Submission #143480

# Submission time Handle Problem Language Result Execution time Memory
143480 2019-08-14T08:52:12 Z dolphingarlic Arranging Shoes (IOI19_shoes) C++14
50 / 100
368 ms 277952 KB
#include "shoes.h"
#include <queue>
// #include <iostream>

int n;
long long bit[100001];
std::queue<int> left[100001], right[100001];

void update(int pos) { for (int i = pos; i <= n; i += (i & (-i))) bit[i]++; }
long long query(int l, int r) {
	long long ans = 0;
	for (int i = r; i > 0; i -= (i & (-i))) ans += bit[i];
	for (int i = l; i > 0; i -= (i & (-i))) ans -= bit[i];
	return ans;
}

long long count_swaps(std::vector<int> s) {
	n = s.size();
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) left[-s[i]].push(i + 1);
		else right[s[i]].push(i + 1);
	}

	long long ans = 0;
	for (int i = 0; i < n; i++) {
		if (s[i] < 0) {
			if (left[-s[i]].front() == i + 1) {
				int r_indx = right[-s[i]].front();
				right[-s[i]].pop();
				left[-s[i]].pop();

				ans += r_indx - i - 2 - query(i + 1, r_indx);
				update(r_indx);
			}
		} else {
			if (right[s[i]].front() == i + 1) {
				int l_indx = left[s[i]].front();
				right[s[i]].pop();
				left[s[i]].pop();

