Submission #157685

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
157685	2019-10-12T17:38:59 Z	lukameladze	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	50 ms	20188 KB

shoes

# include <bits/stdc++.h>
using namespace std;
long long n,a[100005],pas,tree[100005],ans,w,w1,fix[100005];
queue <long long> q[10][1005];
void inc (long long ind,long long val)
{
    for (int i=ind; i<=2*n;  i+=(i&(-i)))
    {
        tree[i]+=val;
    }
}
long long sum (long long ind)
{
    pas=0;
    for (int i=ind; i>0; i-=(i&(-i)))
    pas+=tree[i];
    
    return pas;
}
long long count_swaps(std::vector <int> v)
{
	n=v.size()/2;
	for (long long i=1; i<=2*n; i++)
	{
		a[i]=v[i-1];
	}
	for (long long  i=1; i<=2*n; i++)
	{
		inc(i,1);
	}
	for(long long i=1; i<=2*n; i++)
	{
	    if (a[i]>=0)
		{
			w=a[i];
			if (q[0][a[i]].size()==0)
			{
				q[1][a[i]].push(i);
				//inc(q[2][a[i]].front(),1);
			}
			else
			{
				ans+=sum(i-1)-sum(q[0][a[i]].front()-1)-1;
				inc(q[0][a[i]].front(),1);
				inc(i,-1);
				q[0][a[i]].pop();
			}
		}	
			else
			{
			 	if (q[1][-a[i]].size()==0)
				{
				 	q[0][-a[i]].push(i);
				// 	inc(q[1][-a[i]].front(),1);
				}   
				else
				{
				ans+=sum(i-1)-sum(q[1][-a[i]].front()-1);
			//	ans++;
				inc(q[1][-a[i]].front(),1);
				inc(i,-1);
				q[1][-a[i]].pop();
				}
			}
	}
	return ans;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7036 KB	Output is correct
2	Correct	8 ms	7160 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7036 KB	Output is correct
2	Correct	8 ms	7160 KB	Output is correct
3	Correct	10 ms	7032 KB	Output is correct
4	Correct	10 ms	7160 KB	Output is correct
5	Correct	10 ms	7032 KB	Output is correct
6	Correct	9 ms	7024 KB	Output is correct
7	Correct	8 ms	7032 KB	Output is correct
8	Correct	10 ms	7160 KB	Output is correct
9	Correct	9 ms	7032 KB	Output is correct
10	Correct	8 ms	7032 KB	Output is correct
11	Correct	8 ms	7160 KB	Output is correct
12	Correct	9 ms	7160 KB	Output is correct
13	Correct	8 ms	7032 KB	Output is correct
14	Correct	9 ms	7032 KB	Output is correct
15	Correct	9 ms	7032 KB	Output is correct
16	Correct	8 ms	7032 KB	Output is correct
17	Correct	9 ms	7032 KB	Output is correct
18	Correct	8 ms	7032 KB	Output is correct
19	Correct	9 ms	7132 KB	Output is correct
20	Correct	8 ms	7032 KB	Output is correct
21	Correct	9 ms	7160 KB	Output is correct
22	Correct	8 ms	7160 KB	Output is correct
23	Correct	8 ms	7032 KB	Output is correct
24	Correct	8 ms	7032 KB	Output is correct
25	Correct	8 ms	7032 KB	Output is correct
26	Correct	8 ms	7032 KB	Output is correct
27	Correct	8 ms	7032 KB	Output is correct
28	Correct	8 ms	7160 KB	Output is correct
29	Correct	8 ms	7160 KB	Output is correct
30	Correct	8 ms	7040 KB	Output is correct
31	Correct	8 ms	7160 KB	Output is correct
32	Correct	8 ms	7160 KB	Output is correct
33	Correct	9 ms	7160 KB	Output is correct
34	Correct	8 ms	7032 KB	Output is correct
35	Correct	8 ms	7032 KB	Output is correct
36	Correct	8 ms	7032 KB	Output is correct

