oj.uz

Submission #813712

# Submission time Handle Problem Language Result Execution time Memory
813712 2023-08-08T02:27:55 Z math_rabbit_1028 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 202 ms 141540 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n;
ll ans = 0;
vector<int> arr;

int tree[808080];

void init(int v, int st, int ed) {
	if (st == ed) {
		tree[v] = 1;
		return;
	}
	int mid = (st + ed) / 2;
	init(2 * v, st, mid);
	init(2 * v + 1, mid + 1, ed);
	tree[v] = tree[2 * v] + tree[2 * v + 1];
}

void update(int v, int st, int ed, int idx) {
	if (st > idx || ed < idx) return;
	if (st == idx && ed == idx) {
		tree[v] = 0;
		return;
	}
	int mid = (st + ed) / 2;
	update(2 * v, st, mid, idx);
	update(2 * v + 1, mid + 1, ed, idx);
	tree[v] = tree[2 * v] + tree[2 * v + 1];
}

int get(int v, int st, int ed, int lt, int rt) {
	if (st > rt || lt > ed) return 0;
	if (lt <= st && ed <= rt) return tree[v];
	int mid = (st + ed) / 2;
	return get(2 * v, st, mid, lt, rt) + get(2 * v + 1, mid + 1, ed, lt, rt);
}

deque<int> pdq[101010], mdq[101010];
long long count_swaps(std::vector<int> s) {
	arr = s;
	n = s.size()/2;

	for (int i = 0; i < 2 * n; i++) {
		if (s[i] > 0) pdq[s[i]].push_back(i);
		if (s[i] < 0) mdq[-s[i]].push_back(i);
	}

	init(1, 0, 2*n-1);

