oj.uz

Submission #154319

# Submission time Handle Problem Language Result Execution time Memory
154319 2019-09-20T13:24:20 Z arman_ferdous Arranging Shoes (IOI19_shoes) C++17
100 / 100
 131 ms 21228 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
const int N = 2e5+100;

ll bit[N];
void upd(int pos, ll x) {
	while(pos < N) bit[pos] += x, pos += pos&-pos;
}
ll pref(int pos, ll r = 0) {
	while(pos > 0) r += bit[pos], pos -= pos&-pos;
	return r;
}
ll get(int l, int r) {
	if(r < l) return 0;
	return pref(r) - pref(l - 1);
}

vector<int> le[N], ri[N]; int ryt[N];
long long count_swaps(vector<int> s) {
	int n = s.size();
	s.insert(s.begin(), 0);

	for(int i = 1; i <= n; i++) {
		ryt[i] = -1;
		upd(i, +1);
		if(s[i] < 0) le[-s[i]].push_back(i);
		else ri[s[i]].push_back(i);
	}
	for(int i = 1; i <= n; i++) {
		for(int j = 0; j < (int)le[i].size(); j++) {
			int a = le[i][j], b = ri[i][j];
			ryt[min(a, b)] = max(a, b);
		}
	}

	ll ret = 0;
	for(int i = 1; i <= n; i++) if(ryt[i] + 1) {
		ret += get(i + 1, ryt[i] - 1);
		ret += (s[ryt[i]] < 0);
		upd(ryt[i], -1);
	}
	return ret;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9804 KB Output is correct
6 Correct 11 ms 9976 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 11 ms 9848 KB Output is correct
10 Correct 11 ms 9724 KB Output is correct
11 Correct 11 ms 9848 KB Output is correct
12 Correct 12 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 11 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 13 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 12 ms 9848 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 12 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9848 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9848 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9724 KB Output is correct
32 Correct 11 ms 9804 KB Output is correct
33 Correct 12 ms 9724 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 11 ms 9848 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 12 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 11 ms 9720 KB Output is correct
6 Correct 11 ms 9848 KB Output is correct
7 Correct 13 ms 9720 KB Output is correct
8 Correct 13 ms 9720 KB Output is correct
9 Correct 11 ms 9724 KB Output is correct
10 Correct 11 ms 9720 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 11 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 12 ms 9720 KB Output is correct
16 Correct 12 ms 9848 KB Output is correct
17 Correct 11 ms 9848 KB Output is correct
18 Correct 11 ms 9848 KB Output is correct
19 Correct 12 ms 9848 KB Output is correct
20 Correct 13 ms 10460 KB Output is correct
21 Correct 18 ms 10360 KB Output is correct
22 Correct 47 ms 16488 KB Output is correct
23 Correct 53 ms 16232 KB Output is correct
24 Correct 58 ms 16616 KB Output is correct
25 Correct 49 ms 16104 KB Output is correct
26 Correct 56 ms 16232 KB Output is correct
27 Correct 52 ms 15908 KB Output is correct
28 Correct 56 ms 16232 KB Output is correct
29 Correct 58 ms 16232 KB Output is correct
30 Correct 52 ms 16360 KB Output is correct
31 Correct 60 ms 16264 KB Output is correct
32 Correct 55 ms 16232 KB Output is correct
33 Correct 53 ms 16104 KB Output is correct
34 Correct 55 ms 16236 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 51 ms 16232 KB Output is correct
38 Correct 51 ms 16360 KB Output is correct
39 Correct 50 ms 16232 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9720 KB Output is correct
2 Correct 11 ms 9848 KB Output is correct
3 Correct 11 ms 9772 KB Output is correct
4 Correct 11 ms 9720 KB Output is correct
5 Correct 98 ms 21096 KB Output is correct
6 Correct 61 ms 16360 KB Output is correct
7 Correct 131 ms 21096 KB Output is correct
8 Correct 55 ms 15980 KB Output is correct
9 Correct 118 ms 21152 KB Output is correct
10 Correct 97 ms 18180 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9804 KB Output is correct
6 Correct 11 ms 9976 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 11 ms 9848 KB Output is correct
10 Correct 11 ms 9724 KB Output is correct
11 Correct 11 ms 9848 KB Output is correct
12 Correct 12 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 11 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 13 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 12 ms 9848 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 12 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9848 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9848 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9724 KB Output is correct
32 Correct 11 ms 9804 KB Output is correct
33 Correct 12 ms 9724 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 11 ms 9848 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 13 ms 9720 KB Output is correct
38 Correct 10 ms 9720 KB Output is correct
39 Correct 12 ms 9720 KB Output is correct
40 Correct 9 ms 9720 KB Output is correct
41 Correct 12 ms 9848 KB Output is correct
42 Correct 12 ms 9848 KB Output is correct
43 Correct 12 ms 9848 KB Output is correct
