oj.uz

Submission #809122

# Submission time Handle Problem Language Result Execution time Memory
809122 2023-08-05T17:54:21 Z Username4132 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 48 ms 15012 KB 
#include "shoes.h"
#include<iostream>
#include<vector>
using namespace std;
using ll = long long;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define dforn(i, n) for(int i=n-1; i>=0; --i)
#define PB push_back

const int MAXN = 100010;
bool del[2*MAXN];
int n, bit[2*MAXN];
vector<int> ubs[2*MAXN];

int sum(int r){
	int ret=0;
	for(; r>=0; r=(r&(r+1))-1) ret+=bit[r];
	return ret;
}

void update(int r, int delta){
	for(; r<2*MAXN; r=r|(r+1)) bit[r]+=delta;
}

long long count_swaps(vector<int> s) {
	n = s.size()>>1;
	ll ret=0;
	dforn(i, 2*n) ubs[n+s[i]].PB(i);
	forn(i, 2*n) if(!del[i]){
		int assi = ubs[n-s[i]].back();
		ubs[n+s[i]].pop_back();
		ubs[n-s[i]].pop_back();
		del[i]=del[assi]=true;
		ret+=(assi-i-1-sum(assi-1)+sum(i) + (s[i]>0));
		update(i, 1), update(assi, 1);
	}
	return ret;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5008 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5000 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5000 KB Output is correct
11 Correct 2 ms 5004 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4996 KB Output is correct
14 Correct 2 ms 5004 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5004 KB Output is correct
17 Correct 2 ms 5000 KB Output is correct
18 Correct 2 ms 5000 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 2 ms 5000 KB Output is correct
23 Correct 2 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 2 ms 5004 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5000 KB Output is correct
29 Correct 2 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 2 ms 4948 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 2 ms 4948 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 5004 KB Output is correct
36 Correct 2 ms 5000 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 3 ms 5004 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 5004 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 5000 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 5004 KB Output is correct
18 Correct 3 ms 5076 KB Output is correct
19 Correct 3 ms 5076 KB Output is correct
20 Correct 4 ms 5460 KB Output is correct
21 Correct 5 ms 5460 KB Output is correct
22 Correct 25 ms 9624 KB Output is correct
23 Correct 21 ms 9740 KB Output is correct
24 Correct 25 ms 9652 KB Output is correct
25 Correct 21 ms 9416 KB Output is correct
26 Correct 25 ms 9796 KB Output is correct
27 Correct 20 ms 9612 KB Output is correct
28 Correct 23 ms 9612 KB Output is correct
29 Correct 24 ms 9740 KB Output is correct
30 Correct 22 ms 9608 KB Output is correct
31 Correct 25 ms 9624 KB Output is correct
32 Correct 22 ms 9620 KB Output is correct
33 Correct 21 ms 9404 KB Output is correct
34 Correct 22 ms 9608 KB Output is correct
35 Correct 2 ms 5040 KB Output is correct
36 Correct 2 ms 4948 KB Output is correct
37 Correct 23 ms 9728 KB Output is correct
38 Correct 23 ms 9608 KB Output is correct
39 Correct 27 ms 9700 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4996 KB Output is correct
5 Correct 33 ms 14924 KB Output is correct
6 Correct 29 ms 10208 KB Output is correct
7 Correct 41 ms 14916 KB Output is correct
8 Correct 22 ms 9716 KB Output is correct
9 Correct 33 ms 15000 KB Output is correct
10 Correct 33 ms 11892 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5008 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5000 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5000 KB Output is correct
11 Correct 2 ms 5004 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4996 KB Output is correct
14 Correct 2 ms 5004 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5004 KB Output is correct
17 Correct 2 ms 5000 KB Output is correct
18 Correct 2 ms 5000 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 2 ms 5000 KB Output is correct
23 Correct 2 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 2 ms 5004 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5000 KB Output is correct
29 Correct 2 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 2 ms 4948 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 2 ms 4948 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 5004 KB Output is correct
36 Correct 2 ms 5000 KB Output is correct
37 Correct 2 ms 5000 KB Output is correct
38 Correct 2 ms 4948 KB Output is correct
39 Correct 2 ms 4948 KB Output is correct
40 Correct 2 ms 5004 KB Output is correct
41 Correct 2 ms 5076 KB Output is correct
42 Correct 3 ms 5076 KB Output is correct
43 Correct 2 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5052 KB Output is correct
