답안 #152068

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
152068	2019-09-06T07:51:41 Z	oolimry	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	313 ms	14328 KB

shoes

#include <bits/stdc++.h>
using namespace std;
 
static int tree[500005];
long long N;
void update(int x){
	x += N;
	while(x > 0){
		tree[x]++;
		x >>= 1;
	}
}
 
long long query(int l, int r){
	long long ans = 0;
	for(l += N, r += N;l < r;l >>= 1, r >>= 1){
		if(l&1){
			ans += tree[l];
			l++;
		}
		if(r&1){
			r--;
			ans += tree[r];
		}
	}
	return ans;
}
long long count_swaps(std::vector<int> ssdf) {
  vector<int> s = ssdf;
	long long n = s.size() / 2;
	N = 2 * n;
	long long ans = 0;
	
	set<long long> things;
	for(int i = 0;i < 2 * n;i++){
		if(s[i] < 0) s[i] = (s[i] * -1) - 1;
		else s[i] = s[i] - 1 + n;
		
		long long ss = s[i] * 1000000ll;
		things.insert(ss + i);
	}
	
	
	//for(int i = 0;i < 2 * n;i++) cout << nxt[i] << " ";
	int pos = 0;
	
	for(int i = 0;i < 2 * n;i++){
		
		if(query(i,i+1) != 0) continue;
		
		int x = s[i];
		int y = 0;
		if(x < n) y = x + n;
		else y = x - n;
		
		int l = i;
		//if(stuff[y].empty()) while(true) continue;
		long long rr = *things.lower_bound(y * 1000000ll);
		int r = rr % 1000000;
		//int r = stuff[y].front();
		//stuff[y].pop();
		//if(stuff[x].empty()) while(true) continue;
		//stuff[x].pop();
		
		
		
		int nl = l + query(l+1,2*n); 
		int nr = r + query(r+1,2*n); 
		//cout << i << " " << l << " " << r << " " << nl << " " << nr << " " << ans << "\n";
		if(x < n){
			ans += (nl - 2 * pos);
			ans += (nr - (2 * pos + 1));
		}
		else{
			ans += (nr - 2 * pos);
			ans += (nl - (2 * pos + 1));
			ans++;
		}
		
		pos++;
		
		update(l);
		update(r);
		things.erase(rr);
		//long long 
		things.erase(x * 1000000ll + i);
	}
	
	
 
	return ans;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	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	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 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	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	360 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	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	380 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	256 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 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	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	380 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 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	252 KB	Output is correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	380 KB	Output is correct
18	Correct	3 ms	376 KB	Output is correct
19	Correct	3 ms	504 KB	Output is correct
20	Correct	12 ms	1788 KB	Output is correct
21	Correct	12 ms	1784 KB	Output is correct
22	Correct	126 ms	14072 KB	Output is correct
23	Correct	165 ms	14172 KB	Output is correct
24	Correct	136 ms	14176 KB	Output is correct
25	Correct	135 ms	14160 KB	Output is correct
26	Correct	126 ms	14072 KB	Output is correct
27	Correct	149 ms	14072 KB	Output is correct
28	Correct	136 ms	14148 KB	Output is correct
29	Correct	137 ms	14136 KB	Output is correct
30	Correct	138 ms	14196 KB	Output is correct
31	Correct	133 ms	14072 KB	Output is correct
32	Correct	140 ms	14072 KB	Output is correct
33	Correct	135 ms	14260 KB	Output is correct
34	Correct	137 ms	14200 KB	Output is correct
35	Correct	2 ms	256 KB	Output is correct
36	Correct	2 ms	420 KB	Output is correct
37	Correct	140 ms	14200 KB	Output is correct
38	Correct	140 ms	14072 KB	Output is correct
39	Correct	140 ms	14124 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	380 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	256 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	243 ms	13960 KB	Output is correct
6	Correct	267 ms	14116 KB	Output is correct
7	Correct	260 ms	14252 KB	Output is correct
8	Correct	121 ms	14200 KB	Output is correct
9	Correct	268 ms	14156 KB	Output is correct
10	Correct	257 ms	14224 KB	Output is correct

