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Submission #207694

# Submission time Handle Problem Language Result Execution time Memory
207694 2020-03-08T15:22:54 Z DodgeBallMan Arranging Shoes (IOI19_shoes) C++14
100 / 100
 115 ms 16516 KB 
#include <bits/stdc++.h>
#include "shoes.h"
#define pii pair<int, int>
#define x first
#define y second 

using namespace std;

const int N = 1e5 + 10;
vector<int> vec[2*N];
int n, arr[2*N], sz;
long long ans, fen[2*N];

long long query( int x ) {
    long long ret = 0;
    for( int i = x ; i > 0 ; i -= i & -i ) ret += fen[i];
    return ret;
}

void up( int x ) {
    for( int i = x ; i < 2*N ; i += i & -i ) fen[i] += 1;
}

long long count_swaps( vector<int> s ) {
    n = s.size() / 2;
    sz = s.size();
    for( int i = 0 ; i < sz ; i++ ) vec[s[i]+N].emplace_back( i );
    memset( arr, -1, sizeof arr );
    for( int i = sz - 1 ; i >= 0 ; i-- ) {
        if( arr[i] != -1 ) continue ;
        vec[s[i]+N].pop_back();
        int pos = vec[-1*s[i]+N].back(); vec[-1*s[i]+N].pop_back();
        if( s[i] < 0 ) arr[i] = n*2-1, arr[pos] = n*2;
        else arr[i] = n*2, arr[pos] = n*2-1;
        n--;
        //printf("%d %d %d %d\n",i,s[i],pos,s[pos]);
    }
    /*for( int i = 0 ; i < sz ; i++ ) printf("%d ",arr[i]);
    printf("\n");*/
    for( int i = sz-1 ; i >= 0 ; i-- ) {
        //printf("%d ",arr[i]);
        ans += query( arr[i] ), up( arr[i] );
    }
    return ans;
}

