oj.uz

Submission #482910

# Submission time Handle Problem Language Result Execution time Memory
482910 2021-10-26T17:46:05 Z cristi_a JJOOII 2 (JOI20_ho_t2) C++17
100 / 100
 10 ms 3152 KB 
#include <bits/stdc++.h>
using namespace std;

const int nmax = 2e5 + 5;

int sj[nmax],so[nmax],si[nmax];

int main () {
  int n,k; cin >> n >> k;
  string t; cin >> t;
  t = "X" + t;
  for(int i=1; i<=n; i++) {
    sj[i] = sj[i-1] + (t[i]=='J');
    so[i] = so[i-1] + (t[i]=='O');
    si[i] = si[i-1] + (t[i]=='I');
  }
  int j = 0;
  int o = 0;
  int i = 0;
  int mn = 1e9;
  for(int l=0; l<n; l++) {
    while(j<=n and sj[j]-sj[l]<k) j++;
    while(o<=n and so[o]-so[j]<k) o++;
    while(i<=n and si[i]-si[o]<k) i++;

    if(j<=n and o<=n and i<=n and i-l<mn)
      mn = i - l;
  }
  mn = mn - 3*k;
  if(mn>n) mn = -1;
  cout << mn;
  return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 360 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 296 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 296 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 360 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 0 ms 332 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 0 ms 332 KB Output is correct
35 Correct 0 ms 332 KB Output is correct
36 Correct 8 ms 2964 KB Output is correct
37 Correct 9 ms 3096 KB Output is correct
38 Correct 9 ms 3088 KB Output is correct
39 Correct 9 ms 3096 KB Output is correct
40 Correct 8 ms 3096 KB Output is correct
41 Correct 9 ms 3096 KB Output is correct
42 Correct 9 ms 3116 KB Output is correct
43 Correct 5 ms 2016 KB Output is correct
44 Correct 6 ms 2500 KB Output is correct
45 Correct 8 ms 3096 KB Output is correct
46 Correct 7 ms 3096 KB Output is correct
47 Correct 8 ms 3096 KB Output is correct
48 Correct 10 ms 3152 KB Output is correct
49 Correct 6 ms 2136 KB Output is correct
50 Correct 7 ms 3096 KB Output is correct
51 Correct 7 ms 3096 KB Output is correct
52 Correct 8 ms 2976 KB Output is correct
53 Correct 7 ms 3052 KB Output is correct
54 Correct 7 ms 3096 KB Output is correct
55 Correct 6 ms 3096 KB Output is correct
56 Correct 7 ms 3096 KB Output is correct