# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
582506 |
2022-06-24T01:19:33 Z |
teki |
JJOOII 2 (JOI20_ho_t2) |
C++11 |
|
30 ms |
3296 KB |
#include <bits/stdc++.h>
using namespace std;
int main()
{
#if LOCAL_DEBUG
fstream cin("in.txt");
#endif
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n,k;
cin>>n>>k;
int pref[3][n+5];
memset(pref,0,sizeof(pref));
/// J pa O pa I
string s;
cin>>s;
// konstruirame tabela na prefiks suma, samo go koristime brojot od prethodnata pozicija i dodavame 1 ako go ima karakterot sto go razgleduvame
// vo ovaa implementacija, koristam vestacki prazna 0-ta pozicija za da mi bide polesno se
for (int i = 0; i<n; i++) {
pref[0][i+1] = pref[0][i] + (s[i] == 'J');
pref[1][i+1] = pref[1][i] + (s[i] == 'O');
pref[2][i+1] = pref[2][i] + (s[i] == 'I');
}
int curr[3];
int res = INT_MAX/2;
for (int i = 0; i<=n; i++) {
for (int j = 0; j<3; j++) curr[j] = pref[j][i]; // go cuvame posledniot broj na karakteri od sekoj tip postojano za da moze da sporedime
int newPos = i;
int resC = 0;
for (int j = 0; j<3; j++) {
auto itJ = lower_bound(pref[j]+newPos,pref[j]+(n+1),curr[j]+k); // najdi ja slednata pozicija so +k karakteri od ovoj tip
if (itJ == pref[j]+(n+1)) {resC = INT_MAX/2; break; } // ako nema, break, bidejkji nema rezultat za ovaa fiks. pozicija
newPos = itJ-pref[j]; // pomesti se na slednata pozicija
for (int k = 0; k<3; k++) if (k != j) resC += pref[k][newPos]-curr[k]; // dodaj ja razlikata na rezultatot
for (int k = 0; k<3; k++) curr[k] = pref[k][newPos];
}
res = min(res,resC); // go apdejtirame konecniot rezultat
}
if (res != INT_MAX/2) cout<<res<<endl;
else cout<<-1<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
316 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
320 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
316 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
244 KB |
Output is correct |
35 |
Correct |
1 ms |
324 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
324 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
316 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
320 KB |
Output is correct |
22 |
Correct |
1 ms |
320 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
316 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
244 KB |
Output is correct |
35 |
Correct |
1 ms |
324 KB |
Output is correct |
36 |
Correct |
19 ms |
3028 KB |
Output is correct |
37 |
Correct |
25 ms |
3188 KB |
Output is correct |
38 |
Correct |
30 ms |
3168 KB |
Output is correct |
39 |
Correct |
27 ms |
3160 KB |
Output is correct |
40 |
Correct |
18 ms |
3160 KB |
Output is correct |
41 |
Correct |
26 ms |
3212 KB |
Output is correct |
42 |
Correct |
27 ms |
3168 KB |
Output is correct |
43 |
Correct |
9 ms |
2132 KB |
Output is correct |
44 |
Correct |
11 ms |
2644 KB |
Output is correct |
45 |
Correct |
15 ms |
3168 KB |
Output is correct |
46 |
Correct |
15 ms |
3296 KB |
Output is correct |
47 |
Correct |
15 ms |
3168 KB |
Output is correct |
48 |
Correct |
15 ms |
3168 KB |
Output is correct |
49 |
Correct |
10 ms |
2272 KB |
Output is correct |
50 |
Correct |
14 ms |
3160 KB |
Output is correct |
51 |
Correct |
14 ms |
3168 KB |
Output is correct |
52 |
Correct |
7 ms |
3080 KB |
Output is correct |
53 |
Correct |
8 ms |
3200 KB |
Output is correct |
54 |
Correct |
13 ms |
3156 KB |
Output is correct |
55 |
Correct |
9 ms |
3168 KB |
Output is correct |
56 |
Correct |
8 ms |
3168 KB |
Output is correct |