oj.uz

Submission #955153

# Submission time Handle Problem Language Result Execution time Memory
955153 2024-03-29T13:35:09 Z Acanikolic Arranging Shoes (IOI19_shoes) C++14
100 / 100
 88 ms 33880 KB 
#include <bits/stdc++.h>
		 				 
#define pb push_back 
		
#define F first
		 
#define S second
		 
using namespace std;
		 
const int N = 2e5 + 10;
		 
const int mod = 1e9 + 7; 
 
const int inf = 1e9;
 
long long fenw[N];
vector<int>p(N);
set<int>g[N][2];//0 neg 1 pos
 
void add(int index,int n,int val) {
	while(index <= n) {
		fenw[index] += val;
		index += index & -index;
	}
}
 
long long get(int index) {
	long long ret = 0;
	while(index >= 1) {
		ret += fenw[index];
		index -= index & -index;
	}
	return ret;
}
 
long long count_swaps(vector<int>a) {
	int n = a.size();
	for(int i = 0; i < n; i++) {
		if(a[i] > 0) g[a[i]][1].insert(i + 1);
		else g[-a[i]][0].insert(i + 1);
	}
	int index = 1;
	for(int i = 0; i < n; i++) {
		if(a[i] < 0) {
			if(g[-a[i]][0].find(i + 1) == g[-a[i]][0].end()) continue;
			p[i + 1] = index++;
			g[-a[i]][0].erase(i + 1);
			p[*g[-a[i]][1].begin()] = index++;
			g[-a[i]][1].erase(g[-a[i]][1].begin());
		}else {
			if(g[a[i]][1].find(i + 1) == g[a[i]][1].end()) continue;
			p[*g[a[i]][0].begin()] = index++;
			g[a[i]][0].erase(g[a[i]][0].begin());
			p[i + 1] = index++;
			g[a[i]][1].erase(i + 1);
		}
	}
	long long res = 0;
	for(int i = 1; i <= n; i++) {
		res += get(n) - get(p[i]);
		add(p[i],n,1);
	}
	return res;
}
 		 	 		 
