oj.uz

Submission #236809

# Submission time Handle Problem Language Result Execution time Memory
236809 2020-06-03T12:02:06 Z michao Arranging Shoes (IOI19_shoes) C++14
100 / 100
 163 ms 38648 KB 
#include <bits/stdc++.h>
#define ll long long int
#define mp make_pair
#define pb push_back
#define ld long double
#define pii pair<int,int>
#define sz(x) (int)x.size()
#define piii pair<pii,pii>
#define precise cout<<fixed<<setprecision(10)
#define st first
#define nd second
#define ins insert
#define vi vector<int>
#define BOOST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
using namespace std;
const int MAX=1<<18;
bool got[MAX*2];
int t[MAX*2];
set<int>a[MAX],b[MAX];
void update(int u,int c)
{
	for (t[u+=MAX]=c;u>1;u>>=1)
		t[u>>1]=t[u]+t[u^1];
}

int query(int u,int v)
{
	int sum=0;
	for (u+=MAX,v+=MAX+1;u<v;u>>=1,v>>=1)
	{
		if (u&1)sum+=t[u++];
		if (v&1)sum+=t[--v];
	}
	return sum;
}

ll count_swaps(vi tab2)
{
	ll ans=0;
	int n=sz(tab2);
	int tab[n+1];
	for (int i=0;i<=n;i++)tab[i]=0;
	for (int i=1;i<=n;i++)tab[i]=tab2[i-1];
	for (int i=1;i<=n;i++)
	{
		if (tab[i]<0)b[-tab[i]].ins(i);
		else a[tab[i]].ins(i);
	}
	for (int i=1;i<=n;i++)update(i,1);
	for (int i=1;i<=n;i++)
	{
		if (got[i])continue;
		got[i]=true;
		if (tab[i]>0)
		{
			int wsk=*b[tab[i]].lower_bound(i);
			b[tab[i]].erase(wsk);
			got[wsk]=true;
			ans+=query(i+1,wsk);
			update(wsk,0);
		}
		else
		{
			int wsk=*a[-tab[i]].lower_bound(i);
			a[-tab[i]].erase(wsk);
			got[wsk]=true;
			ans+=query(i+1,wsk)-1;
			update(wsk,0);
		}
	}
	return ans;
}
/*
int main()
{
	cout<<count_swaps({2, 1, -1, -2});
}
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 24960 KB Output is correct
2 Correct 19 ms 24960 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 24960 KB Output is correct
2 Correct 19 ms 24960 KB Output is correct
3 Correct 18 ms 24960 KB Output is correct
4 Correct 19 ms 24960 KB Output is correct
5 Correct 18 ms 24960 KB Output is correct
6 Correct 18 ms 24960 KB Output is correct
7 Correct 18 ms 24960 KB Output is correct
8 Correct 19 ms 24960 KB Output is correct
9 Correct 18 ms 24960 KB Output is correct
10 Correct 18 ms 24960 KB Output is correct
11 Correct 18 ms 24960 KB Output is correct
12 Correct 21 ms 25008 KB Output is correct
13 Correct 18 ms 24960 KB Output is correct
14 Correct 18 ms 24960 KB Output is correct
15 Correct 18 ms 24960 KB Output is correct
16 Correct 18 ms 24960 KB Output is correct
17 Correct 18 ms 24960 KB Output is correct
18 Correct 18 ms 24960 KB Output is correct
19 Correct 19 ms 24960 KB Output is correct
20 Correct 20 ms 24960 KB Output is correct
21 Correct 18 ms 24960 KB Output is correct
22 Correct 18 ms 24960 KB Output is correct
23 Correct 18 ms 24960 KB Output is correct
24 Correct 18 ms 25012 KB Output is correct
25 Correct 18 ms 24960 KB Output is correct
26 Correct 18 ms 24960 KB Output is correct
27 Correct 18 ms 24960 KB Output is correct
28 Correct 18 ms 24960 KB Output is correct
29 Correct 18 ms 24960 KB Output is correct
30 Correct 18 ms 24960 KB Output is correct
31 Correct 19 ms 24944 KB Output is correct
32 Correct 19 ms 24960 KB Output is correct
33 Correct 19 ms 24960 KB Output is correct
34 Correct 18 ms 24960 KB Output is correct
