oj.uz

Submission #151727

# Submission time Handle Problem Language Result Execution time Memory
151727 2019-09-04T11:36:19 Z mbrc Arranging Shoes (IOI19_shoes) C++14
100 / 100
 768 ms 151224 KB 
#include "shoes.h"
#include <map>
#include <set>
#include <algorithm>
#include <tuple>
#include <iostream>
#include <queue>

using namespace std;

typedef long long ll;

const int maxn = 1e6 + 7;
int bit[maxn];

void upd(int x) {
    x++;
    while (x < maxn) {
        bit[x]++; x += x & (-x);
    }
}

int qry(int x) {
    int ans = 0; x++;
    while (x > 0) {
        ans += bit[x]; x -= x & (-x);
    }
    return ans;
}

vector < int > res;
map < int, queue < int > > M;
map < int, int > G;

long long count_swaps(std::vector<int> s) {
    
    int n = s.size(); M.clear(); G.clear();
    res.clear(); res.resize(n);
    int cur = 0;

    fill(bit, bit + n + n, 0);

    for (int j = 0; j < n; j++) {
        if (M.find(-s[j]) != M.end() && !M[-s[j]].empty()) {
            int z = M[-s[j]].front(); M[-s[j]].pop();
            int p = G[z];
            if (s[j] < 0) {
                res[p + p] = j; res[p + p + 1] = z;
            } else {
                res[p + p + 1] = j; res[p + p] = z;
            }
        } else {
            if (M.find(s[j]) == M.end()) M[s[j]] = *new queue < int >();
            M[s[j]].push(j);
            G[j] = cur++;
        }
    }

    ll ans = 0;

    //for (int x : res) {
        //cout << x << " ";
    //}
    //cout << endl;

    for (int j = n - 1; j >= 0; j--) {
        ans += qry(res[j]); upd(res[j]);
    }

    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 296 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 8 ms 1272 KB Output is correct
21 Correct 9 ms 1272 KB Output is correct
22 Correct 81 ms 10232 KB Output is correct
23 Correct 84 ms 10232 KB Output is correct
24 Correct 86 ms 10260 KB Output is correct
25 Correct 66 ms 10360 KB Output is correct
26 Correct 84 ms 10204 KB Output is correct
27 Correct 83 ms 10104 KB Output is correct
28 Correct 67 ms 10620 KB Output is correct
29 Correct 68 ms 10616 KB Output is correct
30 Correct 67 ms 10652 KB Output is correct
31 Correct 82 ms 10232 KB Output is correct
32 Correct 67 ms 10744 KB Output is correct
33 Correct 65 ms 10516 KB Output is correct
34 Correct 67 ms 10616 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 67 ms 10616 KB Output is correct
38 Correct 67 ms 10616 KB Output is correct
39 Correct 68 ms 10616 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 570 ms 151128 KB Output is correct
6 Correct 191 ms 22524 KB Output is correct
7 Correct 528 ms 151168 KB Output is correct
8 Correct 74 ms 10616 KB Output is correct
9 Correct 525 ms 151132 KB Output is correct
10 Correct 362 ms 80760 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 5 ms 1784 KB Output is correct
42 Correct 5 ms 1912 KB Output is correct
43 Correct 5 ms 1784 KB Output is correct
44 Correct 4 ms 1528 KB Output is correct
45 Correct 5 ms 1400 KB Output is correct
46 Correct 4 ms 1144 KB Output is correct
47 Correct 4 ms 1016 KB Output is correct
48 Correct 4 ms 888 KB Output is correct
49 Correct 4 ms 780 KB Output is correct
50 Correct 3 ms 536 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 5 ms 1784 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 296 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 8 ms 1272 KB Output is correct
55 Correct 9 ms 1272 KB Output is correct
56 Correct 81 ms 10232 KB Output is correct
57 Correct 84 ms 10232 KB Output is correct
58 Correct 86 ms 10260 KB Output is correct
59 Correct 66 ms 10360 KB Output is correct
60 Correct 84 ms 10204 KB Output is correct
61 Correct 83 ms 10104 KB Output is correct
62 Correct 67 ms 10620 KB Output is correct
63 Correct 68 ms 10616 KB Output is correct
64 Correct 67 ms 10652 KB Output is correct
65 Correct 82 ms 10232 KB Output is correct
66 Correct 67 ms 10744 KB Output is correct
67 Correct 65 ms 10516 KB Output is correct
68 Correct 67 ms 10616 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 67 ms 10616 KB Output is correct
72 Correct 67 ms 10616 KB Output is correct
73 Correct 68 ms 10616 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 3 ms 376 KB Output is correct
76 Correct 2 ms 504 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 570 ms 151128 KB Output is correct
79 Correct 191 ms 22524 KB Output is correct
80 Correct 528 ms 151168 KB Output is correct
81 Correct 74 ms 10616 KB Output is correct
82 Correct 525 ms 151132 KB Output is correct
83 Correct 362 ms 80760 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 376 KB Output is correct
86 Correct 3 ms 504 KB Output is correct
87 Correct 3 ms 760 KB Output is correct
88 Correct 5 ms 1784 KB Output is correct
89 Correct 5 ms 1912 KB Output is correct
90 Correct 5 ms 1784 KB Output is correct
91 Correct 4 ms 1528 KB Output is correct
92 Correct 5 ms 1400 KB Output is correct
93 Correct 4 ms 1144 KB Output is correct
94 Correct 4 ms 1016 KB Output is correct
95 Correct 4 ms 888 KB Output is correct
96 Correct 4 ms 780 KB Output is correct
97 Correct 3 ms 536 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 5 ms 1784 KB Output is correct
100 Correct 5 ms 1912 KB Output is correct
101 Correct 44 ms 14476 KB Output is correct
102 Correct 26 ms 5624 KB Output is correct
103 Correct 768 ms 151124 KB Output is correct
104 Correct 456 ms 151096 KB Output is correct
105 Correct 482 ms 115904 KB Output is correct
106 Correct 525 ms 151140 KB Output is correct
107 Correct 192 ms 25888 KB Output is correct
108 Correct 231 ms 41464 KB Output is correct
109 Correct 70 ms 10616 KB Output is correct
110 Correct 67 ms 10588 KB Output is correct
111 Correct 549 ms 135688 KB Output is correct
112 Correct 639 ms 120148 KB Output is correct
113 Correct 258 ms 27640 KB Output is correct
114 Correct 621 ms 151160 KB Output is correct
115 Correct 558 ms 151224 KB Output is correct