/*signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
	
	int n;
	cin >> n;
	vector<int>a(n);
	for(int i = 0; i < n; i++) cin >> a[i];
	cout << count_swaps(a);
    return 0; 
}*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 19804 KB Output is correct
2 Correct 5 ms 19804 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 19804 KB Output is correct
2 Correct 5 ms 19804 KB Output is correct
3 Correct 4 ms 19804 KB Output is correct
4 Correct 4 ms 19876 KB Output is correct
5 Correct 4 ms 19804 KB Output is correct
6 Correct 4 ms 19852 KB Output is correct
7 Correct 4 ms 19804 KB Output is correct
8 Correct 5 ms 19864 KB Output is correct
9 Correct 4 ms 19800 KB Output is correct
10 Correct 4 ms 19804 KB Output is correct
11 Correct 4 ms 19804 KB Output is correct
12 Correct 5 ms 19800 KB Output is correct
13 Correct 4 ms 19960 KB Output is correct
14 Correct 5 ms 19804 KB Output is correct
15 Correct 4 ms 19804 KB Output is correct
16 Correct 4 ms 19804 KB Output is correct
17 Correct 4 ms 19804 KB Output is correct
18 Correct 5 ms 19800 KB Output is correct
19 Correct 5 ms 19804 KB Output is correct
20 Correct 4 ms 19804 KB Output is correct
21 Correct 4 ms 19804 KB Output is correct
22 Correct 4 ms 19804 KB Output is correct
23 Correct 5 ms 19804 KB Output is correct
24 Correct 6 ms 19956 KB Output is correct
25 Correct 4 ms 19804 KB Output is correct
26 Correct 5 ms 19804 KB Output is correct
27 Correct 4 ms 19804 KB Output is correct
28 Correct 4 ms 19804 KB Output is correct
29 Correct 5 ms 19804 KB Output is correct
30 Correct 4 ms 19804 KB Output is correct
31 Correct 4 ms 19804 KB Output is correct
32 Correct 5 ms 20060 KB Output is correct
33 Correct 5 ms 19804 KB Output is correct
34 Correct 4 ms 19804 KB Output is correct
35 Correct 5 ms 19804 KB Output is correct
36 Correct 4 ms 19804 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 19804 KB Output is correct
2 Correct 5 ms 19804 KB Output is correct
3 Correct 5 ms 19804 KB Output is correct
4 Correct 5 ms 20004 KB Output is correct
5 Correct 4 ms 20056 KB Output is correct
6 Correct 5 ms 19804 KB Output is correct
7 Correct 4 ms 19804 KB Output is correct
8 Correct 5 ms 19800 KB Output is correct
9 Correct 4 ms 19804 KB Output is correct
10 Correct 5 ms 20060 KB Output is correct
11 Correct 5 ms 19804 KB Output is correct
12 Correct 4 ms 19800 KB Output is correct
13 Correct 4 ms 19804 KB Output is correct
14 Correct 4 ms 19804 KB Output is correct
15 Correct 4 ms 20056 KB Output is correct
16 Correct 5 ms 19804 KB Output is correct
17 Correct 5 ms 19960 KB Output is correct
18 Correct 5 ms 20060 KB Output is correct
19 Correct 5 ms 20060 KB Output is correct
20 Correct 9 ms 21084 KB Output is correct
21 Correct 10 ms 21084 KB Output is correct
22 Correct 65 ms 32384 KB Output is correct
23 Correct 68 ms 32340 KB Output is correct
24 Correct 62 ms 32340 KB Output is correct
25 Correct 64 ms 32500 KB Output is correct
26 Correct 61 ms 32504 KB Output is correct
27 Correct 72 ms 32336 KB Output is correct
28 Correct 64 ms 32528 KB Output is correct
29 Correct 67 ms 32408 KB Output is correct
30 Correct 67 ms 32312 KB Output is correct
31 Correct 62 ms 32468 KB Output is correct
32 Correct 64 ms 32340 KB Output is correct
33 Correct 64 ms 32336 KB Output is correct
34 Correct 65 ms 32340 KB Output is correct
35 Correct 4 ms 19800 KB Output is correct
36 Correct 5 ms 19804 KB Output is correct
37 Correct 63 ms 32512 KB Output is correct
38 Correct 63 ms 32332 KB Output is correct
39 Correct 63 ms 32340 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 19800 KB Output is correct
2 Correct 4 ms 19804 KB Output is correct
3 Correct 4 ms 19804 KB Output is correct
4 Correct 5 ms 20120 KB Output is correct
