# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
256377 |
2020-08-02T15:49:29 Z |
shayan_p |
Vim (BOI13_vim) |
C++14 |
|
2000 ms |
286820 KB |
// And you curse yourself for things you never done
#include<bits/stdc++.h>
#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int maxn = 70010, mod = 1e9 + 7, inf = 1e9 + 10;
int nxt[maxn][10], lst[10];
unordered_map<int, int> dp[maxn];
vector<int> poses;
int solve(int i, int j){
if(i >= sz(poses))
return 0;
if(dp[i].count(j))
return dp[i][j];
int ans = inf;
if(j >= poses[i])
ans = j - poses[i] + solve( upper_bound(poses.begin(), poses.end(), j) - poses.begin(), poses[i] );
if(nxt[ poses[i] ][8] + 10 < j)
return dp[i][j] = ans;
int pt = lower_bound(nxt[j], nxt[j] + 10, poses[i]) - nxt[j];
for(int w = 8 ; w >= 0 && nxt[j][w] != j && w >= pt-1; w--)
ans = min(ans, 2 + solve(i, nxt[j][w]));
return dp[i][j] = ans;
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie();
int n;
cin >> n;
string _s, s;
cin >> _s;
int ans = 0;
for(int i = 0; i < n; i++){
if(_s[i] == 'e')
ans+= 2;
if(_s[i] == 'e' && _s[i + 1] != 'e')
poses.PB(sz(s));
if(_s[i] != 'e')
s+= _s[i];
}
memset(lst, -1, sizeof lst);
memset(nxt, -1, sizeof nxt);
n = sz(s);
for(int i = n-1; i >= 0; i--){
for(int j = 0; j < 9; j++)
nxt[i][j] = (lst[j] == -1 ? i : lst[j]);
sort(nxt[i], nxt[i] + 9);
nxt[i][9] = inf;
int id = (s[i] - 'a') - (s[i] > 'e');
lst[id] = i;
}
ans+= solve(0, 0);
return cout << ans << "\n", 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
8064 KB |
Output is correct |
2 |
Correct |
8 ms |
7680 KB |
Output is correct |
3 |
Correct |
7 ms |
7424 KB |
Output is correct |
4 |
Correct |
8 ms |
7552 KB |
Output is correct |
5 |
Correct |
15 ms |
8320 KB |
Output is correct |
6 |
Correct |
9 ms |
7680 KB |
Output is correct |
7 |
Correct |
9 ms |
7808 KB |
Output is correct |
8 |
Correct |
4 ms |
6912 KB |
Output is correct |
9 |
Correct |
4 ms |
6912 KB |
Output is correct |
10 |
Correct |
5 ms |
6912 KB |
Output is correct |
11 |
Correct |
4 ms |
6912 KB |
Output is correct |
12 |
Correct |
4 ms |
6912 KB |
Output is correct |
13 |
Correct |
11 ms |
7936 KB |
Output is correct |
14 |
Correct |
8 ms |
7680 KB |
Output is correct |
15 |
Correct |
6 ms |
7424 KB |
Output is correct |
16 |
Correct |
8 ms |
7552 KB |
Output is correct |
17 |
Correct |
8 ms |
7552 KB |
Output is correct |
18 |
Correct |
9 ms |
7424 KB |
Output is correct |
19 |
Incorrect |
10 ms |
7808 KB |
Output isn't correct |
20 |
Correct |
13 ms |
7808 KB |
Output is correct |
21 |
Correct |
9 ms |
7552 KB |
Output is correct |
22 |
Correct |
13 ms |
8320 KB |
Output is correct |
23 |
Correct |
9 ms |
7680 KB |
Output is correct |
24 |
Correct |
10 ms |
7680 KB |
Output is correct |
25 |
Correct |
7 ms |
7296 KB |
Output is correct |
26 |
Correct |
6 ms |
7168 KB |
Output is correct |
27 |
Correct |
8 ms |
7552 KB |
Output is correct |
28 |
Correct |
9 ms |
7680 KB |
Output is correct |
29 |
Correct |
10 ms |
7808 KB |
Output is correct |
30 |
Correct |
8 ms |
7552 KB |
Output is correct |
31 |
Correct |
11 ms |
7424 KB |
Output is correct |
32 |
Correct |
7 ms |
7296 KB |
Output is correct |
33 |
Correct |
6 ms |
7168 KB |
Output is correct |
34 |
Correct |
8 ms |
7424 KB |
Output is correct |
35 |
Correct |
9 ms |
7680 KB |
Output is correct |
36 |
Correct |
10 ms |
7808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
46 ms |
13688 KB |
Output is correct |
2 |
Correct |
59 ms |
15864 KB |
Output is correct |
3 |
Correct |
36 ms |
11768 KB |
Output is correct |
4 |
Correct |
50 ms |
13688 KB |
Output is correct |
5 |
Correct |
168 ms |
28696 KB |
Output is correct |
6 |
Correct |
806 ms |
92408 KB |
Output is correct |
7 |
Correct |
156 ms |
28252 KB |
Output is correct |
8 |
Correct |
68 ms |
15864 KB |
Output is correct |
9 |
Correct |
58 ms |
15864 KB |
Output is correct |
10 |
Incorrect |
78 ms |
18040 KB |
Output isn't correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
2091 ms |
231748 KB |
Time limit exceeded |
2 |
Correct |
319 ms |
53848 KB |
Output is correct |
3 |
Correct |
472 ms |
73464 KB |
Output is correct |
4 |
Execution timed out |
2094 ms |
286820 KB |
Time limit exceeded |
5 |
Execution timed out |
2107 ms |
257912 KB |
Time limit exceeded |
6 |
Incorrect |
631 ms |
96888 KB |
Output isn't correct |
7 |
Execution timed out |
2085 ms |
223668 KB |
Time limit exceeded |
8 |
Execution timed out |
2076 ms |
186360 KB |
Time limit exceeded |
9 |
Execution timed out |
2102 ms |
230336 KB |
Time limit exceeded |
10 |
Correct |
981 ms |
129100 KB |
Output is correct |
11 |
Execution timed out |
2099 ms |
266348 KB |
Time limit exceeded |
12 |
Execution timed out |
2062 ms |
214704 KB |
Time limit exceeded |
13 |
Correct |
535 ms |
80740 KB |
Output is correct |
14 |
Correct |
393 ms |
60764 KB |
Output is correct |
15 |
Correct |
675 ms |
102520 KB |
Output is correct |
16 |
Execution timed out |
2079 ms |
224172 KB |
Time limit exceeded |
17 |
Execution timed out |
2057 ms |
209104 KB |
Time limit exceeded |
18 |
Correct |
516 ms |
73740 KB |
Output is correct |
19 |
Correct |
324 ms |
53880 KB |
Output is correct |
20 |
Correct |
562 ms |
89976 KB |
Output is correct |