# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
469349 |
2021-08-31T14:34:03 Z |
Drew_ |
JJOOII 2 (JOI20_ho_t2) |
C++17 |
|
321 ms |
3052 KB |
#include <bits/stdc++.h>
using namespace std;
constexpr int MAX = 2e5 + 69;
constexpr int inf = 1e9 + 69;
int n, k;
char s[MAX];
int bit[3][MAX];
inline void add(int y, int x, int val)
{
for (int i = x; i < MAX; i += (i & -i))
bit[y][i] += val;
}
inline int sum(int y, int x)
{
int res = 0;
for (int i = x; i > 0; i -= (i & -i))
res += bit[y][i];
return res;
}
int main()
{
ios :: sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> k >> (s+1);
for (int i = 1; i <= n; ++i)
{
if (s[i] == 'J') add(0, i, 1);
if (s[i] == 'O') add(1, i, 1);
if (s[i] == 'I') add(2, i, 1);
}
int res = inf;
for (int i = 0; i <= n; ++i)
{
int x = i+1;
for (int y = 0; y < 3; ++y)
{
int l = x, r = n+1;
while (l < r)
{
int mid = (l + r) >> 1;
if (sum(y, mid) - sum(y, x-1) < k) l = mid + 1;
else r = mid;
}
x = l;
}
if (x == n+1) break;
res = min(res, x-i - 3*k);
}
cout << (res == inf ? -1 : res) << '\n';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
4 ms |
332 KB |
Output is correct |
17 |
Correct |
3 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
3 ms |
332 KB |
Output is correct |
20 |
Correct |
3 ms |
332 KB |
Output is correct |
21 |
Correct |
2 ms |
332 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 |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
320 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
4 ms |
332 KB |
Output is correct |
17 |
Correct |
3 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
3 ms |
332 KB |
Output is correct |
20 |
Correct |
3 ms |
332 KB |
Output is correct |
21 |
Correct |
2 ms |
332 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 |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
262 ms |
2892 KB |
Output is correct |
37 |
Correct |
294 ms |
3040 KB |
Output is correct |
38 |
Correct |
287 ms |
3020 KB |
Output is correct |
39 |
Correct |
275 ms |
3020 KB |
Output is correct |
40 |
Correct |
76 ms |
3032 KB |
Output is correct |
41 |
Correct |
226 ms |
3052 KB |
Output is correct |
42 |
Correct |
321 ms |
3036 KB |
Output is correct |
43 |
Correct |
6 ms |
1996 KB |
Output is correct |
44 |
Correct |
7 ms |
2380 KB |
Output is correct |
45 |
Correct |
7 ms |
3020 KB |
Output is correct |
46 |
Correct |
8 ms |
3020 KB |
Output is correct |
47 |
Correct |
7 ms |
3020 KB |
Output is correct |
48 |
Correct |
7 ms |
3020 KB |
Output is correct |
49 |
Correct |
5 ms |
2124 KB |
Output is correct |
50 |
Correct |
7 ms |
3020 KB |
Output is correct |
51 |
Correct |
7 ms |
3020 KB |
Output is correct |
52 |
Correct |
7 ms |
2876 KB |
Output is correct |
53 |
Correct |
7 ms |
3020 KB |
Output is correct |
54 |
Correct |
98 ms |
1524 KB |
Output is correct |
55 |
Correct |
44 ms |
1484 KB |
Output is correct |
56 |
Correct |
5 ms |
1484 KB |
Output is correct |