	for (int i = 0; i < 2 * n; i++) {
		if (get(1, 0, 2*n-1, i, i) == 0) continue;
		update(1, 0, 2*n-1, i);
		if (s[i] > 0) {
			pdq[s[i]].pop_front();
			int j = mdq[s[i]].front();
			mdq[s[i]].pop_front();
			ans += get(1, 0, 2*n-1, i + 1, j - 1) + 1;
			update(1, 0, 2*n-1, j);
		}
		if (s[i] < 0) {
			mdq[-s[i]].pop_front();
			int j = pdq[-s[i]].front();
			pdq[-s[i]].pop_front();
			ans += get(1, 0, 2*n-1, i + 1, j - 1);
			update(1, 0, 2*n-1, j);
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 136268 KB Output is correct
2 Correct 69 ms 136184 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 136268 KB Output is correct
2 Correct 69 ms 136184 KB Output is correct
3 Correct 69 ms 136212 KB Output is correct
4 Correct 72 ms 136268 KB Output is correct
5 Correct 69 ms 136184 KB Output is correct
6 Correct 70 ms 136212 KB Output is correct
7 Correct 70 ms 136272 KB Output is correct
8 Correct 69 ms 136276 KB Output is correct
9 Correct 73 ms 136284 KB Output is correct
10 Correct 72 ms 136268 KB Output is correct
11 Correct 70 ms 136268 KB Output is correct
12 Correct 70 ms 136268 KB Output is correct
13 Correct 71 ms 136212 KB Output is correct
14 Correct 70 ms 136288 KB Output is correct
15 Correct 70 ms 136236 KB Output is correct
16 Correct 71 ms 136264 KB Output is correct
17 Correct 70 ms 136268 KB Output is correct
18 Correct 70 ms 136172 KB Output is correct
19 Correct 71 ms 136268 KB Output is correct
20 Correct 71 ms 136284 KB Output is correct
21 Correct 71 ms 136268 KB Output is correct
22 Correct 72 ms 136260 KB Output is correct
23 Correct 71 ms 136176 KB Output is correct
24 Correct 70 ms 136280 KB Output is correct
25 Correct 70 ms 136284 KB Output is correct
26 Correct 71 ms 136196 KB Output is correct
27 Correct 70 ms 136192 KB Output is correct
28 Correct 72 ms 136240 KB Output is correct
29 Correct 70 ms 136216 KB Output is correct
30 Correct 82 ms 136192 KB Output is correct
31 Correct 70 ms 136232 KB Output is correct
32 Correct 70 ms 136224 KB Output is correct
33 Correct 71 ms 136192 KB Output is correct
34 Correct 71 ms 136252 KB Output is correct
35 Correct 71 ms 136208 KB Output is correct
36 Correct 71 ms 136168 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 136268 KB Output is correct
2 Correct 69 ms 136184 KB Output is correct
3 Correct 71 ms 136292 KB Output is correct
4 Correct 70 ms 136184 KB Output is correct
5 Correct 70 ms 136228 KB Output is correct
6 Correct 70 ms 136268 KB Output is correct
7 Correct 71 ms 136276 KB Output is correct
8 Correct 69 ms 136268 KB Output is correct
9 Correct 70 ms 136192 KB Output is correct
10 Correct 69 ms 136168 KB Output is correct
11 Correct 69 ms 136220 KB Output is correct
12 Correct 69 ms 136188 KB Output is correct
13 Correct 71 ms 136292 KB Output is correct
14 Correct 70 ms 136224 KB Output is correct
15 Correct 71 ms 136248 KB Output is correct
16 Correct 70 ms 136268 KB Output is correct
17 Correct 77 ms 136276 KB Output is correct
18 Correct 77 ms 136268 KB Output is correct
19 Correct 76 ms 136236 KB Output is correct
20 Correct 88 ms 136780 KB Output is correct
21 Correct 83 ms 136860 KB Output is correct
22 Correct 157 ms 141476 KB Output is correct
23 Correct 149 ms 141440 KB Output is correct
24 Correct 156 ms 141524 KB Output is correct
25 Correct 158 ms 141532 KB Output is correct
26 Correct 159 ms 141528 KB Output is correct
27 Correct 150 ms 141500 KB Output is correct
28 Correct 166 ms 141528 KB Output is correct
29 Correct 155 ms 141516 KB Output is correct
30 Correct 154 ms 141440 KB Output is correct
31 Correct 157 ms 141432 KB Output is correct
32 Correct 156 ms 141436 KB Output is correct
33 Correct 158 ms 141444 KB Output is correct
34 Correct 157 ms 141472 KB Output is correct
35 Correct 71 ms 136216 KB Output is correct
36 Correct 69 ms 136208 KB Output is correct
37 Correct 156 ms 141516 KB Output is correct
38 Correct 160 ms 141508 KB Output is correct
39 Correct 155 ms 141432 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 136256 KB Output is correct
