oj.uz

Submission #832687

# Submission time Handle Problem Language Result Execution time Memory
832687 2023-08-21T13:50:11 Z Marco_Escandon Arranging Shoes (IOI19_shoes) C++17
100 / 100
 291 ms 413420 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
struct st{
    vector<ll> asd;
    void update(ll a, ll b)
    {
        for(a; a<asd.size(); a+=(a&(-a)))
        {
            asd[a]+=b;
        }
    }
    ll query(ll a)
    {
        ll cont=0;
        for(a; a>0; a-=(a&(-a)))
        {
            cont+=asd[a];
        }
        return cont;
    }
    st(ll n)
    {
        asd.resize(2*n);
    }
};
#define op -s[i]+n
long long count_swaps(std::vector<int> s) {
    ll n= s.size();
    vector<ll> inv(n,0);
    vector<queue<ll>> asd(n*3);
    for(int i=0; i<n; i++)
        asd[s[i]+n].push(i);
    ll cont=1;
    for(int i=0; i<n; i++)
    {
        if(s[i]!=0)
        {
            if(s[i]<0)
            {
                inv[i]=cont;
                asd[s[i]+n].pop();
                cont++;
                inv[asd[op].front()]=cont;
                cont++;
            }
            else
            {
                inv[i]=cont+1;
                asd[s[i]+n].pop();
                inv[asd[op].front()]=cont;
                cont+=2;
            }
            s[asd[op].front()]=0;
            asd[op].pop();
            s[i]=0;
        }
    }
    st asdf(n);
    cont=0;
    /*for(auto i:inv)
    {
        cout<<i<<" ";
    }
    cout<<"\n";*/
    for(int i=n-1; i>-1; i--)
    {
        cont+=asdf.query(inv[i]);
        asdf.update(inv[i],1);
    }
    return cont;
}

