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답안 #151925

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
151925 2019-09-05T14:12:55 Z ivandasfs Arranging Shoes (IOI19_shoes) C++14
100 / 100
 221 ms 23720 KB 
#include <iostream>
#include <cstdio>
#include <vector>
#include <set>

using namespace std;

typedef long long ll;

const int OFF = 1e5;

int off = 1;

set<int> s[200005];
int tur[600005];
//int a[200005];

void update(int node, int val) {
	if (!node) return ;
	if (node>=off) {
		tur[node] = val;
	}else {
		tur[node] = tur[node*2] + tur[node*2+1];
	}
	update(node/2, val);
}

int query(int l, int r, int x, int y, int node) {
	if (x>r or y<l) return 0;
	if (l>=x and r<=y) return tur[node];
	return query(l, (l+r)/2, x, y, node*2)+query((l+r)/2+1, r, x, y, node*2+1);
}

ll count_swaps(vector<int> a) {
	int n = a.size();
	while (off<n) off*=2;
	for (int i=0 ; i<n ; i++) {
		update(off+i, 1);
		s[a[i]+OFF].insert(i);
	}
	ll sol=0;
	for (int i=0 ; i<n ; i++) {
		if (!a[i]) continue;
		//cout <<a[i]<<endl;
		int pos=*s[-a[i]+OFF].begin();
		//cout <<i<<":"<<pos<<endl;
		int g=query(0, off-1, i, pos, 1)-2;
		if (a[i]>0) g++;
		sol+=g;
		//cout <<"sol="<<sol<<endl;
		update(pos+off, 0);
		s[a[i]+OFF].erase(s[a[i]+OFF].begin());
		s[-a[i]+OFF].erase(s[-a[i]+OFF].begin());
		a[pos]=0;
	}
	return sol;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9748 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9716 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9692 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9800 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 12 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 13 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 13 ms 9720 KB Output is correct
4 Correct 13 ms 9720 KB Output is correct
5 Correct 12 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 10 ms 9692 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 12 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 11 ms 9720 KB Output is correct
14 Correct 11 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 12 ms 9848 KB Output is correct
19 Correct 11 ms 9848 KB Output is correct
20 Correct 20 ms 11128 KB Output is correct
21 Correct 21 ms 11128 KB Output is correct
22 Correct 124 ms 23672 KB Output is correct
23 Correct 128 ms 23544 KB Output is correct
24 Correct 123 ms 23544 KB Output is correct
25 Correct 135 ms 23396 KB Output is correct
26 Correct 125 ms 23688 KB Output is correct
27 Correct 127 ms 23456 KB Output is correct
28 Correct 140 ms 23596 KB Output is correct
29 Correct 153 ms 23720 KB Output is correct
30 Correct 138 ms 23608 KB Output is correct
31 Correct 125 ms 23708 KB Output is correct
32 Correct 139 ms 23672 KB Output is correct
33 Correct 137 ms 23488 KB Output is correct
34 Correct 137 ms 23500 KB Output is correct
35 Correct 13 ms 9720 KB Output is correct
36 Correct 15 ms 9720 KB Output is correct
37 Correct 138 ms 23544 KB Output is correct
38 Correct 139 ms 23548 KB Output is correct
39 Correct 136 ms 23544 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 146 ms 23444 KB Output is correct
6 Correct 177 ms 23544 KB Output is correct
7 Correct 143 ms 23672 KB Output is correct
8 Correct 129 ms 23544 KB Output is correct
9 Correct 144 ms 23672 KB Output is correct
10 Correct 167 ms 23544 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9748 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9716 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9692 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9800 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 12 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 13 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 10 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 10 ms 9720 KB Output is correct
41 Correct 24 ms 9848 KB Output is correct
42 Correct 12 ms 9848 KB Output is correct
43 Correct 11 ms 9848 KB Output is correct
44 Correct 11 ms 9976 KB Output is correct
45 Correct 11 ms 9848 KB Output is correct
46 Correct 11 ms 9848 KB Output is correct
47 Correct 11 ms 9848 KB Output is correct
48 Correct 11 ms 9848 KB Output is correct
49 Correct 12 ms 9848 KB Output is correct
50 Correct 11 ms 9848 KB Output is correct
