oj.uz

Submission #536518

# Submission time Handle Problem Language Result Execution time Memory
536518 2022-03-13T13:18:32 Z fuad27 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 240 ms 274480 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 200'010;
int n;
namespace fenwick {
	long long fen[MAXN];
	void update(int in, int val) {
		in++;
		while(in < MAXN) {
			fen[in]+=val;
			in+=in&(-in);
		}
	}

	long long query(int l) {
		l++;
		long long ans = 0;
		while(l > 0) {
			ans += fen[l];
			l-=l&(-l);
		}
		return ans;
	}
};

long long getNum(long long i) {
	return i + n;
}

long long count_swaps(std::vector<int> v) {
	n = v.size();
	for(int i = 0;i<MAXN;i++) {
		fenwick::fen[i] = 0;
	}
	for(int i = 0;i<MAXN;i++) {
		fenwick::update(i, 1);
	}
	long long ans = 0;
	queue<int> q[2*n+1];
	for(int i = 0;i<n;i++) {
		if(q[getNum(-v[i])].size()!=0) {
			int at = q[getNum(-v[i])].front();
			q[getNum(-v[i])].pop();
			ans+=fenwick::query(i) - fenwick::query(at)-1;
			if(v[i] < 0)ans++;
			fenwick::update(i, -1);
			fenwick::update(at, 1);
		}
		else {
			q[getNum(v[i])].push(i);
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct
3 Correct 4 ms 1748 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1860 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 4 ms 1860 KB Output is correct
9 Correct 4 ms 1748 KB Output is correct
10 Correct 4 ms 1860 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 4 ms 1748 KB Output is correct
13 Correct 4 ms 1748 KB Output is correct
14 Correct 4 ms 1876 KB Output is correct
15 Correct 4 ms 1876 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 4 ms 1876 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 4 ms 1748 KB Output is correct
20 Correct 4 ms 1876 KB Output is correct
21 Correct 4 ms 1748 KB Output is correct
22 Correct 4 ms 1876 KB Output is correct
23 Correct 4 ms 1748 KB Output is correct
24 Correct 4 ms 1876 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 4 ms 1876 KB Output is correct
27 Correct 4 ms 1876 KB Output is correct
28 Correct 4 ms 1876 KB Output is correct
29 Correct 4 ms 1864 KB Output is correct
30 Correct 5 ms 1876 KB Output is correct
31 Correct 4 ms 1876 KB Output is correct
32 Correct 4 ms 1876 KB Output is correct
33 Correct 4 ms 1876 KB Output is correct
34 Correct 4 ms 1876 KB Output is correct
35 Correct 4 ms 1876 KB Output is correct
36 Correct 4 ms 1876 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct
3 Correct 4 ms 1748 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1748 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1868 KB Output is correct
8 Correct 4 ms 1748 KB Output is correct
9 Correct 4 ms 1748 KB Output is correct
10 Correct 4 ms 1748 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 4 ms 1868 KB Output is correct
13 Correct 4 ms 1876 KB Output is correct
14 Correct 4 ms 1876 KB Output is correct
15 Correct 4 ms 1864 KB Output is correct
16 Correct 4 ms 2168 KB Output is correct
17 Correct 4 ms 2644 KB Output is correct
18 Correct 6 ms 4568 KB Output is correct
19 Correct 6 ms 4564 KB Output is correct
20 Correct 23 ms 28928 KB Output is correct
21 Correct 23 ms 28884 KB Output is correct
22 Correct 208 ms 272760 KB Output is correct
23 Correct 205 ms 273920 KB Output is correct
24 Correct 222 ms 273868 KB Output is correct
25 Correct 201 ms 274252 KB Output is correct
26 Correct 203 ms 273860 KB Output is correct
27 Correct 197 ms 273776 KB Output is correct
28 Correct 198 ms 274380 KB Output is correct
29 Correct 198 ms 274276 KB Output is correct
30 Correct 202 ms 274380 KB Output is correct
31 Correct 204 ms 273964 KB Output is correct
32 Correct 204 ms 274384 KB Output is correct
33 Correct 202 ms 274180 KB Output is correct
34 Correct 200 ms 274352 KB Output is correct