5 Correct 58 ms 32416 KB Output is correct
6 Correct 68 ms 32340 KB Output is correct
7 Correct 54 ms 32516 KB Output is correct
8 Correct 59 ms 32336 KB Output is correct
9 Correct 60 ms 32336 KB Output is correct
10 Correct 65 ms 32324 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 19804 KB Output is correct
2 Correct 5 ms 19804 KB Output is correct
3 Correct 4 ms 19804 KB Output is correct
4 Correct 4 ms 19876 KB Output is correct
5 Correct 4 ms 19804 KB Output is correct
6 Correct 4 ms 19852 KB Output is correct
7 Correct 4 ms 19804 KB Output is correct
8 Correct 5 ms 19864 KB Output is correct
9 Correct 4 ms 19800 KB Output is correct
10 Correct 4 ms 19804 KB Output is correct
11 Correct 4 ms 19804 KB Output is correct
12 Correct 5 ms 19800 KB Output is correct
13 Correct 4 ms 19960 KB Output is correct
14 Correct 5 ms 19804 KB Output is correct
15 Correct 4 ms 19804 KB Output is correct
16 Correct 4 ms 19804 KB Output is correct
17 Correct 4 ms 19804 KB Output is correct
18 Correct 5 ms 19800 KB Output is correct
19 Correct 5 ms 19804 KB Output is correct
20 Correct 4 ms 19804 KB Output is correct
21 Correct 4 ms 19804 KB Output is correct
22 Correct 4 ms 19804 KB Output is correct
23 Correct 5 ms 19804 KB Output is correct
24 Correct 6 ms 19956 KB Output is correct
25 Correct 4 ms 19804 KB Output is correct
26 Correct 5 ms 19804 KB Output is correct
27 Correct 4 ms 19804 KB Output is correct
28 Correct 4 ms 19804 KB Output is correct
29 Correct 5 ms 19804 KB Output is correct
30 Correct 4 ms 19804 KB Output is correct
31 Correct 4 ms 19804 KB Output is correct
32 Correct 5 ms 20060 KB Output is correct
33 Correct 5 ms 19804 KB Output is correct
34 Correct 4 ms 19804 KB Output is correct
35 Correct 5 ms 19804 KB Output is correct
36 Correct 4 ms 19804 KB Output is correct
37 Correct 5 ms 19804 KB Output is correct
38 Correct 4 ms 19804 KB Output is correct
39 Correct 4 ms 19804 KB Output is correct
40 Correct 5 ms 20060 KB Output is correct
41 Correct 5 ms 20056 KB Output is correct
42 Correct 5 ms 20060 KB Output is correct
43 Correct 5 ms 20060 KB Output is correct
44 Correct 5 ms 20060 KB Output is correct
45 Correct 5 ms 20060 KB Output is correct
46 Correct 5 ms 20060 KB Output is correct
47 Correct 5 ms 20060 KB Output is correct
48 Correct 5 ms 20060 KB Output is correct
49 Correct 5 ms 20056 KB Output is correct
50 Correct 5 ms 20060 KB Output is correct
51 Correct 5 ms 20056 KB Output is correct
52 Correct 5 ms 20060 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 19804 KB Output is correct
2 Correct 5 ms 19804 KB Output is correct
3 Correct 4 ms 19804 KB Output is correct
4 Correct 4 ms 19876 KB Output is correct
5 Correct 4 ms 19804 KB Output is correct
6 Correct 4 ms 19852 KB Output is correct
7 Correct 4 ms 19804 KB Output is correct
8 Correct 5 ms 19864 KB Output is correct
9 Correct 4 ms 19800 KB Output is correct
10 Correct 4 ms 19804 KB Output is correct
11 Correct 4 ms 19804 KB Output is correct
12 Correct 5 ms 19800 KB Output is correct
13 Correct 4 ms 19960 KB Output is correct
14 Correct 5 ms 19804 KB Output is correct
15 Correct 4 ms 19804 KB Output is correct
16 Correct 4 ms 19804 KB Output is correct
17 Correct 4 ms 19804 KB Output is correct
18 Correct 5 ms 19800 KB Output is correct
19 Correct 5 ms 19804 KB Output is correct
20 Correct 4 ms 19804 KB Output is correct
21 Correct 4 ms 19804 KB Output is correct
22 Correct 4 ms 19804 KB Output is correct
23 Correct 5 ms 19804 KB Output is correct
24 Correct 6 ms 19956 KB Output is correct
25 Correct 4 ms 19804 KB Output is correct
26 Correct 5 ms 19804 KB Output is correct
27 Correct 4 ms 19804 KB Output is correct
28 Correct 4 ms 19804 KB Output is correct
29 Correct 5 ms 19804 KB Output is correct
