oj.uz

Submission #726034

# Submission time Handle Problem Language Result Execution time Memory
726034 2023-04-18T10:35:17 Z PixelCat Arranging Shoes (IOI19_shoes) C++14
100 / 100
 88 ms 22796 KB 
#include "shoes.h"
#ifdef NYAOWO
#include "grader.cpp"
#endif
 
#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define eb emplace_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(), x.end()
#define int LL
using namespace std;
using LL = long long;
using pii = pair<int, int>;
 
const int MAXN = 200010;
 
#define LO(x) (x & (-x))
struct BIT {
    int n;
    int a[MAXN];
    void init(int _n) {
        n = _n;
        memset(a, 0, sizeof(a));
    }
    void add(int i, int x) {
        while(i <= n) {
            a[i] += x;
            i += LO(i);
        }
    }
    int ask(int i) {
        int res = 0;
        while(i) {
            res += a[i];
            i -= LO(i);
        }
        return res;
    }
} bit;
 
vector<int> l[MAXN];
vector<int> r[MAXN];
 
int solve1(vector<int32_t> s) {
    int n = sz(s) / 2;
    For(i, 1, n) {
        l[i].clear();
        r[i].clear();
    }
    For(i, 0, n * 2 - 1) {
        if(s[i] < 0) l[-s[i]].eb(i + 1);
        else r[s[i]].eb(i + 1);
    }
    vector<pii> owo;
    int add = 0;
    For(siz, 1, n) {
        For(i, 0, sz(l[siz]) - 1) {
            int a = l[siz][i];
            int b = r[siz][i];
            if(a > b) {
                swap(a, b);
                add++;
            }
            owo.eb(a, b);
        }
    }
    sort(all(owo), [&](pii a, pii b) {
        return a.F < b.F;
    });
    int res = 0;
    bit.init(n * 2);
    For(i, 1, n * 2) bit.add(i, 1);
    for(auto &p:owo) {
        bit.add(p.F, -1);
        res += bit.ask(p.F);
        bit.add(p.S, -1);
        res += bit.ask(p.S);
    }
    return res + add;
}
 
