oj.uz

Submission #837458

# Submission time Handle Problem Language Result Execution time Memory
837458 2023-08-25T11:06:11 Z abczz Arranging Shoes (IOI19_shoes) C++14
100 / 100
 118 ms 24652 KB 
#include "shoes.h"
#include <iostream>
#include <vector>
#include <cstdlib>
#include <map>
#define ll long long
 
using namespace std;
 
ll n, f, x, y, st[800000], id[2][200000];
bool B[200000];
vector <ll> V[2][200000], X;
void build(ll id, ll l, ll r) {
	if (l == r) {
		st[id] = 1;
		return;
	}
	ll mid = (l+r)/2;
	build(id*2, l, mid);
	build(id*2+1, mid+1, r);
	st[id] = st[id*2] + st[id*2+1];
}
 
ll query(ll id, ll l, ll r, ll ql, ll qr) {
	if (qr < l || r < ql) return 0;
	else if (ql <= l && r <= qr) return st[id];
	ll mid = (l+r)/2;
	return query(id*2, l, mid, ql, qr) + query(id*2+1, mid+1, r, ql, qr);
}
 
void update(ll id, ll l, ll r, ll q) {
	if (l == r) {
		st[id] = 0;
		return;
	}
	ll mid = (l+r)/2;
	if (q <= mid) update(id*2, l, mid, q);
	else update(id*2+1, mid+1, r, q);
	st[id] = st[id*2] + st[id*2+1];
}
 