35 Correct 18 ms 24960 KB Output is correct
36 Correct 19 ms 24960 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 24960 KB Output is correct
2 Correct 19 ms 24960 KB Output is correct
3 Correct 18 ms 24960 KB Output is correct
4 Correct 18 ms 24960 KB Output is correct
5 Correct 18 ms 25008 KB Output is correct
6 Correct 18 ms 24960 KB Output is correct
7 Correct 18 ms 24960 KB Output is correct
8 Correct 18 ms 24960 KB Output is correct
9 Correct 19 ms 24960 KB Output is correct
10 Correct 19 ms 24960 KB Output is correct
11 Correct 18 ms 24960 KB Output is correct
12 Correct 18 ms 24960 KB Output is correct
13 Correct 18 ms 24960 KB Output is correct
14 Correct 19 ms 24960 KB Output is correct
15 Correct 20 ms 24960 KB Output is correct
16 Correct 19 ms 24960 KB Output is correct
17 Correct 19 ms 24960 KB Output is correct
18 Correct 20 ms 25088 KB Output is correct
19 Correct 19 ms 25088 KB Output is correct
20 Correct 29 ms 26368 KB Output is correct
21 Correct 29 ms 26368 KB Output is correct
22 Correct 113 ms 38520 KB Output is correct
23 Correct 109 ms 38600 KB Output is correct
24 Correct 106 ms 38528 KB Output is correct
25 Correct 106 ms 38520 KB Output is correct
26 Correct 100 ms 38520 KB Output is correct
27 Correct 114 ms 38520 KB Output is correct
28 Correct 104 ms 38544 KB Output is correct
29 Correct 111 ms 38520 KB Output is correct
30 Correct 105 ms 38552 KB Output is correct
31 Correct 104 ms 38520 KB Output is correct
32 Correct 105 ms 38520 KB Output is correct
33 Correct 103 ms 38520 KB Output is correct
34 Correct 105 ms 38524 KB Output is correct
35 Correct 19 ms 24960 KB Output is correct
36 Correct 19 ms 24960 KB Output is correct
37 Correct 109 ms 38496 KB Output is correct
38 Correct 105 ms 38520 KB Output is correct
39 Correct 104 ms 38520 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 24960 KB Output is correct
2 Correct 18 ms 24960 KB Output is correct
3 Correct 18 ms 24960 KB Output is correct
4 Correct 18 ms 24960 KB Output is correct
5 Correct 96 ms 38460 KB Output is correct
6 Correct 125 ms 38648 KB Output is correct
7 Correct 99 ms 38520 KB Output is correct
8 Correct 100 ms 38460 KB Output is correct
9 Correct 103 ms 38520 KB Output is correct
10 Correct 116 ms 38520 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 24960 KB Output is correct
2 Correct 19 ms 24960 KB Output is correct
3 Correct 18 ms 24960 KB Output is correct
4 Correct 19 ms 24960 KB Output is correct
5 Correct 18 ms 24960 KB Output is correct
6 Correct 18 ms 24960 KB Output is correct
7 Correct 18 ms 24960 KB Output is correct
8 Correct 19 ms 24960 KB Output is correct
9 Correct 18 ms 24960 KB Output is correct
10 Correct 18 ms 24960 KB Output is correct
11 Correct 18 ms 24960 KB Output is correct
12 Correct 21 ms 25008 KB Output is correct
13 Correct 18 ms 24960 KB Output is correct
14 Correct 18 ms 24960 KB Output is correct
15 Correct 18 ms 24960 KB Output is correct
16 Correct 18 ms 24960 KB Output is correct
17 Correct 18 ms 24960 KB Output is correct
18 Correct 18 ms 24960 KB Output is correct
19 Correct 19 ms 24960 KB Output is correct
20 Correct 20 ms 24960 KB Output is correct
21 Correct 18 ms 24960 KB Output is correct