51 Correct 11 ms 9848 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9748 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 10 ms 9720 KB Output is correct
7 Correct 11 ms 9720 KB Output is correct
8 Correct 11 ms 9720 KB Output is correct
9 Correct 10 ms 9720 KB Output is correct
10 Correct 10 ms 9724 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 10 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 10 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9716 KB Output is correct
20 Correct 10 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 10 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9692 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9800 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 12 ms 9720 KB Output is correct
32 Correct 11 ms 9720 KB Output is correct
33 Correct 11 ms 9720 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 13 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 13 ms 9720 KB Output is correct
38 Correct 13 ms 9720 KB Output is correct
39 Correct 12 ms 9720 KB Output is correct
40 Correct 10 ms 9720 KB Output is correct
41 Correct 10 ms 9692 KB Output is correct
42 Correct 11 ms 9848 KB Output is correct
43 Correct 12 ms 9720 KB Output is correct
44 Correct 10 ms 9720 KB Output is correct
45 Correct 10 ms 9720 KB Output is correct
46 Correct 10 ms 9720 KB Output is correct
47 Correct 11 ms 9720 KB Output is correct
48 Correct 11 ms 9720 KB Output is correct
49 Correct 10 ms 9720 KB Output is correct
50 Correct 11 ms 9720 KB Output is correct
51 Correct 10 ms 9720 KB Output is correct
52 Correct 12 ms 9848 KB Output is correct
53 Correct 11 ms 9848 KB Output is correct
54 Correct 20 ms 11128 KB Output is correct
55 Correct 21 ms 11128 KB Output is correct
56 Correct 124 ms 23672 KB Output is correct
57 Correct 128 ms 23544 KB Output is correct
58 Correct 123 ms 23544 KB Output is correct
59 Correct 135 ms 23396 KB Output is correct
60 Correct 125 ms 23688 KB Output is correct
61 Correct 127 ms 23456 KB Output is correct
62 Correct 140 ms 23596 KB Output is correct
63 Correct 153 ms 23720 KB Output is correct
64 Correct 138 ms 23608 KB Output is correct
65 Correct 125 ms 23708 KB Output is correct
66 Correct 139 ms 23672 KB Output is correct
67 Correct 137 ms 23488 KB Output is correct
68 Correct 137 ms 23500 KB Output is correct
69 Correct 13 ms 9720 KB Output is correct
70 Correct 15 ms 9720 KB Output is correct
71 Correct 138 ms 23544 KB Output is correct
72 Correct 139 ms 23548 KB Output is correct
73 Correct 136 ms 23544 KB Output is correct
74 Correct 10 ms 9720 KB Output is correct
75 Correct 10 ms 9720 KB Output is correct
76 Correct 11 ms 9720 KB Output is correct
77 Correct 11 ms 9720 KB Output is correct
78 Correct 146 ms 23444 KB Output is correct
79 Correct 177 ms 23544 KB Output is correct
80 Correct 143 ms 23672 KB Output is correct
81 Correct 129 ms 23544 KB Output is correct
82 Correct 144 ms 23672 KB Output is correct
83 Correct 167 ms 23544 KB Output is correct
84 Correct 10 ms 9720 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 10 ms 9720 KB Output is correct
87 Correct 10 ms 9720 KB Output is correct
88 Correct 24 ms 9848 KB Output is correct
89 Correct 12 ms 9848 KB Output is correct
90 Correct 11 ms 9848 KB Output is correct
91 Correct 11 ms 9976 KB Output is correct
92 Correct 11 ms 9848 KB Output is correct
93 Correct 11 ms 9848 KB Output is correct
94 Correct 11 ms 9848 KB Output is correct
95 Correct 11 ms 9848 KB Output is correct
96 Correct 12 ms 9848 KB Output is correct
97 Correct 11 ms 9848 KB Output is correct
98 Correct 11 ms 9848 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 12 ms 9848 KB Output is correct
101 Correct 22 ms 11132 KB Output is correct
102 Correct 23 ms 11128 KB Output is correct
103 Correct 195 ms 23516 KB Output is correct
104 Correct 131 ms 23580 KB Output is correct
105 Correct 176 ms 23580 KB Output is correct
106 Correct 146 ms 23472 KB Output is correct
107 Correct 196 ms 23552 KB Output is correct
108 Correct 176 ms 23576 KB Output is correct
109 Correct 125 ms 23544 KB Output is correct
110 Correct 138 ms 23628 KB Output is correct
111 Correct 150 ms 23656 KB Output is correct
112 Correct 187 ms 23676 KB Output is correct
113 Correct 221 ms 23612 KB Output is correct
114 Correct 147 ms 23544 KB Output is correct
115 Correct 160 ms 23584 KB Output is correct