oj.uz

Submission #147052

# Submission time Handle Problem Language Result Execution time Memory
147052 2019-08-27T10:24:18 Z gs18115 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 158 ms 73716 KB 
#include"shoes.h"
#include<queue>
#include<algorithm>
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const ll inf=1e18;
struct fenwick
{
	ll dat[200010];
	inline void FI(int x,int p)
	{
		for(x++;x<200010;x+=x&-x)
			dat[x]+=p;
		return;
	}
	inline ll FS(int x)
	{
		ll ans=0;
		for(x++;x>0;x=x&x-1)
			ans+=dat[x];
		return ans;
	}
}FT;
queue<int>v[100010];
long long count_swaps(vector<int>s)
{
	ll ans=0;
	int n=s.size()/2;
	int i;
	for(i=0;i<n*2;i++)
	{
		FT.FI(i,1);
		if(s[i]>0)
			v[s[i]].push(i);
	}
	vector<pi>V;
	for(i=0;i<n*2;i++)
	{
		if(s[i]<0)
		{
			int t=v[-s[i]].front();
			v[-s[i]].pop();
			if(i<t)
				V.eb(i,t);
			else
				V.eb(t,i);
		}
	}
	sort(all(V));
	for(i=0;i<n;i++)
	{
		int q=V[i].fi;
		int t=V[i].se;
		if(s[q]>0)
			ans++;
		FT.FI(t,-1);
		ans+=FT.FS(t)-FT.FS(q);
	}
	return ans;
}

Compilation message

shoes.cpp: In member function 'll fenwick::FS(int)':
shoes.cpp:25:20: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   for(x++;x>0;x=x&x-1)
                   ~^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 67704 KB Output is correct
2 Correct 68 ms 67704 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 67704 KB Output is correct
2 Correct 68 ms 67704 KB Output is correct
3 Correct 70 ms 67696 KB Output is correct
4 Correct 81 ms 67704 KB Output is correct
5 Correct 70 ms 67704 KB Output is correct
6 Correct 69 ms 67796 KB Output is correct
7 Correct 69 ms 67704 KB Output is correct
8 Correct 72 ms 67704 KB Output is correct
9 Correct 70 ms 67704 KB Output is correct
10 Correct 68 ms 67704 KB Output is correct
11 Correct 71 ms 67704 KB Output is correct
12 Correct 71 ms 67676 KB Output is correct
13 Correct 73 ms 67704 KB Output is correct
14 Correct 69 ms 67700 KB Output is correct
15 Correct 71 ms 67704 KB Output is correct
16 Correct 73 ms 67708 KB Output is correct
17 Correct 69 ms 67656 KB Output is correct
18 Correct 71 ms 67704 KB Output is correct
19 Correct 70 ms 67636 KB Output is correct
20 Correct 69 ms 67596 KB Output is correct
21 Correct 77 ms 67832 KB Output is correct
22 Correct 69 ms 67704 KB Output is correct
23 Correct 69 ms 67672 KB Output is correct
24 Correct 70 ms 67704 KB Output is correct
25 Correct 69 ms 67704 KB Output is correct
26 Correct 70 ms 67616 KB Output is correct
27 Correct 69 ms 67636 KB Output is correct
28 Correct 71 ms 67704 KB Output is correct
29 Correct 69 ms 67804 KB Output is correct
30 Correct 70 ms 67704 KB Output is correct
31 Correct 70 ms 67704 KB Output is correct
32 Correct 71 ms 67704 KB Output is correct
33 Correct 71 ms 67704 KB Output is correct
34 Correct 71 ms 67832 KB Output is correct
35 Correct 70 ms 67704 KB Output is correct
36 Correct 70 ms 67708 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 67704 KB Output is correct
2 Correct 68 ms 67704 KB Output is correct
3 Correct 70 ms 67616 KB Output is correct
4 Correct 69 ms 67704 KB Output is correct