/*int main()
{
    int ne;
    vector<int> vec;
    scanf("%d",&ne);
    for( int i = 0, a ; i < ne ; i++ ) {
        scanf("%d",&a);
        vec.emplace_back( a );
    }
    printf("%lld",count_swaps( vec ) );
}*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 8 ms 5884 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 8 ms 5884 KB Output is correct
3 Correct 8 ms 5880 KB Output is correct
4 Correct 8 ms 5880 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5884 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 8 ms 5880 KB Output is correct
9 Correct 8 ms 5884 KB Output is correct
10 Correct 8 ms 5880 KB Output is correct
11 Correct 9 ms 5880 KB Output is correct
12 Correct 8 ms 5880 KB Output is correct
13 Correct 8 ms 5880 KB Output is correct
14 Correct 8 ms 5880 KB Output is correct
15 Correct 8 ms 5880 KB Output is correct
16 Correct 8 ms 5752 KB Output is correct
17 Correct 8 ms 5880 KB Output is correct
18 Correct 8 ms 5880 KB Output is correct
19 Correct 8 ms 5880 KB Output is correct
20 Correct 8 ms 5880 KB Output is correct
21 Correct 8 ms 5880 KB Output is correct
22 Correct 8 ms 5880 KB Output is correct
23 Correct 8 ms 5784 KB Output is correct
24 Correct 8 ms 5880 KB Output is correct
25 Correct 8 ms 5880 KB Output is correct
26 Correct 8 ms 5880 KB Output is correct
27 Correct 8 ms 5880 KB Output is correct
28 Correct 9 ms 5880 KB Output is correct
29 Correct 8 ms 5884 KB Output is correct
30 Correct 8 ms 5880 KB Output is correct
31 Correct 8 ms 5876 KB Output is correct
32 Correct 8 ms 5880 KB Output is correct
33 Correct 8 ms 5880 KB Output is correct
34 Correct 8 ms 5880 KB Output is correct
35 Correct 8 ms 5880 KB Output is correct
36 Correct 8 ms 5880 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 8 ms 5884 KB Output is correct
3 Correct 8 ms 5880 KB Output is correct
4 Correct 10 ms 5880 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5880 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 8 ms 5884 KB Output is correct
9 Correct 9 ms 5880 KB Output is correct
10 Correct 8 ms 5880 KB Output is correct
11 Correct 8 ms 5880 KB Output is correct
12 Correct 8 ms 5880 KB Output is correct
13 Correct 8 ms 5880 KB Output is correct
14 Correct 9 ms 5880 KB Output is correct
15 Correct 8 ms 5880 KB Output is correct
16 Correct 8 ms 5880 KB Output is correct
17 Correct 8 ms 5880 KB Output is correct
18 Correct 8 ms 5880 KB Output is correct
19 Correct 8 ms 5880 KB Output is correct
20 Correct 12 ms 6264 KB Output is correct
21 Correct 12 ms 6264 KB Output is correct
22 Correct 50 ms 9880 KB Output is correct
23 Correct 51 ms 11348 KB Output is correct
24 Correct 49 ms 11116 KB Output is correct
25 Correct 45 ms 10864 KB Output is correct
26 Correct 53 ms 11248 KB Output is correct
27 Correct 48 ms 10988 KB Output is correct
28 Correct 47 ms 11120 KB Output is correct
29 Correct 48 ms 11124 KB Output is correct
30 Correct 48 ms 11120 KB Output is correct
31 Correct 51 ms 11140 KB Output is correct
32 Correct 47 ms 11120 KB Output is correct
33 Correct 46 ms 10992 KB Output is correct
34 Correct 52 ms 11248 KB Output is correct
35 Correct 8 ms 5880 KB Output is correct
36 Correct 8 ms 5880 KB Output is correct
37 Correct 46 ms 11120 KB Output is correct
38 Correct 47 ms 11088 KB Output is correct
39 Correct 47 ms 11120 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 9 ms 5880 KB Output is correct
3 Correct 8 ms 5880 KB Output is correct
4 Correct 8 ms 5880 KB Output is correct
5 Correct 76 ms 15224 KB Output is correct
6 Correct 66 ms 11640 KB Output is correct
7 Correct 77 ms 16492 KB Output is correct
8 Correct 49 ms 11136 KB Output is correct
9 Correct 78 ms 16504 KB Output is correct
10 Correct 80 ms 13304 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 8 ms 5884 KB Output is correct
3 Correct 8 ms 5880 KB Output is correct
4 Correct 8 ms 5880 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5884 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 8 ms 5880 KB Output is correct
9 Correct 8 ms 5884 KB Output is correct
10 Correct 8 ms 5880 KB Output is correct
11 Correct 9 ms 5880 KB Output is correct
12 Correct 8 ms 5880 KB Output is correct
13 Correct 8 ms 5880 KB Output is correct
14 Correct 8 ms 5880 KB Output is correct
15 Correct 8 ms 5880 KB Output is correct
16 Correct 8 ms 5752 KB Output is correct
17 Correct 8 ms 5880 KB Output is correct
18 Correct 8 ms 5880 KB Output is correct
19 Correct 8 ms 5880 KB Output is correct
20 Correct 8 ms 5880 KB Output is correct
21 Correct 8 ms 5880 KB Output is correct
22 Correct 8 ms 5880 KB Output is correct
23 Correct 8 ms 5784 KB Output is correct
24 Correct 8 ms 5880 KB Output is correct
25 Correct 8 ms 5880 KB Output is correct
26 Correct 8 ms 5880 KB Output is correct
27 Correct 8 ms 5880 KB Output is correct
28 Correct 9 ms 5880 KB Output is correct
29 Correct 8 ms 5884 KB Output is correct
30 Correct 8 ms 5880 KB Output is correct
31 Correct 8 ms 5876 KB Output is correct
32 Correct 8 ms 5880 KB Output is correct
33 Correct 8 ms 5880 KB Output is correct
34 Correct 8 ms 5880 KB Output is correct
35 Correct 8 ms 5880 KB Output is correct
36 Correct 8 ms 5880 KB Output is correct
37 Correct 8 ms 5880 KB Output is correct
38 Correct 8 ms 5880 KB Output is correct
39 Correct 8 ms 5880 KB Output is correct
40 Correct 8 ms 5880 KB Output is correct
41 Correct 10 ms 5880 KB Output is correct
