oj.uz

Submission #636938

# Submission time Handle Problem Language Result Execution time Memory
636938 2022-08-30T15:03:55 Z beaconmc JJOOII 2 (JOI20_ho_t2) PyPy 3
100 / 100
 223 ms 37428 KB 
from bisect import *
from math import *
n,k = map(int, input().split())
s = input()

pref1 = [int(s[0]=="J")]
pref2 = [int(s[0]=="O")]
pref3 = [int(s[0]=="I")]

for i in range(1,n):
    pref1.append(pref1[-1]+(s[i]=="J"))
    pref2.append(pref2[-1]+(s[i]=="O"))
    pref3.append(pref3[-1]+(s[i]=="I"))

ans = n+1
for i in range(n):
    p = bisect_left(pref1,i+1)
    a = bisect_left(pref1,i+k)
    if a>=n:continue
    b = bisect_left(pref2, pref2[a]+k)
    if b>=n:continue
    c = bisect_left(pref3, pref3[b]+k)
    if c>=n:continue

    ans = min(ans, c-p+1-3*k)

print(-1 if ans==n+1 else ans)

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 18180 KB Output is correct
2 Correct 35 ms 18260 KB Output is correct
3 Correct 33 ms 18204 KB Output is correct
4 Correct 33 ms 18204 KB Output is correct
5 Correct 33 ms 18220 KB Output is correct
6 Correct 34 ms 18240 KB Output is correct
7 Correct 37 ms 18228 KB Output is correct
8 Correct 37 ms 18252 KB Output is correct
9 Correct 38 ms 18252 KB Output is correct
10 Correct 45 ms 18260 KB Output is correct
11 Correct 34 ms 18172 KB Output is correct
12 Correct 34 ms 18228 KB Output is correct
13 Correct 35 ms 18320 KB Output is correct
14 Correct 34 ms 18160 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 18180 KB Output is correct
2 Correct 35 ms 18260 KB Output is correct
3 Correct 33 ms 18204 KB Output is correct
4 Correct 33 ms 18204 KB Output is correct
5 Correct 33 ms 18220 KB Output is correct
6 Correct 34 ms 18240 KB Output is correct
7 Correct 37 ms 18228 KB Output is correct
8 Correct 37 ms 18252 KB Output is correct
9 Correct 38 ms 18252 KB Output is correct
10 Correct 45 ms 18260 KB Output is correct
11 Correct 34 ms 18172 KB Output is correct
12 Correct 34 ms 18228 KB Output is correct
13 Correct 35 ms 18320 KB Output is correct
14 Correct 34 ms 18160 KB Output is correct
15 Correct 58 ms 20568 KB Output is correct
16 Correct 80 ms 20336 KB Output is correct
17 Correct 58 ms 20264 KB Output is correct
18 Correct 59 ms 20636 KB Output is correct
19 Correct 61 ms 20380 KB Output is correct
20 Correct 59 ms 20284 KB Output is correct
21 Correct 58 ms 20392 KB Output is correct
22 Correct 57 ms 20632 KB Output is correct
23 Correct 54 ms 20260 KB Output is correct
24 Correct 59 ms 20340 KB Output is correct
25 Correct 58 ms 20444 KB Output is correct
26 Correct 67 ms 20436 KB Output is correct
27 Correct 62 ms 20392 KB Output is correct
28 Correct 58 ms 20592 KB Output is correct
29 Correct 58 ms 20312 KB Output is correct
30 Correct 59 ms 20360 KB Output is correct
31 Correct 56 ms 20020 KB Output is correct
32 Correct 58 ms 20520 KB Output is correct
33 Correct 57 ms 20204 KB Output is correct
34 Correct 58 ms 20632 KB Output is correct
35 Correct 57 ms 20516 KB Output is correct

Subtask #3
87.0 / 87.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 18180 KB Output is correct
2 Correct 35 ms 18260 KB Output is correct
3 Correct 33 ms 18204 KB Output is correct
4 Correct 33 ms 18204 KB Output is correct
5 Correct 33 ms 18220 KB Output is correct
6 Correct 34 ms 18240 KB Output is correct
7 Correct 37 ms 18228 KB Output is correct
8 Correct 37 ms 18252 KB Output is correct
9 Correct 38 ms 18252 KB Output is correct
10 Correct 45 ms 18260 KB Output is correct
11 Correct 34 ms 18172 KB Output is correct
12 Correct 34 ms 18228 KB Output is correct
13 Correct 35 ms 18320 KB Output is correct
14 Correct 34 ms 18160 KB Output is correct
15 Correct 58 ms 20568 KB Output is correct
16 Correct 80 ms 20336 KB Output is correct
17 Correct 58 ms 20264 KB Output is correct
18 Correct 59 ms 20636 KB Output is correct
19 Correct 61 ms 20380 KB Output is correct
20 Correct 59 ms 20284 KB Output is correct
21 Correct 58 ms 20392 KB Output is correct
22 Correct 57 ms 20632 KB Output is correct
23 Correct 54 ms 20260 KB Output is correct
24 Correct 59 ms 20340 KB Output is correct
25 Correct 58 ms 20444 KB Output is correct
26 Correct 67 ms 20436 KB Output is correct
27 Correct 62 ms 20392 KB Output is correct
28 Correct 58 ms 20592 KB Output is correct
29 Correct 58 ms 20312 KB Output is correct
30 Correct 59 ms 20360 KB Output is correct
31 Correct 56 ms 20020 KB Output is correct
32 Correct 58 ms 20520 KB Output is correct
33 Correct 57 ms 20204 KB Output is correct
34 Correct 58 ms 20632 KB Output is correct
35 Correct 57 ms 20516 KB Output is correct
36 Correct 184 ms 32104 KB Output is correct
37 Correct 193 ms 36572 KB Output is correct
38 Correct 195 ms 36580 KB Output is correct
39 Correct 189 ms 36708 KB Output is correct
40 Correct 200 ms 36640 KB Output is correct
41 Correct 180 ms 36652 KB Output is correct
42 Correct 223 ms 36632 KB Output is correct
43 Correct 145 ms 28808 KB Output is correct
44 Correct 161 ms 33116 KB Output is correct
45 Correct 153 ms 35084 KB Output is correct
46 Correct 158 ms 36220 KB Output is correct
47 Correct 155 ms 36304 KB Output is correct
48 Correct 157 ms 35132 KB Output is correct
49 Correct 130 ms 30036 KB Output is correct
50 Correct 168 ms 35172 KB Output is correct
51 Correct 157 ms 35256 KB Output is correct
52 Correct 127 ms 36692 KB Output is correct
53 Correct 129 ms 36660 KB Output is correct
54 Correct 181 ms 33864 KB Output is correct
55 Correct 141 ms 33848 KB Output is correct
56 Correct 121 ms 37428 KB Output is correct