oj.uz

Submission #202548

# Submission time Handle Problem Language Result Execution time Memory
202548 2020-02-17T01:12:25 Z batmend_kh Arranging Shoes (IOI19_shoes) C++14
100 / 100
 253 ms 141056 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
const int N = 100005;

queue <int> pos[2 * N];
bool staying[2 * N];
long long ans;
int tree[8 * N];

void build_tree(int l, int r, int k);
void change_val(int l, int r, int pos, int k);
int find_sum(int l, int r, int ll, int rr, int k);

long long count_swaps(std::vector<int> s) {
	memset(staying, 1, sizeof staying);
	int n2 = s.size();
	build_tree(0, n2 - 1, 1);

	for (int i = 0; i < n2; i++) {
		int val = N + s[i];
		pos[val].push(i);
	}

	for (int i = 0; i < n2; i++) {

		if (staying[i] == 0) continue;
		pos[N + s[i]].pop();
		int srchval = N - s[i];
		int ind = pos[srchval].front();
		pos[srchval].pop();
		ans += find_sum(0, n2 - 1, i + 1, ind - 1, 1);
		if (s[i] > 0) ans++;
		staying[ind] = 0;
		change_val(0, n2 - 1, ind, 1);
	}
	return ans;
}	







void change_val(int l, int r, int pos, int k) {
	if (l == pos && r == pos) {
		tree[k] = 0;
		return;
	}
	if (pos < l || r < pos) return;
	int mid = (l + r) / 2;
	change_val(l, mid, pos, 2*k);
	change_val(mid + 1, r, pos, 2*k+1);
	tree[k] = tree[2*k] + tree[2*k+1];
}


void build_tree(int l, int r, int k) {
	if (l == r) {
		tree[k] = staying[l]; 
		return;
	}
	int mid = (l + r) / 2;
	build_tree(l, mid, 2 * k);
	build_tree(mid + 1, r, 2 * k + 1);
	tree[k] = tree[2*k] + tree[2*k + 1];
}

