oj.uz

답안 #826770

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
826770 2023-08-16T03:09:56 Z kevinsogo Arranging Shoes (IOI19_shoes) C++17
100 / 100
 680 ms 24996 KB 
#include <bits/stdc++.h>
using namespace std;
#include "shoes.h"
using ll = long long;

struct Fen {
    vector<int> c;
    Fen(int n): c(n + 1) {}
    void inc(int i, int v = 1) {
        for (++i; i < c.size(); i += i & -i) c[i] += v;
    }
    int sum(int i, int v = 0) {
        for (; i; i -= i & -i) v += c[i];
        return v;
    }
};

ll count_swaps(vector<int> _seq) {
    unordered_map<int,int> found; found.max_load_factor(0.5);
    vector<ll> seq;
    for (int v : _seq) seq.push_back(ll(v) * _seq.size() + ((v > 0) - (v < 0)) * found[v]++);
    unordered_map<ll,int> pos; pos.max_load_factor(0.5);
    for (int i = 0; i < seq.size(); i++) pos[seq[i]] = i;
    sort(seq.rbegin(), seq.rend(), [&](ll i, ll j) {
        int d = min(pos[i], pos[-i]) - min(pos[j], pos[-j]);
        return d ? d < 0 : i < j;
    });
    for (ll& v : seq) v = pos[v];
    ll ans = 0;
    Fen f(seq.size());
    for (ll v : seq) ans += f.sum(v), f.inc(v);
    return ans;
}

Compilation message

shoes.cpp: In member function 'void Fen::inc(int, int)':
shoes.cpp:10:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for (++i; i < c.size(); i += i & -i) c[i] += v;
      |                   ~~^~~~~~~~~~
shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i = 0; i < seq.size(); i++) pos[seq[i]] = i;
      |                     ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 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 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 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 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 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 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 16 ms 1820 KB Output is correct
21 Correct 16 ms 1756 KB Output is correct
22 Correct 180 ms 14424 KB Output is correct
23 Correct 154 ms 14536 KB Output is correct
24 Correct 178 ms 14544 KB Output is correct
25 Correct 461 ms 14540 KB Output is correct
26 Correct 182 ms 14440 KB Output is correct
27 Correct 181 ms 14536 KB Output is correct
28 Correct 440 ms 14544 KB Output is correct
29 Correct 421 ms 14540 KB Output is correct
30 Correct 438 ms 14540 KB Output is correct
31 Correct 191 ms 14540 KB Output is correct
32 Correct 412 ms 14536 KB Output is correct
33 Correct 423 ms 14544 KB Output is correct
34 Correct 423 ms 14544 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 412 ms 14440 KB Output is correct
38 Correct 418 ms 14536 KB Output is correct
39 Correct 416 ms 14440 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 680 ms 24868 KB Output is correct
6 Correct 675 ms 15572 KB Output is correct
7 Correct 494 ms 24996 KB Output is correct
8 Correct 421 ms 14440 KB Output is correct
9 Correct 460 ms 24876 KB Output is correct
10 Correct 650 ms 19676 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 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 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 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 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 2 ms 468 KB Output is correct
46 Correct 2 ms 468 KB Output is correct
47 Correct 2 ms 468 KB Output is correct
48 Correct 3 ms 468 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 3 ms 468 KB Output is correct
51 Correct 3 ms 468 KB Output is correct
52 Correct 3 ms 596 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 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 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 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 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 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 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 2 ms 468 KB Output is correct
53 Correct 2 ms 468 KB Output is correct
54 Correct 16 ms 1820 KB Output is correct
55 Correct 16 ms 1756 KB Output is correct
56 Correct 180 ms 14424 KB Output is correct
57 Correct 154 ms 14536 KB Output is correct
58 Correct 178 ms 14544 KB Output is correct
59 Correct 461 ms 14540 KB Output is correct
60 Correct 182 ms 14440 KB Output is correct
61 Correct 181 ms 14536 KB Output is correct
62 Correct 440 ms 14544 KB Output is correct
63 Correct 421 ms 14540 KB Output is correct
64 Correct 438 ms 14540 KB Output is correct
65 Correct 191 ms 14540 KB Output is correct
66 Correct 412 ms 14536 KB Output is correct
67 Correct 423 ms 14544 KB Output is correct
68 Correct 423 ms 14544 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 412 ms 14440 KB Output is correct
72 Correct 418 ms 14536 KB Output is correct
73 Correct 416 ms 14440 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 680 ms 24868 KB Output is correct
79 Correct 675 ms 15572 KB Output is correct
80 Correct 494 ms 24996 KB Output is correct
81 Correct 421 ms 14440 KB Output is correct
82 Correct 460 ms 24876 KB Output is correct
83 Correct 650 ms 19676 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 0 ms 212 KB Output is correct
86 Correct 0 ms 212 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 2 ms 596 KB Output is correct
89 Correct 1 ms 596 KB Output is correct
90 Correct 2 ms 468 KB Output is correct
91 Correct 2 ms 468 KB Output is correct
92 Correct 2 ms 468 KB Output is correct
93 Correct 2 ms 468 KB Output is correct
94 Correct 2 ms 468 KB Output is correct
95 Correct 3 ms 468 KB Output is correct
96 Correct 2 ms 468 KB Output is correct
97 Correct 3 ms 468 KB Output is correct
98 Correct 3 ms 468 KB Output is correct
99 Correct 3 ms 596 KB Output is correct
100 Correct 2 ms 596 KB Output is correct
101 Correct 20 ms 2780 KB Output is correct
102 Correct 25 ms 2004 KB Output is correct
103 Correct 297 ms 24872 KB Output is correct
104 Correct 198 ms 24780 KB Output is correct
105 Correct 256 ms 20108 KB Output is correct
106 Correct 471 ms 24884 KB Output is correct
107 Correct 290 ms 15668 KB Output is correct
108 Correct 222 ms 16928 KB Output is correct
109 Correct 413 ms 14536 KB Output is correct
110 Correct 429 ms 14540 KB Output is correct
111 Correct 492 ms 24196 KB Output is correct
112 Correct 292 ms 23596 KB Output is correct
113 Correct 379 ms 15796 KB Output is correct
114 Correct 469 ms 24884 KB Output is correct
115 Correct 450 ms 24808 KB Output is correct