oj.uz

Submission #824191

# Submission time Handle Problem Language Result Execution time Memory
824191 2023-08-13T17:34:55 Z SoulKnight Arranging Shoes (IOI19_shoes) C++17
100 / 100
 198 ms 29964 KB 
#include "shoes.h"
#include "bits/stdc++.h"
using namespace std;

#define ll long long
#define ln '\n'

const ll N = 3e5 + 5;
const ll LG = 20;
const ll INF = 2e9 + 5;
const ll MOD = 998244353;



vector<ll> s, t;
ll n, ft[N];
map<ll, vector<ll>> mp;
vector<pair<ll, ll>> vec;


void update(ll p, ll delta){
    for (++p; p < N; p += (p & -p)) ft[p] += delta;
}

ll sum(ll p){
    ll res = 0;
    for (++p; p > 0; p -= (p & -p)) res += ft[p];
    return res;
}

void init(){
    cin >> n;
    s.resize(2*n);
    for (ll i = 0; i < 2*n; i++) cin >> s[i];
}

ll move(vector<ll>& v){
    ll x = v.size();
    ll ans = 0LL;
    for (ll i = 0; i < x; i++){
        ans += v[i] - sum(v[i]);
        update(v[i]+1, 1);
    }
    return ans;
}

ll solve(vector<int>& s){
    n = s.size();
    for (ll i = 0; i < n; i++) mp[s[i]].push_back(i);

    for (auto& p: mp){
        if (p.first > 0) break;
        sort(p.second.begin(), p.second.end());
        sort(mp[-p.first].begin(), mp[-p.first].end());

        for (ll i = 0; i < p.second.size(); i++) vec.push_back({p.second[i], mp[-p.first][i]});
    }
    sort(vec.begin(), vec.end(), [&](const pair<ll, ll>& x, const pair<ll, ll>& y){
        return min(x.first, x.second) < min(y.first, y.second);
    });
    // sort(vec.begin(), vec.end());

    t.resize(n);
    for (ll i = 0; i < n; i+=2) {t[i] = vec[i/2].first; t[i+1] = vec[i/2].second;}
    // for (auto& u: t) cout << u << ' ';
    // cout << ln;
    return move(t);
    // t = {1,3,2,0};
    // return move(t);

}



long long count_swaps(std::vector<int> s) {
	return solve(s);
}

Compilation message

shoes.cpp: In function 'long long int solve(std::vector<int>&)':
shoes.cpp:56:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |         for (ll i = 0; i < p.second.size(); i++) vec.push_back({p.second[i], mp[-p.first][i]});
      |                        ~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 1276 KB Output is correct
21 Correct 3 ms 1300 KB Output is correct
22 Correct 31 ms 8176 KB Output is correct
23 Correct 30 ms 8468 KB Output is correct
24 Correct 40 ms 8468 KB Output is correct
25 Correct 38 ms 8480 KB Output is correct
26 Correct 31 ms 8468 KB Output is correct
27 Correct 29 ms 8504 KB Output is correct
28 Correct 41 ms 8452 KB Output is correct
29 Correct 38 ms 8548 KB Output is correct
30 Correct 39 ms 8468 KB Output is correct
31 Correct 33 ms 8500 KB Output is correct
32 Correct 41 ms 8456 KB Output is correct
33 Correct 39 ms 8524 KB Output is correct
34 Correct 40 ms 8460 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 40 ms 8464 KB Output is correct
38 Correct 39 ms 8472 KB Output is correct
39 Correct 40 ms 8432 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 171 ms 28600 KB Output is correct
6 Correct 76 ms 10552 KB Output is correct
7 Correct 150 ms 28576 KB Output is correct
8 Correct 42 ms 8704 KB Output is correct
9 Correct 148 ms 28568 KB Output is correct
10 Correct 110 ms 18084 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 2 ms 596 KB Output is correct
43 Correct 1 ms 596 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 468 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 596 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 3 ms 1276 KB Output is correct
55 Correct 3 ms 1300 KB Output is correct
56 Correct 31 ms 8176 KB Output is correct
57 Correct 30 ms 8468 KB Output is correct
58 Correct 40 ms 8468 KB Output is correct
59 Correct 38 ms 8480 KB Output is correct
60 Correct 31 ms 8468 KB Output is correct
61 Correct 29 ms 8504 KB Output is correct
62 Correct 41 ms 8452 KB Output is correct
63 Correct 38 ms 8548 KB Output is correct
64 Correct 39 ms 8468 KB Output is correct
65 Correct 33 ms 8500 KB Output is correct
66 Correct 41 ms 8456 KB Output is correct
67 Correct 39 ms 8524 KB Output is correct
68 Correct 40 ms 8460 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 0 ms 340 KB Output is correct
71 Correct 40 ms 8464 KB Output is correct
72 Correct 39 ms 8472 KB Output is correct
73 Correct 40 ms 8432 KB Output is correct
74 Correct 0 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 0 ms 340 KB Output is correct
78 Correct 171 ms 28600 KB Output is correct
79 Correct 76 ms 10552 KB Output is correct
80 Correct 150 ms 28576 KB Output is correct
81 Correct 42 ms 8704 KB Output is correct
82 Correct 148 ms 28568 KB Output is correct
83 Correct 110 ms 18084 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 0 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 596 KB Output is correct
89 Correct 2 ms 596 KB Output is correct
90 Correct 1 ms 596 KB Output is correct
91 Correct 2 ms 468 KB Output is correct
92 Correct 1 ms 468 KB Output is correct
93 Correct 1 ms 468 KB Output is correct
94 Correct 1 ms 468 KB Output is correct
95 Correct 1 ms 468 KB Output is correct
96 Correct 1 ms 468 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 596 KB Output is correct
100 Correct 1 ms 596 KB Output is correct
101 Correct 13 ms 3180 KB Output is correct
102 Correct 7 ms 1732 KB Output is correct
103 Correct 198 ms 29796 KB Output is correct
104 Correct 145 ms 29876 KB Output is correct
105 Correct 134 ms 20796 KB Output is correct
106 Correct 167 ms 29964 KB Output is correct
107 Correct 72 ms 12332 KB Output is correct
108 Correct 73 ms 14396 KB Output is correct
109 Correct 41 ms 10528 KB Output is correct
110 Correct 37 ms 9504 KB Output is correct
111 Correct 161 ms 27440 KB Output is correct
112 Correct 163 ms 25028 KB Output is correct
113 Correct 86 ms 12480 KB Output is correct
114 Correct 164 ms 29772 KB Output is correct
115 Correct 152 ms 29872 KB Output is correct