답안 #386935

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
386935	2021-04-07T16:26:43 Z	danielcm585	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	208 ms	139516 KB

shoes

#include "shoes.h"

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

typedef long long ll;

const int N = 2e5;
const int ADD = 1e5;
int n;
int pr[N+2], bit[N+2];
queue<int> ls[N+2];

void update(int x, int v) {
    for (int i = x+1; i <= n; i += i&-i) bit[i] += v;
}

int query(int x, int y) {
    int ret = 0;
    for (int i = y+1; i; i -= i&-i) ret += bit[i];
    for (int i = x; i; i -= i&-i) ret -= bit[i];
    return ret;
}

ll count_swaps(vector<int> s) {
    n = s.size();
    for (int i = 0; i < n; i++) {
        if (!ls[-s[i]+ADD].empty()) {
            int x = ls[-s[i]+ADD].front();
            ls[-s[i]+ADD].pop();
            pr[x] = i;
        }
        else ls[s[i]+ADD].push(i);
        update(i,+1);
    }
    ll ans = 0;
    for (int i = 0; i < n; i++) {
        if (!pr[i]) continue;
        ans += query(i+1,pr[i]-1) + (s[i] > 0);
        update(pr[i],-1);
    }
    return ans;
}

/*
3
-2 2 2 -2 -2 2

3
-2 3 4 2 -4 -3
*/

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	135020 KB	Output is correct
2	Correct	107 ms	135020 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	135020 KB	Output is correct
2	Correct	107 ms	135020 KB	Output is correct
3	Correct	109 ms	135020 KB	Output is correct
4	Correct	106 ms	135020 KB	Output is correct
5	Correct	119 ms	135020 KB	Output is correct
6	Correct	106 ms	135020 KB	Output is correct
7	Correct	105 ms	135020 KB	Output is correct
8	Correct	107 ms	135020 KB	Output is correct
9	Correct	105 ms	135020 KB	Output is correct
10	Correct	109 ms	135020 KB	Output is correct
11	Correct	107 ms	134940 KB	Output is correct
12	Correct	107 ms	135020 KB	Output is correct
13	Correct	105 ms	135020 KB	Output is correct
14	Correct	110 ms	135020 KB	Output is correct
15	Correct	108 ms	135020 KB	Output is correct
16	Correct	105 ms	135020 KB	Output is correct
17	Correct	105 ms	135020 KB	Output is correct
18	Correct	106 ms	135020 KB	Output is correct
19	Correct	107 ms	135020 KB	Output is correct
20	Correct	106 ms	135020 KB	Output is correct
21	Correct	105 ms	135020 KB	Output is correct
22	Correct	115 ms	135020 KB	Output is correct
23	Correct	106 ms	135020 KB	Output is correct
24	Correct	105 ms	135020 KB	Output is correct
25	Correct	105 ms	135204 KB	Output is correct
26	Correct	115 ms	135020 KB	Output is correct
27	Correct	121 ms	135020 KB	Output is correct
28	Correct	106 ms	135020 KB	Output is correct
29	Correct	107 ms	135148 KB	Output is correct
30	Correct	110 ms	135020 KB	Output is correct
31	Correct	107 ms	135020 KB	Output is correct
32	Correct	108 ms	135020 KB	Output is correct
33	Correct	108 ms	135020 KB	Output is correct
34	Correct	108 ms	135020 KB	Output is correct
35	Correct	106 ms	135020 KB	Output is correct
36	Correct	108 ms	135020 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	135020 KB	Output is correct
2	Correct	107 ms	135020 KB	Output is correct
3	Correct	106 ms	135020 KB	Output is correct
4	Correct	109 ms	134988 KB	Output is correct
5	Correct	108 ms	135020 KB	Output is correct
6	Correct	107 ms	135020 KB	Output is correct
7	Correct	107 ms	135020 KB	Output is correct
8	Correct	105 ms	135020 KB	Output is correct
9	Correct	105 ms	135076 KB	Output is correct
10	Correct	109 ms	134952 KB	Output is correct
11	Correct	112 ms	135076 KB	Output is correct
12	Correct	106 ms	135020 KB	Output is correct
13	Correct	106 ms	135020 KB	Output is correct
14	Correct	106 ms	135020 KB	Output is correct
15	Correct	107 ms	135020 KB	Output is correct
16	Correct	105 ms	135020 KB	Output is correct
17	Correct	107 ms	135020 KB	Output is correct
18	Correct	105 ms	135020 KB	Output is correct
19	Correct	106 ms	135020 KB	Output is correct
20	Correct	110 ms	135404 KB	Output is correct
21	Correct	115 ms	135404 KB	Output is correct
22	Correct	145 ms	139372 KB	Output is correct
23	Correct	144 ms	139372 KB	Output is correct
24	Correct	144 ms	139372 KB	Output is correct
25	Correct	145 ms	139244 KB	Output is correct
26	Correct	156 ms	139372 KB	Output is correct
27	Correct	141 ms	139116 KB	Output is correct
28	Correct	144 ms	139516 KB	Output is correct
29	Correct	144 ms	139372 KB	Output is correct
30	Correct	140 ms	139372 KB	Output is correct
31	Correct	145 ms	139372 KB	Output is correct
32	Correct	145 ms	139372 KB	Output is correct
33	Correct	138 ms	139244 KB	Output is correct
34	Correct	142 ms	139372 KB	Output is correct
35	Correct	108 ms	135020 KB	Output is correct
36	Correct	109 ms	135020 KB	Output is correct
37	Correct	148 ms	139372 KB	Output is correct
38	Correct	145 ms	139372 KB	Output is correct
39	Correct	144 ms	139500 KB	Output is correct

