#include <iostream>
#include <vector>
using namespace std;
int n, k, l, r, mid, minn = 1e9, pos;
char c[200010];
vector<int> v[200];
int main() {
cin >> n >> k;
for (int i = 1; i <= n; i++) {
cin >> c[i];
v[c[i]].push_back(i);
}
for (int i = 1; i <= n; i++) {
if (c[i] == 'J') {
l = 0; r = (int)v['J'].size()-1;
while (l <= r) {
mid = (l+r)/2;
if (v['J'][mid] < i) l = mid+1;
else r = mid-1;
}
l += k-1;
if (l >= v['J'].size()) continue;
pos = v['J'][l];
l = 0; r = (int)v['O'].size()-1;
while (l <= r) {
mid = (l+r)/2;
if (v['O'][mid] < pos) l = mid+1;
else r = mid-1;
}
l += k-1;
if (l >= v['O'].size()) continue;
pos = v['O'][l];
l = 0; r = (int)v['I'].size()-1;
while (l <= r) {
mid = (l+r)/2;
if (v['I'][mid] < pos) l = mid+1;
else r = mid-1;
}
l += k-1;
if (l >= v['I'].size()) continue;
pos = v['I'][l];
minn = min(minn,pos-i+1-k*3);
}
}
if (minn == 1e9) cout << -1 << endl;
else cout << minn << endl;
}
Compilation message
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:13:8: warning: array subscript has type 'char' [-Wchar-subscripts]
13 | v[c[i]].push_back(i);
| ~~~^
ho_t2.cpp:24:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
24 | if (l >= v['J'].size()) continue;
| ~~^~~~~~~~~~~~~~~~
ho_t2.cpp:33:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
33 | if (l >= v['O'].size()) continue;
| ~~^~~~~~~~~~~~~~~~
ho_t2.cpp:42:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | if (l >= v['I'].size()) continue;
| ~~^~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
352 KB |
Output is correct |
| 2 |
Correct |
0 ms |
432 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
352 KB |
Output is correct |
| 6 |
Correct |
0 ms |
352 KB |
Output is correct |
| 7 |
Correct |
1 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
500 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
356 KB |
Output is correct |
| 13 |
Correct |
0 ms |
444 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
352 KB |
Output is correct |
| 2 |
Correct |
0 ms |
432 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
352 KB |
Output is correct |
| 6 |
Correct |
0 ms |
352 KB |
Output is correct |
| 7 |
Correct |
1 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
500 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
356 KB |
Output is correct |
| 13 |
Correct |
0 ms |
444 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
700 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
504 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
356 KB |
Output is correct |
| 30 |
Correct |
0 ms |
356 KB |
Output is correct |
| 31 |
Correct |
1 ms |
356 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
356 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
352 KB |
Output is correct |
| 2 |
Correct |
0 ms |
432 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
352 KB |
Output is correct |
| 6 |
Correct |
0 ms |
352 KB |
Output is correct |
| 7 |
Correct |
1 ms |
352 KB |
Output is correct |
| 8 |
Correct |
1 ms |
500 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
356 KB |
Output is correct |
| 13 |
Correct |
0 ms |
444 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
700 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
344 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
504 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
| 29 |
Correct |
1 ms |
356 KB |
Output is correct |
| 30 |
Correct |
0 ms |
356 KB |
Output is correct |
| 31 |
Correct |
1 ms |
356 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
356 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
19 ms |
1492 KB |
Output is correct |
| 37 |
Correct |
21 ms |
1952 KB |
Output is correct |
| 38 |
Correct |
20 ms |
2100 KB |
Output is correct |
| 39 |
Correct |
20 ms |
1976 KB |
Output is correct |
| 40 |
Correct |
22 ms |
1868 KB |
Output is correct |
| 41 |
Correct |
22 ms |
2008 KB |
Output is correct |
| 42 |
Correct |
21 ms |
2008 KB |
Output is correct |
| 43 |
Correct |
10 ms |
1372 KB |
Output is correct |
| 44 |
Correct |
17 ms |
1508 KB |
Output is correct |
| 45 |
Correct |
18 ms |
1940 KB |
Output is correct |
| 46 |
Correct |
17 ms |
2008 KB |
Output is correct |
| 47 |
Correct |
17 ms |
1860 KB |
Output is correct |
| 48 |
Correct |
16 ms |
2132 KB |
Output is correct |
| 49 |
Correct |
11 ms |
1312 KB |
Output is correct |
| 50 |
Correct |
16 ms |
2008 KB |
Output is correct |
| 51 |
Correct |
17 ms |
2008 KB |
Output is correct |
| 52 |
Correct |
12 ms |
1492 KB |
Output is correct |
| 53 |
Correct |
13 ms |
1804 KB |
Output is correct |
| 54 |
Correct |
16 ms |
2136 KB |
Output is correct |
| 55 |
Correct |
14 ms |
2088 KB |
Output is correct |
| 56 |
Correct |
16 ms |
2128 KB |
Output is correct |
