답안 #219178

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
219178	2020-04-04T01:23:51 Z	sidiq_ha	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	190 ms	139328 KB

shoes

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "shoes.h"
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define all(v) v.begin(), v.end()

using namespace std;
typedef long long LL;
const LL MOD = 1e9 + 7;
const double PI = 2 * acos(0);
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> new_data_set;
//order_of_key(x) = number of elements stricly smaller than x
//find_by_order(x) = return x-th largest element
int BIT[200001];

void update(int p) {
	for (int i = p; i <= 2e5; i += (i & (-i))) BIT[i]++;
}

int query(int p) {
	int cnt = 0;
	for (int i = p; i > 0; i -= (i & (-i))) {
		cnt += BIT[i];
	}
	return cnt;
}

bool flag[200001];
queue<int> kiri[100001], kanan[100001];

long long count_swaps(vector<int> s) {
	int n = s.size();
	LL ans2 = 0;
	vector<int> ans;
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) kiri[-s[i]].push(i);
		else kanan[s[i]].push(i);
	}
	for (int i = 0; i < n; i++) {
		if (!flag[i]) {
			if (s[i] < 0) {
				int x = -s[i];
				flag[i] = 1;
				ans.pb(i);
				kiri[x].pop();
				int xx = kanan[x].front();
				ans.pb(xx);
				flag[xx] = 1;
				kanan[x].pop();
			} else {
				int x = s[i];
				flag[i] = 1;
				kanan[x].pop();
				int xx = kiri[x].front();
				ans.pb(xx);
				ans.pb(i);
				flag[xx] = 1;
				kiri[x].pop();
			}
		}
	}
	for (int i = 0; i < n; i++) {
		int cnt = query(ans[i] + 1);
		cnt = i - cnt;
		ans2 += (ans[i] + cnt - i);
		update(ans[i] + 1);
	}
	return ans2;
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	135032 KB	Output is correct
2	Correct	98 ms	135032 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	135032 KB	Output is correct
2	Correct	98 ms	135032 KB	Output is correct
3	Correct	92 ms	135036 KB	Output is correct
4	Correct	92 ms	135036 KB	Output is correct
5	Correct	101 ms	134984 KB	Output is correct
6	Correct	91 ms	135032 KB	Output is correct
7	Correct	95 ms	135032 KB	Output is correct
8	Correct	93 ms	135032 KB	Output is correct
9	Correct	90 ms	134932 KB	Output is correct
10	Correct	101 ms	135036 KB	Output is correct
11	Correct	96 ms	135032 KB	Output is correct
12	Correct	97 ms	135032 KB	Output is correct
13	Correct	93 ms	135032 KB	Output is correct
14	Correct	94 ms	135032 KB	Output is correct
15	Correct	90 ms	135032 KB	Output is correct
16	Correct	92 ms	135032 KB	Output is correct
17	Correct	91 ms	135140 KB	Output is correct
18	Correct	90 ms	135032 KB	Output is correct
19	Correct	93 ms	135032 KB	Output is correct
20	Correct	90 ms	135032 KB	Output is correct
21	Correct	92 ms	135032 KB	Output is correct
22	Correct	93 ms	135032 KB	Output is correct
23	Correct	91 ms	135032 KB	Output is correct
24	Correct	91 ms	135032 KB	Output is correct
25	Correct	93 ms	135032 KB	Output is correct
26	Correct	91 ms	135032 KB	Output is correct
27	Correct	90 ms	135032 KB	Output is correct
28	Correct	90 ms	135032 KB	Output is correct
29	Correct	94 ms	135032 KB	Output is correct
30	Correct	92 ms	135032 KB	Output is correct
31	Correct	91 ms	135032 KB	Output is correct
32	Correct	91 ms	135000 KB	Output is correct
33	Correct	93 ms	135032 KB	Output is correct
34	Correct	91 ms	135032 KB	Output is correct
35	Correct	91 ms	135032 KB	Output is correct
36	Correct	95 ms	135164 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	135032 KB	Output is correct
2	Correct	98 ms	135032 KB	Output is correct
3	Correct	91 ms	135032 KB	Output is correct
4	Correct	95 ms	135032 KB	Output is correct
5	Correct	90 ms	135036 KB	Output is correct
6	Correct	91 ms	135032 KB	Output is correct
7	Correct	92 ms	135032 KB	Output is correct
8	Correct	93 ms	135032 KB	Output is correct
9	Correct	91 ms	135032 KB	Output is correct
10	Correct	91 ms	135036 KB	Output is correct
11	Correct	94 ms	135032 KB	Output is correct
12	Correct	91 ms	135032 KB	Output is correct
13	Correct	89 ms	135032 KB	Output is correct
14	Correct	92 ms	135032 KB	Output is correct
15	Correct	92 ms	135032 KB	Output is correct
16	Correct	93 ms	135032 KB	Output is correct
17	Correct	99 ms	135032 KB	Output is correct
18	Correct	99 ms	135032 KB	Output is correct
19	Correct	98 ms	135036 KB	Output is correct
20	Correct	101 ms	135544 KB	Output is correct
21	Correct	102 ms	135544 KB	Output is correct
22	Correct	141 ms	139248 KB	Output is correct
23	Correct	135 ms	139248 KB	Output is correct
24	Correct	139 ms	139248 KB	Output is correct
25	Correct	136 ms	139248 KB	Output is correct
26	Correct	139 ms	139248 KB	Output is correct
27	Correct	138 ms	139248 KB	Output is correct
28	Correct	143 ms	139248 KB	Output is correct
29	Correct	138 ms	139248 KB	Output is correct
30	Correct	136 ms	139248 KB	Output is correct
31	Correct	139 ms	139260 KB	Output is correct
32	Correct	140 ms	139248 KB	Output is correct
33	Correct	137 ms	139248 KB	Output is correct
34	Correct	139 ms	139192 KB	Output is correct
35	Correct	93 ms	135032 KB	Output is correct
36	Correct	95 ms	135032 KB	Output is correct
37	Correct	144 ms	139328 KB	Output is correct
38	Correct	140 ms	139248 KB	Output is correct
39	Correct	137 ms	139248 KB	Output is correct

