oj.uz

Submission #143328

# Submission time Handle Problem Language Result Execution time Memory
143328 2019-08-13T16:35:12 Z VladaMG98 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 115 ms 19320 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;

const int MAXN = 200010;

int bit[MAXN];
void upd(int pos, int val) {
    while(pos < MAXN) {
        bit[pos] += val;
        pos += pos & -pos;
    }
}
int get(int pos) {
    int ret = 0;
    while(pos) {
        ret += bit[pos];
        pos -= pos & -pos;
    }
    return ret;
}

bool marked[MAXN];
int arr[MAXN];
vector<int> occurences[2 * MAXN];
long long count_swaps(std::vector<int> s) {
	int n = (int)s.size() / 2;
	int N = 2 * n;
	long long ans = 0;
	int pos = 1;
	for(int i = 1; i <= N; i++) {
        arr[i] = s[i - 1];
	}
	for(int i = N; i >= 1; i--) {
        //printf("hey\n");
        occurences[arr[i] + MAXN].push_back(i);
	}
	for(int _ = 0; _ < n; _++) {
        while(marked[pos]) {
            //printf("%d\n", pos);
            pos += 1;
        }
        int num = arr[pos];
        int target = -num;
        int where = occurences[target + MAXN].back();
       // printf("%d %d %d %d\n", pos, num, target, where);
        marked[pos] = true;
        marked[where] = true;
        occurences[target + MAXN].pop_back();
        occurences[num + MAXN].pop_back();
        int cur_pos = where + (get(MAXN - 1) - get(where));
        ans += cur_pos - (2 * _ + 2);
        if(num > 0) ans += 1;
        //printf("ans = %lld\n", ans);
        upd(where, 1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct

Subtask #2
20.0 / 20.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 11 ms 9720 KB Output is correct
4 Correct 11 ms 9692 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 10 ms 9720 KB Output is correct
9 Correct 11 ms 9720 KB Output is correct
10 Correct 10 ms 9720 KB Output is correct
11 Correct 10 ms 9720 KB Output is correct
12 Correct 13 ms 9720 KB Output is correct
13 Correct 10 ms 9720 KB Output is correct
14 Correct 10 ms 9720 KB Output is correct
15 Correct 10 ms 9720 KB Output is correct
16 Correct 10 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 11 ms 9848 KB Output is correct
19 Correct 11 ms 9720 KB Output is correct
20 Correct 15 ms 10232 KB Output is correct
21 Correct 15 ms 10232 KB Output is correct
22 Correct 47 ms 13888 KB Output is correct
23 Correct 43 ms 14060 KB Output is correct
24 Correct 47 ms 13972 KB Output is correct
25 Correct 42 ms 13552 KB Output is correct
26 Correct 47 ms 14060 KB Output is correct
27 Correct 42 ms 14060 KB Output is correct
28 Correct 43 ms 13560 KB Output is correct
29 Correct 44 ms 13552 KB Output is correct
30 Correct 42 ms 13552 KB Output is correct
31 Correct 51 ms 13984 KB Output is correct
32 Correct 46 ms 13552 KB Output is correct
33 Correct 42 ms 13684 KB Output is correct
34 Correct 43 ms 13552 KB Output is correct
35 Correct 10 ms 9724 KB Output is correct
36 Correct 10 ms 9720 KB Output is correct
37 Correct 42 ms 13648 KB Output is correct
38 Correct 43 ms 13680 KB Output is correct
39 Correct 42 ms 13552 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9724 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 81 ms 18936 KB Output is correct
6 Correct 66 ms 14200 KB Output is correct
7 Correct 82 ms 18936 KB Output is correct
8 Correct 49 ms 13624 KB Output is correct
9 Correct 80 ms 18936 KB Output is correct
10 Correct 89 ms 15808 KB Output is correct

