답안 #288261

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
288261	2020-09-01T11:05:26 Z	amiratou	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	367 ms	31268 KB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
#include "ext/pb_ds/assoc_container.hpp"
using namespace std;
using namespace __gnu_pbds;
#define sz(x) (int)(x.size())
#define fi first
#define se second
template<typename T> using ordered_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
typedef long long ll;
typedef pair<int,int> ii;
const int MX = (int)(2e5+5);

int n;
vector<int> vec[2*MX];

ll count_swaps(vector<int> s) {	
	n=sz(s);
	ordered_set <ii> X;
	ll ans=0;
	for (int i = n-1; i >= 0; i--)
	{
		X.insert({i,s[i]});
		if(s[i]>0)vec[s[i]].push_back(i);
		else vec[-s[i]+n].push_back(i);
	}
	while(!X.empty()){
		ii f=(*X.begin()),m;
		if(f.se<0){
			vec[-f.se+n].pop_back();
			m={vec[-f.se].back(),-f.se};
			vec[-f.se].pop_back();
		}
		else{
			vec[f.se].pop_back();
			m={vec[f.se+n].back(),-f.se};
			vec[f.se+n].pop_back();
		}
		ans+=X.order_of_key(m)-1+(f.se>0);
		X.erase(X.begin()),X.erase(m);
	}
	return ans;
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct
3	Correct	7 ms	9760 KB	Output is correct
4	Correct	6 ms	9728 KB	Output is correct
5	Correct	6 ms	9728 KB	Output is correct
6	Correct	7 ms	9728 KB	Output is correct
7	Correct	6 ms	9728 KB	Output is correct
8	Correct	6 ms	9728 KB	Output is correct
9	Correct	6 ms	9728 KB	Output is correct
10	Correct	7 ms	9728 KB	Output is correct
11	Correct	7 ms	9728 KB	Output is correct
12	Correct	6 ms	9728 KB	Output is correct
13	Correct	6 ms	9728 KB	Output is correct
14	Correct	6 ms	9728 KB	Output is correct
15	Correct	7 ms	9728 KB	Output is correct
16	Correct	6 ms	9728 KB	Output is correct
17	Correct	7 ms	9728 KB	Output is correct
18	Correct	7 ms	9728 KB	Output is correct
19	Correct	6 ms	9728 KB	Output is correct
20	Correct	7 ms	9728 KB	Output is correct
21	Correct	7 ms	9728 KB	Output is correct
22	Correct	6 ms	9728 KB	Output is correct
23	Correct	6 ms	9728 KB	Output is correct
24	Correct	7 ms	9856 KB	Output is correct
25	Correct	7 ms	9728 KB	Output is correct
26	Correct	7 ms	9728 KB	Output is correct
27	Correct	7 ms	9728 KB	Output is correct
28	Correct	6 ms	9728 KB	Output is correct
29	Correct	6 ms	9728 KB	Output is correct
30	Correct	6 ms	9728 KB	Output is correct
31	Correct	7 ms	9728 KB	Output is correct
32	Correct	6 ms	9728 KB	Output is correct
33	Correct	6 ms	9728 KB	Output is correct
34	Correct	7 ms	9728 KB	Output is correct
35	Correct	6 ms	9640 KB	Output is correct
36	Correct	7 ms	9728 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct
3	Correct	6 ms	9728 KB	Output is correct
4	Correct	7 ms	9728 KB	Output is correct
5	Correct	7 ms	9856 KB	Output is correct
6	Correct	7 ms	9728 KB	Output is correct
7	Correct	7 ms	9728 KB	Output is correct
8	Correct	7 ms	9728 KB	Output is correct
9	Correct	7 ms	9728 KB	Output is correct
10	Correct	6 ms	9728 KB	Output is correct
11	Correct	7 ms	9728 KB	Output is correct
12	Correct	7 ms	9728 KB	Output is correct
13	Correct	7 ms	9728 KB	Output is correct
14	Correct	7 ms	9728 KB	Output is correct
15	Correct	6 ms	9728 KB	Output is correct
16	Correct	7 ms	9728 KB	Output is correct
17	Correct	7 ms	9728 KB	Output is correct
18	Correct	8 ms	9856 KB	Output is correct
19	Correct	8 ms	9856 KB	Output is correct
20	Correct	21 ms	11136 KB	Output is correct
21	Correct	23 ms	11136 KB	Output is correct
22	Correct	244 ms	24596 KB	Output is correct
23	Correct	234 ms	25776 KB	Output is correct
24	Correct	254 ms	25704 KB	Output is correct
25	Correct	212 ms	25588 KB	Output is correct
26	Correct	214 ms	25832 KB	Output is correct
27	Correct	241 ms	25748 KB	Output is correct
28	Correct	220 ms	25584 KB	Output is correct
29	Correct	217 ms	25712 KB	Output is correct
30	Correct	217 ms	25584 KB	Output is correct
31	Correct	243 ms	25576 KB	Output is correct
32	Correct	217 ms	25584 KB	Output is correct
33	Correct	213 ms	25584 KB	Output is correct
34	Correct	218 ms	25584 KB	Output is correct
35	Correct	7 ms	9728 KB	Output is correct
36	Correct	7 ms	9728 KB	Output is correct
37	Correct	220 ms	25712 KB	Output is correct
38	Correct	214 ms	25584 KB	Output is correct
39	Correct	216 ms	25584 KB	Output is correct