Subtask #4
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	110 ms	135020 KB	Output is correct
2	Correct	108 ms	135020 KB	Output is correct
3	Correct	107 ms	135020 KB	Output is correct
4	Correct	106 ms	135020 KB	Output is correct
5	Correct	178 ms	138988 KB	Output is correct
6	Correct	157 ms	139132 KB	Output is correct
7	Correct	176 ms	139116 KB	Output is correct
8	Correct	149 ms	139372 KB	Output is correct
9	Correct	177 ms	138988 KB	Output is correct
10	Correct	208 ms	138988 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	135020 KB	Output is correct
2	Correct	107 ms	135020 KB	Output is correct
3	Correct	109 ms	135020 KB	Output is correct
4	Correct	106 ms	135020 KB	Output is correct
5	Correct	119 ms	135020 KB	Output is correct
6	Correct	106 ms	135020 KB	Output is correct
7	Correct	105 ms	135020 KB	Output is correct
8	Correct	107 ms	135020 KB	Output is correct
9	Correct	105 ms	135020 KB	Output is correct
10	Correct	109 ms	135020 KB	Output is correct
11	Correct	107 ms	134940 KB	Output is correct
12	Correct	107 ms	135020 KB	Output is correct
13	Correct	105 ms	135020 KB	Output is correct
14	Correct	110 ms	135020 KB	Output is correct
15	Correct	108 ms	135020 KB	Output is correct
16	Correct	105 ms	135020 KB	Output is correct
17	Correct	105 ms	135020 KB	Output is correct
18	Correct	106 ms	135020 KB	Output is correct
19	Correct	107 ms	135020 KB	Output is correct
20	Correct	106 ms	135020 KB	Output is correct
21	Correct	105 ms	135020 KB	Output is correct
22	Correct	115 ms	135020 KB	Output is correct
23	Correct	106 ms	135020 KB	Output is correct
24	Correct	105 ms	135020 KB	Output is correct
25	Correct	105 ms	135204 KB	Output is correct
26	Correct	115 ms	135020 KB	Output is correct
27	Correct	121 ms	135020 KB	Output is correct
28	Correct	106 ms	135020 KB	Output is correct
29	Correct	107 ms	135148 KB	Output is correct
30	Correct	110 ms	135020 KB	Output is correct
31	Correct	107 ms	135020 KB	Output is correct
32	Correct	108 ms	135020 KB	Output is correct
33	Correct	108 ms	135020 KB	Output is correct
34	Correct	108 ms	135020 KB	Output is correct
35	Correct	106 ms	135020 KB	Output is correct
36	Correct	108 ms	135020 KB	Output is correct
37	Correct	105 ms	134924 KB	Output is correct
38	Correct	107 ms	135020 KB	Output is correct
39	Correct	106 ms	135020 KB	Output is correct
40	Correct	108 ms	135020 KB	Output is correct
41	Correct	108 ms	135148 KB	Output is correct
42	Correct	107 ms	135148 KB	Output is correct
43	Correct	117 ms	135020 KB	Output is correct
44	Correct	107 ms	135020 KB	Output is correct
45	Correct	107 ms	135020 KB	Output is correct
46	Correct	107 ms	135020 KB	Output is correct
47	Correct	106 ms	135020 KB	Output is correct
48	Correct	109 ms	135020 KB	Output is correct
49	Correct	106 ms	135020 KB	Output is correct
50	Correct	107 ms	135020 KB	Output is correct
51	Correct	106 ms	135020 KB	Output is correct
52	Correct	108 ms	135020 KB	Output is correct