44 Correct 12 ms 9848 KB Output is correct
45 Correct 12 ms 9848 KB Output is correct
46 Correct 12 ms 9848 KB Output is correct
47 Correct 12 ms 9848 KB Output is correct
48 Correct 12 ms 9848 KB Output is correct
49 Correct 12 ms 9848 KB Output is correct
50 Correct 12 ms 9848 KB Output is correct
51 Correct 11 ms 9820 KB Output is correct
52 Correct 12 ms 9848 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 12 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9804 KB Output is correct
6 Correct 11 ms 9976 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 11 ms 9848 KB Output is correct
10 Correct 11 ms 9724 KB Output is correct
11 Correct 11 ms 9848 KB Output is correct
12 Correct 12 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 11 ms 9720 KB Output is correct
16 Correct 11 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 13 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 12 ms 9848 KB Output is correct
21 Correct 11 ms 9720 KB Output is correct
22 Correct 11 ms 9720 KB Output is correct
23 Correct 11 ms 9720 KB Output is correct
24 Correct 12 ms 9720 KB Output is correct
25 Correct 11 ms 9720 KB Output is correct
26 Correct 11 ms 9848 KB Output is correct
27 Correct 11 ms 9720 KB Output is correct
28 Correct 12 ms 9720 KB Output is correct
29 Correct 11 ms 9848 KB Output is correct
30 Correct 11 ms 9720 KB Output is correct
31 Correct 11 ms 9724 KB Output is correct
32 Correct 11 ms 9804 KB Output is correct
33 Correct 12 ms 9724 KB Output is correct
34 Correct 12 ms 9720 KB Output is correct
35 Correct 11 ms 9848 KB Output is correct
36 Correct 11 ms 9720 KB Output is correct
37 Correct 11 ms 9720 KB Output is correct
38 Correct 11 ms 9720 KB Output is correct
39 Correct 11 ms 9720 KB Output is correct
40 Correct 11 ms 9848 KB Output is correct
41 Correct 13 ms 9720 KB Output is correct
42 Correct 13 ms 9720 KB Output is correct
43 Correct 11 ms 9724 KB Output is correct
44 Correct 11 ms 9720 KB Output is correct
45 Correct 11 ms 9720 KB Output is correct
46 Correct 11 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 12 ms 9720 KB Output is correct
50 Correct 12 ms 9848 KB Output is correct
51 Correct 11 ms 9848 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct
53 Correct 12 ms 9848 KB Output is correct
54 Correct 13 ms 10460 KB Output is correct
55 Correct 18 ms 10360 KB Output is correct
56 Correct 47 ms 16488 KB Output is correct
57 Correct 53 ms 16232 KB Output is correct
58 Correct 58 ms 16616 KB Output is correct
59 Correct 49 ms 16104 KB Output is correct
60 Correct 56 ms 16232 KB Output is correct
61 Correct 52 ms 15908 KB Output is correct
62 Correct 56 ms 16232 KB Output is correct
63 Correct 58 ms 16232 KB Output is correct
64 Correct 52 ms 16360 KB Output is correct
65 Correct 60 ms 16264 KB Output is correct
66 Correct 55 ms 16232 KB Output is correct
67 Correct 53 ms 16104 KB Output is correct
68 Correct 55 ms 16236 KB Output is correct
69 Correct 11 ms 9720 KB Output is correct
70 Correct 11 ms 9720 KB Output is correct
71 Correct 51 ms 16232 KB Output is correct
72 Correct 51 ms 16360 KB Output is correct
73 Correct 50 ms 16232 KB Output is correct
74 Correct 11 ms 9720 KB Output is correct
75 Correct 11 ms 9848 KB Output is correct
76 Correct 11 ms 9772 KB Output is correct
77 Correct 11 ms 9720 KB Output is correct
78 Correct 98 ms 21096 KB Output is correct
79 Correct 61 ms 16360 KB Output is correct
80 Correct 131 ms 21096 KB Output is correct
81 Correct 55 ms 15980 KB Output is correct
82 Correct 118 ms 21152 KB Output is correct
83 Correct 97 ms 18180 KB Output is correct
84 Correct 13 ms 9720 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 12 ms 9720 KB Output is correct
87 Correct 9 ms 9720 KB Output is correct
88 Correct 12 ms 9848 KB Output is correct
89 Correct 12 ms 9848 KB Output is correct
90 Correct 12 ms 9848 KB Output is correct
91 Correct 12 ms 9848 KB Output is correct
92 Correct 12 ms 9848 KB Output is correct
93 Correct 12 ms 9848 KB Output is correct
94 Correct 12 ms 9848 KB Output is correct
95 Correct 12 ms 9848 KB Output is correct
96 Correct 12 ms 9848 KB Output is correct
97 Correct 12 ms 9848 KB Output is correct
98 Correct 11 ms 9820 KB Output is correct
99 Correct 12 ms 9848 KB Output is correct
100 Correct 12 ms 9848 KB Output is correct
101 Correct 20 ms 10872 KB Output is correct
102 Correct 19 ms 10460 KB Output is correct
103 Correct 117 ms 21168 KB Output is correct
104 Correct 116 ms 21096 KB Output is correct
105 Correct 109 ms 18544 KB Output is correct
106 Correct 104 ms 21228 KB Output is correct
107 Correct 80 ms 16488 KB Output is correct
108 Correct 80 ms 16844 KB Output is correct
109 Correct 53 ms 16292 KB Output is correct
110 Correct 51 ms 16232 KB Output is correct
111 Correct 100 ms 20460 KB Output is correct
112 Correct 112 ms 19816 KB Output is correct
113 Correct 79 ms 16488 KB Output is correct
114 Correct 96 ms 21168 KB Output is correct
115 Correct 101 ms 21164 KB Output is correct