oj.uz

Submission #991388

# Submission time Handle Problem Language Result Execution time Memory
991388 2024-06-02T08:18:07 Z amine_aroua Arranging Shoes (IOI19_shoes) C++17
100 / 100
 523 ms 48176 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
template <class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include <cstdio>
#include <cassert>
#define Int long long
#define fore(i , n) for(int i = 0 ; i<n;i++)
#define pb push_back
#define forn(i , x , y) for(int i = x ; i >= y; i--)
Int swaps(vector<int> a , vector<int> b)
{
    map<Int , vector<Int>> pos;
    Int m = (Int)a.size();
    fore(i , m)
    {
        pos[a[i]].pb(i);
    }
    Tree<Int> t;
    Int ans = 0;
    forn(i , m - 1 , 0)
    {
        t.insert(pos[b[i]].back());
        ans+=(Int)t.order_of_key(pos[b[i]].back());
        pos[b[i]].pop_back();
    }


    return ans;
}
Int count_swaps(vector<int> s)
{
    int n = (int)s.size();
    vector<int> t;
    map<int , int> occ;
    for(auto x : s)
    {
        occ[x]++;
        if(occ[-x] >= occ[x])
        {
            occ[-x]--;
            occ[x]--;
        }
        else
        {
            t.pb(-abs(x));
            t.pb(abs(x));
        }
    }
    return swaps(s , t);
}
//int main() {
//    int n;
//    assert(1 == scanf("%d", &n));
//    vector<int> S(2 * n);
//    for (int i = 0; i < 2 * n; i++)
//        assert(1 == scanf("%d", &S[i]));
//    fclose(stdin);
//
//    long long result = count_swaps(S);
//
//    printf("%lld\n", result);
//    fclose(stdout);
//    return 0;
//}
/*
5
-5 -5 -4 -4 -3 5 5 4 4 3
 */

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:36:9: warning: unused variable 'n' [-Wunused-variable]
   36 |     int n = (int)s.size();
      |         ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 10 ms 2096 KB Output is correct
21 Correct 9 ms 2048 KB Output is correct
22 Correct 111 ms 18316 KB Output is correct
23 Correct 139 ms 18416 KB Output is correct
24 Correct 78 ms 18408 KB Output is correct
25 Correct 160 ms 18220 KB Output is correct
26 Correct 110 ms 18284 KB Output is correct
27 Correct 132 ms 18304 KB Output is correct
28 Correct 161 ms 18368 KB Output is correct
29 Correct 158 ms 18364 KB Output is correct
30 Correct 156 ms 18296 KB Output is correct
31 Correct 124 ms 18680 KB Output is correct
32 Correct 153 ms 18436 KB Output is correct
33 Correct 158 ms 18368 KB Output is correct
34 Correct 163 ms 18376 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 152 ms 18240 KB Output is correct
38 Correct 154 ms 18364 KB Output is correct
39 Correct 152 ms 18284 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 506 ms 48176 KB Output is correct
6 Correct 309 ms 21448 KB Output is correct
7 Correct 507 ms 48012 KB Output is correct
8 Correct 149 ms 18452 KB Output is correct
9 Correct 519 ms 48072 KB Output is correct
10 Correct 428 ms 32864 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 3 ms 856 KB Output is correct
42 Correct 2 ms 860 KB Output is correct
43 Correct 2 ms 860 KB Output is correct
44 Correct 2 ms 600 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 856 KB Output is correct
47 Correct 2 ms 600 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 2 ms 860 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 10 ms 2096 KB Output is correct
55 Correct 9 ms 2048 KB Output is correct
56 Correct 111 ms 18316 KB Output is correct
57 Correct 139 ms 18416 KB Output is correct
58 Correct 78 ms 18408 KB Output is correct
59 Correct 160 ms 18220 KB Output is correct
60 Correct 110 ms 18284 KB Output is correct
61 Correct 132 ms 18304 KB Output is correct
62 Correct 161 ms 18368 KB Output is correct
63 Correct 158 ms 18364 KB Output is correct
64 Correct 156 ms 18296 KB Output is correct
65 Correct 124 ms 18680 KB Output is correct
66 Correct 153 ms 18436 KB Output is correct
67 Correct 158 ms 18368 KB Output is correct
68 Correct 163 ms 18376 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 152 ms 18240 KB Output is correct
72 Correct 154 ms 18364 KB Output is correct
73 Correct 152 ms 18284 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 506 ms 48176 KB Output is correct
79 Correct 309 ms 21448 KB Output is correct
80 Correct 507 ms 48012 KB Output is correct
81 Correct 149 ms 18452 KB Output is correct
82 Correct 519 ms 48072 KB Output is correct
83 Correct 428 ms 32864 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 3 ms 856 KB Output is correct
89 Correct 2 ms 860 KB Output is correct
90 Correct 2 ms 860 KB Output is correct
91 Correct 2 ms 600 KB Output is correct
92 Correct 2 ms 604 KB Output is correct
93 Correct 2 ms 856 KB Output is correct
94 Correct 2 ms 600 KB Output is correct
95 Correct 2 ms 604 KB Output is correct
96 Correct 1 ms 604 KB Output is correct
97 Correct 1 ms 604 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 2 ms 860 KB Output is correct
100 Correct 2 ms 860 KB Output is correct
101 Correct 29 ms 4700 KB Output is correct
102 Correct 21 ms 2652 KB Output is correct
103 Correct 521 ms 48148 KB Output is correct
104 Correct 447 ms 48068 KB Output is correct
105 Correct 354 ms 34756 KB Output is correct
106 Correct 501 ms 48068 KB Output is correct
107 Correct 241 ms 22212 KB Output is correct
108 Correct 330 ms 25288 KB Output is correct
109 Correct 118 ms 18616 KB Output is correct
110 Correct 159 ms 18216 KB Output is correct
111 Correct 454 ms 44484 KB Output is correct
112 Correct 436 ms 41160 KB Output is correct
113 Correct 343 ms 22536 KB Output is correct
114 Correct 523 ms 48076 KB Output is correct
115 Correct 522 ms 48032 KB Output is correct