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Submission #157687

# Submission time Handle Problem Language Result Execution time Memory
157687 2019-10-12T17:40:57 Z lukameladze Arranging Shoes (IOI19_shoes) C++14
100 / 100
 445 ms 276668 KB 
# include <bits/stdc++.h>
using namespace std;
long long n,a[200005],pas,tree[200005],ans,w,w1,fix[200005];
queue <long long> q[2][200005];
void inc (long long ind,long long val)
{
    for (long long 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 276 ms 269660 KB Output is correct
2 Correct 280 ms 269548 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269660 KB Output is correct
2 Correct 280 ms 269548 KB Output is correct
3 Correct 285 ms 269624 KB Output is correct
4 Correct 278 ms 269688 KB Output is correct
5 Correct 290 ms 269720 KB Output is correct
6 Correct 319 ms 269684 KB Output is correct
7 Correct 283 ms 269580 KB Output is correct
8 Correct 282 ms 269724 KB Output is correct
9 Correct 311 ms 269572 KB Output is correct
10 Correct 293 ms 269688 KB Output is correct
11 Correct 321 ms 269688 KB Output is correct
12 Correct 287 ms 269568 KB Output is correct
13 Correct 288 ms 269624 KB Output is correct
14 Correct 278 ms 269668 KB Output is correct
15 Correct 280 ms 269676 KB Output is correct
16 Correct 279 ms 269660 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 276 ms 269604 KB Output is correct
19 Correct 283 ms 269688 KB Output is correct
20 Correct 289 ms 269560 KB Output is correct
21 Correct 283 ms 269728 KB Output is correct
22 Correct 298 ms 269692 KB Output is correct
23 Correct 278 ms 269560 KB Output is correct
24 Correct 282 ms 269616 KB Output is correct
25 Correct 319 ms 269740 KB Output is correct
26 Correct 279 ms 269560 KB Output is correct
27 Correct 282 ms 269660 KB Output is correct
28 Correct 279 ms 269616 KB Output is correct
29 Correct 280 ms 269552 KB Output is correct
30 Correct 282 ms 269608 KB Output is correct
31 Correct 292 ms 269560 KB Output is correct
32 Correct 277 ms 269624 KB Output is correct
33 Correct 281 ms 269816 KB Output is correct
34 Correct 276 ms 269672 KB Output is correct
35 Correct 278 ms 269688 KB Output is correct
36 Correct 278 ms 269592 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269660 KB Output is correct
2 Correct 280 ms 269548 KB Output is correct
3 Correct 278 ms 269624 KB Output is correct
4 Correct 299 ms 269816 KB Output is correct
5 Correct 295 ms 269732 KB Output is correct
6 Correct 278 ms 269560 KB Output is correct
7 Correct 302 ms 269548 KB Output is correct
8 Correct 277 ms 269648 KB Output is correct
9 Correct 327 ms 269560 KB Output is correct
10 Correct 282 ms 269736 KB Output is correct
11 Correct 279 ms 269560 KB Output is correct
12 Correct 278 ms 269700 KB Output is correct
13 Correct 282 ms 269816 KB Output is correct
14 Correct 280 ms 269592 KB Output is correct
15 Correct 280 ms 269576 KB Output is correct
16 Correct 445 ms 269688 KB Output is correct
17 Correct 283 ms 269688 KB Output is correct
18 Correct 279 ms 269816 KB Output is correct
19 Correct 278 ms 269640 KB Output is correct
20 Correct 336 ms 270308 KB Output is correct
21 Correct 310 ms 270328 KB Output is correct
22 Correct 321 ms 275760 KB Output is correct
23 Correct 317 ms 275704 KB Output is correct
24 Correct 322 ms 275576 KB Output is correct
25 Correct 331 ms 276384 KB Output is correct
26 Correct 319 ms 275576 KB Output is correct
27 Correct 325 ms 275576 KB Output is correct
28 Correct 329 ms 276408 KB Output is correct
29 Correct 330 ms 276472 KB Output is correct
30 Correct 323 ms 276344 KB Output is correct
31 Correct 327 ms 275628 KB Output is correct
32 Correct 347 ms 276504 KB Output is correct
33 Correct 332 ms 276216 KB Output is correct
34 Correct 366 ms 276548 KB Output is correct
35 Correct 280 ms 269560 KB Output is correct
36 Correct 279 ms 269508 KB Output is correct
37 Correct 339 ms 276572 KB Output is correct
38 Correct 349 ms 276600 KB Output is correct
39 Correct 342 ms 276448 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 278 ms 269548 KB Output is correct
