oj.uz

Submission #297908

# Submission time Handle Problem Language Result Execution time Memory
297908 2020-09-12T06:46:28 Z erd1 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 928 ms 26872 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
typedef int64_t lld;
typedef pair<int, int> pii;

#include<bits/extc++.h>
using namespace __gnu_pbds;
template<typename T, typename comp = greater<T>>
using OST = tree<T, null_type, comp, rb_tree_tag, tree_order_statistics_node_update>;

template<typename T1, typename T2>
ostream& operator<<(ostream& out, pair<T1, T2> p){
	return out << "(" << p.ff << ", " << p.ss << ")";
}

map<int, int> cnt;
map<pii, int> mp;

vector<int> bit;
void add(int i){
	i = bit.size()-i;
	do bit[i]++;
	while((i += i&-i) < bit.size());
}
int query(int i){
	i = bit.size()-i;
	int ans = 0;
	do ans += bit[i];
	while(i -= i&-i);
	return ans;
}

OST<int> ost;

long long count_swaps(vector<int> s) {
	lld ans = 0; int id = 0;
	for(auto i: s)if(mp[{-i, cnt[i]}])mp[{i, cnt[i]}] = mp[{-i, cnt[i]}], cnt[i]++; else mp[{i, cnt[i]++}] = ++id;
	cnt.clear(), id = 0; bit.resize(2*s.size()+4);
	for(auto i: s)id = (i > 0?mp[{-i, cnt[i]++}]*2+1:mp[{i, cnt[i]++}]*2), ans += query(id), add(id);
	return ans;
}

