oj.uz

답안 #596150

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
596150 2022-07-14T12:26:14 Z alireza_kaviani Arranging Shoes (IOI19_shoes) C++17
100 / 100
 83 ms 14500 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

#define SZ(x)			int((x).size())
#define all(x)			(x).begin() , (x).end()
#define sep				' '

const int MAXN = 2e5 + 10;

int n , mark[MAXN] , fen[MAXN];
vector<int> ind[MAXN];

void add(int x , int val){
	for(x++ ; x < MAXN ; x += x & -x)	fen[x] += val;
}

int get(int x){
	int ans = 0;
	for( ; x ; x -= x & -x)	ans += fen[x];
	return ans;
}

ll count_swaps(vector<int> s) {
	n = SZ(s) / 2;
	for(int i = 2 * n - 1 ; i >= 0 ; i--){
		ind[s[i] + n].push_back(i);
		add(i , 1);
	}
	ll ans = 0;
	for(int i = 0 ; i < 2 * n ; i++){
		if(mark[i])	continue;
		ind[s[i] + n].pop_back();
		int nxt = ind[-s[i] + n].back();
		ind[-s[i] + n].pop_back();
		add(i , -1);
		ans += get(nxt);
		add(nxt , -1);
		mark[i] = mark[nxt] = 1;
		if(s[i] > s[nxt])	ans++;
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 5004 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5008 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 4 ms 5036 KB Output is correct
16 Correct 4 ms 5008 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 5008 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 4 ms 5004 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 5004 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5004 KB Output is correct
32 Correct 4 ms 5008 KB Output is correct
33 Correct 4 ms 4948 KB Output is correct
34 Correct 4 ms 5012 KB Output is correct
35 Correct 3 ms 5036 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4936 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 5008 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4948 KB Output is correct
11 Correct 3 ms 5004 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5008 KB Output is correct
15 Correct 3 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 5 ms 5016 KB Output is correct
19 Correct 4 ms 5016 KB Output is correct
20 Correct 6 ms 5588 KB Output is correct
21 Correct 6 ms 5536 KB Output is correct
22 Correct 33 ms 9152 KB Output is correct
23 Correct 30 ms 9168 KB Output is correct
24 Correct 39 ms 9148 KB Output is correct
25 Correct 28 ms 9116 KB Output is correct
26 Correct 49 ms 9152 KB Output is correct
27 Correct 28 ms 9172 KB Output is correct
28 Correct 29 ms 9108 KB Output is correct
29 Correct 38 ms 9052 KB Output is correct
30 Correct 29 ms 9112 KB Output is correct
31 Correct 32 ms 9124 KB Output is correct
32 Correct 33 ms 9100 KB Output is correct
33 Correct 30 ms 9064 KB Output is correct
34 Correct 29 ms 9136 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 33 ms 9116 KB Output is correct
38 Correct 31 ms 9100 KB Output is correct
39 Correct 40 ms 9112 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 5008 KB Output is correct
2 Correct 3 ms 5004 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 50 ms 14488 KB Output is correct
6 Correct 41 ms 9716 KB Output is correct
7 Correct 57 ms 14440 KB Output is correct
8 Correct 41 ms 9096 KB Output is correct
9 Correct 59 ms 14412 KB Output is correct
10 Correct 50 ms 11372 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 5004 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5008 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 4 ms 5036 KB Output is correct
16 Correct 4 ms 5008 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 5008 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 4 ms 5004 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 5004 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5004 KB Output is correct
32 Correct 4 ms 5008 KB Output is correct
33 Correct 4 ms 4948 KB Output is correct
34 Correct 4 ms 5012 KB Output is correct
35 Correct 3 ms 5036 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 5004 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 4 ms 4948 KB Output is correct
40 Correct 3 ms 5008 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5128 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 5 ms 5076 KB Output is correct
47 Correct 3 ms 5016 KB Output is correct
48 Correct 4 ms 5076 KB Output is correct
49 Correct 3 ms 5016 KB Output is correct
50 Correct 3 ms 5076 KB Output is correct