Subtask #4

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	93 ms	135032 KB	Output is correct
2	Correct	101 ms	135160 KB	Output is correct
3	Correct	94 ms	135032 KB	Output is correct
4	Correct	91 ms	135032 KB	Output is correct
5	Correct	176 ms	138412 KB	Output is correct
6	Correct	160 ms	138384 KB	Output is correct
7	Correct	175 ms	138348 KB	Output is correct
8	Correct	136 ms	139248 KB	Output is correct
9	Correct	178 ms	138348 KB	Output is correct
10	Correct	173 ms	138396 KB	Output is correct

Subtask #5

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	135032 KB	Output is correct
2	Correct	98 ms	135032 KB	Output is correct
3	Correct	92 ms	135036 KB	Output is correct
4	Correct	92 ms	135036 KB	Output is correct
5	Correct	101 ms	134984 KB	Output is correct
6	Correct	91 ms	135032 KB	Output is correct
7	Correct	95 ms	135032 KB	Output is correct
8	Correct	93 ms	135032 KB	Output is correct
9	Correct	90 ms	134932 KB	Output is correct
10	Correct	101 ms	135036 KB	Output is correct
11	Correct	96 ms	135032 KB	Output is correct
12	Correct	97 ms	135032 KB	Output is correct
13	Correct	93 ms	135032 KB	Output is correct
14	Correct	94 ms	135032 KB	Output is correct
15	Correct	90 ms	135032 KB	Output is correct
16	Correct	92 ms	135032 KB	Output is correct
17	Correct	91 ms	135140 KB	Output is correct
18	Correct	90 ms	135032 KB	Output is correct
19	Correct	93 ms	135032 KB	Output is correct
20	Correct	90 ms	135032 KB	Output is correct
21	Correct	92 ms	135032 KB	Output is correct
22	Correct	93 ms	135032 KB	Output is correct
23	Correct	91 ms	135032 KB	Output is correct
24	Correct	91 ms	135032 KB	Output is correct
25	Correct	93 ms	135032 KB	Output is correct
26	Correct	91 ms	135032 KB	Output is correct
27	Correct	90 ms	135032 KB	Output is correct
28	Correct	90 ms	135032 KB	Output is correct
29	Correct	94 ms	135032 KB	Output is correct
30	Correct	92 ms	135032 KB	Output is correct
31	Correct	91 ms	135032 KB	Output is correct
32	Correct	91 ms	135000 KB	Output is correct
33	Correct	93 ms	135032 KB	Output is correct
34	Correct	91 ms	135032 KB	Output is correct
35	Correct	91 ms	135032 KB	Output is correct
36	Correct	95 ms	135164 KB	Output is correct
37	Correct	92 ms	135032 KB	Output is correct
38	Correct	93 ms	135032 KB	Output is correct
39	Correct	90 ms	135032 KB	Output is correct
40	Correct	93 ms	135032 KB	Output is correct
41	Correct	95 ms	135032 KB	Output is correct
42	Correct	91 ms	135032 KB	Output is correct
43	Correct	92 ms	135032 KB	Output is correct
44	Correct	92 ms	135032 KB	Output is correct
45	Correct	97 ms	135032 KB	Output is correct
46	Correct	91 ms	135032 KB	Output is correct
47	Correct	94 ms	135032 KB	Output is correct
48	Correct	93 ms	135032 KB	Output is correct
49	Correct	92 ms	135032 KB	Output is correct
50	Correct	99 ms	135032 KB	Output is correct
51	Correct	100 ms	135032 KB	Output is correct
52	Correct	94 ms	135032 KB	Output is correct

