답안 #897890

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
897890	2024-01-03T23:39:35 Z	Rainmaker2627	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	245 ms	275420 KB

shoes

#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;

struct segtree {
	int n;
	vector<int> st;

	segtree(int a) {
		n=a;
		while (n&(n-1)) n++;
		vector<int> b(2*n);
		swap(b, st);
	}

	int query(int ql, int qr, int v=1, int nl=1, int nr=-1) {
		if (nr==-1) { nr=this->n; ql++; qr++; }
		if (ql>nr || qr<nl) return 0;
		if (ql<=nl && qr>=nr) return st[v];
		return query(ql, qr, 2*v, nl, (nl+nr)/2) + query(ql, qr, 2*v+1, (nl+nr)/2+1, nr);
	}

	void update(int p) {
		for (p+=n; p>0; p/=2) st[p]++;
	}

	int operator[](int a) { return st[a+n]; }
};

long long count_swaps(vector<int> s) {
	int n = s.size();
	queue<int> left[n+1], right[n+1];
	segtree st(n);

	for (int i = 0; i < n; ++i) {
		if (s[i]<0) {
			left[-s[i]].push(i);
		} else right[s[i]].push(i);
	}

	long long ans=0;
	for (int i = 0; i < n; ++i) {
		while (i<n && st[i]) i++;
		if (i>=n) break;
		if (s[i]<0) {
			ans+=right[-s[i]].front()-i-1-st.query(i, right[-s[i]].front());
			st.update(right[-s[i]].front());
			right[-s[i]].pop(); left[-s[i]].pop();
		} else {
			ans+=left[s[i]].front()-i-st.query(i, left[s[i]].front());
			st.update(left[s[i]].front());
			left[s[i]].pop(); right[s[i]].pop();
		}
	}

