oj.uz

Submission #203834

# Submission time Handle Problem Language Result Execution time Memory
203834 2020-02-22T12:45:17 Z super_j6 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 116 ms 20600 KB 
#include "shoes.h"
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <string.h>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

const int maxn = 200001;

struct BIT{
	int bit[maxn];
	
	void add(int x, int v){
		for(x++; x < maxn; x += x & -x) bit[x] += v;
	}
	
	int qry(int x){
		int ret = 0;
		for(x++; x; x -= x & -x) ret += bit[x];
		return ret;
	}
};

int n;
int a[maxn];
bool used[maxn];
vector<int> p[2][maxn];
BIT bit;

long long count_swaps(vector<int> s){
	n = s.size();
	
	for(int i = n - 1; i >= 0; i--){
		a[i] = s[i];
		p[a[i] > 0][abs(a[i])].push_back(i);
	}
	
	long long ret = 0;
	for(int i = 0; i < n; i++){
		if(used[i]){
			bit.add(i, -1);
		}else{
			int x = a[i] > 0, y = abs(a[i]);
			int it = p[!x][y].back();
			
			bit.add(it, 1);
			ret += it - i - bit.qry(it) + x;
			
			used[i] = 1;
			used[it] = 1;
			p[x][y].pop_back();
			p[!x][y].pop_back();
		}
	}
	
	return ret;
}

/*
int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	int n;
	cin >> n;
	
	vector<int> a(n);
	for(int i = 0; i < n; i++) cin >> a[i];
	
	cout << count_swaps(a) << endl;