22 Correct 18 ms 24960 KB Output is correct
23 Correct 18 ms 24960 KB Output is correct
24 Correct 18 ms 25012 KB Output is correct
25 Correct 18 ms 24960 KB Output is correct
26 Correct 18 ms 24960 KB Output is correct
27 Correct 18 ms 24960 KB Output is correct
28 Correct 18 ms 24960 KB Output is correct
29 Correct 18 ms 24960 KB Output is correct
30 Correct 18 ms 24960 KB Output is correct
31 Correct 19 ms 24944 KB Output is correct
32 Correct 19 ms 24960 KB Output is correct
33 Correct 19 ms 24960 KB Output is correct
34 Correct 18 ms 24960 KB Output is correct
35 Correct 18 ms 24960 KB Output is correct
36 Correct 19 ms 24960 KB Output is correct
37 Correct 18 ms 24960 KB Output is correct
38 Correct 18 ms 24960 KB Output is correct
39 Correct 18 ms 24960 KB Output is correct
40 Correct 19 ms 25216 KB Output is correct
41 Correct 19 ms 25088 KB Output is correct
42 Correct 19 ms 25088 KB Output is correct
43 Correct 20 ms 25088 KB Output is correct
44 Correct 19 ms 25088 KB Output is correct
45 Correct 19 ms 25088 KB Output is correct
46 Correct 20 ms 25216 KB Output is correct
47 Correct 19 ms 25088 KB Output is correct
48 Correct 19 ms 25088 KB Output is correct
49 Correct 19 ms 25088 KB Output is correct
50 Correct 19 ms 25088 KB Output is correct
51 Correct 21 ms 25088 KB Output is correct
52 Correct 19 ms 25088 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 24960 KB Output is correct
2 Correct 19 ms 24960 KB Output is correct
3 Correct 18 ms 24960 KB Output is correct
4 Correct 19 ms 24960 KB Output is correct
5 Correct 18 ms 24960 KB Output is correct
6 Correct 18 ms 24960 KB Output is correct
7 Correct 18 ms 24960 KB Output is correct
8 Correct 19 ms 24960 KB Output is correct
9 Correct 18 ms 24960 KB Output is correct
10 Correct 18 ms 24960 KB Output is correct
11 Correct 18 ms 24960 KB Output is correct
12 Correct 21 ms 25008 KB Output is correct
13 Correct 18 ms 24960 KB Output is correct
14 Correct 18 ms 24960 KB Output is correct
15 Correct 18 ms 24960 KB Output is correct
16 Correct 18 ms 24960 KB Output is correct
17 Correct 18 ms 24960 KB Output is correct
18 Correct 18 ms 24960 KB Output is correct
19 Correct 19 ms 24960 KB Output is correct
20 Correct 20 ms 24960 KB Output is correct
21 Correct 18 ms 24960 KB Output is correct
22 Correct 18 ms 24960 KB Output is correct
23 Correct 18 ms 24960 KB Output is correct
24 Correct 18 ms 25012 KB Output is correct
25 Correct 18 ms 24960 KB Output is correct
26 Correct 18 ms 24960 KB Output is correct
27 Correct 18 ms 24960 KB Output is correct
28 Correct 18 ms 24960 KB Output is correct
29 Correct 18 ms 24960 KB Output is correct
30 Correct 18 ms 24960 KB Output is correct
31 Correct 19 ms 24944 KB Output is correct
32 Correct 19 ms 24960 KB Output is correct
33 Correct 19 ms 24960 KB Output is correct
34 Correct 18 ms 24960 KB Output is correct
35 Correct 18 ms 24960 KB Output is correct
36 Correct 19 ms 24960 KB Output is correct
37 Correct 18 ms 24960 KB Output is correct
38 Correct 18 ms 24960 KB Output is correct
39 Correct 18 ms 25008 KB Output is correct
40 Correct 18 ms 24960 KB Output is correct
41 Correct 18 ms 24960 KB Output is correct
42 Correct 18 ms 24960 KB Output is correct
43 Correct 19 ms 24960 KB Output is correct