51 Correct 3 ms 5020 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 5012 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5008 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 5004 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 4 ms 5004 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 5008 KB Output is correct
14 Correct 4 ms 4948 KB Output is correct
15 Correct 4 ms 5036 KB Output is correct
16 Correct 4 ms 5008 KB Output is correct
17 Correct 4 ms 4948 KB Output is correct
18 Correct 3 ms 5008 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 2 ms 5008 KB Output is correct
23 Correct 3 ms 4948 KB Output is correct
24 Correct 4 ms 5004 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 4 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 5004 KB Output is correct
30 Correct 3 ms 4948 KB Output is correct
31 Correct 4 ms 5004 KB Output is correct
32 Correct 4 ms 5008 KB Output is correct
33 Correct 4 ms 4948 KB Output is correct
34 Correct 4 ms 5012 KB Output is correct
35 Correct 3 ms 5036 KB Output is correct
36 Correct 3 ms 4948 KB Output is correct
37 Correct 3 ms 4948 KB Output is correct
38 Correct 3 ms 4948 KB Output is correct
39 Correct 3 ms 4948 KB Output is correct
40 Correct 3 ms 4936 KB Output is correct
41 Correct 3 ms 4948 KB Output is correct
42 Correct 3 ms 5008 KB Output is correct
43 Correct 3 ms 4948 KB Output is correct
44 Correct 3 ms 4948 KB Output is correct
45 Correct 3 ms 5004 KB Output is correct
46 Correct 4 ms 4992 KB Output is correct
47 Correct 3 ms 4948 KB Output is correct
48 Correct 3 ms 5008 KB Output is correct
49 Correct 3 ms 4948 KB Output is correct
50 Correct 3 ms 4948 KB Output is correct
51 Correct 4 ms 4948 KB Output is correct
52 Correct 5 ms 5016 KB Output is correct
53 Correct 4 ms 5016 KB Output is correct
54 Correct 6 ms 5588 KB Output is correct
55 Correct 6 ms 5536 KB Output is correct
56 Correct 33 ms 9152 KB Output is correct
57 Correct 30 ms 9168 KB Output is correct
58 Correct 39 ms 9148 KB Output is correct
59 Correct 28 ms 9116 KB Output is correct
60 Correct 49 ms 9152 KB Output is correct
61 Correct 28 ms 9172 KB Output is correct
62 Correct 29 ms 9108 KB Output is correct
63 Correct 38 ms 9052 KB Output is correct
64 Correct 29 ms 9112 KB Output is correct
65 Correct 32 ms 9124 KB Output is correct
66 Correct 33 ms 9100 KB Output is correct
67 Correct 30 ms 9064 KB Output is correct
68 Correct 29 ms 9136 KB Output is correct
69 Correct 3 ms 4948 KB Output is correct
70 Correct 3 ms 4948 KB Output is correct
71 Correct 33 ms 9116 KB Output is correct
72 Correct 31 ms 9100 KB Output is correct
73 Correct 40 ms 9112 KB Output is correct
74 Correct 3 ms 5008 KB Output is correct
75 Correct 3 ms 5004 KB Output is correct
76 Correct 3 ms 4948 KB Output is correct
77 Correct 3 ms 4948 KB Output is correct
78 Correct 50 ms 14488 KB Output is correct
79 Correct 41 ms 9716 KB Output is correct
80 Correct 57 ms 14440 KB Output is correct
81 Correct 41 ms 9096 KB Output is correct
82 Correct 59 ms 14412 KB Output is correct
83 Correct 50 ms 11372 KB Output is correct
84 Correct 3 ms 5004 KB Output is correct
85 Correct 3 ms 4948 KB Output is correct
86 Correct 4 ms 4948 KB Output is correct
87 Correct 3 ms 5008 KB Output is correct
88 Correct 3 ms 5076 KB Output is correct
89 Correct 3 ms 5128 KB Output is correct
90 Correct 3 ms 5076 KB Output is correct
91 Correct 4 ms 5076 KB Output is correct
92 Correct 3 ms 5076 KB Output is correct
93 Correct 5 ms 5076 KB Output is correct
94 Correct 3 ms 5016 KB Output is correct
95 Correct 4 ms 5076 KB Output is correct
96 Correct 3 ms 5016 KB Output is correct
97 Correct 3 ms 5076 KB Output is correct
98 Correct 3 ms 5020 KB Output is correct
99 Correct 3 ms 5076 KB Output is correct
100 Correct 3 ms 5076 KB Output is correct
101 Correct 7 ms 5972 KB Output is correct
102 Correct 7 ms 5532 KB Output is correct
103 Correct 66 ms 14480 KB Output is correct
104 Correct 68 ms 14500 KB Output is correct
105 Correct 70 ms 11812 KB Output is correct
106 Correct 51 ms 14500 KB Output is correct
107 Correct 45 ms 9756 KB Output is correct
108 Correct 49 ms 10192 KB Output is correct
109 Correct 29 ms 9440 KB Output is correct
110 Correct 29 ms 9156 KB Output is correct
111 Correct 61 ms 13688 KB Output is correct
112 Correct 83 ms 13092 KB Output is correct
113 Correct 42 ms 9804 KB Output is correct
114 Correct 50 ms 14412 KB Output is correct
115 Correct 52 ms 14432 KB Output is correct