5 Correct 70 ms 67668 KB Output is correct
6 Correct 69 ms 67704 KB Output is correct
7 Correct 70 ms 67604 KB Output is correct
8 Correct 69 ms 67704 KB Output is correct
9 Correct 70 ms 67712 KB Output is correct
10 Correct 69 ms 67720 KB Output is correct
11 Correct 86 ms 67704 KB Output is correct
12 Correct 84 ms 67704 KB Output is correct
13 Correct 71 ms 67708 KB Output is correct
14 Correct 71 ms 67684 KB Output is correct
15 Correct 70 ms 67704 KB Output is correct
16 Correct 70 ms 67704 KB Output is correct
17 Correct 75 ms 67708 KB Output is correct
18 Correct 75 ms 67704 KB Output is correct
19 Correct 76 ms 67704 KB Output is correct
20 Correct 80 ms 68344 KB Output is correct
21 Correct 85 ms 68472 KB Output is correct
22 Correct 119 ms 73704 KB Output is correct
23 Correct 132 ms 73588 KB Output is correct
24 Correct 129 ms 73588 KB Output is correct
25 Correct 115 ms 73376 KB Output is correct
26 Correct 122 ms 73716 KB Output is correct
27 Correct 112 ms 73352 KB Output is correct
28 Correct 114 ms 73588 KB Output is correct
29 Correct 115 ms 73584 KB Output is correct
30 Correct 112 ms 73592 KB Output is correct
31 Correct 117 ms 73560 KB Output is correct
32 Correct 113 ms 73660 KB Output is correct
33 Correct 113 ms 73412 KB Output is correct
34 Correct 114 ms 73588 KB Output is correct
35 Correct 85 ms 67704 KB Output is correct
36 Correct 78 ms 67700 KB Output is correct
37 Correct 112 ms 73604 KB Output is correct
38 Correct 116 ms 73688 KB Output is correct
39 Correct 125 ms 73584 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 67704 KB Output is correct
2 Correct 69 ms 67704 KB Output is correct
3 Correct 69 ms 67708 KB Output is correct
4 Correct 70 ms 67752 KB Output is correct
5 Correct 133 ms 72924 KB Output is correct
6 Correct 122 ms 73072 KB Output is correct
7 Correct 133 ms 72908 KB Output is correct
8 Correct 119 ms 73644 KB Output is correct
9 Correct 134 ms 73204 KB Output is correct
10 Correct 130 ms 73200 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 67704 KB Output is correct
2 Correct 68 ms 67704 KB Output is correct
3 Correct 70 ms 67696 KB Output is correct
4 Correct 81 ms 67704 KB Output is correct
5 Correct 70 ms 67704 KB Output is correct
6 Correct 69 ms 67796 KB Output is correct
7 Correct 69 ms 67704 KB Output is correct
8 Correct 72 ms 67704 KB Output is correct
9 Correct 70 ms 67704 KB Output is correct
10 Correct 68 ms 67704 KB Output is correct
11 Correct 71 ms 67704 KB Output is correct
12 Correct 71 ms 67676 KB Output is correct
13 Correct 73 ms 67704 KB Output is correct
14 Correct 69 ms 67700 KB Output is correct
15 Correct 71 ms 67704 KB Output is correct
16 Correct 73 ms 67708 KB Output is correct
17 Correct 69 ms 67656 KB Output is correct
18 Correct 71 ms 67704 KB Output is correct
19 Correct 70 ms 67636 KB Output is correct
20 Correct 69 ms 67596 KB Output is correct
21 Correct 77 ms 67832 KB Output is correct
22 Correct 69 ms 67704 KB Output is correct
23 Correct 69 ms 67672 KB Output is correct
24 Correct 70 ms 67704 KB Output is correct
25 Correct 69 ms 67704 KB Output is correct
26 Correct 70 ms 67616 KB Output is correct