Subtask #4

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct
3	Correct	7 ms	9728 KB	Output is correct
4	Correct	6 ms	9728 KB	Output is correct
5	Correct	271 ms	30200 KB	Output is correct
6	Correct	165 ms	26360 KB	Output is correct
7	Correct	265 ms	31120 KB	Output is correct
8	Correct	194 ms	25592 KB	Output is correct
9	Correct	268 ms	31096 KB	Output is correct
10	Correct	200 ms	27960 KB	Output is correct

Subtask #5

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct
3	Correct	7 ms	9760 KB	Output is correct
4	Correct	6 ms	9728 KB	Output is correct
5	Correct	6 ms	9728 KB	Output is correct
6	Correct	7 ms	9728 KB	Output is correct
7	Correct	6 ms	9728 KB	Output is correct
8	Correct	6 ms	9728 KB	Output is correct
9	Correct	6 ms	9728 KB	Output is correct
10	Correct	7 ms	9728 KB	Output is correct
11	Correct	7 ms	9728 KB	Output is correct
12	Correct	6 ms	9728 KB	Output is correct
13	Correct	6 ms	9728 KB	Output is correct
14	Correct	6 ms	9728 KB	Output is correct
15	Correct	7 ms	9728 KB	Output is correct
16	Correct	6 ms	9728 KB	Output is correct
17	Correct	7 ms	9728 KB	Output is correct
18	Correct	7 ms	9728 KB	Output is correct
19	Correct	6 ms	9728 KB	Output is correct
20	Correct	7 ms	9728 KB	Output is correct
21	Correct	7 ms	9728 KB	Output is correct
22	Correct	6 ms	9728 KB	Output is correct
23	Correct	6 ms	9728 KB	Output is correct
24	Correct	7 ms	9856 KB	Output is correct
25	Correct	7 ms	9728 KB	Output is correct
26	Correct	7 ms	9728 KB	Output is correct
27	Correct	7 ms	9728 KB	Output is correct
28	Correct	6 ms	9728 KB	Output is correct
29	Correct	6 ms	9728 KB	Output is correct
30	Correct	6 ms	9728 KB	Output is correct
31	Correct	7 ms	9728 KB	Output is correct
32	Correct	6 ms	9728 KB	Output is correct
33	Correct	6 ms	9728 KB	Output is correct
34	Correct	7 ms	9728 KB	Output is correct
35	Correct	6 ms	9640 KB	Output is correct
36	Correct	7 ms	9728 KB	Output is correct
37	Correct	6 ms	9728 KB	Output is correct
38	Correct	6 ms	9728 KB	Output is correct
39	Correct	6 ms	9728 KB	Output is correct
40	Correct	7 ms	9728 KB	Output is correct
41	Correct	8 ms	9856 KB	Output is correct
42	Correct	8 ms	9856 KB	Output is correct
43	Correct	8 ms	9856 KB	Output is correct
44	Correct	8 ms	9856 KB	Output is correct
45	Correct	8 ms	9856 KB	Output is correct
46	Correct	8 ms	9856 KB	Output is correct
47	Correct	8 ms	9856 KB	Output is correct
48	Correct	8 ms	9856 KB	Output is correct
49	Correct	8 ms	9856 KB	Output is correct
50	Correct	8 ms	9856 KB	Output is correct
51	Correct	7 ms	9856 KB	Output is correct
52	Correct	8 ms	9856 KB	Output is correct

