#include <bits/stdc++.h>
using namespace std;
int n, k;
string s;
vector<int> tr[3];
int start(int at) {
int jind = lower_bound(tr[0].begin(), tr[0].end(), at) - tr[0].begin();
if (jind + k >= tr[0].size()) return INT_MAX;
int oind = lower_bound(tr[1].begin(), tr[1].end(), tr[0][jind+k]) - tr[1].begin();
if (oind + k >= tr[1].size()) return INT_MAX;
int iind = lower_bound(tr[2].begin(), tr[2].end(), tr[1][oind+k]) - tr[2].begin();
if (iind + k >= tr[2].size()) return INT_MAX;
return tr[2][iind+k];
}
signed main() {
cin >> n >> k;
cin >> s;
k--;
for (int i=1; i<=n; i++) {
if (s[i-1] == 'J') tr[0].push_back(i);
if (s[i-1] == 'O') tr[1].push_back(i);
if (s[i-1] == 'I') tr[2].push_back(i);
}
int le = INT_MAX;
for (int i=1; i<=n; i++) {
le = min(le, start(i) - i + 1);
}
if (le > n) {
cout << -1 << endl;
}
else {
cout << le - 3 * (k+1) << endl;
}
}
Compilation message
ho_t2.cpp: In function 'int start(int)':
ho_t2.cpp:10:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
10 | if (jind + k >= tr[0].size()) return INT_MAX;
| ~~~~~~~~~^~~~~~~~~~~~~~~
ho_t2.cpp:12:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
12 | if (oind + k >= tr[1].size()) return INT_MAX;
| ~~~~~~~~~^~~~~~~~~~~~~~~
ho_t2.cpp:14:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
14 | if (iind + k >= tr[2].size()) return INT_MAX;
| ~~~~~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
404 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
256 KB |
Output is correct |
3 |
Correct |
1 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
1 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
1 ms |
384 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
384 KB |
Output is correct |
23 |
Correct |
1 ms |
384 KB |
Output is correct |
24 |
Correct |
1 ms |
384 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
1 ms |
384 KB |
Output is correct |
27 |
Correct |
1 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
512 KB |
Output is correct |
31 |
Correct |
1 ms |
404 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
1 ms |
384 KB |
Output is correct |
35 |
Correct |
1 ms |
384 KB |
Output is correct |
36 |
Correct |
34 ms |
1544 KB |
Output is correct |
37 |
Correct |
37 ms |
1868 KB |
Output is correct |
38 |
Correct |
39 ms |
2040 KB |
Output is correct |
39 |
Correct |
43 ms |
2052 KB |
Output is correct |
40 |
Correct |
30 ms |
2024 KB |
Output is correct |
41 |
Correct |
38 ms |
2040 KB |
Output is correct |
42 |
Correct |
36 ms |
1928 KB |
Output is correct |
43 |
Correct |
18 ms |
1288 KB |
Output is correct |
44 |
Correct |
22 ms |
1528 KB |
Output is correct |
45 |
Correct |
29 ms |
1960 KB |
Output is correct |
46 |
Correct |
29 ms |
1924 KB |
Output is correct |
47 |
Correct |
29 ms |
2056 KB |
Output is correct |
48 |
Correct |
39 ms |
2056 KB |
Output is correct |
49 |
Correct |
23 ms |
1292 KB |
Output is correct |
50 |
Correct |
31 ms |
1928 KB |
Output is correct |
51 |
Correct |
30 ms |
1928 KB |
Output is correct |
52 |
Correct |
21 ms |
1612 KB |
Output is correct |
53 |
Correct |
24 ms |
1868 KB |
Output is correct |
54 |
Correct |
22 ms |
2056 KB |
Output is correct |
55 |
Correct |
19 ms |
2056 KB |
Output is correct |
56 |
Correct |
19 ms |
2056 KB |
Output is correct |