				ans += l_indx - i - 1 - query(i + 1, l_indx);
				update(l_indx);
			}
		}
	}
	return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135004 KB Output is correct
2 Correct 140 ms 134992 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135004 KB Output is correct
2 Correct 140 ms 134992 KB Output is correct
3 Correct 139 ms 134920 KB Output is correct
4 Correct 138 ms 134904 KB Output is correct
5 Correct 138 ms 135032 KB Output is correct
6 Correct 139 ms 134968 KB Output is correct
7 Correct 158 ms 135040 KB Output is correct
8 Correct 139 ms 135004 KB Output is correct
9 Correct 144 ms 134968 KB Output is correct
10 Correct 137 ms 134904 KB Output is correct
11 Correct 138 ms 135028 KB Output is correct
12 Correct 139 ms 134880 KB Output is correct
13 Correct 138 ms 134880 KB Output is correct
14 Correct 139 ms 134904 KB Output is correct
15 Correct 138 ms 134904 KB Output is correct
16 Correct 138 ms 134952 KB Output is correct
17 Correct 138 ms 134904 KB Output is correct
18 Correct 140 ms 134904 KB Output is correct
19 Correct 141 ms 134908 KB Output is correct
20 Correct 143 ms 134960 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 139 ms 134912 KB Output is correct
23 Correct 137 ms 134904 KB Output is correct
24 Correct 136 ms 134920 KB Output is correct
25 Correct 139 ms 134884 KB Output is correct
26 Correct 137 ms 134904 KB Output is correct
27 Correct 144 ms 134936 KB Output is correct
28 Correct 139 ms 134976 KB Output is correct
29 Correct 137 ms 134984 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 136 ms 135032 KB Output is correct
32 Correct 138 ms 134892 KB Output is correct
33 Correct 150 ms 134884 KB Output is correct
34 Correct 139 ms 134912 KB Output is correct
35 Correct 139 ms 134876 KB Output is correct
36 Correct 137 ms 134876 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135004 KB Output is correct
2 Correct 140 ms 134992 KB Output is correct
3 Correct 139 ms 135032 KB Output is correct
4 Correct 138 ms 134896 KB Output is correct
5 Correct 137 ms 134876 KB Output is correct
6 Correct 146 ms 134904 KB Output is correct
7 Correct 146 ms 134880 KB Output is correct
8 Correct 138 ms 134888 KB Output is correct
9 Correct 139 ms 134876 KB Output is correct
10 Correct 140 ms 134904 KB Output is correct
11 Correct 138 ms 134968 KB Output is correct
12 Correct 139 ms 135036 KB Output is correct
13 Correct 137 ms 134904 KB Output is correct
14 Correct 141 ms 135032 KB Output is correct
15 Correct 139 ms 135020 KB Output is correct
16 Correct 139 ms 134916 KB Output is correct
17 Correct 152 ms 134944 KB Output is correct
18 Correct 149 ms 134988 KB Output is correct
19 Correct 150 ms 135052 KB Output is correct
20 Correct 154 ms 135388 KB Output is correct
21 Correct 154 ms 135292 KB Output is correct
22 Runtime error 341 ms 277952 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135020 KB Output is correct
2 Correct 137 ms 134904 KB Output is correct
3 Correct 140 ms 134916 KB Output is correct
4 Correct 137 ms 134956 KB Output is correct
5 Runtime error 368 ms 276100 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135004 KB Output is correct
2 Correct 140 ms 134992 KB Output is correct
3 Correct 139 ms 134920 KB Output is correct
4 Correct 138 ms 134904 KB Output is correct
5 Correct 138 ms 135032 KB Output is correct
6 Correct 139 ms 134968 KB Output is correct
7 Correct 158 ms 135040 KB Output is correct
8 Correct 139 ms 135004 KB Output is correct
9 Correct 144 ms 134968 KB Output is correct
10 Correct 137 ms 134904 KB Output is correct
11 Correct 138 ms 135028 KB Output is correct
12 Correct 139 ms 134880 KB Output is correct
13 Correct 138 ms 134880 KB Output is correct
14 Correct 139 ms 134904 KB Output is correct
15 Correct 138 ms 134904 KB Output is correct
16 Correct 138 ms 134952 KB Output is correct
17 Correct 138 ms 134904 KB Output is correct
18 Correct 140 ms 134904 KB Output is correct
19 Correct 141 ms 134908 KB Output is correct
20 Correct 143 ms 134960 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 139 ms 134912 KB Output is correct
23 Correct 137 ms 134904 KB Output is correct
24 Correct 136 ms 134920 KB Output is correct
25 Correct 139 ms 134884 KB Output is correct
26 Correct 137 ms 134904 KB Output is correct
27 Correct 144 ms 134936 KB Output is correct
28 Correct 139 ms 134976 KB Output is correct
29 Correct 137 ms 134984 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 136 ms 135032 KB Output is correct
32 Correct 138 ms 134892 KB Output is correct
33 Correct 150 ms 134884 KB Output is correct
34 Correct 139 ms 134912 KB Output is correct
35 Correct 139 ms 134876 KB Output is correct
36 Correct 137 ms 134876 KB Output is correct
37 Correct 145 ms 134992 KB Output is correct
38 Correct 139 ms 134904 KB Output is correct
39 Correct 175 ms 135032 KB Output is correct
40 Correct 138 ms 134956 KB Output is correct
41 Correct 147 ms 135008 KB Output is correct
42 Correct 140 ms 135024 KB Output is correct
43 Correct 140 ms 134904 KB Output is correct
44 Correct 141 ms 134912 KB Output is correct
45 Correct 137 ms 134964 KB Output is correct
46 Correct 136 ms 135004 KB Output is correct
47 Correct 139 ms 135032 KB Output is correct
48 Correct 140 ms 134980 KB Output is correct
49 Correct 138 ms 134896 KB Output is correct
50 Correct 151 ms 135032 KB Output is correct
51 Correct 165 ms 134908 KB Output is correct
52 Correct 139 ms 134916 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 137 ms 135004 KB Output is correct
2 Correct 140 ms 134992 KB Output is correct
3 Correct 139 ms 134920 KB Output is correct
4 Correct 138 ms 134904 KB Output is correct
5 Correct 138 ms 135032 KB Output is correct
6 Correct 139 ms 134968 KB Output is correct
7 Correct 158 ms 135040 KB Output is correct
8 Correct 139 ms 135004 KB Output is correct
9 Correct 144 ms 134968 KB Output is correct
10 Correct 137 ms 134904 KB Output is correct
11 Correct 138 ms 135028 KB Output is correct
12 Correct 139 ms 134880 KB Output is correct
13 Correct 138 ms 134880 KB Output is correct
14 Correct 139 ms 134904 KB Output is correct
15 Correct 138 ms 134904 KB Output is correct
16 Correct 138 ms 134952 KB Output is correct
17 Correct 138 ms 134904 KB Output is correct
18 Correct 140 ms 134904 KB Output is correct
19 Correct 141 ms 134908 KB Output is correct
20 Correct 143 ms 134960 KB Output is correct
21 Correct 138 ms 134904 KB Output is correct
22 Correct 139 ms 134912 KB Output is correct
23 Correct 137 ms 134904 KB Output is correct
24 Correct 136 ms 134920 KB Output is correct
25 Correct 139 ms 134884 KB Output is correct
26 Correct 137 ms 134904 KB Output is correct
27 Correct 144 ms 134936 KB Output is correct
28 Correct 139 ms 134976 KB Output is correct
29 Correct 137 ms 134984 KB Output is correct
30 Correct 137 ms 134904 KB Output is correct
31 Correct 136 ms 135032 KB Output is correct
32 Correct 138 ms 134892 KB Output is correct
33 Correct 150 ms 134884 KB Output is correct
34 Correct 139 ms 134912 KB Output is correct
35 Correct 139 ms 134876 KB Output is correct
36 Correct 137 ms 134876 KB Output is correct
37 Correct 139 ms 135032 KB Output is correct
38 Correct 138 ms 134896 KB Output is correct
39 Correct 137 ms 134876 KB Output is correct
40 Correct 146 ms 134904 KB Output is correct
41 Correct 146 ms 134880 KB Output is correct
42 Correct 138 ms 134888 KB Output is correct
43 Correct 139 ms 134876 KB Output is correct
44 Correct 140 ms 134904 KB Output is correct
45 Correct 138 ms 134968 KB Output is correct
46 Correct 139 ms 135036 KB Output is correct
47 Correct 137 ms 134904 KB Output is correct
48 Correct 141 ms 135032 KB Output is correct
49 Correct 139 ms 135020 KB Output is correct
50 Correct 139 ms 134916 KB Output is correct
51 Correct 152 ms 134944 KB Output is correct
52 Correct 149 ms 134988 KB Output is correct
53 Correct 150 ms 135052 KB Output is correct
54 Correct 154 ms 135388 KB Output is correct
55 Correct 154 ms 135292 KB Output is correct
56 Runtime error 341 ms 277952 KB Execution killed with signal 11 (could be triggered by violating memory limits)
57 Halted 0 ms 0 KB -