oj.uz

Submission #213079

# Submission time Handle Problem Language Result Execution time Memory
213079 2020-03-25T01:08:26 Z iris2617 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 268 ms 277500 KB 
#include "shoes.h"
#include <queue>
#define int long long
using namespace std;

int arr[200010],n;
queue<int> q[200010],q2[200010];
int bit[200010];
bool used[200010];

void build()
{
	int i;
	for(i=1;i<=n;i++)
	{
		if(i+(i&(-i))<=n)
		{
			bit[i+(i&(-i))]+=bit[i];
		}
	}
}

void add(int a,int k)
{
	int i;
	for(i=a;i<=n;i+=(i&(-i)))
	{
		bit[i]+=k;
	}
}

int sum(int a)
{
	int i,res=0;
	for(i=a;i;i-=(i&(-i)))
	{
		res+=bit[i];
	}
	return res;
}

long long count_swaps(std::vector<signed> s)
{
	int i,ans,a;
	ans=0;
	
	n=s.size();
	for(i=1;i<=n;i++)
	{
		a=s[i-1];
		if(a<0)
		{
			q[-a].push(i);
		}
		else
		{
			q2[a].push(i);
		}
		arr[i]=a;
		bit[i]=1;
	}
	build();
	for(i=1;i<=n;i++)
	{
		if(used[i])
		{
			continue;
		}
		used[i]=1;
		
