oj.uz

답안 #162810

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
162810 2019-11-09T19:45:27 Z kikkatugno Arranging Shoes (IOI19_shoes) C++14
100 / 100
 381 ms 14716 KB 
#include<iostream>
#include<set>
#include<vector>
using namespace::std;
 
set<pair<int,int>> s;
int st[800005];
 
int query(int i,int l,int r,int s,int e){
	if(s<=l && r<=e)
		return st[i];
	if(s>=r || e<=l)
		return 0;
	int mid=l+(r-l)/2;
	return query(i*2,l,mid,s,e)+query(i*2+1,mid,r,s,e);
}
 
void point_upd(int i,int l,int r,int ind){
	if(l+1==r && l==ind){
		st[i]++;
		return;
	}
	if(ind>=r || ind<l)
		return ;
	int mid=l+(r-l)/2;
	st[i]++;
	if(ind>=mid)
		point_upd(i*2+1,mid,r,ind);
	else point_upd(i*2,l,mid,ind);
}
 
long long int count_swaps(vector<int,allocator<int>> ar){
	int n=ar.size()/2;
	//cin>>n;
	long long int ans=0;
	for(int i=0;i<2*n;i++)
		/*cin>>ar[i],*/s.insert({ar[i],i});
	//build(1,0,2*n);
	for(int i=0;i<2*n;i++)
		if(s.find({ar[i],i})!=s.end()){
			pair<int,int> t=*(s.lower_bound({-ar[i],0}));
			ans+=t.second-i-(ar[i]<0)-query(1,0,2*n,i,t.second);
			//cout<<t.second<<' '<<i<<' '<<ar[i]<<' '<<query(1,0,2*n,i,t.second)<<'\n';
			point_upd(1,0,2*n,t.second);
			s.erase({ar[i],i});
			s.erase(t);
		}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 360 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 10 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 0 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 404 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 14 ms 1784 KB Output is correct
21 Correct 14 ms 1784 KB Output is correct
22 Correct 156 ms 14596 KB Output is correct
23 Correct 199 ms 14680 KB Output is correct
24 Correct 158 ms 14584 KB Output is correct
25 Correct 165 ms 13488 KB Output is correct
26 Correct 154 ms 14652 KB Output is correct
27 Correct 183 ms 14408 KB Output is correct
28 Correct 167 ms 13560 KB Output is correct
29 Correct 164 ms 13560 KB Output is correct
30 Correct 168 ms 13560 KB Output is correct
31 Correct 162 ms 14652 KB Output is correct
32 Correct 164 ms 13560 KB Output is correct
33 Correct 164 ms 13560 KB Output is correct
34 Correct 167 ms 13596 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 167 ms 13628 KB Output is correct
38 Correct 165 ms 13688 KB Output is correct
39 Correct 166 ms 13588 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 292 ms 13524 KB Output is correct
6 Correct 290 ms 13692 KB Output is correct
7 Correct 284 ms 13724 KB Output is correct
8 Correct 149 ms 13560 KB Output is correct
9 Correct 278 ms 13564 KB Output is correct
10 Correct 299 ms 13688 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 360 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 10 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 0 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 256 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 4 ms 504 KB Output is correct
42 Correct 4 ms 376 KB Output is correct
43 Correct 4 ms 476 KB Output is correct
44 Correct 3 ms 380 KB Output is correct
45 Correct 4 ms 408 KB Output is correct
46 Correct 3 ms 380 KB Output is correct
47 Correct 4 ms 504 KB Output is correct
48 Correct 4 ms 504 KB Output is correct
49 Correct 4 ms 376 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 504 KB Output is correct
52 Correct 3 ms 504 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 360 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 10 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 0 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 256 KB Output is correct
40 Correct 2 ms 404 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 256 KB Output is correct
44 Correct 2 ms 256 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 256 KB Output is correct
48 Correct 2 ms 256 KB Output is correct
49 Correct 2 ms 256 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 14 ms 1784 KB Output is correct
55 Correct 14 ms 1784 KB Output is correct
56 Correct 156 ms 14596 KB Output is correct
57 Correct 199 ms 14680 KB Output is correct
58 Correct 158 ms 14584 KB Output is correct
59 Correct 165 ms 13488 KB Output is correct
60 Correct 154 ms 14652 KB Output is correct
61 Correct 183 ms 14408 KB Output is correct
62 Correct 167 ms 13560 KB Output is correct
63 Correct 164 ms 13560 KB Output is correct
64 Correct 168 ms 13560 KB Output is correct
65 Correct 162 ms 14652 KB Output is correct
66 Correct 164 ms 13560 KB Output is correct
67 Correct 164 ms 13560 KB Output is correct
68 Correct 167 ms 13596 KB Output is correct
69 Correct 2 ms 256 KB Output is correct
70 Correct 2 ms 376 KB Output is correct
71 Correct 167 ms 13628 KB Output is correct
72 Correct 165 ms 13688 KB Output is correct
73 Correct 166 ms 13588 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 364 KB Output is correct
77 Correct 2 ms 256 KB Output is correct
78 Correct 292 ms 13524 KB Output is correct
79 Correct 290 ms 13692 KB Output is correct
80 Correct 284 ms 13724 KB Output is correct
81 Correct 149 ms 13560 KB Output is correct
82 Correct 278 ms 13564 KB Output is correct
83 Correct 299 ms 13688 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 3 ms 256 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 2 ms 376 KB Output is correct
88 Correct 4 ms 504 KB Output is correct
89 Correct 4 ms 376 KB Output is correct
90 Correct 4 ms 476 KB Output is correct
91 Correct 3 ms 380 KB Output is correct
92 Correct 4 ms 408 KB Output is correct
93 Correct 3 ms 380 KB Output is correct
94 Correct 4 ms 504 KB Output is correct
95 Correct 4 ms 504 KB Output is correct
96 Correct 4 ms 376 KB Output is correct
97 Correct 3 ms 376 KB Output is correct
98 Correct 3 ms 504 KB Output is correct
99 Correct 3 ms 504 KB Output is correct
100 Correct 4 ms 504 KB Output is correct
101 Correct 24 ms 1912 KB Output is correct
102 Correct 25 ms 1856 KB Output is correct
103 Correct 368 ms 14680 KB Output is correct
104 Correct 293 ms 14556 KB Output is correct
105 Correct 381 ms 14648 KB Output is correct
106 Correct 275 ms 13560 KB Output is correct
107 Correct 316 ms 14584 KB Output is correct
108 Correct 324 ms 14716 KB Output is correct
109 Correct 151 ms 13572 KB Output is correct
110 Correct 165 ms 13688 KB Output is correct
111 Correct 288 ms 13652 KB Output is correct
112 Correct 365 ms 14584 KB Output is correct
113 Correct 348 ms 13760 KB Output is correct
114 Correct 279 ms 13660 KB Output is correct
115 Correct 365 ms 13692 KB Output is correct