Subtask #6
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	106 ms	135020 KB	Output is correct
2	Correct	107 ms	135020 KB	Output is correct
3	Correct	109 ms	135020 KB	Output is correct
4	Correct	106 ms	135020 KB	Output is correct
5	Correct	119 ms	135020 KB	Output is correct
6	Correct	106 ms	135020 KB	Output is correct
7	Correct	105 ms	135020 KB	Output is correct
8	Correct	107 ms	135020 KB	Output is correct
9	Correct	105 ms	135020 KB	Output is correct
10	Correct	109 ms	135020 KB	Output is correct
11	Correct	107 ms	134940 KB	Output is correct
12	Correct	107 ms	135020 KB	Output is correct
13	Correct	105 ms	135020 KB	Output is correct
14	Correct	110 ms	135020 KB	Output is correct
15	Correct	108 ms	135020 KB	Output is correct
16	Correct	105 ms	135020 KB	Output is correct
17	Correct	105 ms	135020 KB	Output is correct
18	Correct	106 ms	135020 KB	Output is correct
19	Correct	107 ms	135020 KB	Output is correct
20	Correct	106 ms	135020 KB	Output is correct
21	Correct	105 ms	135020 KB	Output is correct
22	Correct	115 ms	135020 KB	Output is correct
23	Correct	106 ms	135020 KB	Output is correct
24	Correct	105 ms	135020 KB	Output is correct
25	Correct	105 ms	135204 KB	Output is correct
26	Correct	115 ms	135020 KB	Output is correct
27	Correct	121 ms	135020 KB	Output is correct
28	Correct	106 ms	135020 KB	Output is correct
29	Correct	107 ms	135148 KB	Output is correct
30	Correct	110 ms	135020 KB	Output is correct
31	Correct	107 ms	135020 KB	Output is correct
32	Correct	108 ms	135020 KB	Output is correct
33	Correct	108 ms	135020 KB	Output is correct
34	Correct	108 ms	135020 KB	Output is correct
35	Correct	106 ms	135020 KB	Output is correct
36	Correct	108 ms	135020 KB	Output is correct
37	Correct	106 ms	135020 KB	Output is correct
38	Correct	109 ms	134988 KB	Output is correct
39	Correct	108 ms	135020 KB	Output is correct
40	Correct	107 ms	135020 KB	Output is correct
41	Correct	107 ms	135020 KB	Output is correct
42	Correct	105 ms	135020 KB	Output is correct
43	Correct	105 ms	135076 KB	Output is correct
44	Correct	109 ms	134952 KB	Output is correct
45	Correct	112 ms	135076 KB	Output is correct
46	Correct	106 ms	135020 KB	Output is correct
47	Correct	106 ms	135020 KB	Output is correct
48	Correct	106 ms	135020 KB	Output is correct
49	Correct	107 ms	135020 KB	Output is correct
50	Correct	105 ms	135020 KB	Output is correct
51	Correct	107 ms	135020 KB	Output is correct
52	Correct	105 ms	135020 KB	Output is correct
53	Correct	106 ms	135020 KB	Output is correct
54	Correct	110 ms	135404 KB	Output is correct
55	Correct	115 ms	135404 KB	Output is correct
56	Correct	145 ms	139372 KB	Output is correct
57	Correct	144 ms	139372 KB	Output is correct
58	Correct	144 ms	139372 KB	Output is correct