2 Correct 279 ms 269660 KB Output is correct
3 Correct 277 ms 269560 KB Output is correct
4 Correct 275 ms 269560 KB Output is correct
5 Correct 359 ms 275652 KB Output is correct
6 Correct 336 ms 275704 KB Output is correct
7 Correct 354 ms 275704 KB Output is correct
8 Correct 344 ms 276408 KB Output is correct
9 Correct 377 ms 275608 KB Output is correct
10 Correct 350 ms 275576 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269660 KB Output is correct
2 Correct 280 ms 269548 KB Output is correct
3 Correct 285 ms 269624 KB Output is correct
4 Correct 278 ms 269688 KB Output is correct
5 Correct 290 ms 269720 KB Output is correct
6 Correct 319 ms 269684 KB Output is correct
7 Correct 283 ms 269580 KB Output is correct
8 Correct 282 ms 269724 KB Output is correct
9 Correct 311 ms 269572 KB Output is correct
10 Correct 293 ms 269688 KB Output is correct
11 Correct 321 ms 269688 KB Output is correct
12 Correct 287 ms 269568 KB Output is correct
13 Correct 288 ms 269624 KB Output is correct
14 Correct 278 ms 269668 KB Output is correct
15 Correct 280 ms 269676 KB Output is correct
16 Correct 279 ms 269660 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 276 ms 269604 KB Output is correct
19 Correct 283 ms 269688 KB Output is correct
20 Correct 289 ms 269560 KB Output is correct
21 Correct 283 ms 269728 KB Output is correct
22 Correct 298 ms 269692 KB Output is correct
23 Correct 278 ms 269560 KB Output is correct
24 Correct 282 ms 269616 KB Output is correct
25 Correct 319 ms 269740 KB Output is correct
26 Correct 279 ms 269560 KB Output is correct
27 Correct 282 ms 269660 KB Output is correct
28 Correct 279 ms 269616 KB Output is correct
29 Correct 280 ms 269552 KB Output is correct
30 Correct 282 ms 269608 KB Output is correct
31 Correct 292 ms 269560 KB Output is correct
32 Correct 277 ms 269624 KB Output is correct
33 Correct 281 ms 269816 KB Output is correct
34 Correct 276 ms 269672 KB Output is correct
35 Correct 278 ms 269688 KB Output is correct
36 Correct 278 ms 269592 KB Output is correct
37 Correct 280 ms 269752 KB Output is correct
38 Correct 277 ms 269560 KB Output is correct
39 Correct 322 ms 269688 KB Output is correct
40 Correct 344 ms 269688 KB Output is correct
41 Correct 284 ms 269700 KB Output is correct
42 Correct 274 ms 269688 KB Output is correct
43 Correct 278 ms 269812 KB Output is correct
44 Correct 279 ms 269660 KB Output is correct
45 Correct 281 ms 269688 KB Output is correct
46 Correct 284 ms 269616 KB Output is correct
47 Correct 281 ms 269764 KB Output is correct
48 Correct 274 ms 269660 KB Output is correct
49 Correct 282 ms 269644 KB Output is correct
50 Correct 307 ms 269604 KB Output is correct
51 Correct 295 ms 269744 KB Output is correct
52 Correct 280 ms 269760 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 276 ms 269660 KB Output is correct
2 Correct 280 ms 269548 KB Output is correct
3 Correct 285 ms 269624 KB Output is correct
4 Correct 278 ms 269688 KB Output is correct
5 Correct 290 ms 269720 KB Output is correct
6 Correct 319 ms 269684 KB Output is correct
7 Correct 283 ms 269580 KB Output is correct
8 Correct 282 ms 269724 KB Output is correct
9 Correct 311 ms 269572 KB Output is correct
10 Correct 293 ms 269688 KB Output is correct
11 Correct 321 ms 269688 KB Output is correct
12 Correct 287 ms 269568 KB Output is correct
13 Correct 288 ms 269624 KB Output is correct
14 Correct 278 ms 269668 KB Output is correct
15 Correct 280 ms 269676 KB Output is correct
16 Correct 279 ms 269660 KB Output is correct
17 Correct 281 ms 269688 KB Output is correct
18 Correct 276 ms 269604 KB Output is correct
19 Correct 283 ms 269688 KB Output is correct
20 Correct 289 ms 269560 KB Output is correct
21 Correct 283 ms 269728 KB Output is correct
22 Correct 298 ms 269692 KB Output is correct
23 Correct 278 ms 269560 KB Output is correct
24 Correct 282 ms 269616 KB Output is correct
25 Correct 319 ms 269740 KB Output is correct
26 Correct 279 ms 269560 KB Output is correct
27 Correct 282 ms 269660 KB Output is correct
