oj.uz

Submission #378485

# Submission time Handle Problem Language Result Execution time Memory
378485 2021-03-16T23:59:00 Z autumn_eel Arranging Shoes (IOI19_shoes) C++14
100 / 100
 700 ms 41836 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<int(n);i++)
using namespace std;
typedef long long ll;

struct BIT{
	vector<int>bit;
	BIT(int n){
		bit=vector<int>(n+10);
	}
	void add(int k,int x){
		k++;
		while(k<(int)bit.size()){
			bit[k]+=x;
			k+=k&-k;
		}
	}
	int sum(int k){
		k++;
		int res=0;
		while(k){
			res+=bit[k];
			k-=k&-k;
		}
		return res;
	}
};

long long count_swaps(std::vector<int> s) {
	BIT bit(s.size());
	map<int,set<int>>mp;
	set<int>se;
	rep(i,s.size()){
		se.insert(i);
		mp[s[i]].insert(i);
		bit.add(i,1);
	}
	ll ans=0;
	while(!se.empty()){
		int x=*se.begin();se.erase(se.begin());
		mp[s[x]].erase(mp[s[x]].begin());
		int y=*mp[-s[x]].begin();mp[-s[x]].erase(mp[-s[x]].begin());
		se.erase(y);
		bit.add(x,-1);
		bit.add(y,-1);
		int cnt=bit.sum(y);
		if(s[x]>0)cnt++;
		ans+=cnt;
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 364 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 2 ms 492 KB Output is correct
19 Correct 2 ms 492 KB Output is correct
20 Correct 13 ms 2412 KB Output is correct
21 Correct 13 ms 2412 KB Output is correct
22 Correct 143 ms 21612 KB Output is correct
23 Correct 142 ms 21484 KB Output is correct
24 Correct 138 ms 21484 KB Output is correct
25 Correct 142 ms 21504 KB Output is correct
26 Correct 145 ms 22796 KB Output is correct
27 Correct 144 ms 22508 KB Output is correct
28 Correct 144 ms 22708 KB Output is correct
29 Correct 144 ms 22764 KB Output is correct
30 Correct 144 ms 22748 KB Output is correct
31 Correct 147 ms 22792 KB Output is correct
32 Correct 142 ms 22764 KB Output is correct
33 Correct 143 ms 22560 KB Output is correct
34 Correct 142 ms 22764 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 145 ms 22764 KB Output is correct
38 Correct 148 ms 22892 KB Output is correct
39 Correct 145 ms 22764 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 531 ms 40172 KB Output is correct
6 Correct 335 ms 24428 KB Output is correct
7 Correct 515 ms 41452 KB Output is correct
8 Correct 140 ms 22764 KB Output is correct
9 Correct 524 ms 41480 KB Output is correct
10 Correct 418 ms 32236 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 364 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 3 ms 748 KB Output is correct
42 Correct 3 ms 748 KB Output is correct
43 Correct 2 ms 620 KB Output is correct
44 Correct 2 ms 620 KB Output is correct
45 Correct 2 ms 620 KB Output is correct
46 Correct 2 ms 620 KB Output is correct
47 Correct 2 ms 620 KB Output is correct
48 Correct 2 ms 620 KB Output is correct
49 Correct 2 ms 620 KB Output is correct
50 Correct 2 ms 492 KB Output is correct
51 Correct 2 ms 492 KB Output is correct
52 Correct 2 ms 748 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 0 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 0 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 0 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 0 ms 364 KB Output is correct
39 Correct 0 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 0 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 0 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 0 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 2 ms 492 KB Output is correct
53 Correct 2 ms 492 KB Output is correct
54 Correct 13 ms 2412 KB Output is correct
55 Correct 13 ms 2412 KB Output is correct
56 Correct 143 ms 21612 KB Output is correct
57 Correct 142 ms 21484 KB Output is correct
58 Correct 138 ms 21484 KB Output is correct
59 Correct 142 ms 21504 KB Output is correct
60 Correct 145 ms 22796 KB Output is correct
61 Correct 144 ms 22508 KB Output is correct
62 Correct 144 ms 22708 KB Output is correct
63 Correct 144 ms 22764 KB Output is correct
64 Correct 144 ms 22748 KB Output is correct
65 Correct 147 ms 22792 KB Output is correct
66 Correct 142 ms 22764 KB Output is correct
67 Correct 143 ms 22560 KB Output is correct
68 Correct 142 ms 22764 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 145 ms 22764 KB Output is correct
72 Correct 148 ms 22892 KB Output is correct
73 Correct 145 ms 22764 KB Output is correct
74 Correct 0 ms 364 KB Output is correct
75 Correct 1 ms 364 KB Output is correct
76 Correct 1 ms 364 KB Output is correct
77 Correct 1 ms 364 KB Output is correct
78 Correct 531 ms 40172 KB Output is correct
79 Correct 335 ms 24428 KB Output is correct
80 Correct 515 ms 41452 KB Output is correct
81 Correct 140 ms 22764 KB Output is correct
82 Correct 524 ms 41480 KB Output is correct
83 Correct 418 ms 32236 KB Output is correct
84 Correct 1 ms 364 KB Output is correct
85 Correct 1 ms 364 KB Output is correct
86 Correct 1 ms 364 KB Output is correct
87 Correct 2 ms 364 KB Output is correct
88 Correct 3 ms 748 KB Output is correct
89 Correct 3 ms 748 KB Output is correct
90 Correct 2 ms 620 KB Output is correct
91 Correct 2 ms 620 KB Output is correct
92 Correct 2 ms 620 KB Output is correct
93 Correct 2 ms 620 KB Output is correct
94 Correct 2 ms 620 KB Output is correct
95 Correct 2 ms 620 KB Output is correct
96 Correct 2 ms 620 KB Output is correct
97 Correct 2 ms 492 KB Output is correct
98 Correct 2 ms 492 KB Output is correct
99 Correct 2 ms 748 KB Output is correct
100 Correct 3 ms 748 KB Output is correct
101 Correct 34 ms 4204 KB Output is correct
102 Correct 25 ms 2924 KB Output is correct
103 Correct 700 ms 41708 KB Output is correct
104 Correct 504 ms 41836 KB Output is correct
105 Correct 497 ms 33388 KB Output is correct
106 Correct 521 ms 41452 KB Output is correct
107 Correct 396 ms 24864 KB Output is correct
108 Correct 360 ms 26860 KB Output is correct
109 Correct 142 ms 22840 KB Output is correct
110 Correct 143 ms 22784 KB Output is correct
111 Correct 479 ms 39404 KB Output is correct
112 Correct 568 ms 37356 KB Output is correct
113 Correct 421 ms 25140 KB Output is correct
114 Correct 520 ms 41580 KB Output is correct
115 Correct 517 ms 41596 KB Output is correct