59	Correct	145 ms	139244 KB	Output is correct
60	Correct	156 ms	139372 KB	Output is correct
61	Correct	141 ms	139116 KB	Output is correct
62	Correct	144 ms	139516 KB	Output is correct
63	Correct	144 ms	139372 KB	Output is correct
64	Correct	140 ms	139372 KB	Output is correct
65	Correct	145 ms	139372 KB	Output is correct
66	Correct	145 ms	139372 KB	Output is correct
67	Correct	138 ms	139244 KB	Output is correct
68	Correct	142 ms	139372 KB	Output is correct
69	Correct	108 ms	135020 KB	Output is correct
70	Correct	109 ms	135020 KB	Output is correct
71	Correct	148 ms	139372 KB	Output is correct
72	Correct	145 ms	139372 KB	Output is correct
73	Correct	144 ms	139500 KB	Output is correct
74	Correct	110 ms	135020 KB	Output is correct
75	Correct	108 ms	135020 KB	Output is correct
76	Correct	107 ms	135020 KB	Output is correct
77	Correct	106 ms	135020 KB	Output is correct
78	Correct	178 ms	138988 KB	Output is correct
79	Correct	157 ms	139132 KB	Output is correct
80	Correct	176 ms	139116 KB	Output is correct
81	Correct	149 ms	139372 KB	Output is correct
82	Correct	177 ms	138988 KB	Output is correct
83	Correct	208 ms	138988 KB	Output is correct
84	Correct	105 ms	134924 KB	Output is correct
85	Correct	107 ms	135020 KB	Output is correct
86	Correct	106 ms	135020 KB	Output is correct
87	Correct	108 ms	135020 KB	Output is correct
88	Correct	108 ms	135148 KB	Output is correct
89	Correct	107 ms	135148 KB	Output is correct
90	Correct	117 ms	135020 KB	Output is correct
91	Correct	107 ms	135020 KB	Output is correct
92	Correct	107 ms	135020 KB	Output is correct
93	Correct	107 ms	135020 KB	Output is correct
94	Correct	106 ms	135020 KB	Output is correct
95	Correct	109 ms	135020 KB	Output is correct
96	Correct	106 ms	135020 KB	Output is correct
97	Correct	107 ms	135020 KB	Output is correct
98	Correct	106 ms	135020 KB	Output is correct
99	Correct	108 ms	135020 KB	Output is correct
100	Correct	117 ms	135148 KB	Output is correct
101	Correct	126 ms	135404 KB	Output is correct
102	Correct	111 ms	135404 KB	Output is correct
103	Correct	183 ms	139500 KB	Output is correct
104	Correct	171 ms	139372 KB	Output is correct
105	Correct	173 ms	139372 KB	Output is correct
106	Correct	172 ms	139000 KB	Output is correct
107	Correct	162 ms	139372 KB	Output is correct
108	Correct	161 ms	139308 KB	Output is correct
109	Correct	137 ms	139372 KB	Output is correct
110	Correct	141 ms	139500 KB	Output is correct
111	Correct	176 ms	138988 KB	Output is correct
112	Correct	183 ms	139372 KB	Output is correct
113	Correct	160 ms	138988 KB	Output is correct
114	Correct	191 ms	138988 KB	Output is correct
115	Correct	173 ms	138988 KB	Output is correct

답안 #386935

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