42 Correct 9 ms 5880 KB Output is correct
43 Correct 9 ms 5880 KB Output is correct
44 Correct 8 ms 5880 KB Output is correct
45 Correct 10 ms 5880 KB Output is correct
46 Correct 9 ms 5880 KB Output is correct
47 Correct 8 ms 5880 KB Output is correct
48 Correct 8 ms 5880 KB Output is correct
49 Correct 8 ms 5880 KB Output is correct
50 Correct 8 ms 5880 KB Output is correct
51 Correct 9 ms 5880 KB Output is correct
52 Correct 8 ms 5880 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5880 KB Output is correct
2 Correct 8 ms 5884 KB Output is correct
3 Correct 8 ms 5880 KB Output is correct
4 Correct 8 ms 5880 KB Output is correct
5 Correct 8 ms 5880 KB Output is correct
6 Correct 8 ms 5884 KB Output is correct
7 Correct 8 ms 5880 KB Output is correct
8 Correct 8 ms 5880 KB Output is correct
9 Correct 8 ms 5884 KB Output is correct
10 Correct 8 ms 5880 KB Output is correct
11 Correct 9 ms 5880 KB Output is correct
12 Correct 8 ms 5880 KB Output is correct
13 Correct 8 ms 5880 KB Output is correct
14 Correct 8 ms 5880 KB Output is correct
15 Correct 8 ms 5880 KB Output is correct
16 Correct 8 ms 5752 KB Output is correct
17 Correct 8 ms 5880 KB Output is correct
18 Correct 8 ms 5880 KB Output is correct
19 Correct 8 ms 5880 KB Output is correct
20 Correct 8 ms 5880 KB Output is correct
21 Correct 8 ms 5880 KB Output is correct
22 Correct 8 ms 5880 KB Output is correct
23 Correct 8 ms 5784 KB Output is correct
24 Correct 8 ms 5880 KB Output is correct
25 Correct 8 ms 5880 KB Output is correct
26 Correct 8 ms 5880 KB Output is correct
27 Correct 8 ms 5880 KB Output is correct
28 Correct 9 ms 5880 KB Output is correct
29 Correct 8 ms 5884 KB Output is correct
30 Correct 8 ms 5880 KB Output is correct
31 Correct 8 ms 5876 KB Output is correct
32 Correct 8 ms 5880 KB Output is correct
33 Correct 8 ms 5880 KB Output is correct
34 Correct 8 ms 5880 KB Output is correct
35 Correct 8 ms 5880 KB Output is correct
36 Correct 8 ms 5880 KB Output is correct
37 Correct 8 ms 5880 KB Output is correct
38 Correct 10 ms 5880 KB Output is correct
39 Correct 8 ms 5880 KB Output is correct
40 Correct 8 ms 5880 KB Output is correct
41 Correct 8 ms 5880 KB Output is correct
42 Correct 8 ms 5884 KB Output is correct
43 Correct 9 ms 5880 KB Output is correct
44 Correct 8 ms 5880 KB Output is correct
45 Correct 8 ms 5880 KB Output is correct
46 Correct 8 ms 5880 KB Output is correct
47 Correct 8 ms 5880 KB Output is correct
48 Correct 9 ms 5880 KB Output is correct
49 Correct 8 ms 5880 KB Output is correct
50 Correct 8 ms 5880 KB Output is correct
51 Correct 8 ms 5880 KB Output is correct
52 Correct 8 ms 5880 KB Output is correct
53 Correct 8 ms 5880 KB Output is correct
54 Correct 12 ms 6264 KB Output is correct
55 Correct 12 ms 6264 KB Output is correct
56 Correct 50 ms 9880 KB Output is correct
57 Correct 51 ms 11348 KB Output is correct
58 Correct 49 ms 11116 KB Output is correct
59 Correct 45 ms 10864 KB Output is correct
60 Correct 53 ms 11248 KB Output is correct
61 Correct 48 ms 10988 KB Output is correct
62 Correct 47 ms 11120 KB Output is correct
63 Correct 48 ms 11124 KB Output is correct
64 Correct 48 ms 11120 KB Output is correct
65 Correct 51 ms 11140 KB Output is correct
66 Correct 47 ms 11120 KB Output is correct
67 Correct 46 ms 10992 KB Output is correct
68 Correct 52 ms 11248 KB Output is correct
69 Correct 8 ms 5880 KB Output is correct
70 Correct 8 ms 5880 KB Output is correct
71 Correct 46 ms 11120 KB Output is correct
72 Correct 47 ms 11088 KB Output is correct
73 Correct 47 ms 11120 KB Output is correct
74 Correct 8 ms 5880 KB Output is correct
75 Correct 9 ms 5880 KB Output is correct
76 Correct 8 ms 5880 KB Output is correct
77 Correct 8 ms 5880 KB Output is correct
78 Correct 76 ms 15224 KB Output is correct
79 Correct 66 ms 11640 KB Output is correct
80 Correct 77 ms 16492 KB Output is correct
81 Correct 49 ms 11136 KB Output is correct
82 Correct 78 ms 16504 KB Output is correct
83 Correct 80 ms 13304 KB Output is correct
84 Correct 8 ms 5880 KB Output is correct
85 Correct 8 ms 5880 KB Output is correct
86 Correct 8 ms 5880 KB Output is correct
87 Correct 8 ms 5880 KB Output is correct
88 Correct 10 ms 5880 KB Output is correct
89 Correct 9 ms 5880 KB Output is correct
90 Correct 9 ms 5880 KB Output is correct
91 Correct 8 ms 5880 KB Output is correct
92 Correct 10 ms 5880 KB Output is correct
93 Correct 9 ms 5880 KB Output is correct
94 Correct 8 ms 5880 KB Output is correct
95 Correct 8 ms 5880 KB Output is correct
96 Correct 8 ms 5880 KB Output is correct
97 Correct 8 ms 5880 KB Output is correct
98 Correct 9 ms 5880 KB Output is correct
99 Correct 8 ms 5880 KB Output is correct
100 Correct 9 ms 5880 KB Output is correct
101 Correct 15 ms 6776 KB Output is correct
102 Correct 14 ms 6392 KB Output is correct
103 Correct 115 ms 16516 KB Output is correct
104 Correct 88 ms 16376 KB Output is correct
105 Correct 103 ms 13688 KB Output is correct
106 Correct 75 ms 16376 KB Output is correct
107 Correct 76 ms 11768 KB Output is correct
108 Correct 81 ms 12152 KB Output is correct
109 Correct 48 ms 11376 KB Output is correct
110 Correct 49 ms 11092 KB Output is correct
111 Correct 81 ms 15736 KB Output is correct
112 Correct 103 ms 15224 KB Output is correct
113 Correct 69 ms 11768 KB Output is correct
114 Correct 76 ms 16376 KB Output is correct
115 Correct 77 ms 16376 KB Output is correct