long long count_swaps(std::vector<int32_t> s) {
    return solve1(s);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11220 KB Output is correct
2 Correct 7 ms 11220 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11220 KB Output is correct
2 Correct 7 ms 11220 KB Output is correct
3 Correct 6 ms 11244 KB Output is correct
4 Correct 6 ms 11220 KB Output is correct
5 Correct 6 ms 11220 KB Output is correct
6 Correct 6 ms 11220 KB Output is correct
7 Correct 6 ms 11220 KB Output is correct
8 Correct 6 ms 11220 KB Output is correct
9 Correct 7 ms 11248 KB Output is correct
10 Correct 6 ms 11240 KB Output is correct
11 Correct 7 ms 11240 KB Output is correct
12 Correct 8 ms 11236 KB Output is correct
13 Correct 6 ms 11220 KB Output is correct
14 Correct 7 ms 11220 KB Output is correct
15 Correct 6 ms 11220 KB Output is correct
16 Correct 6 ms 11244 KB Output is correct
17 Correct 7 ms 11248 KB Output is correct
18 Correct 6 ms 11200 KB Output is correct
19 Correct 6 ms 11248 KB Output is correct
20 Correct 6 ms 11220 KB Output is correct
21 Correct 6 ms 11160 KB Output is correct
22 Correct 6 ms 11220 KB Output is correct
23 Correct 6 ms 11220 KB Output is correct
24 Correct 6 ms 11220 KB Output is correct
25 Correct 6 ms 11220 KB Output is correct
26 Correct 6 ms 11240 KB Output is correct
27 Correct 6 ms 11220 KB Output is correct
28 Correct 6 ms 11240 KB Output is correct
29 Correct 6 ms 11220 KB Output is correct
30 Correct 6 ms 11220 KB Output is correct
31 Correct 6 ms 11220 KB Output is correct
32 Correct 7 ms 11240 KB Output is correct
33 Correct 6 ms 11220 KB Output is correct
34 Correct 6 ms 11164 KB Output is correct
35 Correct 6 ms 11220 KB Output is correct
36 Correct 6 ms 11244 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11220 KB Output is correct
2 Correct 7 ms 11220 KB Output is correct
3 Correct 6 ms 11220 KB Output is correct
4 Correct 9 ms 11348 KB Output is correct
5 Correct 7 ms 11220 KB Output is correct
6 Correct 7 ms 11220 KB Output is correct
7 Correct 7 ms 11244 KB Output is correct
8 Correct 7 ms 11220 KB Output is correct
9 Correct 6 ms 11244 KB Output is correct
10 Correct 9 ms 11220 KB Output is correct
11 Correct 7 ms 11220 KB Output is correct
12 Correct 6 ms 11220 KB Output is correct
13 Correct 6 ms 11220 KB Output is correct
14 Correct 7 ms 11240 KB Output is correct
15 Correct 9 ms 11220 KB Output is correct
16 Correct 6 ms 11220 KB Output is correct
17 Correct 6 ms 11232 KB Output is correct
18 Correct 7 ms 11300 KB Output is correct
19 Correct 7 ms 11220 KB Output is correct
20 Correct 9 ms 12060 KB Output is correct
21 Correct 11 ms 12020 KB Output is correct
22 Correct 45 ms 18132 KB Output is correct
23 Correct 41 ms 18136 KB Output is correct
24 Correct 48 ms 18044 KB Output is correct
25 Correct 46 ms 17900 KB Output is correct
26 Correct 42 ms 18136 KB Output is correct
27 Correct 40 ms 17844 KB Output is correct
28 Correct 44 ms 18148 KB Output is correct
29 Correct 44 ms 18108 KB Output is correct
30 Correct 43 ms 18124 KB Output is correct
31 Correct 54 ms 18232 KB Output is correct
32 Correct 46 ms 18044 KB Output is correct
33 Correct 46 ms 17864 KB Output is correct
34 Correct 42 ms 18108 KB Output is correct
35 Correct 6 ms 11220 KB Output is correct
36 Correct 6 ms 11220 KB Output is correct
37 Correct 44 ms 18152 KB Output is correct
38 Correct 53 ms 18128 KB Output is correct
39 Correct 48 ms 18236 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11220 KB Output is correct
2 Correct 6 ms 11244 KB Output is correct
3 Correct 6 ms 11244 KB Output is correct
4 Correct 7 ms 11220 KB Output is correct
5 Correct 66 ms 22716 KB Output is correct
6 Correct 57 ms 19072 KB Output is correct
