oj.uz

Submission #249276

# Submission time Handle Problem Language Result Execution time Memory
249276 2020-07-14T14:54:59 Z muhammad_hokimiyon Arranging Shoes (IOI19_shoes) C++14
100 / 100
 556 ms 148984 KB 
#include "shoes.h"
#include <bits/stdc++.h>

#define fi first
#define se second
#define ll long long
#define dl double long

using namespace std;

const int NN = 1e9 + 7;
const int N = 2e6 + 7;
const int M = 26;
const ll mod = 1e9 + 7;
const ll inf = 1e18 + 7;
const dl rf = 1e-14;
const int B = sqrt(N);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int d[N];

void upd( int x , int y )
{
    while( x < N ){
        d[x] += y;
        x += x & -x;
    }
}

int get( int x )
{
    int cnt = 0;
    while( x > 0 ){
        cnt += d[x];
        x -= x & -x;
    }
    return cnt;
}

map < int , deque < int > > m;

long long count_swaps(vector<int> s)
{
    int n = (int)s.size();
    ll ans = 0;
    for( int i = 0; i < n; i++ ){
        m[s[i]].push_back(i + 1);
    }
    vector < int > used(n + 1 , 0);
    for( int i = 0; i < n; i++ ){
        if( used[i] )continue;
        int l = m[s[i]].front();
        int r = m[-s[i]].front();
        m[s[i]].pop_front();
        m[-s[i]].pop_front();
        ans += r - l - (s[i] < 0) - get( r ) + get( l );
        upd( r , 1 );
        used[l - 1] = used[r - 1] = 1;
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 0 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 4 ms 896 KB Output is correct
21 Correct 4 ms 896 KB Output is correct
22 Correct 39 ms 5244 KB Output is correct
23 Correct 38 ms 5112 KB Output is correct
24 Correct 38 ms 5112 KB Output is correct
25 Correct 34 ms 4732 KB Output is correct
26 Correct 40 ms 5624 KB Output is correct
27 Correct 35 ms 5368 KB Output is correct
28 Correct 35 ms 5240 KB Output is correct
29 Correct 34 ms 5240 KB Output is correct
30 Correct 36 ms 5368 KB Output is correct
31 Correct 47 ms 5632 KB Output is correct
32 Correct 35 ms 5240 KB Output is correct
33 Correct 45 ms 4984 KB Output is correct
34 Correct 35 ms 5240 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 52 ms 5240 KB Output is correct
38 Correct 40 ms 5240 KB Output is correct
39 Correct 36 ms 5240 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 501 ms 148216 KB Output is correct
6 Correct 166 ms 17016 KB Output is correct
7 Correct 509 ms 148488 KB Output is correct
8 Correct 39 ms 5236 KB Output is correct
9 Correct 501 ms 148344 KB Output is correct
10 Correct 419 ms 76504 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 640 KB Output is correct
41 Correct 3 ms 1792 KB Output is correct
42 Correct 2 ms 1792 KB Output is correct
43 Correct 2 ms 1664 KB Output is correct
44 Correct 2 ms 1536 KB Output is correct
45 Correct 2 ms 1408 KB Output is correct
46 Correct 2 ms 1152 KB Output is correct
47 Correct 2 ms 1024 KB Output is correct
48 Correct 2 ms 896 KB Output is correct
49 Correct 1 ms 896 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 2 ms 1792 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 0 ms 384 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 0 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 0 ms 384 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 0 ms 384 KB Output is correct
28 Correct 0 ms 384 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 0 ms 384 KB Output is correct
37 Correct 0 ms 384 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 0 ms 384 KB Output is correct
41 Correct 0 ms 384 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 0 ms 384 KB Output is correct
45 Correct 0 ms 384 KB Output is correct
46 Correct 0 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 1 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 1 ms 384 KB Output is correct
53 Correct 1 ms 384 KB Output is correct
54 Correct 4 ms 896 KB Output is correct
55 Correct 4 ms 896 KB Output is correct
56 Correct 39 ms 5244 KB Output is correct
57 Correct 38 ms 5112 KB Output is correct
58 Correct 38 ms 5112 KB Output is correct
59 Correct 34 ms 4732 KB Output is correct
60 Correct 40 ms 5624 KB Output is correct
61 Correct 35 ms 5368 KB Output is correct
62 Correct 35 ms 5240 KB Output is correct
63 Correct 34 ms 5240 KB Output is correct
64 Correct 36 ms 5368 KB Output is correct
65 Correct 47 ms 5632 KB Output is correct
66 Correct 35 ms 5240 KB Output is correct
67 Correct 45 ms 4984 KB Output is correct
68 Correct 35 ms 5240 KB Output is correct
69 Correct 0 ms 384 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 52 ms 5240 KB Output is correct
72 Correct 40 ms 5240 KB Output is correct
73 Correct 36 ms 5240 KB Output is correct
74 Correct 0 ms 384 KB Output is correct
75 Correct 0 ms 384 KB Output is correct
76 Correct 1 ms 384 KB Output is correct
77 Correct 0 ms 384 KB Output is correct
78 Correct 501 ms 148216 KB Output is correct
79 Correct 166 ms 17016 KB Output is correct
80 Correct 509 ms 148488 KB Output is correct
81 Correct 39 ms 5236 KB Output is correct
82 Correct 501 ms 148344 KB Output is correct
83 Correct 419 ms 76504 KB Output is correct
84 Correct 0 ms 384 KB Output is correct
85 Correct 0 ms 384 KB Output is correct
86 Correct 1 ms 512 KB Output is correct
87 Correct 1 ms 640 KB Output is correct
88 Correct 3 ms 1792 KB Output is correct
89 Correct 2 ms 1792 KB Output is correct
90 Correct 2 ms 1664 KB Output is correct
91 Correct 2 ms 1536 KB Output is correct
92 Correct 2 ms 1408 KB Output is correct
93 Correct 2 ms 1152 KB Output is correct
94 Correct 2 ms 1024 KB Output is correct
95 Correct 2 ms 896 KB Output is correct
96 Correct 1 ms 896 KB Output is correct
97 Correct 1 ms 384 KB Output is correct
98 Correct 1 ms 384 KB Output is correct
99 Correct 2 ms 1792 KB Output is correct
100 Correct 2 ms 1792 KB Output is correct
101 Correct 33 ms 13696 KB Output is correct
102 Correct 14 ms 3584 KB Output is correct
103 Correct 556 ms 148856 KB Output is correct
104 Correct 477 ms 148984 KB Output is correct
105 Correct 435 ms 86520 KB Output is correct
106 Correct 475 ms 148352 KB Output is correct
107 Correct 188 ms 20728 KB Output is correct
108 Correct 238 ms 36856 KB Output is correct
109 Correct 36 ms 5248 KB Output is correct
110 Correct 35 ms 5264 KB Output is correct
111 Correct 468 ms 132472 KB Output is correct
112 Correct 485 ms 116728 KB Output is correct
113 Correct 202 ms 22264 KB Output is correct
114 Correct 535 ms 148344 KB Output is correct
115 Correct 529 ms 148392 KB Output is correct