Subtask #6

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9728 KB	Output is correct
2	Correct	6 ms	9728 KB	Output is correct
3	Correct	7 ms	9760 KB	Output is correct
4	Correct	6 ms	9728 KB	Output is correct
5	Correct	6 ms	9728 KB	Output is correct
6	Correct	7 ms	9728 KB	Output is correct
7	Correct	6 ms	9728 KB	Output is correct
8	Correct	6 ms	9728 KB	Output is correct
9	Correct	6 ms	9728 KB	Output is correct
10	Correct	7 ms	9728 KB	Output is correct
11	Correct	7 ms	9728 KB	Output is correct
12	Correct	6 ms	9728 KB	Output is correct
13	Correct	6 ms	9728 KB	Output is correct
14	Correct	6 ms	9728 KB	Output is correct
15	Correct	7 ms	9728 KB	Output is correct
16	Correct	6 ms	9728 KB	Output is correct
17	Correct	7 ms	9728 KB	Output is correct
18	Correct	7 ms	9728 KB	Output is correct
19	Correct	6 ms	9728 KB	Output is correct
20	Correct	7 ms	9728 KB	Output is correct
21	Correct	7 ms	9728 KB	Output is correct
22	Correct	6 ms	9728 KB	Output is correct
23	Correct	6 ms	9728 KB	Output is correct
24	Correct	7 ms	9856 KB	Output is correct
25	Correct	7 ms	9728 KB	Output is correct
26	Correct	7 ms	9728 KB	Output is correct
27	Correct	7 ms	9728 KB	Output is correct
28	Correct	6 ms	9728 KB	Output is correct
29	Correct	6 ms	9728 KB	Output is correct
30	Correct	6 ms	9728 KB	Output is correct
31	Correct	7 ms	9728 KB	Output is correct
32	Correct	6 ms	9728 KB	Output is correct
33	Correct	6 ms	9728 KB	Output is correct
34	Correct	7 ms	9728 KB	Output is correct
35	Correct	6 ms	9640 KB	Output is correct
36	Correct	7 ms	9728 KB	Output is correct
37	Correct	6 ms	9728 KB	Output is correct
38	Correct	7 ms	9728 KB	Output is correct
39	Correct	7 ms	9856 KB	Output is correct
40	Correct	7 ms	9728 KB	Output is correct
41	Correct	7 ms	9728 KB	Output is correct
42	Correct	7 ms	9728 KB	Output is correct
43	Correct	7 ms	9728 KB	Output is correct
44	Correct	6 ms	9728 KB	Output is correct
45	Correct	7 ms	9728 KB	Output is correct
46	Correct	7 ms	9728 KB	Output is correct
47	Correct	7 ms	9728 KB	Output is correct
48	Correct	7 ms	9728 KB	Output is correct
49	Correct	6 ms	9728 KB	Output is correct
50	Correct	7 ms	9728 KB	Output is correct
51	Correct	7 ms	9728 KB	Output is correct
52	Correct	8 ms	9856 KB	Output is correct
53	Correct	8 ms	9856 KB	Output is correct
54	Correct	21 ms	11136 KB	Output is correct
55	Correct	23 ms	11136 KB	Output is correct
56	Correct	244 ms	24596 KB	Output is correct
57	Correct	234 ms	25776 KB	Output is correct
58	Correct	254 ms	25704 KB	Output is correct