		if(arr[i]>0)
		{
			add(q[arr[i]].front(),-1);
			add(i,-1);
			ans+=sum(q[arr[i]].front())+1;
			used[q[arr[i]].front()]=1;
		}
		else
		{
			arr[i]*=-1;
			add(q2[arr[i]].front(),-1);
			add(i,-1);
			ans+=sum(q2[arr[i]].front());
			used[q2[arr[i]].front()]=1;
		}
		q[arr[i]].pop();
		q2[arr[i]].pop();
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 269688 KB Output is correct
2 Correct 175 ms 269688 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 269688 KB Output is correct
2 Correct 175 ms 269688 KB Output is correct
3 Correct 175 ms 269688 KB Output is correct
4 Correct 174 ms 269688 KB Output is correct
5 Correct 175 ms 269560 KB Output is correct
6 Correct 173 ms 269688 KB Output is correct
7 Correct 174 ms 269688 KB Output is correct
8 Correct 175 ms 269688 KB Output is correct
9 Correct 178 ms 269560 KB Output is correct
10 Correct 179 ms 269560 KB Output is correct
11 Correct 175 ms 269688 KB Output is correct
12 Correct 174 ms 269688 KB Output is correct
13 Correct 174 ms 269688 KB Output is correct
14 Correct 175 ms 269688 KB Output is correct
15 Correct 173 ms 269688 KB Output is correct
16 Correct 175 ms 269688 KB Output is correct
17 Correct 197 ms 269688 KB Output is correct
18 Correct 174 ms 269560 KB Output is correct
19 Correct 179 ms 269688 KB Output is correct
20 Correct 176 ms 269636 KB Output is correct
21 Correct 178 ms 269688 KB Output is correct
22 Correct 174 ms 269688 KB Output is correct
23 Correct 174 ms 269688 KB Output is correct
24 Correct 180 ms 269688 KB Output is correct
25 Correct 175 ms 269688 KB Output is correct
26 Correct 174 ms 269688 KB Output is correct
27 Correct 175 ms 269688 KB Output is correct
28 Correct 175 ms 269688 KB Output is correct
29 Correct 174 ms 269688 KB Output is correct
30 Correct 180 ms 269688 KB Output is correct
31 Correct 174 ms 269688 KB Output is correct
32 Correct 175 ms 269688 KB Output is correct
33 Correct 176 ms 269688 KB Output is correct
34 Correct 174 ms 269692 KB Output is correct
35 Correct 176 ms 269688 KB Output is correct
36 Correct 173 ms 269560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 269688 KB Output is correct
2 Correct 175 ms 269688 KB Output is correct
3 Correct 175 ms 269560 KB Output is correct
4 Correct 175 ms 269688 KB Output is correct
5 Correct 175 ms 269688 KB Output is correct
6 Correct 177 ms 269688 KB Output is correct
7 Correct 180 ms 269688 KB Output is correct
8 Correct 175 ms 269688 KB Output is correct
9 Correct 175 ms 269688 KB Output is correct
10 Correct 175 ms 269688 KB Output is correct
11 Correct 175 ms 269688 KB Output is correct
12 Correct 175 ms 269688 KB Output is correct
13 Correct 178 ms 269688 KB Output is correct
14 Correct 174 ms 269688 KB Output is correct
15 Correct 177 ms 269688 KB Output is correct
16 Correct 175 ms 269688 KB Output is correct
17 Correct 175 ms 269692 KB Output is correct
18 Correct 190 ms 269688 KB Output is correct
19 Correct 191 ms 269688 KB Output is correct
20 Correct 192 ms 270328 KB Output is correct
21 Correct 192 ms 270328 KB Output is correct
22 Correct 229 ms 276216 KB Output is correct
23 Correct 229 ms 276216 KB Output is correct
24 Correct 230 ms 276216 KB Output is correct
25 Correct 223 ms 276216 KB Output is correct
26 Correct 229 ms 277496 KB Output is correct
27 Correct 229 ms 277240 KB Output is correct
28 Correct 227 ms 277496 KB Output is correct
29 Correct 224 ms 277496 KB Output is correct
30 Correct 226 ms 277500 KB Output is correct
31 Correct 228 ms 277496 KB Output is correct
32 Correct 226 ms 277496 KB Output is correct
33 Correct 232 ms 277240 KB Output is correct
34 Correct 231 ms 277496 KB Output is correct
35 Correct 178 ms 269688 KB Output is correct
36 Correct 175 ms 269688 KB Output is correct
37 Correct 234 ms 277496 KB Output is correct
38 Correct 225 ms 277496 KB Output is correct
39 Correct 231 ms 277496 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 269692 KB Output is correct
2 Correct 177 ms 269692 KB Output is correct
