#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define pii pair<int, int>
#define FF first.first
#define FS first.second
#define pb push_back
using namespace std;
const ll N=1000006, INF=1e18, P=998244353;
ll q=1, n, m, x, y, z, l, r, c, k, a[N], b[3][N], f[N], ansl, ansr, ans, o, u, Ans[N];
vector <ll> v[3];
string s;
void solve(){
cin>>n>>k>>s;
for (int i=0; i<n; i++){
a[i]=(s[i]=='J')?0:((s[i]=='O')?1:2);
v[a[i]].pb(i);
}
for (int i=0; i<k; i++)v[1].pb(INF),v[2].pb(2*INF);
ans=INF;
for (int x0=0, x1=0, x2=0; x0+k-1<v[0].size(); x0++){
while(v[1][x1]<v[0][x0+k-1])x1++;
while(v[2][x2]<v[1][x1+k-1])x2++;
ans=min(ans, v[2][x2+k-1]-v[0][x0]+1-3*k);
}
cout<<(ans>n?-1:ans);
}
main(){ios_base::sync_with_stdio(false), cin.tie(0);
int T=1;
//cin>>T;
while(T--){
solve();
}
}
Compilation message
ho_t2.cpp: In function 'void solve()':
ho_t2.cpp:25:38: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
25 | for (int x0=0, x1=0, x2=0; x0+k-1<v[0].size(); x0++){
| ~~~~~~^~~~~~~~~~~~
ho_t2.cpp: At global scope:
ho_t2.cpp:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
36 | main(){ios_base::sync_with_stdio(false), cin.tie(0);
| ^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
0 ms |
336 KB |
Output is correct |
13 |
Correct |
0 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
0 ms |
336 KB |
Output is correct |
13 |
Correct |
0 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
0 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
300 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
0 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
320 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
0 ms |
304 KB |
Output is correct |
31 |
Correct |
0 ms |
300 KB |
Output is correct |
32 |
Correct |
1 ms |
304 KB |
Output is correct |
33 |
Correct |
1 ms |
320 KB |
Output is correct |
34 |
Correct |
1 ms |
324 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
332 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
316 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
0 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
324 KB |
Output is correct |
11 |
Correct |
1 ms |
312 KB |
Output is correct |
12 |
Correct |
0 ms |
336 KB |
Output is correct |
13 |
Correct |
0 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
0 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
300 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
328 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
384 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
328 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
0 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
320 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
0 ms |
304 KB |
Output is correct |
31 |
Correct |
0 ms |
300 KB |
Output is correct |
32 |
Correct |
1 ms |
304 KB |
Output is correct |
33 |
Correct |
1 ms |
320 KB |
Output is correct |
34 |
Correct |
1 ms |
324 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
5 ms |
3752 KB |
Output is correct |
37 |
Correct |
6 ms |
4424 KB |
Output is correct |
38 |
Correct |
6 ms |
4400 KB |
Output is correct |
39 |
Correct |
5 ms |
4504 KB |
Output is correct |
40 |
Correct |
7 ms |
4680 KB |
Output is correct |
41 |
Correct |
6 ms |
4548 KB |
Output is correct |
42 |
Correct |
6 ms |
4424 KB |
Output is correct |
43 |
Correct |
4 ms |
2968 KB |
Output is correct |
44 |
Correct |
5 ms |
4016 KB |
Output is correct |
45 |
Correct |
6 ms |
4488 KB |
Output is correct |
46 |
Correct |
6 ms |
4460 KB |
Output is correct |
47 |
Correct |
6 ms |
4540 KB |
Output is correct |
48 |
Correct |
5 ms |
4524 KB |
Output is correct |
49 |
Correct |
4 ms |
3092 KB |
Output is correct |
50 |
Correct |
7 ms |
4516 KB |
Output is correct |
51 |
Correct |
5 ms |
4512 KB |
Output is correct |
52 |
Correct |
5 ms |
4768 KB |
Output is correct |
53 |
Correct |
5 ms |
4808 KB |
Output is correct |
54 |
Correct |
4 ms |
4800 KB |
Output is correct |
55 |
Correct |
4 ms |
4812 KB |
Output is correct |
56 |
Correct |
6 ms |
5972 KB |
Output is correct |