long long count_swaps(std::vector<int> s) {
  build(1, 0, s.size()-1);
	f = 0;
	for (int i=0; i<s.size(); ++i) {
		V[(s[i] < 0)][abs(s[i])-1].push_back(i);
	}
  for (int i=0; i<s.size(); ++i) {
    if (B[i]) continue;
    auto u = V[1][abs(s[i])-1][id[1][abs(s[i])-1]];
    auto v = V[0][abs(s[i])-1][id[0][abs(s[i])-1]];
    B[u] = B[v] = 1;
    ++id[0][abs(s[i])-1];
    ++id[1][abs(s[i])-1];
    f += query(1, 0, s.size()-1, 0, u)-1;
    update(1, 0, s.size()-1, u);
    f += query(1, 0, s.size()-1, 0, v)-1;
    update(1, 0, s.size()-1, v);
  }
	return f;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:45:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for (int i=0; i<s.size(); ++i) {
      |                ~^~~~~~~~~
shoes.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   for (int i=0; i<s.size(); ++i) {
      |                 ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9732 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 4 ms 9684 KB Output is correct
17 Correct 6 ms 9796 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 4 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 4 ms 9684 KB Output is correct
29 Correct 4 ms 9684 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 5 ms 9732 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9660 KB Output is correct
4 Correct 4 ms 9684 KB Output is correct
5 Correct 4 ms 9684 KB Output is correct
6 Correct 5 ms 9812 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 4 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 4 ms 9684 KB Output is correct
14 Correct 4 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9772 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 10 ms 10832 KB Output is correct
21 Correct 10 ms 10744 KB Output is correct
22 Correct 64 ms 18512 KB Output is correct
23 Correct 61 ms 18584 KB Output is correct
24 Correct 62 ms 18608 KB Output is correct
25 Correct 59 ms 18760 KB Output is correct
26 Correct 65 ms 18616 KB Output is correct
27 Correct 64 ms 18368 KB Output is correct
28 Correct 73 ms 18880 KB Output is correct
29 Correct 59 ms 18888 KB Output is correct
30 Correct 72 ms 18880 KB Output is correct
31 Correct 64 ms 18528 KB Output is correct
32 Correct 64 ms 18888 KB Output is correct
33 Correct 58 ms 18760 KB Output is correct
34 Correct 61 ms 18888 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 64 ms 18920 KB Output is correct
38 Correct 63 ms 18880 KB Output is correct
39 Correct 59 ms 18888 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9684 KB Output is correct
4 Correct 5 ms 9632 KB Output is correct
5 Correct 76 ms 24532 KB Output is correct
6 Correct 74 ms 20852 KB Output is correct
7 Correct 91 ms 24624 KB Output is correct
8 Correct 60 ms 18980 KB Output is correct
9 Correct 79 ms 24600 KB Output is correct
10 Correct 108 ms 21976 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9732 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 4 ms 9684 KB Output is correct
17 Correct 6 ms 9796 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 4 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 4 ms 9684 KB Output is correct
29 Correct 4 ms 9684 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 5 ms 9732 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 4 ms 9684 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 6 ms 9704 KB Output is correct
41 Correct 6 ms 9812 KB Output is correct
42 Correct 5 ms 9848 KB Output is correct
43 Correct 5 ms 9812 KB Output is correct
44 Correct 6 ms 9776 KB Output is correct
45 Correct 5 ms 9776 KB Output is correct
46 Correct 5 ms 9812 KB Output is correct
47 Correct 8 ms 9716 KB Output is correct
48 Correct 6 ms 9936 KB Output is correct
49 Correct 5 ms 9812 KB Output is correct
50 Correct 5 ms 9812 KB Output is correct
51 Correct 6 ms 9716 KB Output is correct
52 Correct 5 ms 9812 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 4 ms 9684 KB Output is correct
12 Correct 4 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9732 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 4 ms 9684 KB Output is correct
17 Correct 6 ms 9796 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 4 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 4 ms 9684 KB Output is correct
29 Correct 4 ms 9684 KB Output is correct
30 Correct 6 ms 9684 KB Output is correct
31 Correct 5 ms 9732 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9660 KB Output is correct
38 Correct 4 ms 9684 KB Output is correct
39 Correct 4 ms 9684 KB Output is correct
40 Correct 5 ms 9812 KB Output is correct
41 Correct 5 ms 9684 KB Output is correct
42 Correct 4 ms 9684 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 4 ms 9684 KB Output is correct
48 Correct 4 ms 9684 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 5 ms 9684 KB Output is correct
52 Correct 5 ms 9772 KB Output is correct
53 Correct 5 ms 9684 KB Output is correct
54 Correct 10 ms 10832 KB Output is correct
55 Correct 10 ms 10744 KB Output is correct
56 Correct 64 ms 18512 KB Output is correct
57 Correct 61 ms 18584 KB Output is correct
58 Correct 62 ms 18608 KB Output is correct
59 Correct 59 ms 18760 KB Output is correct
60 Correct 65 ms 18616 KB Output is correct
61 Correct 64 ms 18368 KB Output is correct
62 Correct 73 ms 18880 KB Output is correct
63 Correct 59 ms 18888 KB Output is correct
64 Correct 72 ms 18880 KB Output is correct
65 Correct 64 ms 18528 KB Output is correct
66 Correct 64 ms 18888 KB Output is correct
67 Correct 58 ms 18760 KB Output is correct
68 Correct 61 ms 18888 KB Output is correct
69 Correct 5 ms 9684 KB Output is correct
70 Correct 5 ms 9684 KB Output is correct
71 Correct 64 ms 18920 KB Output is correct
72 Correct 63 ms 18880 KB Output is correct
73 Correct 59 ms 18888 KB Output is correct
74 Correct 5 ms 9684 KB Output is correct
75 Correct 5 ms 9684 KB Output is correct
76 Correct 4 ms 9684 KB Output is correct
77 Correct 5 ms 9632 KB Output is correct
78 Correct 76 ms 24532 KB Output is correct
79 Correct 74 ms 20852 KB Output is correct
80 Correct 91 ms 24624 KB Output is correct
81 Correct 60 ms 18980 KB Output is correct
82 Correct 79 ms 24600 KB Output is correct
83 Correct 108 ms 21976 KB Output is correct
84 Correct 4 ms 9684 KB Output is correct
85 Correct 5 ms 9684 KB Output is correct
86 Correct 5 ms 9684 KB Output is correct
87 Correct 6 ms 9704 KB Output is correct
88 Correct 6 ms 9812 KB Output is correct
89 Correct 5 ms 9848 KB Output is correct
90 Correct 5 ms 9812 KB Output is correct
91 Correct 6 ms 9776 KB Output is correct
92 Correct 5 ms 9776 KB Output is correct
93 Correct 5 ms 9812 KB Output is correct
94 Correct 8 ms 9716 KB Output is correct
95 Correct 6 ms 9936 KB Output is correct
96 Correct 5 ms 9812 KB Output is correct
97 Correct 5 ms 9812 KB Output is correct
98 Correct 6 ms 9716 KB Output is correct
99 Correct 5 ms 9812 KB Output is correct
100 Correct 5 ms 9812 KB Output is correct
101 Correct 12 ms 11236 KB Output is correct
102 Correct 12 ms 10964 KB Output is correct
103 Correct 118 ms 24652 KB Output is correct
104 Correct 88 ms 24560 KB Output is correct
105 Correct 94 ms 22204 KB Output is correct
106 Correct 83 ms 24528 KB Output is correct
107 Correct 84 ms 21068 KB Output is correct
108 Correct 82 ms 21260 KB Output is correct
109 Correct 67 ms 19264 KB Output is correct
110 Correct 60 ms 18920 KB Output is correct
111 Correct 81 ms 23936 KB Output is correct
112 Correct 110 ms 23284 KB Output is correct
113 Correct 85 ms 20952 KB Output is correct
114 Correct 85 ms 24652 KB Output is correct
115 Correct 82 ms 24540 KB Output is correct