3 Correct 176 ms 269688 KB Output is correct
4 Correct 175 ms 269688 KB Output is correct
5 Correct 255 ms 274552 KB Output is correct
6 Correct 250 ms 275832 KB Output is correct
7 Correct 256 ms 275832 KB Output is correct
8 Correct 228 ms 277496 KB Output is correct
9 Correct 254 ms 275836 KB Output is correct
10 Correct 248 ms 275832 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 269688 KB Output is correct
2 Correct 175 ms 269688 KB Output is correct
3 Correct 175 ms 269688 KB Output is correct
4 Correct 174 ms 269688 KB Output is correct
5 Correct 175 ms 269560 KB Output is correct
6 Correct 173 ms 269688 KB Output is correct
7 Correct 174 ms 269688 KB Output is correct
8 Correct 175 ms 269688 KB Output is correct
9 Correct 178 ms 269560 KB Output is correct
10 Correct 179 ms 269560 KB Output is correct
11 Correct 175 ms 269688 KB Output is correct
12 Correct 174 ms 269688 KB Output is correct
13 Correct 174 ms 269688 KB Output is correct
14 Correct 175 ms 269688 KB Output is correct
15 Correct 173 ms 269688 KB Output is correct
16 Correct 175 ms 269688 KB Output is correct
17 Correct 197 ms 269688 KB Output is correct
18 Correct 174 ms 269560 KB Output is correct
19 Correct 179 ms 269688 KB Output is correct
20 Correct 176 ms 269636 KB Output is correct
21 Correct 178 ms 269688 KB Output is correct
22 Correct 174 ms 269688 KB Output is correct
23 Correct 174 ms 269688 KB Output is correct
24 Correct 180 ms 269688 KB Output is correct
25 Correct 175 ms 269688 KB Output is correct
26 Correct 174 ms 269688 KB Output is correct
27 Correct 175 ms 269688 KB Output is correct
28 Correct 175 ms 269688 KB Output is correct
29 Correct 174 ms 269688 KB Output is correct
30 Correct 180 ms 269688 KB Output is correct
31 Correct 174 ms 269688 KB Output is correct
32 Correct 175 ms 269688 KB Output is correct
33 Correct 176 ms 269688 KB Output is correct
34 Correct 174 ms 269692 KB Output is correct
35 Correct 176 ms 269688 KB Output is correct
36 Correct 173 ms 269560 KB Output is correct
37 Correct 176 ms 269688 KB Output is correct
38 Correct 175 ms 269688 KB Output is correct
39 Correct 174 ms 269688 KB Output is correct
40 Correct 175 ms 269688 KB Output is correct
41 Correct 175 ms 269688 KB Output is correct
42 Correct 174 ms 269688 KB Output is correct
43 Correct 173 ms 269688 KB Output is correct
44 Correct 176 ms 269688 KB Output is correct
45 Correct 175 ms 269688 KB Output is correct
46 Correct 177 ms 269688 KB Output is correct
47 Correct 174 ms 269688 KB Output is correct
48 Correct 177 ms 269688 KB Output is correct
49 Correct 177 ms 269692 KB Output is correct
50 Correct 188 ms 269688 KB Output is correct
51 Correct 190 ms 269688 KB Output is correct
52 Correct 175 ms 269688 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 269688 KB Output is correct
2 Correct 175 ms 269688 KB Output is correct
3 Correct 175 ms 269688 KB Output is correct
4 Correct 174 ms 269688 KB Output is correct
5 Correct 175 ms 269560 KB Output is correct
6 Correct 173 ms 269688 KB Output is correct
7 Correct 174 ms 269688 KB Output is correct
8 Correct 175 ms 269688 KB Output is correct
9 Correct 178 ms 269560 KB Output is correct
10 Correct 179 ms 269560 KB Output is correct
11 Correct 175 ms 269688 KB Output is correct
12 Correct 174 ms 269688 KB Output is correct
13 Correct 174 ms 269688 KB Output is correct
14 Correct 175 ms 269688 KB Output is correct
15 Correct 173 ms 269688 KB Output is correct
16 Correct 175 ms 269688 KB Output is correct
17 Correct 197 ms 269688 KB Output is correct
18 Correct 174 ms 269560 KB Output is correct
19 Correct 179 ms 269688 KB Output is correct
20 Correct 176 ms 269636 KB Output is correct
21 Correct 178 ms 269688 KB Output is correct
22 Correct 174 ms 269688 KB Output is correct
23 Correct 174 ms 269688 KB Output is correct
24 Correct 180 ms 269688 KB Output is correct
25 Correct 175 ms 269688 KB Output is correct
26 Correct 174 ms 269688 KB Output is correct
27 Correct 175 ms 269688 KB Output is correct
28 Correct 175 ms 269688 KB Output is correct