int find_sum(int l, int r, int ll, int rr, int k) {
	if (rr < ll) return 0;
	if (r < ll || rr < l) return 0;
	if (ll <= l && r <= rr) return tree[k];
	int mid = (l + r) / 2;
	int ff = find_sum(l, mid, ll, rr, 2*k);
	int ss = find_sum(mid + 1, r, ll, rr, 2*k + 1);
	return ff + ss;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct
3 Correct 101 ms 135160 KB Output is correct
4 Correct 101 ms 135160 KB Output is correct
5 Correct 104 ms 135208 KB Output is correct
6 Correct 108 ms 135288 KB Output is correct
7 Correct 102 ms 135248 KB Output is correct
8 Correct 104 ms 135288 KB Output is correct
9 Correct 102 ms 135160 KB Output is correct
10 Correct 101 ms 135160 KB Output is correct
11 Correct 101 ms 135160 KB Output is correct
12 Correct 103 ms 135160 KB Output is correct
13 Correct 101 ms 135164 KB Output is correct
14 Correct 105 ms 135160 KB Output is correct
15 Correct 104 ms 135288 KB Output is correct
16 Correct 104 ms 135160 KB Output is correct
17 Correct 103 ms 135160 KB Output is correct
18 Correct 102 ms 135160 KB Output is correct
19 Correct 114 ms 135160 KB Output is correct
20 Correct 102 ms 135160 KB Output is correct
21 Correct 105 ms 135160 KB Output is correct
22 Correct 105 ms 135160 KB Output is correct
23 Correct 102 ms 135152 KB Output is correct
24 Correct 106 ms 135156 KB Output is correct
25 Correct 102 ms 135160 KB Output is correct
26 Correct 105 ms 135160 KB Output is correct
27 Correct 103 ms 135160 KB Output is correct
28 Correct 102 ms 135160 KB Output is correct
29 Correct 105 ms 135160 KB Output is correct
30 Correct 105 ms 135160 KB Output is correct
31 Correct 100 ms 135160 KB Output is correct
32 Correct 104 ms 135160 KB Output is correct
33 Correct 104 ms 135160 KB Output is correct
34 Correct 104 ms 135160 KB Output is correct
35 Correct 103 ms 135160 KB Output is correct
36 Correct 103 ms 135148 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct
3 Correct 107 ms 135136 KB Output is correct
4 Correct 102 ms 135160 KB Output is correct
5 Correct 113 ms 135136 KB Output is correct
6 Correct 102 ms 135160 KB Output is correct
7 Correct 104 ms 135160 KB Output is correct
8 Correct 102 ms 135164 KB Output is correct
9 Correct 108 ms 135160 KB Output is correct
10 Correct 104 ms 135160 KB Output is correct
11 Correct 104 ms 135160 KB Output is correct
12 Correct 101 ms 135160 KB Output is correct
13 Correct 102 ms 135136 KB Output is correct
14 Correct 107 ms 135160 KB Output is correct
15 Correct 102 ms 135160 KB Output is correct
16 Correct 105 ms 135160 KB Output is correct
17 Correct 106 ms 135160 KB Output is correct
18 Correct 109 ms 135292 KB Output is correct
19 Correct 105 ms 135160 KB Output is correct
20 Correct 111 ms 135800 KB Output is correct
21 Correct 115 ms 135928 KB Output is correct
22 Correct 178 ms 139640 KB Output is correct
23 Correct 163 ms 141056 KB Output is correct
24 Correct 179 ms 140920 KB Output is correct
25 Correct 179 ms 140664 KB Output is correct
26 Correct 178 ms 140920 KB Output is correct
27 Correct 155 ms 140792 KB Output is correct
28 Correct 179 ms 140916 KB Output is correct
29 Correct 173 ms 140920 KB Output is correct
30 Correct 188 ms 140920 KB Output is correct
31 Correct 181 ms 140924 KB Output is correct
32 Correct 184 ms 140920 KB Output is correct
33 Correct 177 ms 140792 KB Output is correct
34 Correct 180 ms 140916 KB Output is correct
35 Correct 102 ms 135160 KB Output is correct
36 Correct 103 ms 135288 KB Output is correct
37 Correct 183 ms 140920 KB Output is correct
38 Correct 179 ms 140920 KB Output is correct
39 Correct 182 ms 140920 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 104 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct
3 Correct 104 ms 135160 KB Output is correct
4 Correct 102 ms 135184 KB Output is correct
5 Correct 230 ms 138840 KB Output is correct
6 Correct 203 ms 140152 KB Output is correct