35 Correct 4 ms 1748 KB Output is correct
36 Correct 4 ms 1840 KB Output is correct
37 Correct 201 ms 274352 KB Output is correct
38 Correct 201 ms 274348 KB Output is correct
39 Correct 222 ms 274480 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct
3 Correct 4 ms 1748 KB Output is correct
4 Correct 4 ms 1876 KB Output is correct
5 Correct 240 ms 272584 KB Output is correct
6 Correct 220 ms 272656 KB Output is correct
7 Correct 233 ms 272700 KB Output is correct
8 Correct 198 ms 273116 KB Output is correct
9 Correct 233 ms 272704 KB Output is correct
10 Correct 237 ms 272696 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct
3 Correct 4 ms 1748 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1860 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 4 ms 1860 KB Output is correct
9 Correct 4 ms 1748 KB Output is correct
10 Correct 4 ms 1860 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 4 ms 1748 KB Output is correct
13 Correct 4 ms 1748 KB Output is correct
14 Correct 4 ms 1876 KB Output is correct
15 Correct 4 ms 1876 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 4 ms 1876 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 4 ms 1748 KB Output is correct
20 Correct 4 ms 1876 KB Output is correct
21 Correct 4 ms 1748 KB Output is correct
22 Correct 4 ms 1876 KB Output is correct
23 Correct 4 ms 1748 KB Output is correct
24 Correct 4 ms 1876 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 4 ms 1876 KB Output is correct
27 Correct 4 ms 1876 KB Output is correct
28 Correct 4 ms 1876 KB Output is correct
29 Correct 4 ms 1864 KB Output is correct
30 Correct 5 ms 1876 KB Output is correct
31 Correct 4 ms 1876 KB Output is correct
32 Correct 4 ms 1876 KB Output is correct
33 Correct 4 ms 1876 KB Output is correct
34 Correct 4 ms 1876 KB Output is correct
35 Correct 4 ms 1876 KB Output is correct
36 Correct 4 ms 1876 KB Output is correct
37 Correct 5 ms 1876 KB Output is correct
38 Correct 5 ms 1876 KB Output is correct
39 Correct 7 ms 2132 KB Output is correct
40 Correct 5 ms 2644 KB Output is correct
41 Correct 5 ms 4564 KB Output is correct
42 Correct 5 ms 4564 KB Output is correct
43 Correct 6 ms 4564 KB Output is correct
44 Correct 5 ms 4564 KB Output is correct
45 Correct 6 ms 4564 KB Output is correct
46 Correct 6 ms 4564 KB Output is correct
47 Correct 6 ms 4532 KB Output is correct
48 Correct 6 ms 4564 KB Output is correct
49 Correct 6 ms 4564 KB Output is correct
50 Correct 5 ms 4564 KB Output is correct
51 Correct 6 ms 4564 KB Output is correct
52 Correct 6 ms 4444 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1748 KB Output is correct
2 Correct 4 ms 1748 KB Output is correct
3 Correct 4 ms 1748 KB Output is correct
4 Correct 4 ms 1748 KB Output is correct
5 Correct 4 ms 1860 KB Output is correct
6 Correct 4 ms 1748 KB Output is correct
7 Correct 4 ms 1748 KB Output is correct
8 Correct 4 ms 1860 KB Output is correct
9 Correct 4 ms 1748 KB Output is correct
10 Correct 4 ms 1860 KB Output is correct
11 Correct 4 ms 1748 KB Output is correct
12 Correct 4 ms 1748 KB Output is correct
13 Correct 4 ms 1748 KB Output is correct
14 Correct 4 ms 1876 KB Output is correct
15 Correct 4 ms 1876 KB Output is correct
16 Correct 4 ms 1748 KB Output is correct
17 Correct 4 ms 1876 KB Output is correct
18 Correct 4 ms 1748 KB Output is correct
19 Correct 4 ms 1748 KB Output is correct
20 Correct 4 ms 1876 KB Output is correct
21 Correct 4 ms 1748 KB Output is correct
22 Correct 4 ms 1876 KB Output is correct
23 Correct 4 ms 1748 KB Output is correct
24 Correct 4 ms 1876 KB Output is correct
25 Correct 4 ms 1748 KB Output is correct
26 Correct 4 ms 1876 KB Output is correct
27 Correct 4 ms 1876 KB Output is correct
28 Correct 4 ms 1876 KB Output is correct
29 Correct 4 ms 1864 KB Output is correct