29 Correct 174 ms 269688 KB Output is correct
30 Correct 180 ms 269688 KB Output is correct
31 Correct 174 ms 269688 KB Output is correct
32 Correct 175 ms 269688 KB Output is correct
33 Correct 176 ms 269688 KB Output is correct
34 Correct 174 ms 269692 KB Output is correct
35 Correct 176 ms 269688 KB Output is correct
36 Correct 173 ms 269560 KB Output is correct
37 Correct 175 ms 269560 KB Output is correct
38 Correct 175 ms 269688 KB Output is correct
39 Correct 175 ms 269688 KB Output is correct
40 Correct 177 ms 269688 KB Output is correct
41 Correct 180 ms 269688 KB Output is correct
42 Correct 175 ms 269688 KB Output is correct
43 Correct 175 ms 269688 KB Output is correct
44 Correct 175 ms 269688 KB Output is correct
45 Correct 175 ms 269688 KB Output is correct
46 Correct 175 ms 269688 KB Output is correct
47 Correct 178 ms 269688 KB Output is correct
48 Correct 174 ms 269688 KB Output is correct
49 Correct 177 ms 269688 KB Output is correct
50 Correct 175 ms 269688 KB Output is correct
51 Correct 175 ms 269692 KB Output is correct
52 Correct 190 ms 269688 KB Output is correct
53 Correct 191 ms 269688 KB Output is correct
54 Correct 192 ms 270328 KB Output is correct
55 Correct 192 ms 270328 KB Output is correct
56 Correct 229 ms 276216 KB Output is correct
57 Correct 229 ms 276216 KB Output is correct
58 Correct 230 ms 276216 KB Output is correct
59 Correct 223 ms 276216 KB Output is correct
60 Correct 229 ms 277496 KB Output is correct
61 Correct 229 ms 277240 KB Output is correct
62 Correct 227 ms 277496 KB Output is correct
63 Correct 224 ms 277496 KB Output is correct
64 Correct 226 ms 277500 KB Output is correct
65 Correct 228 ms 277496 KB Output is correct
66 Correct 226 ms 277496 KB Output is correct
67 Correct 232 ms 277240 KB Output is correct
68 Correct 231 ms 277496 KB Output is correct
69 Correct 178 ms 269688 KB Output is correct
70 Correct 175 ms 269688 KB Output is correct
71 Correct 234 ms 277496 KB Output is correct
72 Correct 225 ms 277496 KB Output is correct
73 Correct 231 ms 277496 KB Output is correct
74 Correct 174 ms 269692 KB Output is correct
75 Correct 177 ms 269692 KB Output is correct
76 Correct 176 ms 269688 KB Output is correct
77 Correct 175 ms 269688 KB Output is correct
78 Correct 255 ms 274552 KB Output is correct
79 Correct 250 ms 275832 KB Output is correct
80 Correct 256 ms 275832 KB Output is correct
81 Correct 228 ms 277496 KB Output is correct
82 Correct 254 ms 275836 KB Output is correct
83 Correct 248 ms 275832 KB Output is correct
84 Correct 176 ms 269688 KB Output is correct
85 Correct 175 ms 269688 KB Output is correct
86 Correct 174 ms 269688 KB Output is correct
87 Correct 175 ms 269688 KB Output is correct
88 Correct 175 ms 269688 KB Output is correct
89 Correct 174 ms 269688 KB Output is correct
90 Correct 173 ms 269688 KB Output is correct
91 Correct 176 ms 269688 KB Output is correct
92 Correct 175 ms 269688 KB Output is correct
93 Correct 177 ms 269688 KB Output is correct
94 Correct 174 ms 269688 KB Output is correct
95 Correct 177 ms 269688 KB Output is correct
96 Correct 177 ms 269692 KB Output is correct
97 Correct 188 ms 269688 KB Output is correct
98 Correct 190 ms 269688 KB Output is correct
99 Correct 175 ms 269688 KB Output is correct
100 Correct 186 ms 269692 KB Output is correct
101 Correct 182 ms 270200 KB Output is correct
102 Correct 182 ms 270072 KB Output is correct
103 Correct 267 ms 275832 KB Output is correct
104 Correct 258 ms 275832 KB Output is correct
105 Correct 268 ms 275832 KB Output is correct
106 Correct 257 ms 275832 KB Output is correct
107 Correct 243 ms 275832 KB Output is correct
108 Correct 244 ms 275832 KB Output is correct
109 Correct 224 ms 277496 KB Output is correct
110 Correct 228 ms 277496 KB Output is correct
111 Correct 253 ms 275832 KB Output is correct
112 Correct 262 ms 275832 KB Output is correct
113 Correct 238 ms 275832 KB Output is correct
114 Correct 258 ms 275832 KB Output is correct
115 Correct 259 ms 275832 KB Output is correct