7 Correct 66 ms 22736 KB Output is correct
8 Correct 49 ms 18604 KB Output is correct
9 Correct 64 ms 22716 KB Output is correct
10 Correct 67 ms 20132 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11220 KB Output is correct
2 Correct 7 ms 11220 KB Output is correct
3 Correct 6 ms 11244 KB Output is correct
4 Correct 6 ms 11220 KB Output is correct
5 Correct 6 ms 11220 KB Output is correct
6 Correct 6 ms 11220 KB Output is correct
7 Correct 6 ms 11220 KB Output is correct
8 Correct 6 ms 11220 KB Output is correct
9 Correct 7 ms 11248 KB Output is correct
10 Correct 6 ms 11240 KB Output is correct
11 Correct 7 ms 11240 KB Output is correct
12 Correct 8 ms 11236 KB Output is correct
13 Correct 6 ms 11220 KB Output is correct
14 Correct 7 ms 11220 KB Output is correct
15 Correct 6 ms 11220 KB Output is correct
16 Correct 6 ms 11244 KB Output is correct
17 Correct 7 ms 11248 KB Output is correct
18 Correct 6 ms 11200 KB Output is correct
19 Correct 6 ms 11248 KB Output is correct
20 Correct 6 ms 11220 KB Output is correct
21 Correct 6 ms 11160 KB Output is correct
22 Correct 6 ms 11220 KB Output is correct
23 Correct 6 ms 11220 KB Output is correct
24 Correct 6 ms 11220 KB Output is correct
25 Correct 6 ms 11220 KB Output is correct
26 Correct 6 ms 11240 KB Output is correct
27 Correct 6 ms 11220 KB Output is correct
28 Correct 6 ms 11240 KB Output is correct
29 Correct 6 ms 11220 KB Output is correct
30 Correct 6 ms 11220 KB Output is correct
31 Correct 6 ms 11220 KB Output is correct
32 Correct 7 ms 11240 KB Output is correct
33 Correct 6 ms 11220 KB Output is correct
34 Correct 6 ms 11164 KB Output is correct
35 Correct 6 ms 11220 KB Output is correct
36 Correct 6 ms 11244 KB Output is correct
37 Correct 6 ms 11244 KB Output is correct
38 Correct 6 ms 11220 KB Output is correct
39 Correct 6 ms 11220 KB Output is correct
40 Correct 6 ms 11240 KB Output is correct
41 Correct 7 ms 11348 KB Output is correct
42 Correct 7 ms 11348 KB Output is correct
43 Correct 7 ms 11348 KB Output is correct
44 Correct 6 ms 11348 KB Output is correct
45 Correct 7 ms 11348 KB Output is correct
46 Correct 6 ms 11348 KB Output is correct
47 Correct 6 ms 11252 KB Output is correct
48 Correct 7 ms 11348 KB Output is correct
49 Correct 6 ms 11348 KB Output is correct
50 Correct 6 ms 11252 KB Output is correct
51 Correct 6 ms 11220 KB Output is correct
52 Correct 7 ms 11380 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11220 KB Output is correct
2 Correct 7 ms 11220 KB Output is correct
3 Correct 6 ms 11244 KB Output is correct
4 Correct 6 ms 11220 KB Output is correct
5 Correct 6 ms 11220 KB Output is correct
6 Correct 6 ms 11220 KB Output is correct
7 Correct 6 ms 11220 KB Output is correct
8 Correct 6 ms 11220 KB Output is correct
9 Correct 7 ms 11248 KB Output is correct
10 Correct 6 ms 11240 KB Output is correct
11 Correct 7 ms 11240 KB Output is correct
12 Correct 8 ms 11236 KB Output is correct
13 Correct 6 ms 11220 KB Output is correct
14 Correct 7 ms 11220 KB Output is correct
15 Correct 6 ms 11220 KB Output is correct
16 Correct 6 ms 11244 KB Output is correct
17 Correct 7 ms 11248 KB Output is correct
18 Correct 6 ms 11200 KB Output is correct
19 Correct 6 ms 11248 KB Output is correct
20 Correct 6 ms 11220 KB Output is correct
21 Correct 6 ms 11160 KB Output is correct
22 Correct 6 ms 11220 KB Output is correct
23 Correct 6 ms 11220 KB Output is correct
24 Correct 6 ms 11220 KB Output is correct
25 Correct 6 ms 11220 KB Output is correct
26 Correct 6 ms 11240 KB Output is correct
27 Correct 6 ms 11220 KB Output is correct
28 Correct 6 ms 11240 KB Output is correct
29 Correct 6 ms 11220 KB Output is correct
30 Correct 6 ms 11220 KB Output is correct