27 Correct 69 ms 67636 KB Output is correct
28 Correct 71 ms 67704 KB Output is correct
29 Correct 69 ms 67804 KB Output is correct
30 Correct 70 ms 67704 KB Output is correct
31 Correct 70 ms 67704 KB Output is correct
32 Correct 71 ms 67704 KB Output is correct
33 Correct 71 ms 67704 KB Output is correct
34 Correct 71 ms 67832 KB Output is correct
35 Correct 70 ms 67704 KB Output is correct
36 Correct 70 ms 67708 KB Output is correct
37 Correct 70 ms 67644 KB Output is correct
38 Correct 71 ms 67704 KB Output is correct
39 Correct 70 ms 67604 KB Output is correct
40 Correct 70 ms 67884 KB Output is correct
41 Correct 72 ms 67668 KB Output is correct
42 Correct 71 ms 67704 KB Output is correct
43 Correct 71 ms 67704 KB Output is correct
44 Correct 70 ms 67692 KB Output is correct
45 Correct 70 ms 67704 KB Output is correct
46 Correct 71 ms 67704 KB Output is correct
47 Correct 87 ms 67704 KB Output is correct
48 Correct 72 ms 67704 KB Output is correct
49 Correct 72 ms 67704 KB Output is correct
50 Correct 85 ms 67696 KB Output is correct
51 Correct 82 ms 67832 KB Output is correct
52 Correct 71 ms 67704 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 69 ms 67704 KB Output is correct
2 Correct 68 ms 67704 KB Output is correct
3 Correct 70 ms 67696 KB Output is correct
4 Correct 81 ms 67704 KB Output is correct
5 Correct 70 ms 67704 KB Output is correct
6 Correct 69 ms 67796 KB Output is correct
7 Correct 69 ms 67704 KB Output is correct
8 Correct 72 ms 67704 KB Output is correct
9 Correct 70 ms 67704 KB Output is correct
10 Correct 68 ms 67704 KB Output is correct
11 Correct 71 ms 67704 KB Output is correct
12 Correct 71 ms 67676 KB Output is correct
13 Correct 73 ms 67704 KB Output is correct
14 Correct 69 ms 67700 KB Output is correct
15 Correct 71 ms 67704 KB Output is correct
16 Correct 73 ms 67708 KB Output is correct
17 Correct 69 ms 67656 KB Output is correct
18 Correct 71 ms 67704 KB Output is correct
19 Correct 70 ms 67636 KB Output is correct
20 Correct 69 ms 67596 KB Output is correct
21 Correct 77 ms 67832 KB Output is correct
22 Correct 69 ms 67704 KB Output is correct
23 Correct 69 ms 67672 KB Output is correct
24 Correct 70 ms 67704 KB Output is correct
25 Correct 69 ms 67704 KB Output is correct
26 Correct 70 ms 67616 KB Output is correct
27 Correct 69 ms 67636 KB Output is correct
28 Correct 71 ms 67704 KB Output is correct
29 Correct 69 ms 67804 KB Output is correct
30 Correct 70 ms 67704 KB Output is correct
31 Correct 70 ms 67704 KB Output is correct
32 Correct 71 ms 67704 KB Output is correct
33 Correct 71 ms 67704 KB Output is correct
34 Correct 71 ms 67832 KB Output is correct
35 Correct 70 ms 67704 KB Output is correct
36 Correct 70 ms 67708 KB Output is correct
37 Correct 70 ms 67616 KB Output is correct
38 Correct 69 ms 67704 KB Output is correct
39 Correct 70 ms 67668 KB Output is correct
40 Correct 69 ms 67704 KB Output is correct
41 Correct 70 ms 67604 KB Output is correct
42 Correct 69 ms 67704 KB Output is correct
43 Correct 70 ms 67712 KB Output is correct
44 Correct 69 ms 67720 KB Output is correct
45 Correct 86 ms 67704 KB Output is correct