7 Correct 231 ms 140024 KB Output is correct
8 Correct 181 ms 141048 KB Output is correct
9 Correct 231 ms 140152 KB Output is correct
10 Correct 229 ms 140024 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct
3 Correct 101 ms 135160 KB Output is correct
4 Correct 101 ms 135160 KB Output is correct
5 Correct 104 ms 135208 KB Output is correct
6 Correct 108 ms 135288 KB Output is correct
7 Correct 102 ms 135248 KB Output is correct
8 Correct 104 ms 135288 KB Output is correct
9 Correct 102 ms 135160 KB Output is correct
10 Correct 101 ms 135160 KB Output is correct
11 Correct 101 ms 135160 KB Output is correct
12 Correct 103 ms 135160 KB Output is correct
13 Correct 101 ms 135164 KB Output is correct
14 Correct 105 ms 135160 KB Output is correct
15 Correct 104 ms 135288 KB Output is correct
16 Correct 104 ms 135160 KB Output is correct
17 Correct 103 ms 135160 KB Output is correct
18 Correct 102 ms 135160 KB Output is correct
19 Correct 114 ms 135160 KB Output is correct
20 Correct 102 ms 135160 KB Output is correct
21 Correct 105 ms 135160 KB Output is correct
22 Correct 105 ms 135160 KB Output is correct
23 Correct 102 ms 135152 KB Output is correct
24 Correct 106 ms 135156 KB Output is correct
25 Correct 102 ms 135160 KB Output is correct
26 Correct 105 ms 135160 KB Output is correct
27 Correct 103 ms 135160 KB Output is correct
28 Correct 102 ms 135160 KB Output is correct
29 Correct 105 ms 135160 KB Output is correct
30 Correct 105 ms 135160 KB Output is correct
31 Correct 100 ms 135160 KB Output is correct
32 Correct 104 ms 135160 KB Output is correct
33 Correct 104 ms 135160 KB Output is correct
34 Correct 104 ms 135160 KB Output is correct
35 Correct 103 ms 135160 KB Output is correct
36 Correct 103 ms 135148 KB Output is correct
37 Correct 100 ms 135160 KB Output is correct
38 Correct 103 ms 135160 KB Output is correct
39 Correct 105 ms 135160 KB Output is correct
40 Correct 101 ms 135160 KB Output is correct
41 Correct 104 ms 135160 KB Output is correct
42 Correct 102 ms 135288 KB Output is correct
43 Correct 102 ms 135288 KB Output is correct
44 Correct 102 ms 135192 KB Output is correct
45 Correct 108 ms 135160 KB Output is correct
46 Correct 104 ms 135160 KB Output is correct
47 Correct 110 ms 135196 KB Output is correct
48 Correct 104 ms 135160 KB Output is correct
49 Correct 104 ms 135164 KB Output is correct
50 Correct 109 ms 135160 KB Output is correct
51 Correct 105 ms 135160 KB Output is correct
52 Correct 105 ms 135160 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 135160 KB Output is correct
2 Correct 104 ms 135160 KB Output is correct
3 Correct 101 ms 135160 KB Output is correct
4 Correct 101 ms 135160 KB Output is correct
5 Correct 104 ms 135208 KB Output is correct
6 Correct 108 ms 135288 KB Output is correct
7 Correct 102 ms 135248 KB Output is correct
8 Correct 104 ms 135288 KB Output is correct
9 Correct 102 ms 135160 KB Output is correct
10 Correct 101 ms 135160 KB Output is correct
11 Correct 101 ms 135160 KB Output is correct
12 Correct 103 ms 135160 KB Output is correct
13 Correct 101 ms 135164 KB Output is correct
14 Correct 105 ms 135160 KB Output is correct
15 Correct 104 ms 135288 KB Output is correct
16 Correct 104 ms 135160 KB Output is correct
17 Correct 103 ms 135160 KB Output is correct
18 Correct 102 ms 135160 KB Output is correct
19 Correct 114 ms 135160 KB Output is correct
20 Correct 102 ms 135160 KB Output is correct
21 Correct 105 ms 135160 KB Output is correct
22 Correct 105 ms 135160 KB Output is correct
23 Correct 102 ms 135152 KB Output is correct
24 Correct 106 ms 135156 KB Output is correct
25 Correct 102 ms 135160 KB Output is correct
26 Correct 105 ms 135160 KB Output is correct
27 Correct 103 ms 135160 KB Output is correct
28 Correct 102 ms 135160 KB Output is correct
29 Correct 105 ms 135160 KB Output is correct
30 Correct 105 ms 135160 KB Output is correct
