# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
896398 |
2024-01-01T11:19:19 Z |
MongHwa |
None (JOI16_ho_t2) |
C++17 |
|
5 ms |
3160 KB |
#include <iostream>
using namespace std;
#define ll long long
ll J[100005], O[100005], I[100005];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n; string s;
cin >> n >> s;
ll org = 0;
for(int i = 0; i < n; i++)
{
J[i+1] = J[i];
if(s[i] == 'J')
J[i+1]++;
}
for(int i = 0; i < n; i++)
{
O[i+1] = O[i];
if(s[i] == 'O')
O[i+1] += J[i+1];
}
for(int i = 0; i < n; i++)
{
I[i+1] = I[i];
if(s[i] == 'I')
I[i+1] += O[i+1];
}
org = I[n];
ll ans = org;
for(int i = 1; i <= n; i++)
ans = max(ans, org + O[i]);
fill(O, O+n+1, 0);
fill(I, I+n+1, 0);
for(int i = n-1; i >= 0; i--)
{
I[i] = I[i+1];
if(s[i] == 'I')
I[i]++;
}
for(int i = n-1; i >= 0; i--)
{
O[i] = O[i+1];
if(s[i] == 'O')
O[i] += I[i];
}
for(int i = 0; i < n; i++)
ans = max(ans, org + O[i]);
fill(J, J+n+1, 0);
fill(I, I+n+1, 0);
for(int i = 0; i < n; i++)
{
J[i+1] = J[i], I[i+1] = I[i];
if(s[i] == 'J')
J[i+1]++;
else if(s[i] == 'I')
I[i+1]++;
}
for(int i = 1; i < n; i++)
ans = max(ans, org + J[i]*(I[n]-I[i]));
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 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 |
600 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
464 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
460 KB |
Output is correct |
13 |
Correct |
0 ms |
344 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 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 |
600 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
3 ms |
2908 KB |
Output is correct |
32 |
Correct |
3 ms |
2908 KB |
Output is correct |
33 |
Correct |
3 ms |
2908 KB |
Output is correct |
34 |
Correct |
3 ms |
2904 KB |
Output is correct |
35 |
Correct |
3 ms |
2908 KB |
Output is correct |
36 |
Correct |
5 ms |
3036 KB |
Output is correct |
37 |
Correct |
4 ms |
2904 KB |
Output is correct |
38 |
Correct |
4 ms |
3160 KB |
Output is correct |
39 |
Correct |
4 ms |
3124 KB |
Output is correct |
40 |
Correct |
4 ms |
2904 KB |
Output is correct |
41 |
Correct |
4 ms |
2908 KB |
Output is correct |
42 |
Correct |
4 ms |
2908 KB |
Output is correct |
43 |
Correct |
4 ms |
2908 KB |
Output is correct |
44 |
Correct |
4 ms |
2908 KB |
Output is correct |
45 |
Correct |
3 ms |
2892 KB |
Output is correct |