Subtask #3

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7036 KB	Output is correct
2	Correct	8 ms	7160 KB	Output is correct
3	Correct	8 ms	7032 KB	Output is correct
4	Correct	9 ms	7160 KB	Output is correct
5	Correct	8 ms	7160 KB	Output is correct
6	Correct	8 ms	7160 KB	Output is correct
7	Correct	9 ms	7032 KB	Output is correct
8	Correct	8 ms	7032 KB	Output is correct
9	Correct	8 ms	7032 KB	Output is correct
10	Correct	8 ms	7036 KB	Output is correct
11	Correct	8 ms	7032 KB	Output is correct
12	Correct	8 ms	7032 KB	Output is correct
13	Correct	8 ms	7160 KB	Output is correct
14	Correct	9 ms	7160 KB	Output is correct
15	Correct	8 ms	7160 KB	Output is correct
16	Correct	9 ms	7160 KB	Output is correct
17	Correct	8 ms	7032 KB	Output is correct
18	Correct	9 ms	7160 KB	Output is correct
19	Correct	10 ms	7160 KB	Output is correct
20	Correct	13 ms	7672 KB	Output is correct
21	Runtime error	21 ms	15224 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
22	Halted	0 ms	0 KB	-

Subtask #4

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7032 KB	Output is correct
2	Correct	9 ms	7032 KB	Output is correct
3	Correct	8 ms	7160 KB	Output is correct
4	Correct	9 ms	7160 KB	Output is correct
5	Runtime error	50 ms	20188 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
6	Halted	0 ms	0 KB	-

Subtask #5

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7036 KB	Output is correct
2	Correct	8 ms	7160 KB	Output is correct
3	Correct	10 ms	7032 KB	Output is correct
4	Correct	10 ms	7160 KB	Output is correct
5	Correct	10 ms	7032 KB	Output is correct
6	Correct	9 ms	7024 KB	Output is correct
7	Correct	8 ms	7032 KB	Output is correct
8	Correct	10 ms	7160 KB	Output is correct
9	Correct	9 ms	7032 KB	Output is correct
10	Correct	8 ms	7032 KB	Output is correct
11	Correct	8 ms	7160 KB	Output is correct
12	Correct	9 ms	7160 KB	Output is correct
13	Correct	8 ms	7032 KB	Output is correct
14	Correct	9 ms	7032 KB	Output is correct
15	Correct	9 ms	7032 KB	Output is correct
16	Correct	8 ms	7032 KB	Output is correct
17	Correct	9 ms	7032 KB	Output is correct
18	Correct	8 ms	7032 KB	Output is correct
19	Correct	9 ms	7132 KB	Output is correct
20	Correct	8 ms	7032 KB	Output is correct
21	Correct	9 ms	7160 KB	Output is correct
22	Correct	8 ms	7160 KB	Output is correct
23	Correct	8 ms	7032 KB	Output is correct
24	Correct	8 ms	7032 KB	Output is correct
25	Correct	8 ms	7032 KB	Output is correct
26	Correct	8 ms	7032 KB	Output is correct
27	Correct	8 ms	7032 KB	Output is correct
28	Correct	8 ms	7160 KB	Output is correct
29	Correct	8 ms	7160 KB	Output is correct
30	Correct	8 ms	7040 KB	Output is correct
31	Correct	8 ms	7160 KB	Output is correct
32	Correct	8 ms	7160 KB	Output is correct
33	Correct	9 ms	7160 KB	Output is correct
34	Correct	8 ms	7032 KB	Output is correct
35	Correct	8 ms	7032 KB	Output is correct
36	Correct	8 ms	7032 KB	Output is correct
37	Correct	8 ms	7160 KB	Output is correct
38	Correct	10 ms	7032 KB	Output is correct
39	Correct	8 ms	7032 KB	Output is correct
40	Correct	9 ms	7136 KB	Output is correct
41	Correct	9 ms	7160 KB	Output is correct
42	Correct	9 ms	7160 KB	Output is correct
43	Correct	9 ms	7160 KB	Output is correct
44	Correct	9 ms	7160 KB	Output is correct
45	Correct	8 ms	7160 KB	Output is correct
46	Correct	8 ms	7160 KB	Output is correct
47	Correct	9 ms	7288 KB	Output is correct
48	Correct	8 ms	7160 KB	Output is correct
49	Correct	9 ms	7164 KB	Output is correct
50	Correct	9 ms	7164 KB	Output is correct
51	Correct	8 ms	7160 KB	Output is correct
52	Correct	9 ms	7160 KB	Output is correct