59	Correct	212 ms	25588 KB	Output is correct
60	Correct	214 ms	25832 KB	Output is correct
61	Correct	241 ms	25748 KB	Output is correct
62	Correct	220 ms	25584 KB	Output is correct
63	Correct	217 ms	25712 KB	Output is correct
64	Correct	217 ms	25584 KB	Output is correct
65	Correct	243 ms	25576 KB	Output is correct
66	Correct	217 ms	25584 KB	Output is correct
67	Correct	213 ms	25584 KB	Output is correct
68	Correct	218 ms	25584 KB	Output is correct
69	Correct	7 ms	9728 KB	Output is correct
70	Correct	7 ms	9728 KB	Output is correct
71	Correct	220 ms	25712 KB	Output is correct
72	Correct	214 ms	25584 KB	Output is correct
73	Correct	216 ms	25584 KB	Output is correct
74	Correct	7 ms	9728 KB	Output is correct
75	Correct	6 ms	9728 KB	Output is correct
76	Correct	7 ms	9728 KB	Output is correct
77	Correct	6 ms	9728 KB	Output is correct
78	Correct	271 ms	30200 KB	Output is correct
79	Correct	165 ms	26360 KB	Output is correct
80	Correct	265 ms	31120 KB	Output is correct
81	Correct	194 ms	25592 KB	Output is correct
82	Correct	268 ms	31096 KB	Output is correct
83	Correct	200 ms	27960 KB	Output is correct
84	Correct	6 ms	9728 KB	Output is correct
85	Correct	6 ms	9728 KB	Output is correct
86	Correct	6 ms	9728 KB	Output is correct
87	Correct	7 ms	9728 KB	Output is correct
88	Correct	8 ms	9856 KB	Output is correct
89	Correct	8 ms	9856 KB	Output is correct
90	Correct	8 ms	9856 KB	Output is correct
91	Correct	8 ms	9856 KB	Output is correct
92	Correct	8 ms	9856 KB	Output is correct
93	Correct	8 ms	9856 KB	Output is correct
94	Correct	8 ms	9856 KB	Output is correct
95	Correct	8 ms	9856 KB	Output is correct
96	Correct	8 ms	9856 KB	Output is correct
97	Correct	8 ms	9856 KB	Output is correct
98	Correct	7 ms	9856 KB	Output is correct
99	Correct	8 ms	9856 KB	Output is correct
100	Correct	8 ms	9856 KB	Output is correct
101	Correct	25 ms	11776 KB	Output is correct
102	Correct	23 ms	11392 KB	Output is correct
103	Correct	367 ms	31224 KB	Output is correct
104	Correct	282 ms	31096 KB	Output is correct
105	Correct	224 ms	28536 KB	Output is correct
106	Correct	270 ms	31268 KB	Output is correct
107	Correct	191 ms	26616 KB	Output is correct
108	Correct	188 ms	26872 KB	Output is correct
109	Correct	204 ms	25584 KB	Output is correct
110	Correct	217 ms	25584 KB	Output is correct
111	Correct	184 ms	30456 KB	Output is correct
112	Correct	244 ms	29816 KB	Output is correct
113	Correct	220 ms	26360 KB	Output is correct
114	Correct	280 ms	31096 KB	Output is correct
115	Correct	268 ms	31268 KB	Output is correct