2 Correct 71 ms 136268 KB Output is correct
3 Correct 70 ms 136268 KB Output is correct
4 Correct 71 ms 136236 KB Output is correct
5 Correct 184 ms 140668 KB Output is correct
6 Correct 161 ms 140668 KB Output is correct
7 Correct 181 ms 140700 KB Output is correct
8 Correct 155 ms 141540 KB Output is correct
9 Correct 184 ms 140708 KB Output is correct
10 Correct 176 ms 140588 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 136268 KB Output is correct
2 Correct 69 ms 136184 KB Output is correct
3 Correct 69 ms 136212 KB Output is correct
4 Correct 72 ms 136268 KB Output is correct
5 Correct 69 ms 136184 KB Output is correct
6 Correct 70 ms 136212 KB Output is correct
7 Correct 70 ms 136272 KB Output is correct
8 Correct 69 ms 136276 KB Output is correct
9 Correct 73 ms 136284 KB Output is correct
10 Correct 72 ms 136268 KB Output is correct
11 Correct 70 ms 136268 KB Output is correct
12 Correct 70 ms 136268 KB Output is correct
13 Correct 71 ms 136212 KB Output is correct
14 Correct 70 ms 136288 KB Output is correct
15 Correct 70 ms 136236 KB Output is correct
16 Correct 71 ms 136264 KB Output is correct
17 Correct 70 ms 136268 KB Output is correct
18 Correct 70 ms 136172 KB Output is correct
19 Correct 71 ms 136268 KB Output is correct
20 Correct 71 ms 136284 KB Output is correct
21 Correct 71 ms 136268 KB Output is correct
22 Correct 72 ms 136260 KB Output is correct
23 Correct 71 ms 136176 KB Output is correct
24 Correct 70 ms 136280 KB Output is correct
25 Correct 70 ms 136284 KB Output is correct
26 Correct 71 ms 136196 KB Output is correct
27 Correct 70 ms 136192 KB Output is correct
28 Correct 72 ms 136240 KB Output is correct
29 Correct 70 ms 136216 KB Output is correct
30 Correct 82 ms 136192 KB Output is correct
31 Correct 70 ms 136232 KB Output is correct
32 Correct 70 ms 136224 KB Output is correct
33 Correct 71 ms 136192 KB Output is correct
34 Correct 71 ms 136252 KB Output is correct
35 Correct 71 ms 136208 KB Output is correct
36 Correct 71 ms 136168 KB Output is correct
37 Correct 70 ms 136200 KB Output is correct
38 Correct 70 ms 136228 KB Output is correct
39 Correct 70 ms 136268 KB Output is correct
40 Correct 80 ms 136180 KB Output is correct
41 Correct 78 ms 136268 KB Output is correct
42 Correct 78 ms 136220 KB Output is correct
43 Correct 78 ms 136268 KB Output is correct
44 Correct 78 ms 136244 KB Output is correct
45 Correct 79 ms 136284 KB Output is correct
46 Correct 79 ms 136328 KB Output is correct
47 Correct 80 ms 136212 KB Output is correct
48 Correct 78 ms 136296 KB Output is correct
49 Correct 78 ms 136220 KB Output is correct
50 Correct 79 ms 136256 KB Output is correct
51 Correct 79 ms 136264 KB Output is correct
52 Correct 78 ms 136232 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 136268 KB Output is correct
2 Correct 69 ms 136184 KB Output is correct
3 Correct 69 ms 136212 KB Output is correct
4 Correct 72 ms 136268 KB Output is correct
5 Correct 69 ms 136184 KB Output is correct
6 Correct 70 ms 136212 KB Output is correct
7 Correct 70 ms 136272 KB Output is correct
8 Correct 69 ms 136276 KB Output is correct
9 Correct 73 ms 136284 KB Output is correct
10 Correct 72 ms 136268 KB Output is correct
11 Correct 70 ms 136268 KB Output is correct
12 Correct 70 ms 136268 KB Output is correct
13 Correct 71 ms 136212 KB Output is correct
14 Correct 70 ms 136288 KB Output is correct
15 Correct 70 ms 136236 KB Output is correct
16 Correct 71 ms 136264 KB Output is correct
17 Correct 70 ms 136268 KB Output is correct
18 Correct 70 ms 136172 KB Output is correct
19 Correct 71 ms 136268 KB Output is correct
20 Correct 71 ms 136284 KB Output is correct
21 Correct 71 ms 136268 KB Output is correct
22 Correct 72 ms 136260 KB Output is correct
23 Correct 71 ms 136176 KB Output is correct
24 Correct 70 ms 136280 KB Output is correct
25 Correct 70 ms 136284 KB Output is correct
26 Correct 71 ms 136196 KB Output is correct
27 Correct 70 ms 136192 KB Output is correct