30 Correct 5 ms 1876 KB Output is correct
31 Correct 4 ms 1876 KB Output is correct
32 Correct 4 ms 1876 KB Output is correct
33 Correct 4 ms 1876 KB Output is correct
34 Correct 4 ms 1876 KB Output is correct
35 Correct 4 ms 1876 KB Output is correct
36 Correct 4 ms 1876 KB Output is correct
37 Correct 4 ms 1748 KB Output is correct
38 Correct 4 ms 1748 KB Output is correct
39 Correct 4 ms 1748 KB Output is correct
40 Correct 4 ms 1748 KB Output is correct
41 Correct 4 ms 1868 KB Output is correct
42 Correct 4 ms 1748 KB Output is correct
43 Correct 4 ms 1748 KB Output is correct
44 Correct 4 ms 1748 KB Output is correct
45 Correct 4 ms 1748 KB Output is correct
46 Correct 4 ms 1868 KB Output is correct
47 Correct 4 ms 1876 KB Output is correct
48 Correct 4 ms 1876 KB Output is correct
49 Correct 4 ms 1864 KB Output is correct
50 Correct 4 ms 2168 KB Output is correct
51 Correct 4 ms 2644 KB Output is correct
52 Correct 6 ms 4568 KB Output is correct
53 Correct 6 ms 4564 KB Output is correct
54 Correct 23 ms 28928 KB Output is correct
55 Correct 23 ms 28884 KB Output is correct
56 Correct 208 ms 272760 KB Output is correct
57 Correct 205 ms 273920 KB Output is correct
58 Correct 222 ms 273868 KB Output is correct
59 Correct 201 ms 274252 KB Output is correct
60 Correct 203 ms 273860 KB Output is correct
61 Correct 197 ms 273776 KB Output is correct
62 Correct 198 ms 274380 KB Output is correct
63 Correct 198 ms 274276 KB Output is correct
64 Correct 202 ms 274380 KB Output is correct
65 Correct 204 ms 273964 KB Output is correct
66 Correct 204 ms 274384 KB Output is correct
67 Correct 202 ms 274180 KB Output is correct
68 Correct 200 ms 274352 KB Output is correct
69 Correct 4 ms 1748 KB Output is correct
70 Correct 4 ms 1840 KB Output is correct
71 Correct 201 ms 274352 KB Output is correct
72 Correct 201 ms 274348 KB Output is correct
73 Correct 222 ms 274480 KB Output is correct
74 Correct 4 ms 1748 KB Output is correct
75 Correct 4 ms 1748 KB Output is correct
76 Correct 4 ms 1748 KB Output is correct
77 Correct 4 ms 1876 KB Output is correct
78 Correct 240 ms 272584 KB Output is correct
79 Correct 220 ms 272656 KB Output is correct
80 Correct 233 ms 272700 KB Output is correct
81 Correct 198 ms 273116 KB Output is correct
82 Correct 233 ms 272704 KB Output is correct
83 Correct 237 ms 272696 KB Output is correct
84 Correct 5 ms 1876 KB Output is correct
85 Correct 5 ms 1876 KB Output is correct
86 Correct 7 ms 2132 KB Output is correct
87 Correct 5 ms 2644 KB Output is correct
88 Correct 5 ms 4564 KB Output is correct
89 Correct 5 ms 4564 KB Output is correct
90 Correct 6 ms 4564 KB Output is correct
91 Correct 5 ms 4564 KB Output is correct
92 Correct 6 ms 4564 KB Output is correct
93 Correct 6 ms 4564 KB Output is correct
94 Correct 6 ms 4532 KB Output is correct
95 Correct 6 ms 4564 KB Output is correct
96 Correct 6 ms 4564 KB Output is correct
97 Correct 5 ms 4564 KB Output is correct
98 Correct 6 ms 4564 KB Output is correct
99 Correct 6 ms 4444 KB Output is correct
100 Correct 6 ms 4564 KB Output is correct
101 Correct 23 ms 29012 KB Output is correct
102 Correct 24 ms 29032 KB Output is correct
103 Correct 234 ms 273836 KB Output is correct
104 Correct 227 ms 274036 KB Output is correct
105 Correct 225 ms 273896 KB Output is correct
106 Correct 228 ms 273824 KB Output is correct
107 Correct 221 ms 273828 KB Output is correct
108 Correct 228 ms 273908 KB Output is correct
109 Correct 199 ms 274364 KB Output is correct
110 Correct 199 ms 274384 KB Output is correct
111 Correct 240 ms 274004 KB Output is correct
112 Correct 233 ms 273816 KB Output is correct
113 Correct 228 ms 273828 KB Output is correct
114 Correct 239 ms 273852 KB Output is correct
115 Correct 227 ms 273948 KB Output is correct