Subtask #5
20.0 / 20.0

#	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	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	256 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	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	360 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	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	380 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	256 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	380 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	3 ms	404 KB	Output is correct
41	Correct	3 ms	376 KB	Output is correct
42	Correct	4 ms	376 KB	Output is correct
43	Correct	3 ms	504 KB	Output is correct
44	Correct	3 ms	504 KB	Output is correct
45	Correct	3 ms	504 KB	Output is correct
46	Correct	3 ms	504 KB	Output is correct
47	Correct	3 ms	476 KB	Output is correct
48	Correct	3 ms	504 KB	Output is correct
49	Correct	4 ms	504 KB	Output is correct
50	Correct	3 ms	504 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	376 KB	Output is correct
2	Correct	2 ms	376 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	376 KB	Output is correct
6	Correct	2 ms	256 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	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	360 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	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	380 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	256 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	256 KB	Output is correct
33	Correct	2 ms	348 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	376 KB	Output is correct
37	Correct	2 ms	256 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	380 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct
46	Correct	2 ms	376 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	252 KB	Output is correct
50	Correct	2 ms	376 KB	Output is correct
51	Correct	2 ms	380 KB	Output is correct
52	Correct	3 ms	376 KB	Output is correct
53	Correct	3 ms	504 KB	Output is correct
54	Correct	12 ms	1788 KB	Output is correct
55	Correct	12 ms	1784 KB	Output is correct
56	Correct	126 ms	14072 KB	Output is correct
57	Correct	165 ms	14172 KB	Output is correct
58	Correct	136 ms	14176 KB	Output is correct
59	Correct	135 ms	14160 KB	Output is correct
60	Correct	126 ms	14072 KB	Output is correct
61	Correct	149 ms	14072 KB	Output is correct
62	Correct	136 ms	14148 KB	Output is correct
63	Correct	137 ms	14136 KB	Output is correct
64	Correct	138 ms	14196 KB	Output is correct
65	Correct	133 ms	14072 KB	Output is correct
66	Correct	140 ms	14072 KB	Output is correct
67	Correct	135 ms	14260 KB	Output is correct
68	Correct	137 ms	14200 KB	Output is correct
69	Correct	2 ms	256 KB	Output is correct
70	Correct	2 ms	420 KB	Output is correct
71	Correct	140 ms	14200 KB	Output is correct
72	Correct	140 ms	14072 KB	Output is correct
73	Correct	140 ms	14124 KB	Output is correct
74	Correct	2 ms	380 KB	Output is correct
75	Correct	2 ms	376 KB	Output is correct
76	Correct	2 ms	256 KB	Output is correct
77	Correct	2 ms	256 KB	Output is correct
78	Correct	243 ms	13960 KB	Output is correct
79	Correct	267 ms	14116 KB	Output is correct
80	Correct	260 ms	14252 KB	Output is correct
81	Correct	121 ms	14200 KB	Output is correct
82	Correct	268 ms	14156 KB	Output is correct
83	Correct	257 ms	14224 KB	Output is correct
84	Correct	2 ms	380 KB	Output is correct
85	Correct	2 ms	376 KB	Output is correct
86	Correct	2 ms	376 KB	Output is correct
87	Correct	3 ms	404 KB	Output is correct
88	Correct	3 ms	376 KB	Output is correct
89	Correct	4 ms	376 KB	Output is correct
90	Correct	3 ms	504 KB	Output is correct
91	Correct	3 ms	504 KB	Output is correct
92	Correct	3 ms	504 KB	Output is correct
93	Correct	3 ms	504 KB	Output is correct
94	Correct	3 ms	476 KB	Output is correct
95	Correct	3 ms	504 KB	Output is correct
96	Correct	4 ms	504 KB	Output is correct
97	Correct	3 ms	504 KB	Output is correct
98	Correct	3 ms	504 KB	Output is correct
99	Correct	3 ms	504 KB	Output is correct
100	Correct	3 ms	504 KB	Output is correct
101	Correct	20 ms	1784 KB	Output is correct
102	Correct	20 ms	1784 KB	Output is correct
103	Correct	311 ms	14300 KB	Output is correct
104	Correct	250 ms	14072 KB	Output is correct
105	Correct	311 ms	14132 KB	Output is correct
106	Correct	254 ms	14072 KB	Output is correct
107	Correct	264 ms	14328 KB	Output is correct
108	Correct	234 ms	14072 KB	Output is correct
109	Correct	119 ms	14108 KB	Output is correct
110	Correct	137 ms	14308 KB	Output is correct
111	Correct	255 ms	14292 KB	Output is correct
112	Correct	308 ms	14180 KB	Output is correct
113	Correct	313 ms	14204 KB	Output is correct
114	Correct	241 ms	14232 KB	Output is correct
115	Correct	284 ms	14192 KB	Output is correct

답안 #152068

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 15.0 / 15.0

Subtask #5 20.0 / 20.0

Subtask #6 15.0 / 15.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
15.0 / 15.0

Subtask #5
20.0 / 20.0

Subtask #6
15.0 / 15.0