oj.uz

Submission #523374

# Submission time Handle Problem Language Result Execution time Memory
523374 2022-02-07T14:54:29 Z HappyPacMan Arranging Shoes (IOI19_shoes) C++14
100 / 100
 363 ms 25860 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5 + 15;
int BIT[MAXN];

void upd(int u){
    u+=5;
    for(;u<MAXN;u+=u&(-u)) BIT[u]++;
}
int qry(int u){
    u+=5;
    int rt = 0;
    for(;u>0;u-=u&(-u)) rt += BIT[u];
    return rt;
}

long long count_swaps(std::vector<int> s) {
    map<int,vector<int> > mp;
    int N = s.size();
    for(int i=N-1;i>=0;i--){
        mp[s[i]].push_back(i);
    }
    long long res = 0;
    for(int i=0;i<N;i++){
        if(qry(i)-qry(i-1) == 1) continue;
        int ref = mp[-s[i]].back();
        mp[-s[i]].pop_back();
        if(s[i] > 0) res += ref-qry(ref-1)+qry(i)-i;
        else res += ref-qry(ref-1)+qry(i)-i-1;
        mp[s[i]].pop_back();
        upd(i);
        upd(ref);
    }
    return res;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 304 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 4 ms 716 KB Output is correct
21 Correct 4 ms 716 KB Output is correct
22 Correct 39 ms 3648 KB Output is correct
23 Correct 35 ms 4792 KB Output is correct
24 Correct 38 ms 4828 KB Output is correct
25 Correct 38 ms 4520 KB Output is correct
26 Correct 39 ms 5012 KB Output is correct
27 Correct 32 ms 4664 KB Output is correct
28 Correct 34 ms 4760 KB Output is correct
29 Correct 31 ms 4796 KB Output is correct
30 Correct 29 ms 4784 KB Output is correct
31 Correct 45 ms 4808 KB Output is correct
32 Correct 31 ms 4796 KB Output is correct
33 Correct 28 ms 4524 KB Output is correct
34 Correct 33 ms 4776 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 32 ms 4780 KB Output is correct
38 Correct 28 ms 4776 KB Output is correct
39 Correct 30 ms 4780 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 300 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 322 ms 24724 KB Output is correct
6 Correct 112 ms 6700 KB Output is correct
7 Correct 287 ms 25768 KB Output is correct
8 Correct 31 ms 4836 KB Output is correct
9 Correct 313 ms 25784 KB Output is correct
10 Correct 194 ms 14768 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 296 KB Output is correct
38 Correct 1 ms 296 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 2 ms 564 KB Output is correct
43 Correct 2 ms 440 KB Output is correct
44 Correct 2 ms 460 KB Output is correct
45 Correct 2 ms 460 KB Output is correct
46 Correct 2 ms 460 KB Output is correct
47 Correct 2 ms 332 KB Output is correct
48 Correct 1 ms 308 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 460 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 0 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 0 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 0 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 0 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 304 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 4 ms 716 KB Output is correct
55 Correct 4 ms 716 KB Output is correct
56 Correct 39 ms 3648 KB Output is correct
57 Correct 35 ms 4792 KB Output is correct
58 Correct 38 ms 4828 KB Output is correct
59 Correct 38 ms 4520 KB Output is correct
60 Correct 39 ms 5012 KB Output is correct
61 Correct 32 ms 4664 KB Output is correct
62 Correct 34 ms 4760 KB Output is correct
63 Correct 31 ms 4796 KB Output is correct
64 Correct 29 ms 4784 KB Output is correct
65 Correct 45 ms 4808 KB Output is correct
66 Correct 31 ms 4796 KB Output is correct
67 Correct 28 ms 4524 KB Output is correct
68 Correct 33 ms 4776 KB Output is correct
69 Correct 1 ms 332 KB Output is correct
70 Correct 1 ms 332 KB Output is correct
71 Correct 32 ms 4780 KB Output is correct
72 Correct 28 ms 4776 KB Output is correct
73 Correct 30 ms 4780 KB Output is correct
74 Correct 1 ms 332 KB Output is correct
75 Correct 0 ms 332 KB Output is correct
76 Correct 1 ms 300 KB Output is correct
77 Correct 1 ms 332 KB Output is correct
78 Correct 322 ms 24724 KB Output is correct
79 Correct 112 ms 6700 KB Output is correct
80 Correct 287 ms 25768 KB Output is correct
81 Correct 31 ms 4836 KB Output is correct
82 Correct 313 ms 25784 KB Output is correct
83 Correct 194 ms 14768 KB Output is correct
84 Correct 1 ms 296 KB Output is correct
85 Correct 1 ms 296 KB Output is correct
86 Correct 1 ms 332 KB Output is correct
87 Correct 1 ms 332 KB Output is correct
88 Correct 2 ms 460 KB Output is correct
89 Correct 2 ms 564 KB Output is correct
90 Correct 2 ms 440 KB Output is correct
91 Correct 2 ms 460 KB Output is correct
92 Correct 2 ms 460 KB Output is correct
93 Correct 2 ms 460 KB Output is correct
94 Correct 2 ms 332 KB Output is correct
95 Correct 1 ms 308 KB Output is correct
96 Correct 1 ms 332 KB Output is correct
97 Correct 1 ms 332 KB Output is correct
98 Correct 1 ms 332 KB Output is correct
99 Correct 1 ms 460 KB Output is correct
100 Correct 2 ms 460 KB Output is correct
101 Correct 14 ms 2528 KB Output is correct
102 Correct 13 ms 1072 KB Output is correct
103 Correct 363 ms 25860 KB Output is correct
104 Correct 274 ms 25796 KB Output is correct
105 Correct 245 ms 16280 KB Output is correct
106 Correct 302 ms 25676 KB Output is correct
107 Correct 113 ms 7208 KB Output is correct
108 Correct 132 ms 9324 KB Output is correct
109 Correct 30 ms 5024 KB Output is correct
110 Correct 32 ms 4768 KB Output is correct
111 Correct 313 ms 23336 KB Output is correct
112 Correct 303 ms 20932 KB Output is correct
113 Correct 111 ms 7336 KB Output is correct
114 Correct 285 ms 25744 KB Output is correct
115 Correct 325 ms 25768 KB Output is correct