oj.uz

Submission #583889

# Submission time Handle Problem Language Result Execution time Memory
583889 2022-06-26T12:32:27 Z 8e7 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 81 ms 19568 KB 
//Challenge: Accepted
#include <bits/stdc++.h>
#include "shoes.h"
#pragma GCC optimize("Ofast")
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 200005
#define mod 1000000007
#define pii pair<int, int>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
struct BIT{
	int bit[maxn];
	void modify(int ind, int val) {
		ind++;
		for (;ind < maxn;ind += ind & (-ind)) bit[ind] += val;
	}
	int query(int ind) {
		ind++;
		int ret = 0;
		for (;ind > 0;ind -= ind & (-ind)) ret += bit[ind];
		return ret;
	}
}bit;
vector<int> lef[maxn], rig[maxn];
long long count_swaps(std::vector<int> s) {
	int n = s.size();	
	vector<bool> p(n, 1);
	for (int i = 0;i < n;i++) bit.modify(i, 1);	
	for (int i = 0;i < n;i++) {
		if (s[i] < 0) lef[-s[i]].push_back(i);
		else rig[s[i]].push_back(i);
	}
	for (int i = 1;i <= n;i++) {
		reverse(lef[i].begin(), lef[i].end());
		reverse(rig[i].begin(), rig[i].end());
	}
	ll ret = 0;
	for (int i = 0;i < n;i++) {
		if (!p[i]) continue;
		if (s[i] < 0) {
			int x = rig[-s[i]].back();
			lef[-s[i]].pop_back();
			rig[-s[i]].pop_back();
			bit.modify(i, -1);		
			bit.modify(x, -1);		
			p[i] = p[x] = 0;
			ret += bit.query(x);
		} else {
			int x = lef[s[i]].back();
			lef[s[i]].pop_back();
			rig[s[i]].pop_back();
			bit.modify(i, -1);		
			bit.modify(x, -1);		
			p[i] = p[x] = 0;
			ret += bit.query(x) + 1;
		}
	}
	return ret;
}
/*