	return ans;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	544 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	452 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	604 KB	Output is correct
17	Correct	1 ms	1116 KB	Output is correct
18	Correct	2 ms	3164 KB	Output is correct
19	Correct	2 ms	3160 KB	Output is correct
20	Correct	18 ms	27740 KB	Output is correct
21	Correct	20 ms	27740 KB	Output is correct
22	Correct	191 ms	275420 KB	Output is correct
23	Correct	174 ms	275176 KB	Output is correct
24	Correct	190 ms	275280 KB	Output is correct
25	Correct	183 ms	274988 KB	Output is correct
26	Correct	199 ms	275264 KB	Output is correct
27	Correct	176 ms	275268 KB	Output is correct
28	Correct	180 ms	275204 KB	Output is correct
29	Correct	216 ms	275420 KB	Output is correct
30	Correct	181 ms	275412 KB	Output is correct
31	Correct	183 ms	275284 KB	Output is correct
32	Correct	185 ms	275400 KB	Output is correct
33	Correct	197 ms	275208 KB	Output is correct
34	Correct	195 ms	275376 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	187 ms	275284 KB	Output is correct
38	Correct	184 ms	275392 KB	Output is correct
39	Correct	196 ms	275280 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	436 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	233 ms	274356 KB	Output is correct
6	Correct	201 ms	274512 KB	Output is correct
7	Correct	224 ms	274512 KB	Output is correct
8	Correct	182 ms	275360 KB	Output is correct
9	Correct	222 ms	274520 KB	Output is correct
10	Correct	220 ms	274560 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	1 ms	356 KB	Output is correct
38	Correct	1 ms	344 KB	Output is correct
39	Correct	0 ms	600 KB	Output is correct
40	Correct	1 ms	1116 KB	Output is correct
41	Correct	2 ms	2908 KB	Output is correct
42	Correct	2 ms	3164 KB	Output is correct
43	Correct	2 ms	3160 KB	Output is correct
44	Correct	2 ms	3164 KB	Output is correct
45	Correct	2 ms	3000 KB	Output is correct
46	Correct	3 ms	3164 KB	Output is correct
47	Correct	2 ms	2904 KB	Output is correct
48	Correct	2 ms	3164 KB	Output is correct
49	Correct	2 ms	3164 KB	Output is correct
50	Correct	2 ms	3164 KB	Output is correct
51	Correct	2 ms	3160 KB	Output is correct
52	Correct	2 ms	2904 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	344 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	1 ms	344 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	432 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	0 ms	348 KB	Output is correct
35	Correct	0 ms	348 KB	Output is correct
36	Correct	0 ms	348 KB	Output is correct
37	Correct	0 ms	544 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	0 ms	348 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	0 ms	348 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	0 ms	348 KB	Output is correct
44	Correct	0 ms	344 KB	Output is correct
45	Correct	0 ms	348 KB	Output is correct
46	Correct	0 ms	348 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	0 ms	452 KB	Output is correct
49	Correct	0 ms	348 KB	Output is correct
50	Correct	0 ms	604 KB	Output is correct
51	Correct	1 ms	1116 KB	Output is correct
52	Correct	2 ms	3164 KB	Output is correct
53	Correct	2 ms	3160 KB	Output is correct
54	Correct	18 ms	27740 KB	Output is correct
55	Correct	20 ms	27740 KB	Output is correct
56	Correct	191 ms	275420 KB	Output is correct
57	Correct	174 ms	275176 KB	Output is correct
58	Correct	190 ms	275280 KB	Output is correct
59	Correct	183 ms	274988 KB	Output is correct
60	Correct	199 ms	275264 KB	Output is correct
61	Correct	176 ms	275268 KB	Output is correct
62	Correct	180 ms	275204 KB	Output is correct
63	Correct	216 ms	275420 KB	Output is correct
64	Correct	181 ms	275412 KB	Output is correct
65	Correct	183 ms	275284 KB	Output is correct
66	Correct	185 ms	275400 KB	Output is correct
67	Correct	197 ms	275208 KB	Output is correct
68	Correct	195 ms	275376 KB	Output is correct
69	Correct	0 ms	348 KB	Output is correct
70	Correct	1 ms	348 KB	Output is correct
71	Correct	187 ms	275284 KB	Output is correct
72	Correct	184 ms	275392 KB	Output is correct
73	Correct	196 ms	275280 KB	Output is correct
74	Correct	0 ms	344 KB	Output is correct
75	Correct	0 ms	436 KB	Output is correct
76	Correct	0 ms	348 KB	Output is correct
77	Correct	0 ms	344 KB	Output is correct
78	Correct	233 ms	274356 KB	Output is correct
79	Correct	201 ms	274512 KB	Output is correct
80	Correct	224 ms	274512 KB	Output is correct
81	Correct	182 ms	275360 KB	Output is correct
82	Correct	222 ms	274520 KB	Output is correct
83	Correct	220 ms	274560 KB	Output is correct
84	Correct	1 ms	356 KB	Output is correct
85	Correct	1 ms	344 KB	Output is correct
86	Correct	0 ms	600 KB	Output is correct
87	Correct	1 ms	1116 KB	Output is correct
88	Correct	2 ms	2908 KB	Output is correct
89	Correct	2 ms	3164 KB	Output is correct
90	Correct	2 ms	3160 KB	Output is correct
91	Correct	2 ms	3164 KB	Output is correct
92	Correct	2 ms	3000 KB	Output is correct
93	Correct	3 ms	3164 KB	Output is correct
94	Correct	2 ms	2904 KB	Output is correct
95	Correct	2 ms	3164 KB	Output is correct
96	Correct	2 ms	3164 KB	Output is correct
97	Correct	2 ms	3164 KB	Output is correct
98	Correct	2 ms	3160 KB	Output is correct
99	Correct	2 ms	2904 KB	Output is correct
100	Correct	2 ms	3064 KB	Output is correct
101	Correct	23 ms	27880 KB	Output is correct
102	Correct	19 ms	27736 KB	Output is correct
103	Correct	245 ms	274676 KB	Output is correct
104	Correct	243 ms	274568 KB	Output is correct
105	Correct	219 ms	274516 KB	Output is correct
106	Correct	217 ms	274512 KB	Output is correct
107	Correct	225 ms	274512 KB	Output is correct
108	Correct	197 ms	274540 KB	Output is correct
109	Correct	184 ms	275280 KB	Output is correct
110	Correct	186 ms	275184 KB	Output is correct
111	Correct	241 ms	274812 KB	Output is correct
112	Correct	219 ms	274480 KB	Output is correct
113	Correct	201 ms	274512 KB	Output is correct
114	Correct	228 ms	274436 KB	Output is correct
115	Correct	223 ms	274564 KB	Output is correct

답안 #897890

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