Compilation message

shoes.cpp: In member function 'void st::update(ll, ll)':
shoes.cpp:8:13: warning: statement has no effect [-Wunused-value]
    8 |         for(a; a<asd.size(); a+=(a&(-a)))
      |             ^
shoes.cpp:8:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |         for(a; a<asd.size(); a+=(a&(-a)))
      |                ~^~~~~~~~~~~
shoes.cpp: In member function 'll st::query(ll)':
shoes.cpp:16:13: warning: statement has no effect [-Wunused-value]
   16 |         for(a; a>0; a-=(a&(-a)))
      |             ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 216 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 304 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 724 KB Output is correct
17 Correct 1 ms 1456 KB Output is correct
18 Correct 2 ms 4308 KB Output is correct
19 Correct 2 ms 4436 KB Output is correct
20 Correct 23 ms 41528 KB Output is correct
21 Correct 24 ms 41600 KB Output is correct
22 Correct 236 ms 413352 KB Output is correct
23 Correct 228 ms 413296 KB Output is correct
24 Correct 227 ms 413388 KB Output is correct
25 Correct 218 ms 413168 KB Output is correct
26 Correct 222 ms 413320 KB Output is correct
27 Correct 236 ms 413116 KB Output is correct
28 Correct 234 ms 413356 KB Output is correct
29 Correct 229 ms 413284 KB Output is correct
30 Correct 222 ms 413392 KB Output is correct
31 Correct 222 ms 413420 KB Output is correct
32 Correct 226 ms 413344 KB Output is correct
33 Correct 220 ms 413124 KB Output is correct
34 Correct 223 ms 413376 KB Output is correct
35 Correct 0 ms 300 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 229 ms 413392 KB Output is correct
38 Correct 235 ms 413260 KB Output is correct
39 Correct 230 ms 413364 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 232 ms 411676 KB Output is correct
6 Correct 225 ms 411648 KB Output is correct
7 Correct 279 ms 411688 KB Output is correct
8 Correct 223 ms 413388 KB Output is correct
9 Correct 244 ms 411676 KB Output is correct
10 Correct 275 ms 411696 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 216 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 300 KB Output is correct
38 Correct 0 ms 468 KB Output is correct
39 Correct 1 ms 724 KB Output is correct
40 Correct 1 ms 1492 KB Output is correct
41 Correct 3 ms 4308 KB Output is correct
42 Correct 2 ms 4308 KB Output is correct
43 Correct 2 ms 4400 KB Output is correct
44 Correct 2 ms 4308 KB Output is correct
45 Correct 2 ms 4308 KB Output is correct
46 Correct 2 ms 4308 KB Output is correct
47 Correct 2 ms 4308 KB Output is correct
48 Correct 3 ms 4308 KB Output is correct
49 Correct 3 ms 4308 KB Output is correct
50 Correct 3 ms 4308 KB Output is correct
51 Correct 3 ms 4360 KB Output is correct
52 Correct 2 ms 4404 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 300 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 300 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 300 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 304 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 296 KB Output is correct
25 Correct 0 ms 300 KB Output is correct
26 Correct 0 ms 296 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 308 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 216 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 304 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 724 KB Output is correct
51 Correct 1 ms 1456 KB Output is correct
52 Correct 2 ms 4308 KB Output is correct
53 Correct 2 ms 4436 KB Output is correct
54 Correct 23 ms 41528 KB Output is correct
55 Correct 24 ms 41600 KB Output is correct
56 Correct 236 ms 413352 KB Output is correct
57 Correct 228 ms 413296 KB Output is correct
58 Correct 227 ms 413388 KB Output is correct
59 Correct 218 ms 413168 KB Output is correct
60 Correct 222 ms 413320 KB Output is correct
61 Correct 236 ms 413116 KB Output is correct
62 Correct 234 ms 413356 KB Output is correct
63 Correct 229 ms 413284 KB Output is correct
64 Correct 222 ms 413392 KB Output is correct
65 Correct 222 ms 413420 KB Output is correct
66 Correct 226 ms 413344 KB Output is correct
67 Correct 220 ms 413124 KB Output is correct
68 Correct 223 ms 413376 KB Output is correct
69 Correct 0 ms 300 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 229 ms 413392 KB Output is correct
72 Correct 235 ms 413260 KB Output is correct
73 Correct 230 ms 413364 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 0 ms 212 KB Output is correct
78 Correct 232 ms 411676 KB Output is correct
79 Correct 225 ms 411648 KB Output is correct
80 Correct 279 ms 411688 KB Output is correct
81 Correct 223 ms 413388 KB Output is correct
82 Correct 244 ms 411676 KB Output is correct
83 Correct 275 ms 411696 KB Output is correct
84 Correct 0 ms 300 KB Output is correct
85 Correct 0 ms 468 KB Output is correct
86 Correct 1 ms 724 KB Output is correct
87 Correct 1 ms 1492 KB Output is correct
88 Correct 3 ms 4308 KB Output is correct
89 Correct 2 ms 4308 KB Output is correct
90 Correct 2 ms 4400 KB Output is correct
91 Correct 2 ms 4308 KB Output is correct
92 Correct 2 ms 4308 KB Output is correct
93 Correct 2 ms 4308 KB Output is correct
94 Correct 2 ms 4308 KB Output is correct
95 Correct 3 ms 4308 KB Output is correct
96 Correct 3 ms 4308 KB Output is correct
97 Correct 3 ms 4308 KB Output is correct
98 Correct 3 ms 4360 KB Output is correct
99 Correct 2 ms 4404 KB Output is correct
100 Correct 2 ms 4308 KB Output is correct
101 Correct 24 ms 41400 KB Output is correct
102 Correct 23 ms 41428 KB Output is correct
103 Correct 243 ms 411672 KB Output is correct
104 Correct 249 ms 411720 KB Output is correct
105 Correct 259 ms 411808 KB Output is correct
106 Correct 272 ms 411692 KB Output is correct
107 Correct 234 ms 411724 KB Output is correct
108 Correct 234 ms 411596 KB Output is correct
109 Correct 225 ms 413316 KB Output is correct
110 Correct 220 ms 413388 KB Output is correct
111 Correct 233 ms 411700 KB Output is correct
112 Correct 270 ms 411596 KB Output is correct
113 Correct 291 ms 411724 KB Output is correct
114 Correct 241 ms 411664 KB Output is correct
115 Correct 263 ms 411692 KB Output is correct