Subtask #6

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	7036 KB	Output is correct
2	Correct	8 ms	7160 KB	Output is correct
3	Correct	10 ms	7032 KB	Output is correct
4	Correct	10 ms	7160 KB	Output is correct
5	Correct	10 ms	7032 KB	Output is correct
6	Correct	9 ms	7024 KB	Output is correct
7	Correct	8 ms	7032 KB	Output is correct
8	Correct	10 ms	7160 KB	Output is correct
9	Correct	9 ms	7032 KB	Output is correct
10	Correct	8 ms	7032 KB	Output is correct
11	Correct	8 ms	7160 KB	Output is correct
12	Correct	9 ms	7160 KB	Output is correct
13	Correct	8 ms	7032 KB	Output is correct
14	Correct	9 ms	7032 KB	Output is correct
15	Correct	9 ms	7032 KB	Output is correct
16	Correct	8 ms	7032 KB	Output is correct
17	Correct	9 ms	7032 KB	Output is correct
18	Correct	8 ms	7032 KB	Output is correct
19	Correct	9 ms	7132 KB	Output is correct
20	Correct	8 ms	7032 KB	Output is correct
21	Correct	9 ms	7160 KB	Output is correct
22	Correct	8 ms	7160 KB	Output is correct
23	Correct	8 ms	7032 KB	Output is correct
24	Correct	8 ms	7032 KB	Output is correct
25	Correct	8 ms	7032 KB	Output is correct
26	Correct	8 ms	7032 KB	Output is correct
27	Correct	8 ms	7032 KB	Output is correct
28	Correct	8 ms	7160 KB	Output is correct
29	Correct	8 ms	7160 KB	Output is correct
30	Correct	8 ms	7040 KB	Output is correct
31	Correct	8 ms	7160 KB	Output is correct
32	Correct	8 ms	7160 KB	Output is correct
33	Correct	9 ms	7160 KB	Output is correct
34	Correct	8 ms	7032 KB	Output is correct
35	Correct	8 ms	7032 KB	Output is correct
36	Correct	8 ms	7032 KB	Output is correct
37	Correct	8 ms	7032 KB	Output is correct
38	Correct	9 ms	7160 KB	Output is correct
39	Correct	8 ms	7160 KB	Output is correct
40	Correct	8 ms	7160 KB	Output is correct
41	Correct	9 ms	7032 KB	Output is correct
42	Correct	8 ms	7032 KB	Output is correct
43	Correct	8 ms	7032 KB	Output is correct
44	Correct	8 ms	7036 KB	Output is correct
45	Correct	8 ms	7032 KB	Output is correct
46	Correct	8 ms	7032 KB	Output is correct
47	Correct	8 ms	7160 KB	Output is correct
48	Correct	9 ms	7160 KB	Output is correct
49	Correct	8 ms	7160 KB	Output is correct
50	Correct	9 ms	7160 KB	Output is correct
51	Correct	8 ms	7032 KB	Output is correct
52	Correct	9 ms	7160 KB	Output is correct
53	Correct	10 ms	7160 KB	Output is correct
54	Correct	13 ms	7672 KB	Output is correct
55	Runtime error	21 ms	15224 KB	Execution killed with signal 11 (could be triggered by violating memory limits)
56	Halted	0 ms	0 KB	-