28 Correct 72 ms 136240 KB Output is correct
29 Correct 70 ms 136216 KB Output is correct
30 Correct 82 ms 136192 KB Output is correct
31 Correct 70 ms 136232 KB Output is correct
32 Correct 70 ms 136224 KB Output is correct
33 Correct 71 ms 136192 KB Output is correct
34 Correct 71 ms 136252 KB Output is correct
35 Correct 71 ms 136208 KB Output is correct
36 Correct 71 ms 136168 KB Output is correct
37 Correct 71 ms 136292 KB Output is correct
38 Correct 70 ms 136184 KB Output is correct
39 Correct 70 ms 136228 KB Output is correct
40 Correct 70 ms 136268 KB Output is correct
41 Correct 71 ms 136276 KB Output is correct
42 Correct 69 ms 136268 KB Output is correct
43 Correct 70 ms 136192 KB Output is correct
44 Correct 69 ms 136168 KB Output is correct
45 Correct 69 ms 136220 KB Output is correct
46 Correct 69 ms 136188 KB Output is correct
47 Correct 71 ms 136292 KB Output is correct
48 Correct 70 ms 136224 KB Output is correct
49 Correct 71 ms 136248 KB Output is correct
50 Correct 70 ms 136268 KB Output is correct
51 Correct 77 ms 136276 KB Output is correct
52 Correct 77 ms 136268 KB Output is correct
53 Correct 76 ms 136236 KB Output is correct
54 Correct 88 ms 136780 KB Output is correct
55 Correct 83 ms 136860 KB Output is correct
56 Correct 157 ms 141476 KB Output is correct
57 Correct 149 ms 141440 KB Output is correct
58 Correct 156 ms 141524 KB Output is correct
59 Correct 158 ms 141532 KB Output is correct
60 Correct 159 ms 141528 KB Output is correct
61 Correct 150 ms 141500 KB Output is correct
62 Correct 166 ms 141528 KB Output is correct
63 Correct 155 ms 141516 KB Output is correct
64 Correct 154 ms 141440 KB Output is correct
65 Correct 157 ms 141432 KB Output is correct
66 Correct 156 ms 141436 KB Output is correct
67 Correct 158 ms 141444 KB Output is correct
68 Correct 157 ms 141472 KB Output is correct
69 Correct 71 ms 136216 KB Output is correct
70 Correct 69 ms 136208 KB Output is correct
71 Correct 156 ms 141516 KB Output is correct
72 Correct 160 ms 141508 KB Output is correct
73 Correct 155 ms 141432 KB Output is correct
74 Correct 81 ms 136256 KB Output is correct
75 Correct 71 ms 136268 KB Output is correct
76 Correct 70 ms 136268 KB Output is correct
77 Correct 71 ms 136236 KB Output is correct
78 Correct 184 ms 140668 KB Output is correct
79 Correct 161 ms 140668 KB Output is correct
80 Correct 181 ms 140700 KB Output is correct
81 Correct 155 ms 141540 KB Output is correct
82 Correct 184 ms 140708 KB Output is correct
83 Correct 176 ms 140588 KB Output is correct
84 Correct 70 ms 136200 KB Output is correct
85 Correct 70 ms 136228 KB Output is correct
86 Correct 70 ms 136268 KB Output is correct
87 Correct 80 ms 136180 KB Output is correct
88 Correct 78 ms 136268 KB Output is correct
89 Correct 78 ms 136220 KB Output is correct
90 Correct 78 ms 136268 KB Output is correct
91 Correct 78 ms 136244 KB Output is correct
92 Correct 79 ms 136284 KB Output is correct
93 Correct 79 ms 136328 KB Output is correct
94 Correct 80 ms 136212 KB Output is correct
95 Correct 78 ms 136296 KB Output is correct
96 Correct 78 ms 136220 KB Output is correct
97 Correct 79 ms 136256 KB Output is correct
98 Correct 79 ms 136264 KB Output is correct
99 Correct 78 ms 136232 KB Output is correct
100 Correct 80 ms 136276 KB Output is correct
101 Correct 90 ms 136684 KB Output is correct
102 Correct 86 ms 136656 KB Output is correct
103 Correct 202 ms 140700 KB Output is correct
104 Correct 178 ms 140620 KB Output is correct
105 Correct 186 ms 140620 KB Output is correct
106 Correct 189 ms 140748 KB Output is correct
107 Correct 159 ms 140704 KB Output is correct
108 Correct 160 ms 140700 KB Output is correct
109 Correct 156 ms 141444 KB Output is correct
110 Correct 160 ms 141472 KB Output is correct
111 Correct 182 ms 140620 KB Output is correct
112 Correct 188 ms 140716 KB Output is correct
113 Correct 172 ms 140668 KB Output is correct
114 Correct 187 ms 140636 KB Output is correct
115 Correct 183 ms 140620 KB Output is correct