oj.uz

Submission #572603

# Submission time Handle Problem Language Result Execution time Memory
572603 2022-06-04T18:58:52 Z groshi Monochrome Points (JOI20_monochrome) C++17
100 / 100
 52 ms 5764 KB 
#include<iostream>
#include<vector>
#include<string>
using namespace std;
#define int long long
vector<int> b,w;
int n;
int wyn(int ile)
{
    int wynik=0;
    for(int i=0;i<b.size();i++)
    {
        int l=b[i];
        int r=w[(i+ile)%n];
        if(l>r)
            swap(l,r);
        int ile1=(r-l-1);
        int ile2=2*n-ile1-2;
        wynik+=min(ile1,ile2);
    }
    return wynik/2;
}
int32_t main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    cin>>n;
    string s;
    cin>>s;
    for(int i=0;i<s.length();i++)
        if(s[i]=='B')
            b.push_back(i);
        else w.push_back(i);
    int pocz=0,kon=n,sre,ostd=0;
    while(pocz<kon)
    {
        sre=(pocz+kon)/2;
        if(wyn(sre)<wyn(sre+1))
        {
            ostd=sre+1;
            pocz=sre+1;
        }
        else kon=sre;
    }
    //for(int i=0;i<n;i++)
        //cout<<wyn(i)<<" ";
    cout<<wyn(ostd);
    return 0;
}

Compilation message

monochrome.cpp: In function 'long long int wyn(long long int)':
monochrome.cpp:11:18: 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]
   11 |     for(int i=0;i<b.size();i++)
      |                 ~^~~~~~~~~
monochrome.cpp: In function 'int32_t main()':
monochrome.cpp:31:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for(int i=0;i<s.length();i++)
      |                 ~^~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 280 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 228 KB Output is correct
9 Correct 1 ms 216 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 280 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 228 KB Output is correct
9 Correct 1 ms 216 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 220 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 220 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 228 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 220 KB Output is correct
29 Correct 1 ms 228 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 324 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 280 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 228 KB Output is correct
9 Correct 1 ms 216 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 220 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 220 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 228 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 220 KB Output is correct
29 Correct 1 ms 228 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 328 KB Output is correct
36 Correct 1 ms 324 KB Output is correct
37 Correct 1 ms 320 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 320 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 320 KB Output is correct
44 Correct 1 ms 324 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 356 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct

Subtask #4
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 280 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 228 KB Output is correct
9 Correct 1 ms 216 KB Output is correct
10 Correct 1 ms 324 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 316 KB Output is correct
20 Correct 1 ms 220 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 220 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 1 ms 228 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 316 KB Output is correct
28 Correct 1 ms 220 KB Output is correct
29 Correct 1 ms 228 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 324 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 328 KB Output is correct
36 Correct 1 ms 324 KB Output is correct
37 Correct 1 ms 320 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 320 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 320 KB Output is correct
44 Correct 1 ms 324 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 356 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 324 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 48 ms 4700 KB Output is correct
54 Correct 52 ms 4644 KB Output is correct
55 Correct 43 ms 4504 KB Output is correct
56 Correct 49 ms 4536 KB Output is correct
57 Correct 43 ms 4380 KB Output is correct
58 Correct 49 ms 4700 KB Output is correct
59 Correct 43 ms 4512 KB Output is correct
60 Correct 44 ms 4232 KB Output is correct
61 Correct 42 ms 4252 KB Output is correct
62 Correct 45 ms 4328 KB Output is correct
63 Correct 50 ms 4584 KB Output is correct
64 Correct 45 ms 5592 KB Output is correct
65 Correct 41 ms 4256 KB Output is correct
66 Correct 39 ms 5572 KB Output is correct
67 Correct 40 ms 5624 KB Output is correct
68 Correct 46 ms 5384 KB Output is correct
69 Correct 46 ms 4824 KB Output is correct
70 Correct 42 ms 4196 KB Output is correct
71 Correct 41 ms 5724 KB Output is correct
72 Correct 42 ms 5764 KB Output is correct
73 Correct 42 ms 4628 KB Output is correct