44 Correct 19 ms 24960 KB Output is correct
45 Correct 18 ms 24960 KB Output is correct
46 Correct 18 ms 24960 KB Output is correct
47 Correct 18 ms 24960 KB Output is correct
48 Correct 19 ms 24960 KB Output is correct
49 Correct 20 ms 24960 KB Output is correct
50 Correct 19 ms 24960 KB Output is correct
51 Correct 19 ms 24960 KB Output is correct
52 Correct 20 ms 25088 KB Output is correct
53 Correct 19 ms 25088 KB Output is correct
54 Correct 29 ms 26368 KB Output is correct
55 Correct 29 ms 26368 KB Output is correct
56 Correct 113 ms 38520 KB Output is correct
57 Correct 109 ms 38600 KB Output is correct
58 Correct 106 ms 38528 KB Output is correct
59 Correct 106 ms 38520 KB Output is correct
60 Correct 100 ms 38520 KB Output is correct
61 Correct 114 ms 38520 KB Output is correct
62 Correct 104 ms 38544 KB Output is correct
63 Correct 111 ms 38520 KB Output is correct
64 Correct 105 ms 38552 KB Output is correct
65 Correct 104 ms 38520 KB Output is correct
66 Correct 105 ms 38520 KB Output is correct
67 Correct 103 ms 38520 KB Output is correct
68 Correct 105 ms 38524 KB Output is correct
69 Correct 19 ms 24960 KB Output is correct
70 Correct 19 ms 24960 KB Output is correct
71 Correct 109 ms 38496 KB Output is correct
72 Correct 105 ms 38520 KB Output is correct
73 Correct 104 ms 38520 KB Output is correct
74 Correct 18 ms 24960 KB Output is correct
75 Correct 18 ms 24960 KB Output is correct
76 Correct 18 ms 24960 KB Output is correct
77 Correct 18 ms 24960 KB Output is correct
78 Correct 96 ms 38460 KB Output is correct
79 Correct 125 ms 38648 KB Output is correct
80 Correct 99 ms 38520 KB Output is correct
81 Correct 100 ms 38460 KB Output is correct
82 Correct 103 ms 38520 KB Output is correct
83 Correct 116 ms 38520 KB Output is correct
84 Correct 18 ms 24960 KB Output is correct
85 Correct 18 ms 24960 KB Output is correct
86 Correct 18 ms 24960 KB Output is correct
87 Correct 19 ms 25216 KB Output is correct
88 Correct 19 ms 25088 KB Output is correct
89 Correct 19 ms 25088 KB Output is correct
90 Correct 20 ms 25088 KB Output is correct
91 Correct 19 ms 25088 KB Output is correct
92 Correct 19 ms 25088 KB Output is correct
93 Correct 20 ms 25216 KB Output is correct
94 Correct 19 ms 25088 KB Output is correct
95 Correct 19 ms 25088 KB Output is correct
96 Correct 19 ms 25088 KB Output is correct
97 Correct 19 ms 25088 KB Output is correct
98 Correct 21 ms 25088 KB Output is correct
99 Correct 19 ms 25088 KB Output is correct
100 Correct 18 ms 25088 KB Output is correct
101 Correct 26 ms 26368 KB Output is correct
102 Correct 28 ms 26368 KB Output is correct
103 Correct 143 ms 38520 KB Output is correct
104 Correct 106 ms 38520 KB Output is correct
105 Correct 153 ms 38520 KB Output is correct
106 Correct 106 ms 38520 KB Output is correct
107 Correct 163 ms 38460 KB Output is correct
108 Correct 155 ms 38464 KB Output is correct
109 Correct 97 ms 38520 KB Output is correct
110 Correct 105 ms 38452 KB Output is correct
111 Correct 110 ms 38520 KB Output is correct
112 Correct 142 ms 38520 KB Output is correct
113 Correct 149 ms 38520 KB Output is correct
114 Correct 96 ms 38520 KB Output is correct
115 Correct 105 ms 38520 KB Output is correct