oj.uz

Submission #699943

# Submission time Handle Problem Language Result Execution time Memory
699943 2023-02-18T11:29:10 Z elkernos Arranging Shoes (IOI19_shoes) C++17
100 / 100
 309 ms 407116 KB 
#include "shoes.h"
#include "bits/stdc++.h"

using namespace std;

#define ssize(x) (int)size(x)
template <class A, class B>
auto &operator<<(ostream &o, pair<A, B> p)
{
    return o << '(' << p.first << ", " << p.second << ')';
}
template <class T>
auto operator<<(ostream &o, T x) -> decltype(x.end(), o)
{
    o << '{';
    int i = 0;
    for (auto e : x)
        o << (", ") + 2 * !i++ << e;
    return o << '}';
}
#ifdef DEBUG
#define debug(x...) cerr << "[" #x "]: ", [](auto... $) { ((cerr << $ << "; "), ...); }(x), cerr << '\n'
#else
#define debug(...) \
    {              \
    }
#endif

long long count_swaps(vector<int> s)
{
    int n = ssize(s);
    vector<vector<deque<int>>> pos(2, vector<deque<int>>(n + 1));
    vector<int> pary(n);
    vector<int> order;
    for (int i = 0; i < n; i++) {
        int rozm = abs(s[i]), sign = s[i] > 0;
        if (ssize(pos[sign ^ 1][rozm])) {
            int kto = pos[sign ^ 1][rozm].front();
            pos[sign ^ 1][rozm].pop_front();
            pary[kto] = i;
        }
        else {
            pos[sign][rozm].push_back(i);
            order.push_back(i);
        }
    }
    debug(pary, order);
    vector<int> fen(n + 1);
    auto pisz = [&](int x) {
        for (x++; x; x -= x & -x)
            fen[x]++;
    };
    auto ile = [&](int x) {
        int ans = 0;
        for (x++; x <= n; x += x & -x)
            ans += fen[x];
        return ans;
    };
    long long ans = 0;
    for (int x : order) {
        int lo = x + ile(x);
        int hi = pary[x] + ile(pary[x]);
        ans += hi - lo - 1 + (s[x] > 0);
        debug(ans);
        pisz(pary[x]);
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 296 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 296 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 296 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 4 ms 4308 KB Output is correct
19 Correct 3 ms 4308 KB Output is correct
20 Correct 24 ms 40916 KB Output is correct
21 Correct 24 ms 40908 KB Output is correct
22 Correct 253 ms 407016 KB Output is correct
23 Correct 248 ms 406936 KB Output is correct
24 Correct 247 ms 406932 KB Output is correct
25 Correct 255 ms 406740 KB Output is correct
26 Correct 241 ms 406964 KB Output is correct
27 Correct 255 ms 406732 KB Output is correct
28 Correct 257 ms 406992 KB Output is correct
29 Correct 241 ms 407116 KB Output is correct
30 Correct 236 ms 407016 KB Output is correct
31 Correct 245 ms 406920 KB Output is correct
32 Correct 246 ms 406952 KB Output is correct
33 Correct 243 ms 406836 KB Output is correct
34 Correct 276 ms 407012 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 240 ms 406988 KB Output is correct
38 Correct 232 ms 406952 KB Output is correct
39 Correct 233 ms 406976 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 296 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 263 ms 406912 KB Output is correct
6 Correct 251 ms 406956 KB Output is correct
7 Correct 256 ms 407020 KB Output is correct
8 Correct 237 ms 406976 KB Output is correct
9 Correct 259 ms 406960 KB Output is correct
10 Correct 261 ms 406940 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 296 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 296 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 724 KB Output is correct
40 Correct 1 ms 1492 KB Output is correct
41 Correct 3 ms 4280 KB Output is correct
42 Correct 3 ms 4308 KB Output is correct
43 Correct 3 ms 4308 KB Output is correct
44 Correct 3 ms 4276 KB Output is correct
45 Correct 3 ms 4320 KB Output is correct
46 Correct 3 ms 4308 KB Output is correct
47 Correct 2 ms 4308 KB Output is correct
48 Correct 2 ms 4308 KB Output is correct
49 Correct 3 ms 4308 KB Output is correct
50 Correct 3 ms 4308 KB Output is correct
51 Correct 3 ms 4308 KB Output is correct
52 Correct 3 ms 4308 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 300 KB Output is correct
14 Correct 1 ms 304 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 296 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 296 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 300 KB Output is correct
30 Correct 1 ms 296 KB Output is correct
31 Correct 1 ms 300 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 300 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 296 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 724 KB Output is correct
51 Correct 1 ms 1492 KB Output is correct
52 Correct 4 ms 4308 KB Output is correct
53 Correct 3 ms 4308 KB Output is correct
54 Correct 24 ms 40916 KB Output is correct
55 Correct 24 ms 40908 KB Output is correct
56 Correct 253 ms 407016 KB Output is correct
57 Correct 248 ms 406936 KB Output is correct
58 Correct 247 ms 406932 KB Output is correct
59 Correct 255 ms 406740 KB Output is correct
60 Correct 241 ms 406964 KB Output is correct
61 Correct 255 ms 406732 KB Output is correct
62 Correct 257 ms 406992 KB Output is correct
63 Correct 241 ms 407116 KB Output is correct
64 Correct 236 ms 407016 KB Output is correct
65 Correct 245 ms 406920 KB Output is correct
66 Correct 246 ms 406952 KB Output is correct
67 Correct 243 ms 406836 KB Output is correct
68 Correct 276 ms 407012 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 240 ms 406988 KB Output is correct
72 Correct 232 ms 406952 KB Output is correct
73 Correct 233 ms 406976 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 0 ms 296 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 263 ms 406912 KB Output is correct
79 Correct 251 ms 406956 KB Output is correct
80 Correct 256 ms 407020 KB Output is correct
81 Correct 237 ms 406976 KB Output is correct
82 Correct 259 ms 406960 KB Output is correct
83 Correct 261 ms 406940 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 468 KB Output is correct
86 Correct 1 ms 724 KB Output is correct
87 Correct 1 ms 1492 KB Output is correct
88 Correct 3 ms 4280 KB Output is correct
89 Correct 3 ms 4308 KB Output is correct
90 Correct 3 ms 4308 KB Output is correct
91 Correct 3 ms 4276 KB Output is correct
92 Correct 3 ms 4320 KB Output is correct
93 Correct 3 ms 4308 KB Output is correct
94 Correct 2 ms 4308 KB Output is correct
95 Correct 2 ms 4308 KB Output is correct
96 Correct 3 ms 4308 KB Output is correct
97 Correct 3 ms 4308 KB Output is correct
98 Correct 3 ms 4308 KB Output is correct
99 Correct 3 ms 4308 KB Output is correct
100 Correct 3 ms 4308 KB Output is correct
101 Correct 28 ms 40832 KB Output is correct
102 Correct 26 ms 40892 KB Output is correct
103 Correct 266 ms 406900 KB Output is correct
104 Correct 285 ms 407116 KB Output is correct
105 Correct 260 ms 407056 KB Output is correct
106 Correct 261 ms 406912 KB Output is correct
107 Correct 286 ms 406960 KB Output is correct
108 Correct 247 ms 406912 KB Output is correct
109 Correct 248 ms 406952 KB Output is correct
110 Correct 238 ms 406988 KB Output is correct
111 Correct 261 ms 406976 KB Output is correct
112 Correct 281 ms 406968 KB Output is correct
113 Correct 261 ms 407004 KB Output is correct
114 Correct 270 ms 407028 KB Output is correct
115 Correct 309 ms 407028 KB Output is correct