| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 287462 | 2020-08-31T17:11:25 Z | Namnamseo | 스탬프 수집 (JOI16_ho_t2) | C++17 | 4 ms | 3672 KB |
#include <cstdio>
#include <algorithm>
using namespace std;
typedef long long ll;
char s[100010];
ll pj[100010];
ll po[100010];
ll si[100010];
ll so[100010];
int main(){
int n;
scanf("%d%s", &n, s+1);
ll z = 0;
for(int i=1; i<=n; ++i){
pj[i] = pj[i-1] + (s[i] == 'J');
po[i] = po[i-1] + (s[i] == 'O' ? pj[i] : 0);
if(s[i] == 'I') z += po[i];
}
for(int i=n; 1<=i; --i){
si[i] = si[i+1] + (s[i] == 'I');
so[i] = so[i+1] + (s[i] == 'O' ? si[i] : 0);
}
ll ans = 0;
for(int i=0; i<=n; ++i){
ans = max(ans, so[i+1]);
ans = max(ans, pj[i] * si[i+1]);
ans = max(ans, po[i]);
}
printf("%lld\n", ans + z);
return 0;
}
Compilation message
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 384 KB | Output is correct |
| 2 | Correct | 1 ms | 384 KB | Output is correct |
| 3 | Correct | 0 ms | 384 KB | Output is correct |
| 4 | Correct | 0 ms | 384 KB | Output is correct |
| 5 | Correct | 1 ms | 384 KB | Output is correct |
| 6 | Correct | 0 ms | 360 KB | Output is correct |
| 7 | Correct | 0 ms | 384 KB | Output is correct |
| 8 | Correct | 0 ms | 384 KB | Output is correct |
| 9 | Correct | 1 ms | 356 KB | Output is correct |
| 10 | Correct | 0 ms | 384 KB | Output is correct |
| 11 | Correct | 1 ms | 384 KB | Output is correct |
| 12 | Correct | 0 ms | 384 KB | Output is correct |
| 13 | Correct | 0 ms | 384 KB | Output is correct |
| 14 | Correct | 1 ms | 384 KB | Output is correct |
| 15 | Correct | 1 ms | 384 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 384 KB | Output is correct |
| 2 | Correct | 1 ms | 384 KB | Output is correct |
| 3 | Correct | 0 ms | 384 KB | Output is correct |
| 4 | Correct | 0 ms | 384 KB | Output is correct |
| 5 | Correct | 1 ms | 384 KB | Output is correct |
| 6 | Correct | 0 ms | 360 KB | Output is correct |
| 7 | Correct | 0 ms | 384 KB | Output is correct |
| 8 | Correct | 0 ms | 384 KB | Output is correct |
| 9 | Correct | 1 ms | 356 KB | Output is correct |
| 10 | Correct | 0 ms | 384 KB | Output is correct |
| 11 | Correct | 1 ms | 384 KB | Output is correct |
| 12 | Correct | 0 ms | 384 KB | Output is correct |
| 13 | Correct | 0 ms | 384 KB | Output is correct |
| 14 | Correct | 1 ms | 384 KB | Output is correct |
| 15 | Correct | 1 ms | 384 KB | Output is correct |
| 16 | Correct | 1 ms | 384 KB | Output is correct |
| 17 | Correct | 0 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 | 0 ms | 384 KB | Output is correct |
| 22 | Correct | 1 ms | 384 KB | Output is correct |
| 23 | Correct | 0 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 | 0 ms | 384 KB | Output is correct |
| 30 | Correct | 0 ms | 384 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 1 ms | 384 KB | Output is correct |
| 2 | Correct | 1 ms | 384 KB | Output is correct |
| 3 | Correct | 0 ms | 384 KB | Output is correct |
| 4 | Correct | 0 ms | 384 KB | Output is correct |
| 5 | Correct | 1 ms | 384 KB | Output is correct |
| 6 | Correct | 0 ms | 360 KB | Output is correct |
| 7 | Correct | 0 ms | 384 KB | Output is correct |
| 8 | Correct | 0 ms | 384 KB | Output is correct |
| 9 | Correct | 1 ms | 356 KB | Output is correct |
| 10 | Correct | 0 ms | 384 KB | Output is correct |
| 11 | Correct | 1 ms | 384 KB | Output is correct |
| 12 | Correct | 0 ms | 384 KB | Output is correct |
| 13 | Correct | 0 ms | 384 KB | Output is correct |
| 14 | Correct | 1 ms | 384 KB | Output is correct |
| 15 | Correct | 1 ms | 384 KB | Output is correct |
| 16 | Correct | 1 ms | 384 KB | Output is correct |
| 17 | Correct | 0 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 | 0 ms | 384 KB | Output is correct |
| 22 | Correct | 1 ms | 384 KB | Output is correct |
| 23 | Correct | 0 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 | 0 ms | 384 KB | Output is correct |
| 30 | Correct | 0 ms | 384 KB | Output is correct |
| 31 | Correct | 3 ms | 3584 KB | Output is correct |
| 32 | Correct | 3 ms | 3584 KB | Output is correct |
| 33 | Correct | 3 ms | 3672 KB | Output is correct |
| 34 | Correct | 3 ms | 3584 KB | Output is correct |
| 35 | Correct | 3 ms | 3584 KB | Output is correct |
| 36 | Correct | 3 ms | 3584 KB | Output is correct |
| 37 | Correct | 3 ms | 3584 KB | Output is correct |
| 38 | Correct | 3 ms | 3584 KB | Output is correct |
| 39 | Correct | 3 ms | 3584 KB | Output is correct |
| 40 | Correct | 3 ms | 3584 KB | Output is correct |
| 41 | Correct | 3 ms | 3584 KB | Output is correct |
| 42 | Correct | 3 ms | 3584 KB | Output is correct |
| 43 | Correct | 4 ms | 3584 KB | Output is correct |
| 44 | Correct | 4 ms | 3584 KB | Output is correct |
| 45 | Correct | 3 ms | 3584 KB | Output is correct |