oj.uz

Submission #868615

# Submission time Handle Problem Language Result Execution time Memory
868615 2023-11-01T02:19:20 Z 12345678 JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 23 ms 3556 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=2e5+5;
int n, k, mp[100], qs[3][nx], res=INT_MAX;
string s;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>k>>s;
    mp['J']=0; mp['O']=1; mp['I']=2;
    for (int i=1; i<=n; i++) qs[0][i]=qs[0][i-1], qs[1][i]=qs[1][i-1], qs[2][i]=qs[2][i-1], qs[mp[s[i-1]]][i]++;
    qs[0][n+1]=qs[1][n+1]=qs[2][n+1]=INT_MAX;
    //for (int i=1; i<=n+1; i++) cout<<i<<' '<<qs[0][i]<<' '<<qs[1][i]<<' '<<qs[2][i]<<'\n';
    for (int i=1; i<=n; i++)
    {
        int c=i;
        int v1=lower_bound(qs[0]+1, qs[0]+n+2, qs[0][c-1]+k)-(qs[0])+1;
        int v2=lower_bound(qs[1]+1, qs[1]+n+2, qs[1][v1-1]+k)-(qs[1])+1;
        int v3=lower_bound(qs[2]+1, qs[2]+n+2, qs[2][v2-1]+k)-(qs[2]);
        //cout<<i<<' '<<v1<<' '<<v2<<' '<<v3<<'\n';
        if (v1>=n+1||v2>=n+1||v3>=n+1) continue;
        res=min(res, v3-i+1-3*k);
    } 
    if (res==INT_MAX) cout<<-1;
    else cout<<res;
}

Compilation message

ho_t2.cpp: In function 'int main()':
ho_t2.cpp:14:105: warning: array subscript has type 'char' [-Wchar-subscripts]
   14 |     for (int i=1; i<=n; i++) qs[0][i]=qs[0][i-1], qs[1][i]=qs[1][i-1], qs[2][i]=qs[2][i-1], qs[mp[s[i-1]]][i]++;
      |                                                                                                         ^

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 360 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 468 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 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 460 KB Output is correct
11 Correct 1 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

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 360 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 468 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 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 460 KB Output is correct
11 Correct 1 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 1 ms 348 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 464 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 468 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 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 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 360 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 468 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 344 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 460 KB Output is correct
11 Correct 1 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 1 ms 348 KB Output is correct
16 Correct 1 ms 464 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 464 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 468 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 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 1 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 23 ms 3048 KB Output is correct
37 Correct 22 ms 3208 KB Output is correct
38 Correct 21 ms 3304 KB Output is correct
39 Correct 20 ms 3304 KB Output is correct
40 Correct 17 ms 3304 KB Output is correct
41 Correct 19 ms 3300 KB Output is correct
42 Correct 21 ms 3300 KB Output is correct
43 Correct 12 ms 2140 KB Output is correct
44 Correct 13 ms 2572 KB Output is correct
45 Correct 16 ms 3304 KB Output is correct
46 Correct 16 ms 3304 KB Output is correct
47 Correct 16 ms 3304 KB Output is correct
48 Correct 16 ms 3304 KB Output is correct
49 Correct 11 ms 2268 KB Output is correct
50 Correct 23 ms 3304 KB Output is correct
51 Correct 16 ms 3304 KB Output is correct
52 Correct 12 ms 3056 KB Output is correct
53 Correct 13 ms 3304 KB Output is correct
54 Correct 15 ms 3304 KB Output is correct
55 Correct 13 ms 3556 KB Output is correct
56 Correct 13 ms 3304 KB Output is correct