31 Correct 100 ms 135160 KB Output is correct
32 Correct 104 ms 135160 KB Output is correct
33 Correct 104 ms 135160 KB Output is correct
34 Correct 104 ms 135160 KB Output is correct
35 Correct 103 ms 135160 KB Output is correct
36 Correct 103 ms 135148 KB Output is correct
37 Correct 107 ms 135136 KB Output is correct
38 Correct 102 ms 135160 KB Output is correct
39 Correct 113 ms 135136 KB Output is correct
40 Correct 102 ms 135160 KB Output is correct
41 Correct 104 ms 135160 KB Output is correct
42 Correct 102 ms 135164 KB Output is correct
43 Correct 108 ms 135160 KB Output is correct
44 Correct 104 ms 135160 KB Output is correct
45 Correct 104 ms 135160 KB Output is correct
46 Correct 101 ms 135160 KB Output is correct
47 Correct 102 ms 135136 KB Output is correct
48 Correct 107 ms 135160 KB Output is correct
49 Correct 102 ms 135160 KB Output is correct
50 Correct 105 ms 135160 KB Output is correct
51 Correct 106 ms 135160 KB Output is correct
52 Correct 109 ms 135292 KB Output is correct
53 Correct 105 ms 135160 KB Output is correct
54 Correct 111 ms 135800 KB Output is correct
55 Correct 115 ms 135928 KB Output is correct
56 Correct 178 ms 139640 KB Output is correct
57 Correct 163 ms 141056 KB Output is correct
58 Correct 179 ms 140920 KB Output is correct
59 Correct 179 ms 140664 KB Output is correct
60 Correct 178 ms 140920 KB Output is correct
61 Correct 155 ms 140792 KB Output is correct
62 Correct 179 ms 140916 KB Output is correct
63 Correct 173 ms 140920 KB Output is correct
64 Correct 188 ms 140920 KB Output is correct
65 Correct 181 ms 140924 KB Output is correct
66 Correct 184 ms 140920 KB Output is correct
67 Correct 177 ms 140792 KB Output is correct
68 Correct 180 ms 140916 KB Output is correct
69 Correct 102 ms 135160 KB Output is correct
70 Correct 103 ms 135288 KB Output is correct
71 Correct 183 ms 140920 KB Output is correct
72 Correct 179 ms 140920 KB Output is correct
73 Correct 182 ms 140920 KB Output is correct
74 Correct 104 ms 135160 KB Output is correct
75 Correct 104 ms 135160 KB Output is correct
76 Correct 104 ms 135160 KB Output is correct
77 Correct 102 ms 135184 KB Output is correct
78 Correct 230 ms 138840 KB Output is correct
79 Correct 203 ms 140152 KB Output is correct
80 Correct 231 ms 140024 KB Output is correct
81 Correct 181 ms 141048 KB Output is correct
82 Correct 231 ms 140152 KB Output is correct
83 Correct 229 ms 140024 KB Output is correct
84 Correct 100 ms 135160 KB Output is correct
85 Correct 103 ms 135160 KB Output is correct
86 Correct 105 ms 135160 KB Output is correct
87 Correct 101 ms 135160 KB Output is correct
88 Correct 104 ms 135160 KB Output is correct
89 Correct 102 ms 135288 KB Output is correct
90 Correct 102 ms 135288 KB Output is correct
91 Correct 102 ms 135192 KB Output is correct
92 Correct 108 ms 135160 KB Output is correct
93 Correct 104 ms 135160 KB Output is correct
94 Correct 110 ms 135196 KB Output is correct
95 Correct 104 ms 135160 KB Output is correct
96 Correct 104 ms 135164 KB Output is correct
97 Correct 109 ms 135160 KB Output is correct
98 Correct 105 ms 135160 KB Output is correct
99 Correct 105 ms 135160 KB Output is correct
100 Correct 106 ms 135160 KB Output is correct
101 Correct 113 ms 135672 KB Output is correct
102 Correct 109 ms 135672 KB Output is correct
103 Correct 253 ms 140024 KB Output is correct
104 Correct 215 ms 140024 KB Output is correct
105 Correct 240 ms 140024 KB Output is correct
106 Correct 233 ms 140024 KB Output is correct
107 Correct 201 ms 140024 KB Output is correct
108 Correct 228 ms 140204 KB Output is correct
109 Correct 179 ms 140920 KB Output is correct
110 Correct 175 ms 140920 KB Output is correct
111 Correct 235 ms 140024 KB Output is correct
112 Correct 243 ms 140024 KB Output is correct
113 Correct 223 ms 140024 KB Output is correct
114 Correct 230 ms 140024 KB Output is correct
115 Correct 236 ms 140024 KB Output is correct