47 Correct 3 ms 5076 KB Output is correct
48 Correct 3 ms 5076 KB Output is correct
49 Correct 3 ms 5016 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 2 ms 5012 KB Output is correct
52 Correct 3 ms 5008 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5008 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 5000 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5000 KB Output is correct
11 Correct 2 ms 5004 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4996 KB Output is correct
14 Correct 2 ms 5004 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 5004 KB Output is correct
17 Correct 2 ms 5000 KB Output is correct
18 Correct 2 ms 5000 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 2 ms 4948 KB Output is correct
21 Correct 2 ms 4948 KB Output is correct
22 Correct 2 ms 5000 KB Output is correct
23 Correct 2 ms 4948 KB Output is correct
24 Correct 3 ms 4948 KB Output is correct
25 Correct 2 ms 5004 KB Output is correct
26 Correct 2 ms 4948 KB Output is correct
27 Correct 2 ms 4948 KB Output is correct
28 Correct 3 ms 5000 KB Output is correct
29 Correct 2 ms 4948 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 2 ms 4948 KB Output is correct
32 Correct 2 ms 4948 KB Output is correct
33 Correct 2 ms 4948 KB Output is correct
34 Correct 2 ms 4948 KB Output is correct
35 Correct 2 ms 5004 KB Output is correct
36 Correct 2 ms 5000 KB Output is correct
37 Correct 2 ms 4948 KB Output is correct
38 Correct 3 ms 5004 KB Output is correct
39 Correct 2 ms 4948 KB Output is correct
40 Correct 2 ms 4948 KB Output is correct
41 Correct 2 ms 4948 KB Output is correct
42 Correct 2 ms 5004 KB Output is correct
43 Correct 2 ms 4948 KB Output is correct
44 Correct 2 ms 4948 KB Output is correct
45 Correct 2 ms 4948 KB Output is correct
46 Correct 2 ms 4948 KB Output is correct
47 Correct 2 ms 4948 KB Output is correct
48 Correct 2 ms 5000 KB Output is correct
49 Correct 2 ms 4948 KB Output is correct
50 Correct 2 ms 4948 KB Output is correct
51 Correct 2 ms 5004 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 3 ms 5076 KB Output is correct
54 Correct 4 ms 5460 KB Output is correct
55 Correct 5 ms 5460 KB Output is correct
56 Correct 25 ms 9624 KB Output is correct
57 Correct 21 ms 9740 KB Output is correct
58 Correct 25 ms 9652 KB Output is correct
59 Correct 21 ms 9416 KB Output is correct
60 Correct 25 ms 9796 KB Output is correct
61 Correct 20 ms 9612 KB Output is correct
62 Correct 23 ms 9612 KB Output is correct
63 Correct 24 ms 9740 KB Output is correct
64 Correct 22 ms 9608 KB Output is correct
65 Correct 25 ms 9624 KB Output is correct
66 Correct 22 ms 9620 KB Output is correct
67 Correct 21 ms 9404 KB Output is correct
68 Correct 22 ms 9608 KB Output is correct
69 Correct 2 ms 5040 KB Output is correct
70 Correct 2 ms 4948 KB Output is correct
71 Correct 23 ms 9728 KB Output is correct
72 Correct 23 ms 9608 KB Output is correct
73 Correct 27 ms 9700 KB Output is correct
74 Correct 2 ms 4948 KB Output is correct
75 Correct 2 ms 4948 KB Output is correct
76 Correct 2 ms 4948 KB Output is correct
77 Correct 2 ms 4996 KB Output is correct
78 Correct 33 ms 14924 KB Output is correct
79 Correct 29 ms 10208 KB Output is correct
80 Correct 41 ms 14916 KB Output is correct
81 Correct 22 ms 9716 KB Output is correct
82 Correct 33 ms 15000 KB Output is correct
83 Correct 33 ms 11892 KB Output is correct
84 Correct 2 ms 5000 KB Output is correct
85 Correct 2 ms 4948 KB Output is correct
86 Correct 2 ms 4948 KB Output is correct
87 Correct 2 ms 5004 KB Output is correct
88 Correct 2 ms 5076 KB Output is correct
89 Correct 3 ms 5076 KB Output is correct
90 Correct 2 ms 5076 KB Output is correct
91 Correct 3 ms 5076 KB Output is correct
92 Correct 3 ms 5076 KB Output is correct
93 Correct 3 ms 5052 KB Output is correct
94 Correct 3 ms 5076 KB Output is correct
95 Correct 3 ms 5076 KB Output is correct
96 Correct 3 ms 5016 KB Output is correct
97 Correct 3 ms 5076 KB Output is correct
98 Correct 2 ms 5012 KB Output is correct
99 Correct 3 ms 5008 KB Output is correct
100 Correct 3 ms 5012 KB Output is correct
101 Correct 5 ms 5844 KB Output is correct
102 Correct 5 ms 5528 KB Output is correct
103 Correct 41 ms 14944 KB Output is correct
104 Correct 35 ms 15000 KB Output is correct
105 Correct 37 ms 12296 KB Output is correct
106 Correct 47 ms 14924 KB Output is correct
107 Correct 32 ms 10392 KB Output is correct
108 Correct 34 ms 10660 KB Output is correct
109 Correct 23 ms 9996 KB Output is correct
110 Correct 26 ms 9676 KB Output is correct
111 Correct 33 ms 14248 KB Output is correct
112 Correct 37 ms 13604 KB Output is correct
113 Correct 40 ms 10248 KB Output is correct
114 Correct 40 ms 14972 KB Output is correct
115 Correct 48 ms 15012 KB Output is correct