*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 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 6 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9616 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9732 KB Output is correct
8 Correct 6 ms 9696 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 7 ms 9684 KB Output is correct
11 Correct 7 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9652 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9700 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9704 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 6 ms 9692 KB Output is correct
26 Correct 7 ms 9684 KB Output is correct
27 Correct 6 ms 9612 KB Output is correct
28 Correct 7 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 6 ms 9704 KB Output is correct
33 Correct 5 ms 9812 KB Output is correct
34 Correct 6 ms 9684 KB Output is correct
35 Correct 5 ms 9696 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 6 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 7 ms 9696 KB Output is correct
7 Correct 6 ms 9684 KB Output is correct
8 Correct 7 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 6 ms 9728 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9700 KB Output is correct
16 Correct 6 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 6 ms 9684 KB Output is correct
20 Correct 9 ms 10196 KB Output is correct
21 Correct 11 ms 10220 KB Output is correct
22 Correct 46 ms 14224 KB Output is correct
23 Correct 35 ms 14260 KB Output is correct
24 Correct 37 ms 14240 KB Output is correct
25 Correct 34 ms 14300 KB Output is correct
26 Correct 36 ms 14228 KB Output is correct
27 Correct 33 ms 13952 KB Output is correct
28 Correct 34 ms 14440 KB Output is correct
29 Correct 42 ms 14436 KB Output is correct
30 Correct 44 ms 14432 KB Output is correct
31 Correct 39 ms 14472 KB Output is correct
32 Correct 33 ms 14424 KB Output is correct
33 Correct 31 ms 14284 KB Output is correct
34 Correct 33 ms 14428 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 6 ms 9704 KB Output is correct
37 Correct 47 ms 14404 KB Output is correct
38 Correct 34 ms 14420 KB Output is correct
39 Correct 33 ms 14540 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 5 ms 9704 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 56 ms 19560 KB Output is correct
6 Correct 56 ms 14672 KB Output is correct
7 Correct 56 ms 19440 KB Output is correct
8 Correct 33 ms 14348 KB Output is correct
9 Correct 58 ms 19532 KB Output is correct
10 Correct 54 ms 16488 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9616 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9732 KB Output is correct
8 Correct 6 ms 9696 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 7 ms 9684 KB Output is correct
11 Correct 7 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9652 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9700 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9704 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 6 ms 9692 KB Output is correct
26 Correct 7 ms 9684 KB Output is correct
27 Correct 6 ms 9612 KB Output is correct
28 Correct 7 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 6 ms 9704 KB Output is correct
33 Correct 5 ms 9812 KB Output is correct
34 Correct 6 ms 9684 KB Output is correct
35 Correct 5 ms 9696 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 5 ms 9704 KB Output is correct
39 Correct 5 ms 9696 KB Output is correct
40 Correct 5 ms 9700 KB Output is correct
41 Correct 6 ms 9708 KB Output is correct
42 Correct 6 ms 9812 KB Output is correct
43 Correct 7 ms 9708 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 6 ms 9712 KB Output is correct
46 Correct 6 ms 9684 KB Output is correct
47 Correct 6 ms 9704 KB Output is correct
48 Correct 6 ms 9684 KB Output is correct
49 Correct 5 ms 9708 KB Output is correct
50 Correct 5 ms 9692 KB Output is correct
51 Correct 6 ms 9708 KB Output is correct
52 Correct 5 ms 9808 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9616 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9676 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 7 ms 9732 KB Output is correct
8 Correct 6 ms 9696 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 7 ms 9684 KB Output is correct
11 Correct 7 ms 9684 KB Output is correct
12 Correct 7 ms 9684 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9652 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 6 ms 9728 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9700 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 6 ms 9704 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 6 ms 9692 KB Output is correct
26 Correct 7 ms 9684 KB Output is correct
27 Correct 6 ms 9612 KB Output is correct
28 Correct 7 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 6 ms 9704 KB Output is correct
33 Correct 5 ms 9812 KB Output is correct
34 Correct 6 ms 9684 KB Output is correct
35 Correct 5 ms 9696 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 6 ms 9684 KB Output is correct
38 Correct 6 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 7 ms 9696 KB Output is correct
41 Correct 6 ms 9684 KB Output is correct
42 Correct 7 ms 9684 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 5 ms 9684 KB Output is correct
45 Correct 6 ms 9728 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 ms 9684 KB Output is correct
49 Correct 5 ms 9700 KB Output is correct
50 Correct 6 ms 9684 KB Output is correct
51 Correct 5 ms 9684 KB Output is correct
52 Correct 6 ms 9684 KB Output is correct
53 Correct 6 ms 9684 KB Output is correct
54 Correct 9 ms 10196 KB Output is correct
55 Correct 11 ms 10220 KB Output is correct
56 Correct 46 ms 14224 KB Output is correct
57 Correct 35 ms 14260 KB Output is correct
58 Correct 37 ms 14240 KB Output is correct
59 Correct 34 ms 14300 KB Output is correct
60 Correct 36 ms 14228 KB Output is correct
61 Correct 33 ms 13952 KB Output is correct
62 Correct 34 ms 14440 KB Output is correct
63 Correct 42 ms 14436 KB Output is correct
64 Correct 44 ms 14432 KB Output is correct
65 Correct 39 ms 14472 KB Output is correct
66 Correct 33 ms 14424 KB Output is correct
67 Correct 31 ms 14284 KB Output is correct
68 Correct 33 ms 14428 KB Output is correct
69 Correct 5 ms 9684 KB Output is correct
70 Correct 6 ms 9704 KB Output is correct
71 Correct 47 ms 14404 KB Output is correct
72 Correct 34 ms 14420 KB Output is correct
73 Correct 33 ms 14540 KB Output is correct
74 Correct 6 ms 9684 KB Output is correct
75 Correct 5 ms 9704 KB Output is correct
76 Correct 5 ms 9684 KB Output is correct
77 Correct 6 ms 9684 KB Output is correct
78 Correct 56 ms 19560 KB Output is correct
79 Correct 56 ms 14672 KB Output is correct
80 Correct 56 ms 19440 KB Output is correct
81 Correct 33 ms 14348 KB Output is correct
82 Correct 58 ms 19532 KB Output is correct
83 Correct 54 ms 16488 KB Output is correct
84 Correct 5 ms 9684 KB Output is correct
85 Correct 5 ms 9704 KB Output is correct
86 Correct 5 ms 9696 KB Output is correct
87 Correct 5 ms 9700 KB Output is correct
88 Correct 6 ms 9708 KB Output is correct
89 Correct 6 ms 9812 KB Output is correct
90 Correct 7 ms 9708 KB Output is correct
91 Correct 6 ms 9684 KB Output is correct
92 Correct 6 ms 9712 KB Output is correct
93 Correct 6 ms 9684 KB Output is correct
94 Correct 6 ms 9704 KB Output is correct
95 Correct 6 ms 9684 KB Output is correct
96 Correct 5 ms 9708 KB Output is correct
97 Correct 5 ms 9692 KB Output is correct
98 Correct 6 ms 9708 KB Output is correct
99 Correct 5 ms 9808 KB Output is correct
100 Correct 5 ms 9812 KB Output is correct
101 Correct 11 ms 10616 KB Output is correct
102 Correct 10 ms 10224 KB Output is correct
103 Correct 71 ms 19548 KB Output is correct
104 Correct 61 ms 19544 KB Output is correct
105 Correct 77 ms 16844 KB Output is correct
106 Correct 60 ms 19484 KB Output is correct
107 Correct 55 ms 14796 KB Output is correct
108 Correct 57 ms 15180 KB Output is correct
109 Correct 32 ms 14556 KB Output is correct
110 Correct 34 ms 14428 KB Output is correct
111 Correct 65 ms 18876 KB Output is correct
112 Correct 81 ms 18100 KB Output is correct
113 Correct 46 ms 14820 KB Output is correct
114 Correct 58 ms 19532 KB Output is correct
115 Correct 53 ms 19568 KB Output is correct