oj.uz

답안 #583325

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
583325 2022-06-25T08:39:44 Z Lucpp Arranging Shoes (IOI19_shoes) C++17
100 / 100
 140 ms 140168 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define sz(x) ((int)(x).size())

vector<int> fen;
void add(int i, int x){
	for(i++; i < sz(fen); i+=i&-i) fen[i] += x;
}
int qry(int i){
	int ans = 0;
	for(i++; i > 0; i-=i&-i) ans += fen[i];
	return ans;
}

ll count_swaps(vector<int> s) {
	ll ans = 0;
	fen.resize(sz(s)+1);
	vector<queue<int>> vl(sz(s)/2+1), vr(sz(s)/2+1);
	vector<pair<int, int>> v;
	for(int i = 0; i < sz(s); i++){
		if(s[i] > 0){
			if(vl[s[i]].empty()) vr[s[i]].push(i);
			else{
				v.emplace_back(vl[s[i]].front(), i);
				vl[s[i]].pop();
			}
		}
		else{
			if(vr[-s[i]].empty()) vl[-s[i]].push(i);
			else{
				ans++;
				v.emplace_back(vr[-s[i]].front(), i);
				vr[-s[i]].pop();
			}
		}
	}
	sort(v.begin(), v.end());
	for(auto [i, j] : v){
		int L = i+qry(i);
		int R = j+qry(j);
		ans += R-L-1;
		add(i, 1);
		add(j, -1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 296 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 300 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 296 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 ms 296 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 424 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 2 ms 1620 KB Output is correct
19 Correct 2 ms 1620 KB Output is correct
20 Correct 11 ms 14264 KB Output is correct
21 Correct 11 ms 14284 KB Output is correct
22 Correct 107 ms 139692 KB Output is correct
23 Correct 130 ms 139672 KB Output is correct
24 Correct 110 ms 139604 KB Output is correct
25 Correct 101 ms 139844 KB Output is correct
26 Correct 104 ms 139680 KB Output is correct
27 Correct 113 ms 139428 KB Output is correct
28 Correct 108 ms 140108 KB Output is correct
29 Correct 102 ms 140076 KB Output is correct
30 Correct 105 ms 140076 KB Output is correct
31 Correct 114 ms 139672 KB Output is correct
32 Correct 113 ms 140132 KB Output is correct
33 Correct 102 ms 139828 KB Output is correct
34 Correct 106 ms 140008 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 106 ms 140128 KB Output is correct
38 Correct 110 ms 140080 KB Output is correct
39 Correct 106 ms 140088 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 117 ms 139588 KB Output is correct
6 Correct 128 ms 139584 KB Output is correct
7 Correct 125 ms 139596 KB Output is correct
8 Correct 108 ms 140060 KB Output is correct
9 Correct 122 ms 139700 KB Output is correct
10 Correct 130 ms 139644 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 296 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 596 KB Output is correct
41 Correct 2 ms 1620 KB Output is correct
42 Correct 2 ms 1620 KB Output is correct
43 Correct 2 ms 1592 KB Output is correct
44 Correct 2 ms 1620 KB Output is correct
45 Correct 2 ms 1588 KB Output is correct
46 Correct 2 ms 1620 KB Output is correct
47 Correct 2 ms 1620 KB Output is correct
48 Correct 2 ms 1620 KB Output is correct
49 Correct 2 ms 1620 KB Output is correct
50 Correct 1 ms 1588 KB Output is correct
51 Correct 2 ms 1588 KB Output is correct
52 Correct 2 ms 1620 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 296 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 296 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 300 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 296 KB Output is correct
40 Correct 1 ms 300 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 296 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 300 KB Output is correct
47 Correct 1 ms 296 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 424 KB Output is correct
51 Correct 1 ms 596 KB Output is correct
52 Correct 2 ms 1620 KB Output is correct
53 Correct 2 ms 1620 KB Output is correct
54 Correct 11 ms 14264 KB Output is correct
55 Correct 11 ms 14284 KB Output is correct
56 Correct 107 ms 139692 KB Output is correct
57 Correct 130 ms 139672 KB Output is correct
58 Correct 110 ms 139604 KB Output is correct
59 Correct 101 ms 139844 KB Output is correct
60 Correct 104 ms 139680 KB Output is correct
61 Correct 113 ms 139428 KB Output is correct
62 Correct 108 ms 140108 KB Output is correct
63 Correct 102 ms 140076 KB Output is correct
64 Correct 105 ms 140076 KB Output is correct
65 Correct 114 ms 139672 KB Output is correct
66 Correct 113 ms 140132 KB Output is correct
67 Correct 102 ms 139828 KB Output is correct
68 Correct 106 ms 140008 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 106 ms 140128 KB Output is correct
72 Correct 110 ms 140080 KB Output is correct
73 Correct 106 ms 140088 KB Output is correct
74 Correct 1 ms 212 KB Output is correct
75 Correct 1 ms 212 KB Output is correct
76 Correct 1 ms 304 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 117 ms 139588 KB Output is correct
79 Correct 128 ms 139584 KB Output is correct
80 Correct 125 ms 139596 KB Output is correct
81 Correct 108 ms 140060 KB Output is correct
82 Correct 122 ms 139700 KB Output is correct
83 Correct 130 ms 139644 KB Output is correct
84 Correct 1 ms 212 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 596 KB Output is correct
88 Correct 2 ms 1620 KB Output is correct
89 Correct 2 ms 1620 KB Output is correct
90 Correct 2 ms 1592 KB Output is correct
91 Correct 2 ms 1620 KB Output is correct
92 Correct 2 ms 1588 KB Output is correct
93 Correct 2 ms 1620 KB Output is correct
94 Correct 2 ms 1620 KB Output is correct
95 Correct 2 ms 1620 KB Output is correct
96 Correct 2 ms 1620 KB Output is correct
97 Correct 1 ms 1588 KB Output is correct
98 Correct 2 ms 1588 KB Output is correct
99 Correct 2 ms 1620 KB Output is correct
100 Correct 2 ms 1620 KB Output is correct
101 Correct 13 ms 14268 KB Output is correct
102 Correct 12 ms 14304 KB Output is correct
103 Correct 135 ms 139684 KB Output is correct
104 Correct 114 ms 139620 KB Output is correct
105 Correct 127 ms 139688 KB Output is correct
106 Correct 120 ms 139688 KB Output is correct
107 Correct 118 ms 139656 KB Output is correct
108 Correct 123 ms 139592 KB Output is correct
109 Correct 104 ms 140168 KB Output is correct
110 Correct 104 ms 140072 KB Output is correct
111 Correct 120 ms 139680 KB Output is correct
112 Correct 140 ms 139624 KB Output is correct
113 Correct 128 ms 139640 KB Output is correct
114 Correct 120 ms 139592 KB Output is correct
115 Correct 119 ms 139620 KB Output is correct