	return 0;
}
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 13 ms 9720 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct
11 Correct 11 ms 9592 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 12 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 11 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 11 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 13 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 11 ms 9724 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 11 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 11 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 16 ms 10360 KB Output is correct
21 Correct 16 ms 10364 KB Output is correct
22 Correct 52 ms 15360 KB Output is correct
23 Correct 50 ms 15340 KB Output is correct
24 Correct 52 ms 15248 KB Output is correct
25 Correct 48 ms 14704 KB Output is correct
26 Correct 55 ms 15344 KB Output is correct
27 Correct 51 ms 15212 KB Output is correct
28 Correct 49 ms 14832 KB Output is correct
29 Correct 48 ms 14832 KB Output is correct
30 Correct 49 ms 14900 KB Output is correct
31 Correct 55 ms 15236 KB Output is correct
32 Correct 48 ms 14832 KB Output is correct
33 Correct 50 ms 14704 KB Output is correct
34 Correct 50 ms 14832 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 50 ms 14836 KB Output is correct
38 Correct 48 ms 14960 KB Output is correct
39 Correct 51 ms 14832 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 82 ms 20344 KB Output is correct
6 Correct 71 ms 15352 KB Output is correct
7 Correct 81 ms 20216 KB Output is correct
8 Correct 51 ms 14772 KB Output is correct
9 Correct 85 ms 20216 KB Output is correct
10 Correct 91 ms 17144 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 13 ms 9720 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct
11 Correct 11 ms 9592 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 12 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 11 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 11 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 13 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 11 ms 9724 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 11 ms 9720 KB Output is correct
38 Correct 11 ms 9720 KB Output is correct
39 Correct 11 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 11 ms 9848 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 11 ms 9848 KB Output is correct
44 Correct 12 ms 9848 KB Output is correct
45 Correct 11 ms 9848 KB Output is correct
46 Correct 14 ms 9848 KB Output is correct
47 Correct 11 ms 9848 KB Output is correct
48 Correct 13 ms 9848 KB Output is correct
49 Correct 12 ms 9848 KB Output is correct
50 Correct 11 ms 9724 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 11 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 13 ms 9720 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct
11 Correct 11 ms 9592 KB Output is correct
12 Correct 11 ms 9724 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 12 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9720 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 11 ms 9720 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 11 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 13 ms 9720 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 11 ms 9720 KB Output is correct
29 Correct 11 ms 9724 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 11 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 11 ms 9720 KB Output is correct
38 Correct 11 ms 9720 KB Output is correct
39 Correct 11 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 11 ms 9720 KB Output is correct
42 Correct 11 ms 9720 KB Output is correct
43 Correct 11 ms 9720 KB Output is correct
44 Correct 11 ms 9720 KB Output is correct
45 Correct 11 ms 9720 KB Output is correct
46 Correct 11 ms 9720 KB Output is correct
47 Correct 11 ms 9720 KB Output is correct
48 Correct 11 ms 9720 KB Output is correct
49 Correct 11 ms 9720 KB Output is correct
50 Correct 11 ms 9720 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 16 ms 10360 KB Output is correct
55 Correct 16 ms 10364 KB Output is correct
56 Correct 52 ms 15360 KB Output is correct
57 Correct 50 ms 15340 KB Output is correct
58 Correct 52 ms 15248 KB Output is correct
59 Correct 48 ms 14704 KB Output is correct
60 Correct 55 ms 15344 KB Output is correct
61 Correct 51 ms 15212 KB Output is correct
62 Correct 49 ms 14832 KB Output is correct
63 Correct 48 ms 14832 KB Output is correct
64 Correct 49 ms 14900 KB Output is correct
65 Correct 55 ms 15236 KB Output is correct
66 Correct 48 ms 14832 KB Output is correct
67 Correct 50 ms 14704 KB Output is correct
68 Correct 50 ms 14832 KB Output is correct
69 Correct 11 ms 9720 KB Output is correct
70 Correct 11 ms 9720 KB Output is correct
71 Correct 50 ms 14836 KB Output is correct
72 Correct 48 ms 14960 KB Output is correct
73 Correct 51 ms 14832 KB Output is correct
74 Correct 11 ms 9720 KB Output is correct
75 Correct 12 ms 9720 KB Output is correct
76 Correct 11 ms 9720 KB Output is correct
77 Correct 11 ms 9720 KB Output is correct
78 Correct 82 ms 20344 KB Output is correct
79 Correct 71 ms 15352 KB Output is correct
80 Correct 81 ms 20216 KB Output is correct
81 Correct 51 ms 14772 KB Output is correct
82 Correct 85 ms 20216 KB Output is correct
83 Correct 91 ms 17144 KB Output is correct
84 Correct 11 ms 9720 KB Output is correct
85 Correct 11 ms 9720 KB Output is correct
86 Correct 11 ms 9720 KB Output is correct
87 Correct 11 ms 9720 KB Output is correct
88 Correct 11 ms 9848 KB Output is correct
89 Correct 11 ms 9848 KB Output is correct
90 Correct 11 ms 9848 KB Output is correct
91 Correct 12 ms 9848 KB Output is correct
92 Correct 11 ms 9848 KB Output is correct
93 Correct 14 ms 9848 KB Output is correct
94 Correct 11 ms 9848 KB Output is correct
95 Correct 13 ms 9848 KB Output is correct
96 Correct 12 ms 9848 KB Output is correct
97 Correct 11 ms 9724 KB Output is correct
98 Correct 11 ms 9720 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 11 ms 9848 KB Output is correct
101 Correct 18 ms 10744 KB Output is correct
102 Correct 16 ms 10360 KB Output is correct
103 Correct 116 ms 20600 KB Output is correct
104 Correct 102 ms 20600 KB Output is correct
105 Correct 105 ms 17928 KB Output is correct
106 Correct 82 ms 20216 KB Output is correct
107 Correct 76 ms 15864 KB Output is correct
108 Correct 84 ms 16248 KB Output is correct
109 Correct 51 ms 14896 KB Output is correct
110 Correct 49 ms 14832 KB Output is correct
111 Correct 82 ms 19448 KB Output is correct
112 Correct 104 ms 19192 KB Output is correct
113 Correct 81 ms 15480 KB Output is correct
114 Correct 83 ms 20216 KB Output is correct
115 Correct 80 ms 20216 KB Output is correct