25 Correct 131 ms 271444 KB Output is correct
26 Correct 137 ms 271144 KB Output is correct
27 Correct 142 ms 271188 KB Output is correct
28 Correct 126 ms 271188 KB Output is correct
29 Correct 144 ms 271184 KB Output is correct
30 Correct 132 ms 271232 KB Output is correct
31 Correct 143 ms 271292 KB Output is correct
32 Correct 157 ms 271272 KB Output is correct
33 Correct 127 ms 271204 KB Output is correct
34 Correct 146 ms 271124 KB Output is correct
35 Correct 140 ms 271456 KB Output is correct
36 Correct 151 ms 271140 KB Output is correct
37 Correct 128 ms 271184 KB Output is correct
38 Correct 132 ms 271188 KB Output is correct
39 Correct 152 ms 271184 KB Output is correct
40 Correct 127 ms 271292 KB Output is correct
41 Correct 133 ms 271048 KB Output is correct
42 Correct 131 ms 271144 KB Output is correct
43 Correct 142 ms 271108 KB Output is correct
44 Correct 135 ms 271284 KB Output is correct
45 Correct 137 ms 271068 KB Output is correct
46 Correct 132 ms 271220 KB Output is correct
47 Correct 130 ms 271184 KB Output is correct
48 Correct 128 ms 271184 KB Output is correct
49 Correct 130 ms 271184 KB Output is correct
50 Correct 138 ms 271240 KB Output is correct
51 Correct 129 ms 271192 KB Output is correct
52 Correct 144 ms 271324 KB Output is correct
53 Correct 136 ms 271308 KB Output is correct
54 Correct 166 ms 271708 KB Output is correct
55 Correct 143 ms 271640 KB Output is correct
56 Correct 177 ms 274940 KB Output is correct
57 Correct 161 ms 274892 KB Output is correct
58 Correct 174 ms 275012 KB Output is correct
59 Correct 189 ms 274852 KB Output is correct
60 Correct 171 ms 275120 KB Output is correct
61 Correct 165 ms 274788 KB Output is correct
62 Correct 176 ms 275028 KB Output is correct
63 Correct 161 ms 275020 KB Output is correct
64 Correct 162 ms 275028 KB Output is correct
65 Correct 202 ms 275136 KB Output is correct
66 Correct 161 ms 274916 KB Output is correct
67 Correct 162 ms 274716 KB Output is correct
68 Correct 172 ms 275100 KB Output is correct
69 Correct 139 ms 271248 KB Output is correct
70 Correct 142 ms 271268 KB Output is correct
71 Correct 162 ms 274884 KB Output is correct
72 Correct 207 ms 275028 KB Output is correct
73 Correct 176 ms 274916 KB Output is correct
74 Correct 140 ms 271056 KB Output is correct
75 Correct 129 ms 271128 KB Output is correct
76 Correct 133 ms 271180 KB Output is correct
77 Correct 137 ms 271224 KB Output is correct
78 Correct 185 ms 274252 KB Output is correct
79 Correct 186 ms 274132 KB Output is correct
80 Correct 203 ms 274256 KB Output is correct
81 Correct 174 ms 275152 KB Output is correct
82 Correct 209 ms 274240 KB Output is correct
83 Correct 207 ms 274116 KB Output is correct
84 Correct 129 ms 271120 KB Output is correct
85 Correct 132 ms 271188 KB Output is correct
86 Correct 128 ms 271124 KB Output is correct
87 Correct 137 ms 271272 KB Output is correct
88 Correct 139 ms 271188 KB Output is correct
89 Correct 138 ms 271176 KB Output is correct
90 Correct 138 ms 271188 KB Output is correct
91 Correct 136 ms 271092 KB Output is correct
92 Correct 135 ms 271188 KB Output is correct
93 Correct 132 ms 271308 KB Output is correct
94 Correct 137 ms 271124 KB Output is correct
95 Correct 149 ms 271184 KB Output is correct
96 Correct 134 ms 271236 KB Output is correct
97 Correct 137 ms 271188 KB Output is correct
98 Correct 139 ms 271128 KB Output is correct
99 Correct 127 ms 271184 KB Output is correct
100 Correct 133 ms 271184 KB Output is correct
101 Correct 140 ms 271440 KB Output is correct
102 Correct 131 ms 271616 KB Output is correct
103 Correct 192 ms 274260 KB Output is correct
104 Correct 192 ms 274292 KB Output is correct
105 Correct 192 ms 274296 KB Output is correct
106 Correct 182 ms 274164 KB Output is correct
107 Correct 182 ms 274228 KB Output is correct
108 Correct 173 ms 274256 KB Output is correct
109 Correct 158 ms 275036 KB Output is correct
110 Correct 167 ms 274944 KB Output is correct
111 Correct 189 ms 274260 KB Output is correct
112 Correct 202 ms 274068 KB Output is correct
113 Correct 174 ms 274256 KB Output is correct
114 Correct 184 ms 274260 KB Output is correct
115 Correct 206 ms 274228 KB Output is correct