Subtask #6

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	94 ms	135032 KB	Output is correct
2	Correct	98 ms	135032 KB	Output is correct
3	Correct	92 ms	135036 KB	Output is correct
4	Correct	92 ms	135036 KB	Output is correct
5	Correct	101 ms	134984 KB	Output is correct
6	Correct	91 ms	135032 KB	Output is correct
7	Correct	95 ms	135032 KB	Output is correct
8	Correct	93 ms	135032 KB	Output is correct
9	Correct	90 ms	134932 KB	Output is correct
10	Correct	101 ms	135036 KB	Output is correct
11	Correct	96 ms	135032 KB	Output is correct
12	Correct	97 ms	135032 KB	Output is correct
13	Correct	93 ms	135032 KB	Output is correct
14	Correct	94 ms	135032 KB	Output is correct
15	Correct	90 ms	135032 KB	Output is correct
16	Correct	92 ms	135032 KB	Output is correct
17	Correct	91 ms	135140 KB	Output is correct
18	Correct	90 ms	135032 KB	Output is correct
19	Correct	93 ms	135032 KB	Output is correct
20	Correct	90 ms	135032 KB	Output is correct
21	Correct	92 ms	135032 KB	Output is correct
22	Correct	93 ms	135032 KB	Output is correct
23	Correct	91 ms	135032 KB	Output is correct
24	Correct	91 ms	135032 KB	Output is correct
25	Correct	93 ms	135032 KB	Output is correct
26	Correct	91 ms	135032 KB	Output is correct
27	Correct	90 ms	135032 KB	Output is correct
28	Correct	90 ms	135032 KB	Output is correct
29	Correct	94 ms	135032 KB	Output is correct
30	Correct	92 ms	135032 KB	Output is correct
31	Correct	91 ms	135032 KB	Output is correct
32	Correct	91 ms	135000 KB	Output is correct
33	Correct	93 ms	135032 KB	Output is correct
34	Correct	91 ms	135032 KB	Output is correct
35	Correct	91 ms	135032 KB	Output is correct
36	Correct	95 ms	135164 KB	Output is correct
37	Correct	91 ms	135032 KB	Output is correct
38	Correct	95 ms	135032 KB	Output is correct
39	Correct	90 ms	135036 KB	Output is correct
40	Correct	91 ms	135032 KB	Output is correct
41	Correct	92 ms	135032 KB	Output is correct
42	Correct	93 ms	135032 KB	Output is correct
43	Correct	91 ms	135032 KB	Output is correct
44	Correct	91 ms	135036 KB	Output is correct
45	Correct	94 ms	135032 KB	Output is correct
46	Correct	91 ms	135032 KB	Output is correct
47	Correct	89 ms	135032 KB	Output is correct
48	Correct	92 ms	135032 KB	Output is correct
49	Correct	92 ms	135032 KB	Output is correct
50	Correct	93 ms	135032 KB	Output is correct
51	Correct	99 ms	135032 KB	Output is correct
52	Correct	99 ms	135032 KB	Output is correct
53	Correct	98 ms	135036 KB	Output is correct
54	Correct	101 ms	135544 KB	Output is correct
55	Correct	102 ms	135544 KB	Output is correct
56	Correct	141 ms	139248 KB	Output is correct
57	Correct	135 ms	139248 KB	Output is correct