Compilation message

shoes.cpp: In function 'void add(int)':
shoes.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  while((i += i&-i) < bit.size());
      |        ~~~~~~~~~~~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 0 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 2 ms 416 KB Output is correct
20 Correct 16 ms 1920 KB Output is correct
21 Correct 15 ms 1920 KB Output is correct
22 Correct 187 ms 15992 KB Output is correct
23 Correct 184 ms 15992 KB Output is correct
24 Correct 192 ms 16120 KB Output is correct
25 Correct 169 ms 15992 KB Output is correct
26 Correct 206 ms 15992 KB Output is correct
27 Correct 181 ms 15992 KB Output is correct
28 Correct 172 ms 15992 KB Output is correct
29 Correct 174 ms 16020 KB Output is correct
30 Correct 173 ms 16120 KB Output is correct
31 Correct 193 ms 15992 KB Output is correct
32 Correct 173 ms 15912 KB Output is correct
33 Correct 171 ms 15996 KB Output is correct
34 Correct 170 ms 15992 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 170 ms 15992 KB Output is correct
38 Correct 179 ms 15992 KB Output is correct
39 Correct 174 ms 15992 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 760 ms 25336 KB Output is correct
6 Correct 560 ms 16760 KB Output is correct
7 Correct 764 ms 25536 KB Output is correct
8 Correct 160 ms 15992 KB Output is correct
9 Correct 754 ms 25304 KB Output is correct
10 Correct 702 ms 20652 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 1 ms 384 KB Output is correct
41 Correct 3 ms 512 KB Output is correct
42 Correct 3 ms 512 KB Output is correct
43 Correct 3 ms 512 KB Output is correct
44 Correct 3 ms 512 KB Output is correct
45 Correct 3 ms 512 KB Output is correct
46 Correct 3 ms 512 KB Output is correct
47 Correct 3 ms 512 KB Output is correct
48 Correct 2 ms 512 KB Output is correct
49 Correct 2 ms 512 KB Output is correct
50 Correct 2 ms 512 KB Output is correct
51 Correct 2 ms 512 KB Output is correct
52 Correct 3 ms 512 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 0 ms 256 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 0 ms 256 KB Output is correct
9 Correct 0 ms 256 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 0 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 0 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 0 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 0 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 0 ms 256 KB Output is correct
27 Correct 0 ms 256 KB Output is correct
28 Correct 0 ms 256 KB Output is correct
29 Correct 1 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 0 ms 256 KB Output is correct
32 Correct 0 ms 256 KB Output is correct
33 Correct 0 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 0 ms 256 KB Output is correct
36 Correct 0 ms 256 KB Output is correct
37 Correct 0 ms 256 KB Output is correct
38 Correct 1 ms 256 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 0 ms 256 KB Output is correct
41 Correct 0 ms 256 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 0 ms 256 KB Output is correct
44 Correct 0 ms 256 KB Output is correct
45 Correct 1 ms 256 KB Output is correct
46 Correct 0 ms 256 KB Output is correct
47 Correct 0 ms 256 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 0 ms 256 KB Output is correct
50 Correct 1 ms 384 KB Output is correct
51 Correct 1 ms 384 KB Output is correct
52 Correct 2 ms 512 KB Output is correct
53 Correct 2 ms 416 KB Output is correct
54 Correct 16 ms 1920 KB Output is correct
55 Correct 15 ms 1920 KB Output is correct
56 Correct 187 ms 15992 KB Output is correct
57 Correct 184 ms 15992 KB Output is correct
58 Correct 192 ms 16120 KB Output is correct
59 Correct 169 ms 15992 KB Output is correct
60 Correct 206 ms 15992 KB Output is correct
61 Correct 181 ms 15992 KB Output is correct
62 Correct 172 ms 15992 KB Output is correct
63 Correct 174 ms 16020 KB Output is correct
64 Correct 173 ms 16120 KB Output is correct
65 Correct 193 ms 15992 KB Output is correct
66 Correct 173 ms 15912 KB Output is correct
67 Correct 171 ms 15996 KB Output is correct
68 Correct 170 ms 15992 KB Output is correct
69 Correct 1 ms 384 KB Output is correct
70 Correct 0 ms 256 KB Output is correct
71 Correct 170 ms 15992 KB Output is correct
72 Correct 179 ms 15992 KB Output is correct
73 Correct 174 ms 15992 KB Output is correct
74 Correct 0 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 1 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 760 ms 25336 KB Output is correct
79 Correct 560 ms 16760 KB Output is correct
80 Correct 764 ms 25536 KB Output is correct
81 Correct 160 ms 15992 KB Output is correct
82 Correct 754 ms 25304 KB Output is correct
83 Correct 702 ms 20652 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 0 ms 384 KB Output is correct
86 Correct 1 ms 384 KB Output is correct
87 Correct 1 ms 384 KB Output is correct
88 Correct 3 ms 512 KB Output is correct
89 Correct 3 ms 512 KB Output is correct
90 Correct 3 ms 512 KB Output is correct
91 Correct 3 ms 512 KB Output is correct
92 Correct 3 ms 512 KB Output is correct
93 Correct 3 ms 512 KB Output is correct
94 Correct 3 ms 512 KB Output is correct
95 Correct 2 ms 512 KB Output is correct
96 Correct 2 ms 512 KB Output is correct
97 Correct 2 ms 512 KB Output is correct
98 Correct 2 ms 512 KB Output is correct
99 Correct 3 ms 512 KB Output is correct
100 Correct 3 ms 512 KB Output is correct
101 Correct 35 ms 2680 KB Output is correct
102 Correct 29 ms 2048 KB Output is correct
103 Correct 928 ms 25464 KB Output is correct
104 Correct 685 ms 26744 KB Output is correct
105 Correct 741 ms 22520 KB Output is correct
106 Correct 748 ms 26616 KB Output is correct
107 Correct 518 ms 18296 KB Output is correct
108 Correct 540 ms 19448 KB Output is correct
109 Correct 139 ms 17272 KB Output is correct
110 Correct 175 ms 17276 KB Output is correct
111 Correct 748 ms 25740 KB Output is correct
112 Correct 883 ms 24568 KB Output is correct
113 Correct 608 ms 18552 KB Output is correct
114 Correct 768 ms 26872 KB Output is correct
115 Correct 762 ms 26616 KB Output is correct