oj.uz

Submission #1035970

# Submission time Handle Problem Language Result Execution time Memory
1035970 2024-07-26T22:07:50 Z ArthuroWich Arranging Shoes (IOI19_shoes) C++17
100 / 100
 294 ms 34488 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long arr[200005], seg[4*200005];
void build(long long n, long long l, long long r) {
	if (l == r) {
		seg[n] = arr[l];
	} else {
		long long m = (l+r)/2;
		build(2*n, l, m);
		build(2*n+1, m+1, r);
		seg[n] = seg[2*n] + seg[2*n+1];
	}
}
void update(long long n, long long l, long long r, long long i, long long v) {
	if (l == r) {
		seg[n] = v;
	} else {
		long long m = (l+r)/2;
		if (l <= i && i <= m) {
			update(2*n, l, m, i, v);
		} else {
			update(2*n+1, m+1, r, i, v);
		}
		seg[n] = seg[2*n] + seg[2*n+1];
	}
}
long long query(long long n, long long l, long long r, long long a, long long b) {
	if (b < l || r < a) {
		return 0;
	} else if (a <= l && r <= b) {
		return seg[n];
	} else {
		long long m = (l+r)/2;
		return query(2*n, l, m, a, b) + query(2*n+1, m+1, r, a, b);
	}
}
long long count_swaps(vector<int> s) {
	long long n = s.size(), ans = 0;
	vector<long long> vis(n, 0);
	map<long long, vector<long long>> num;
	for (long long i = 0; i < n; i++) {
		num[s[i]].push_back(i);
		arr[i] = 1;
	}
	for (auto c : num) {
		reverse(num[c.first].begin(), num[c.first].end());
	}
	build(1, 0, n-1);
	for (long long i = 0; i < n; i++) {
		if (vis[i]) {
			continue;
		}
		long long co = 0, ind = -1;
		long long j = s[i]*-1;
		ind = num[j].back();
		num[s[i]].pop_back();
		num[j].pop_back();
		co = query(1, 0, n-1, i, ind)-2;
		vis[i] = 1;
		vis[ind] = 1;
		update(1, 0, n-1, i, 0);
		update(1, 0, n-1, ind, 0);
		ans += co;
		if (j < 0) {
			ans++;
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2476 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2392 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 5 ms 3676 KB Output is correct
21 Correct 5 ms 5468 KB Output is correct
22 Correct 51 ms 13368 KB Output is correct
23 Correct 43 ms 13580 KB Output is correct
24 Correct 51 ms 13404 KB Output is correct
25 Correct 47 ms 13376 KB Output is correct
26 Correct 51 ms 14612 KB Output is correct
27 Correct 42 ms 14776 KB Output is correct
28 Correct 46 ms 14908 KB Output is correct
29 Correct 54 ms 14776 KB Output is correct
30 Correct 47 ms 14908 KB Output is correct
31 Correct 49 ms 14804 KB Output is correct
32 Correct 44 ms 14652 KB Output is correct
33 Correct 48 ms 14648 KB Output is correct
34 Correct 49 ms 14752 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 49 ms 14656 KB Output is correct
38 Correct 56 ms 14648 KB Output is correct
39 Correct 50 ms 14912 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 257 ms 33364 KB Output is correct
6 Correct 110 ms 16468 KB Output is correct
7 Correct 223 ms 34388 KB Output is correct
8 Correct 50 ms 15180 KB Output is correct
9 Correct 239 ms 34384 KB Output is correct
10 Correct 169 ms 23888 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2476 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2392 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 2 ms 2676 KB Output is correct
42 Correct 1 ms 2652 KB Output is correct
43 Correct 1 ms 2652 KB Output is correct
44 Correct 1 ms 2652 KB Output is correct
45 Correct 1 ms 2652 KB Output is correct
46 Correct 1 ms 2652 KB Output is correct
47 Correct 1 ms 2652 KB Output is correct
48 Correct 1 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2652 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2476 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2396 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 1 ms 2392 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2392 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 0 ms 2396 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 1 ms 2392 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 0 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 0 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 0 ms 2396 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 5 ms 3676 KB Output is correct
55 Correct 5 ms 5468 KB Output is correct
56 Correct 51 ms 13368 KB Output is correct
57 Correct 43 ms 13580 KB Output is correct
58 Correct 51 ms 13404 KB Output is correct
59 Correct 47 ms 13376 KB Output is correct
60 Correct 51 ms 14612 KB Output is correct
61 Correct 42 ms 14776 KB Output is correct
62 Correct 46 ms 14908 KB Output is correct
63 Correct 54 ms 14776 KB Output is correct
64 Correct 47 ms 14908 KB Output is correct
65 Correct 49 ms 14804 KB Output is correct
66 Correct 44 ms 14652 KB Output is correct
67 Correct 48 ms 14648 KB Output is correct
68 Correct 49 ms 14752 KB Output is correct
69 Correct 1 ms 2392 KB Output is correct
70 Correct 0 ms 2396 KB Output is correct
71 Correct 49 ms 14656 KB Output is correct
72 Correct 56 ms 14648 KB Output is correct
73 Correct 50 ms 14912 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 0 ms 2396 KB Output is correct
76 Correct 0 ms 2396 KB Output is correct
77 Correct 0 ms 2396 KB Output is correct
78 Correct 257 ms 33364 KB Output is correct
79 Correct 110 ms 16468 KB Output is correct
80 Correct 223 ms 34388 KB Output is correct
81 Correct 50 ms 15180 KB Output is correct
82 Correct 239 ms 34384 KB Output is correct
83 Correct 169 ms 23888 KB Output is correct
84 Correct 1 ms 2396 KB Output is correct
85 Correct 1 ms 2396 KB Output is correct
86 Correct 0 ms 2396 KB Output is correct
87 Correct 1 ms 2396 KB Output is correct
88 Correct 2 ms 2676 KB Output is correct
89 Correct 1 ms 2652 KB Output is correct
90 Correct 1 ms 2652 KB Output is correct
91 Correct 1 ms 2652 KB Output is correct
92 Correct 1 ms 2652 KB Output is correct
93 Correct 1 ms 2652 KB Output is correct
94 Correct 1 ms 2652 KB Output is correct
95 Correct 1 ms 2396 KB Output is correct
96 Correct 1 ms 2396 KB Output is correct
97 Correct 1 ms 2396 KB Output is correct
98 Correct 1 ms 2396 KB Output is correct
99 Correct 1 ms 2652 KB Output is correct
100 Correct 2 ms 2652 KB Output is correct
101 Correct 17 ms 7004 KB Output is correct
102 Correct 11 ms 4112 KB Output is correct
103 Correct 294 ms 34488 KB Output is correct
104 Correct 201 ms 34360 KB Output is correct
105 Correct 192 ms 24996 KB Output is correct
106 Correct 240 ms 34132 KB Output is correct
107 Correct 116 ms 16976 KB Output is correct
108 Correct 118 ms 19108 KB Output is correct
109 Correct 49 ms 15052 KB Output is correct
110 Correct 56 ms 15012 KB Output is correct
111 Correct 202 ms 32060 KB Output is correct
112 Correct 222 ms 29524 KB Output is correct
113 Correct 119 ms 16972 KB Output is correct
114 Correct 232 ms 34356 KB Output is correct
115 Correct 219 ms 34376 KB Output is correct