46 Correct 84 ms 67704 KB Output is correct
47 Correct 71 ms 67708 KB Output is correct
48 Correct 71 ms 67684 KB Output is correct
49 Correct 70 ms 67704 KB Output is correct
50 Correct 70 ms 67704 KB Output is correct
51 Correct 75 ms 67708 KB Output is correct
52 Correct 75 ms 67704 KB Output is correct
53 Correct 76 ms 67704 KB Output is correct
54 Correct 80 ms 68344 KB Output is correct
55 Correct 85 ms 68472 KB Output is correct
56 Correct 119 ms 73704 KB Output is correct
57 Correct 132 ms 73588 KB Output is correct
58 Correct 129 ms 73588 KB Output is correct
59 Correct 115 ms 73376 KB Output is correct
60 Correct 122 ms 73716 KB Output is correct
61 Correct 112 ms 73352 KB Output is correct
62 Correct 114 ms 73588 KB Output is correct
63 Correct 115 ms 73584 KB Output is correct
64 Correct 112 ms 73592 KB Output is correct
65 Correct 117 ms 73560 KB Output is correct
66 Correct 113 ms 73660 KB Output is correct
67 Correct 113 ms 73412 KB Output is correct
68 Correct 114 ms 73588 KB Output is correct
69 Correct 85 ms 67704 KB Output is correct
70 Correct 78 ms 67700 KB Output is correct
71 Correct 112 ms 73604 KB Output is correct
72 Correct 116 ms 73688 KB Output is correct
73 Correct 125 ms 73584 KB Output is correct
74 Correct 71 ms 67704 KB Output is correct
75 Correct 69 ms 67704 KB Output is correct
76 Correct 69 ms 67708 KB Output is correct
77 Correct 70 ms 67752 KB Output is correct
78 Correct 133 ms 72924 KB Output is correct
79 Correct 122 ms 73072 KB Output is correct
80 Correct 133 ms 72908 KB Output is correct
81 Correct 119 ms 73644 KB Output is correct
82 Correct 134 ms 73204 KB Output is correct
83 Correct 130 ms 73200 KB Output is correct
84 Correct 70 ms 67644 KB Output is correct
85 Correct 71 ms 67704 KB Output is correct
86 Correct 70 ms 67604 KB Output is correct
87 Correct 70 ms 67884 KB Output is correct
88 Correct 72 ms 67668 KB Output is correct
89 Correct 71 ms 67704 KB Output is correct
90 Correct 71 ms 67704 KB Output is correct
91 Correct 70 ms 67692 KB Output is correct
92 Correct 70 ms 67704 KB Output is correct
93 Correct 71 ms 67704 KB Output is correct
94 Correct 87 ms 67704 KB Output is correct
95 Correct 72 ms 67704 KB Output is correct
96 Correct 72 ms 67704 KB Output is correct
97 Correct 85 ms 67696 KB Output is correct
98 Correct 82 ms 67832 KB Output is correct
99 Correct 71 ms 67704 KB Output is correct
100 Correct 72 ms 67692 KB Output is correct
101 Correct 78 ms 68368 KB Output is correct
102 Correct 78 ms 68344 KB Output is correct
103 Correct 152 ms 73196 KB Output is correct
104 Correct 136 ms 73200 KB Output is correct
105 Correct 153 ms 73200 KB Output is correct
106 Correct 158 ms 73200 KB Output is correct
107 Correct 143 ms 73328 KB Output is correct
108 Correct 141 ms 73172 KB Output is correct
109 Correct 124 ms 73632 KB Output is correct
110 Correct 116 ms 73716 KB Output is correct
111 Correct 132 ms 73200 KB Output is correct
112 Correct 144 ms 73200 KB Output is correct
113 Correct 125 ms 73200 KB Output is correct
114 Correct 133 ms 73172 KB Output is correct
115 Correct 136 ms 73224 KB Output is correct