30 Correct 4 ms 19804 KB Output is correct
31 Correct 4 ms 19804 KB Output is correct
32 Correct 5 ms 20060 KB Output is correct
33 Correct 5 ms 19804 KB Output is correct
34 Correct 4 ms 19804 KB Output is correct
35 Correct 5 ms 19804 KB Output is correct
36 Correct 4 ms 19804 KB Output is correct
37 Correct 5 ms 19804 KB Output is correct
38 Correct 5 ms 20004 KB Output is correct
39 Correct 4 ms 20056 KB Output is correct
40 Correct 5 ms 19804 KB Output is correct
41 Correct 4 ms 19804 KB Output is correct
42 Correct 5 ms 19800 KB Output is correct
43 Correct 4 ms 19804 KB Output is correct
44 Correct 5 ms 20060 KB Output is correct
45 Correct 5 ms 19804 KB Output is correct
46 Correct 4 ms 19800 KB Output is correct
47 Correct 4 ms 19804 KB Output is correct
48 Correct 4 ms 19804 KB Output is correct
49 Correct 4 ms 20056 KB Output is correct
50 Correct 5 ms 19804 KB Output is correct
51 Correct 5 ms 19960 KB Output is correct
52 Correct 5 ms 20060 KB Output is correct
53 Correct 5 ms 20060 KB Output is correct
54 Correct 9 ms 21084 KB Output is correct
55 Correct 10 ms 21084 KB Output is correct
56 Correct 65 ms 32384 KB Output is correct
57 Correct 68 ms 32340 KB Output is correct
58 Correct 62 ms 32340 KB Output is correct
59 Correct 64 ms 32500 KB Output is correct
60 Correct 61 ms 32504 KB Output is correct
61 Correct 72 ms 32336 KB Output is correct
62 Correct 64 ms 32528 KB Output is correct
63 Correct 67 ms 32408 KB Output is correct
64 Correct 67 ms 32312 KB Output is correct
65 Correct 62 ms 32468 KB Output is correct
66 Correct 64 ms 32340 KB Output is correct
67 Correct 64 ms 32336 KB Output is correct
68 Correct 65 ms 32340 KB Output is correct
69 Correct 4 ms 19800 KB Output is correct
70 Correct 5 ms 19804 KB Output is correct
71 Correct 63 ms 32512 KB Output is correct
72 Correct 63 ms 32332 KB Output is correct
73 Correct 63 ms 32340 KB Output is correct
74 Correct 4 ms 19800 KB Output is correct
75 Correct 4 ms 19804 KB Output is correct
76 Correct 4 ms 19804 KB Output is correct
77 Correct 5 ms 20120 KB Output is correct
78 Correct 58 ms 32416 KB Output is correct
79 Correct 68 ms 32340 KB Output is correct
80 Correct 54 ms 32516 KB Output is correct
81 Correct 59 ms 32336 KB Output is correct
82 Correct 60 ms 32336 KB Output is correct
83 Correct 65 ms 32324 KB Output is correct
84 Correct 5 ms 19804 KB Output is correct
85 Correct 4 ms 19804 KB Output is correct
86 Correct 4 ms 19804 KB Output is correct
87 Correct 5 ms 20060 KB Output is correct
88 Correct 5 ms 20056 KB Output is correct
89 Correct 5 ms 20060 KB Output is correct
90 Correct 5 ms 20060 KB Output is correct
91 Correct 5 ms 20060 KB Output is correct
92 Correct 5 ms 20060 KB Output is correct
93 Correct 5 ms 20060 KB Output is correct
94 Correct 5 ms 20060 KB Output is correct
95 Correct 5 ms 20060 KB Output is correct
96 Correct 5 ms 20056 KB Output is correct
97 Correct 5 ms 20060 KB Output is correct
98 Correct 5 ms 20056 KB Output is correct
99 Correct 5 ms 20060 KB Output is correct
100 Correct 5 ms 20060 KB Output is correct
101 Correct 13 ms 21228 KB Output is correct
102 Correct 10 ms 21340 KB Output is correct
103 Correct 87 ms 33880 KB Output is correct
104 Correct 56 ms 33620 KB Output is correct
105 Correct 68 ms 33620 KB Output is correct
106 Correct 57 ms 33616 KB Output is correct
107 Correct 88 ms 33752 KB Output is correct
108 Correct 60 ms 33620 KB Output is correct
109 Correct 60 ms 33620 KB Output is correct
110 Correct 65 ms 33620 KB Output is correct
111 Correct 61 ms 33752 KB Output is correct
112 Correct 71 ms 33564 KB Output is correct
113 Correct 73 ms 33748 KB Output is correct
114 Correct 58 ms 33616 KB Output is correct
115 Correct 57 ms 33620 KB Output is correct