58	Correct	139 ms	139248 KB	Output is correct
59	Correct	136 ms	139248 KB	Output is correct
60	Correct	139 ms	139248 KB	Output is correct
61	Correct	138 ms	139248 KB	Output is correct
62	Correct	143 ms	139248 KB	Output is correct
63	Correct	138 ms	139248 KB	Output is correct
64	Correct	136 ms	139248 KB	Output is correct
65	Correct	139 ms	139260 KB	Output is correct
66	Correct	140 ms	139248 KB	Output is correct
67	Correct	137 ms	139248 KB	Output is correct
68	Correct	139 ms	139192 KB	Output is correct
69	Correct	93 ms	135032 KB	Output is correct
70	Correct	95 ms	135032 KB	Output is correct
71	Correct	144 ms	139328 KB	Output is correct
72	Correct	140 ms	139248 KB	Output is correct
73	Correct	137 ms	139248 KB	Output is correct
74	Correct	93 ms	135032 KB	Output is correct
75	Correct	101 ms	135160 KB	Output is correct
76	Correct	94 ms	135032 KB	Output is correct
77	Correct	91 ms	135032 KB	Output is correct
78	Correct	176 ms	138412 KB	Output is correct
79	Correct	160 ms	138384 KB	Output is correct
80	Correct	175 ms	138348 KB	Output is correct
81	Correct	136 ms	139248 KB	Output is correct
82	Correct	178 ms	138348 KB	Output is correct
83	Correct	173 ms	138396 KB	Output is correct
84	Correct	92 ms	135032 KB	Output is correct
85	Correct	93 ms	135032 KB	Output is correct
86	Correct	90 ms	135032 KB	Output is correct
87	Correct	93 ms	135032 KB	Output is correct
88	Correct	95 ms	135032 KB	Output is correct
89	Correct	91 ms	135032 KB	Output is correct
90	Correct	92 ms	135032 KB	Output is correct
91	Correct	92 ms	135032 KB	Output is correct
92	Correct	97 ms	135032 KB	Output is correct
93	Correct	91 ms	135032 KB	Output is correct
94	Correct	94 ms	135032 KB	Output is correct
95	Correct	93 ms	135032 KB	Output is correct
96	Correct	92 ms	135032 KB	Output is correct
97	Correct	99 ms	135032 KB	Output is correct
98	Correct	100 ms	135032 KB	Output is correct
99	Correct	94 ms	135032 KB	Output is correct
100	Correct	92 ms	135032 KB	Output is correct
101	Correct	97 ms	135416 KB	Output is correct
102	Correct	100 ms	135416 KB	Output is correct
103	Correct	185 ms	138348 KB	Output is correct
104	Correct	183 ms	138348 KB	Output is correct
105	Correct	190 ms	138476 KB	Output is correct
106	Correct	176 ms	138476 KB	Output is correct
107	Correct	170 ms	138348 KB	Output is correct
108	Correct	166 ms	138348 KB	Output is correct
109	Correct	138 ms	139248 KB	Output is correct
110	Correct	138 ms	139248 KB	Output is correct
111	Correct	184 ms	138348 KB	Output is correct
112	Correct	184 ms	138348 KB	Output is correct
113	Correct	161 ms	138480 KB	Output is correct
114	Correct	177 ms	138348 KB	Output is correct
115	Correct	174 ms	138348 KB	Output is correct