28 Correct 279 ms 269616 KB Output is correct
29 Correct 280 ms 269552 KB Output is correct
30 Correct 282 ms 269608 KB Output is correct
31 Correct 292 ms 269560 KB Output is correct
32 Correct 277 ms 269624 KB Output is correct
33 Correct 281 ms 269816 KB Output is correct
34 Correct 276 ms 269672 KB Output is correct
35 Correct 278 ms 269688 KB Output is correct
36 Correct 278 ms 269592 KB Output is correct
37 Correct 278 ms 269624 KB Output is correct
38 Correct 299 ms 269816 KB Output is correct
39 Correct 295 ms 269732 KB Output is correct
40 Correct 278 ms 269560 KB Output is correct
41 Correct 302 ms 269548 KB Output is correct
42 Correct 277 ms 269648 KB Output is correct
43 Correct 327 ms 269560 KB Output is correct
44 Correct 282 ms 269736 KB Output is correct
45 Correct 279 ms 269560 KB Output is correct
46 Correct 278 ms 269700 KB Output is correct
47 Correct 282 ms 269816 KB Output is correct
48 Correct 280 ms 269592 KB Output is correct
49 Correct 280 ms 269576 KB Output is correct
50 Correct 445 ms 269688 KB Output is correct
51 Correct 283 ms 269688 KB Output is correct
52 Correct 279 ms 269816 KB Output is correct
53 Correct 278 ms 269640 KB Output is correct
54 Correct 336 ms 270308 KB Output is correct
55 Correct 310 ms 270328 KB Output is correct
56 Correct 321 ms 275760 KB Output is correct
57 Correct 317 ms 275704 KB Output is correct
58 Correct 322 ms 275576 KB Output is correct
59 Correct 331 ms 276384 KB Output is correct
60 Correct 319 ms 275576 KB Output is correct
61 Correct 325 ms 275576 KB Output is correct
62 Correct 329 ms 276408 KB Output is correct
63 Correct 330 ms 276472 KB Output is correct
64 Correct 323 ms 276344 KB Output is correct
65 Correct 327 ms 275628 KB Output is correct
66 Correct 347 ms 276504 KB Output is correct
67 Correct 332 ms 276216 KB Output is correct
68 Correct 366 ms 276548 KB Output is correct
69 Correct 280 ms 269560 KB Output is correct
70 Correct 279 ms 269508 KB Output is correct
71 Correct 339 ms 276572 KB Output is correct
72 Correct 349 ms 276600 KB Output is correct
73 Correct 342 ms 276448 KB Output is correct
74 Correct 278 ms 269548 KB Output is correct
75 Correct 279 ms 269660 KB Output is correct
76 Correct 277 ms 269560 KB Output is correct
77 Correct 275 ms 269560 KB Output is correct
78 Correct 359 ms 275652 KB Output is correct
79 Correct 336 ms 275704 KB Output is correct
80 Correct 354 ms 275704 KB Output is correct
81 Correct 344 ms 276408 KB Output is correct
82 Correct 377 ms 275608 KB Output is correct
83 Correct 350 ms 275576 KB Output is correct
84 Correct 280 ms 269752 KB Output is correct
85 Correct 277 ms 269560 KB Output is correct
86 Correct 322 ms 269688 KB Output is correct
87 Correct 344 ms 269688 KB Output is correct
88 Correct 284 ms 269700 KB Output is correct
89 Correct 274 ms 269688 KB Output is correct
90 Correct 278 ms 269812 KB Output is correct
91 Correct 279 ms 269660 KB Output is correct
92 Correct 281 ms 269688 KB Output is correct
93 Correct 284 ms 269616 KB Output is correct
94 Correct 281 ms 269764 KB Output is correct
95 Correct 274 ms 269660 KB Output is correct
96 Correct 282 ms 269644 KB Output is correct
97 Correct 307 ms 269604 KB Output is correct
98 Correct 295 ms 269744 KB Output is correct
99 Correct 280 ms 269760 KB Output is correct
100 Correct 283 ms 269948 KB Output is correct
101 Correct 285 ms 270200 KB Output is correct
102 Correct 286 ms 270172 KB Output is correct
103 Correct 362 ms 275536 KB Output is correct
104 Correct 342 ms 275576 KB Output is correct
105 Correct 354 ms 275628 KB Output is correct
106 Correct 358 ms 275832 KB Output is correct
107 Correct 336 ms 275540 KB Output is correct
108 Correct 341 ms 275532 KB Output is correct
109 Correct 327 ms 276480 KB Output is correct
110 Correct 328 ms 276668 KB Output is correct
111 Correct 357 ms 275740 KB Output is correct
112 Correct 364 ms 275628 KB Output is correct
113 Correct 339 ms 275548 KB Output is correct
114 Correct 355 ms 275660 KB Output is correct
115 Correct 354 ms 275576 KB Output is correct