31 Correct 6 ms 11220 KB Output is correct
32 Correct 7 ms 11240 KB Output is correct
33 Correct 6 ms 11220 KB Output is correct
34 Correct 6 ms 11164 KB Output is correct
35 Correct 6 ms 11220 KB Output is correct
36 Correct 6 ms 11244 KB Output is correct
37 Correct 6 ms 11220 KB Output is correct
38 Correct 9 ms 11348 KB Output is correct
39 Correct 7 ms 11220 KB Output is correct
40 Correct 7 ms 11220 KB Output is correct
41 Correct 7 ms 11244 KB Output is correct
42 Correct 7 ms 11220 KB Output is correct
43 Correct 6 ms 11244 KB Output is correct
44 Correct 9 ms 11220 KB Output is correct
45 Correct 7 ms 11220 KB Output is correct
46 Correct 6 ms 11220 KB Output is correct
47 Correct 6 ms 11220 KB Output is correct
48 Correct 7 ms 11240 KB Output is correct
49 Correct 9 ms 11220 KB Output is correct
50 Correct 6 ms 11220 KB Output is correct
51 Correct 6 ms 11232 KB Output is correct
52 Correct 7 ms 11300 KB Output is correct
53 Correct 7 ms 11220 KB Output is correct
54 Correct 9 ms 12060 KB Output is correct
55 Correct 11 ms 12020 KB Output is correct
56 Correct 45 ms 18132 KB Output is correct
57 Correct 41 ms 18136 KB Output is correct
58 Correct 48 ms 18044 KB Output is correct
59 Correct 46 ms 17900 KB Output is correct
60 Correct 42 ms 18136 KB Output is correct
61 Correct 40 ms 17844 KB Output is correct
62 Correct 44 ms 18148 KB Output is correct
63 Correct 44 ms 18108 KB Output is correct
64 Correct 43 ms 18124 KB Output is correct
65 Correct 54 ms 18232 KB Output is correct
66 Correct 46 ms 18044 KB Output is correct
67 Correct 46 ms 17864 KB Output is correct
68 Correct 42 ms 18108 KB Output is correct
69 Correct 6 ms 11220 KB Output is correct
70 Correct 6 ms 11220 KB Output is correct
71 Correct 44 ms 18152 KB Output is correct
72 Correct 53 ms 18128 KB Output is correct
73 Correct 48 ms 18236 KB Output is correct
74 Correct 6 ms 11220 KB Output is correct
75 Correct 6 ms 11244 KB Output is correct
76 Correct 6 ms 11244 KB Output is correct
77 Correct 7 ms 11220 KB Output is correct
78 Correct 66 ms 22716 KB Output is correct
79 Correct 57 ms 19072 KB Output is correct
80 Correct 66 ms 22736 KB Output is correct
81 Correct 49 ms 18604 KB Output is correct
82 Correct 64 ms 22716 KB Output is correct
83 Correct 67 ms 20132 KB Output is correct
84 Correct 6 ms 11244 KB Output is correct
85 Correct 6 ms 11220 KB Output is correct
86 Correct 6 ms 11220 KB Output is correct
87 Correct 6 ms 11240 KB Output is correct
88 Correct 7 ms 11348 KB Output is correct
89 Correct 7 ms 11348 KB Output is correct
90 Correct 7 ms 11348 KB Output is correct
91 Correct 6 ms 11348 KB Output is correct
92 Correct 7 ms 11348 KB Output is correct
93 Correct 6 ms 11348 KB Output is correct
94 Correct 6 ms 11252 KB Output is correct
95 Correct 7 ms 11348 KB Output is correct
96 Correct 6 ms 11348 KB Output is correct
97 Correct 6 ms 11252 KB Output is correct
98 Correct 6 ms 11220 KB Output is correct
99 Correct 7 ms 11380 KB Output is correct
100 Correct 6 ms 11348 KB Output is correct
101 Correct 11 ms 12376 KB Output is correct
102 Correct 11 ms 12072 KB Output is correct
103 Correct 88 ms 22740 KB Output is correct
104 Correct 66 ms 22744 KB Output is correct
105 Correct 82 ms 20448 KB Output is correct
106 Correct 69 ms 22748 KB Output is correct
107 Correct 61 ms 19168 KB Output is correct
108 Correct 60 ms 19388 KB Output is correct
109 Correct 45 ms 19044 KB Output is correct
110 Correct 45 ms 18132 KB Output is correct
111 Correct 65 ms 22112 KB Output is correct
112 Correct 84 ms 21340 KB Output is correct
113 Correct 63 ms 19076 KB Output is correct
114 Correct 65 ms 22712 KB Output is correct
115 Correct 62 ms 22796 KB Output is correct