Subtask #5
20.0 / 20.0

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

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 10 ms 9720 KB Output is correct
5 Correct 10 ms 9720 KB Output is correct
6 Correct 11 ms 9720 KB Output is correct
7 Correct 13 ms 9720 KB Output is correct
8 Correct 13 ms 9720 KB Output is correct
9 Correct 13 ms 9720 KB Output is correct
10 Correct 10 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 10 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 10 ms 9720 KB Output is correct
17 Correct 11 ms 9720 KB Output is correct
18 Correct 10 ms 9720 KB Output is correct
19 Correct 10 ms 9720 KB Output is correct
20 Correct 11 ms 9720 KB Output is correct
21 Correct 10 ms 9720 KB Output is correct
22 Correct 10 ms 9720 KB Output is correct
23 Correct 12 ms 9720 KB Output is correct
24 Correct 10 ms 9720 KB Output is correct
25 Correct 10 ms 9720 KB Output is correct
26 Correct 10 ms 9720 KB Output is correct
27 Correct 10 ms 9720 KB Output is correct
28 Correct 10 ms 9720 KB Output is correct
29 Correct 11 ms 9720 KB Output is correct
30 Correct 10 ms 9720 KB Output is correct
31 Correct 10 ms 9720 KB Output is correct
32 Correct 10 ms 9720 KB Output is correct
33 Correct 10 ms 9720 KB Output is correct
34 Correct 10 ms 9720 KB Output is correct
35 Correct 11 ms 9720 KB Output is correct
36 Correct 10 ms 9720 KB Output is correct
37 Correct 11 ms 9720 KB Output is correct
38 Correct 11 ms 9692 KB Output is correct
39 Correct 10 ms 9720 KB Output is correct
40 Correct 11 ms 9720 KB Output is correct
41 Correct 11 ms 9848 KB Output is correct
42 Correct 10 ms 9720 KB Output is correct
43 Correct 11 ms 9720 KB Output is correct
44 Correct 10 ms 9720 KB Output is correct
45 Correct 10 ms 9720 KB Output is correct
46 Correct 13 ms 9720 KB Output is correct
47 Correct 10 ms 9720 KB Output is correct
48 Correct 10 ms 9720 KB Output is correct
49 Correct 10 ms 9720 KB Output is correct
50 Correct 10 ms 9720 KB Output is correct
51 Correct 11 ms 9720 KB Output is correct
52 Correct 11 ms 9848 KB Output is correct
53 Correct 11 ms 9720 KB Output is correct
54 Correct 15 ms 10232 KB Output is correct
55 Correct 15 ms 10232 KB Output is correct
56 Correct 47 ms 13888 KB Output is correct
57 Correct 43 ms 14060 KB Output is correct
58 Correct 47 ms 13972 KB Output is correct
59 Correct 42 ms 13552 KB Output is correct
60 Correct 47 ms 14060 KB Output is correct
61 Correct 42 ms 14060 KB Output is correct
62 Correct 43 ms 13560 KB Output is correct
63 Correct 44 ms 13552 KB Output is correct
64 Correct 42 ms 13552 KB Output is correct
65 Correct 51 ms 13984 KB Output is correct
66 Correct 46 ms 13552 KB Output is correct
67 Correct 42 ms 13684 KB Output is correct
68 Correct 43 ms 13552 KB Output is correct
69 Correct 10 ms 9724 KB Output is correct
70 Correct 10 ms 9720 KB Output is correct
71 Correct 42 ms 13648 KB Output is correct
72 Correct 43 ms 13680 KB Output is correct
73 Correct 42 ms 13552 KB Output is correct
74 Correct 10 ms 9720 KB Output is correct
75 Correct 10 ms 9720 KB Output is correct
76 Correct 10 ms 9724 KB Output is correct
77 Correct 10 ms 9720 KB Output is correct
78 Correct 81 ms 18936 KB Output is correct
79 Correct 66 ms 14200 KB Output is correct
80 Correct 82 ms 18936 KB Output is correct
81 Correct 49 ms 13624 KB Output is correct
82 Correct 80 ms 18936 KB Output is correct
83 Correct 89 ms 15808 KB Output is correct
84 Correct 11 ms 9724 KB Output is correct
85 Correct 10 ms 9720 KB Output is correct
86 Correct 10 ms 9720 KB Output is correct
87 Correct 10 ms 9848 KB Output is correct
88 Correct 11 ms 9848 KB Output is correct
89 Correct 13 ms 9848 KB Output is correct
90 Correct 11 ms 9848 KB Output is correct
91 Correct 11 ms 9848 KB Output is correct
92 Correct 11 ms 9848 KB Output is correct
93 Correct 11 ms 9848 KB Output is correct
94 Correct 11 ms 9848 KB Output is correct
95 Correct 11 ms 9848 KB Output is correct
96 Correct 11 ms 9720 KB Output is correct
97 Correct 11 ms 9848 KB Output is correct
98 Correct 11 ms 9848 KB Output is correct
99 Correct 11 ms 9848 KB Output is correct
100 Correct 11 ms 9848 KB Output is correct
101 Correct 16 ms 10616 KB Output is correct
102 Correct 17 ms 10220 KB Output is correct
103 Correct 115 ms 19292 KB Output is correct
104 Correct 93 ms 19320 KB Output is correct
105 Correct 108 ms 16656 KB Output is correct
106 Correct 85 ms 18936 KB Output is correct
107 Correct 73 ms 14712 KB Output is correct
108 Correct 73 ms 14968 KB Output is correct
109 Correct 44 ms 13612 KB Output is correct
110 Correct 42 ms 13552 KB Output is correct
111 Correct 84 ms 18168 KB Output is correct
112 Correct 103 ms 17976 KB Output is correct
113 Correct 72 ms 14236 KB Output is correct
114 Correct 87 ms 18936 KB Output is correct
115 Correct 85 ms 18936 KB Output is correct