#include <bits/stdc++.h>
using namespace std;
int n, m;
string a, b;
vector<vector<int>> get(){
a = '_' + a;
b = '-' + b;
vector<vector<int>> dp(n+1, vector<int> (m+1));
for(int i=1; i<=n; ++i){
for(int j=1; j<=m; ++j){
dp[i][j] = max(dp[i-1][j], dp[i][j-1]);
if(a[i] == b[j]) dp[i][j] = max(dp[i][j], dp[i-1][j-1] + 1);
}
}
a.erase(a.begin());
b.erase(b.begin());
return dp;
}
int solve(){
vector<vector<int>> x, y;
x = get();
reverse(a.begin(), a.end());
reverse(b.begin(), b.end());
y = get();
reverse(b.begin(), b.end());
int res = 0;
for(int i=1; i<=n; ++i)
for(int j=1; j<=m; ++j)
res = max(res, x[i][m-j] + y[n-i][m]);
return res;
}
signed main(){
cin.tie(0)->sync_with_stdio(0);
cin >> a >> b;
n = a.size(), m = b.size();
cout << max(solve(), solve());
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
6 |
Incorrect |
3 ms |
1100 KB |
Output isn't correct |
7 |
Correct |
25 ms |
8232 KB |
Output is correct |
8 |
Incorrect |
28 ms |
8252 KB |
Output isn't correct |
9 |
Incorrect |
27 ms |
8248 KB |
Output isn't correct |
10 |
Incorrect |
26 ms |
8156 KB |
Output isn't correct |
11 |
Incorrect |
28 ms |
9036 KB |
Output isn't correct |
12 |
Incorrect |
39 ms |
10480 KB |
Output isn't correct |
13 |
Incorrect |
35 ms |
10476 KB |
Output isn't correct |
14 |
Incorrect |
29 ms |
9420 KB |
Output isn't correct |
15 |
Incorrect |
35 ms |
11116 KB |
Output isn't correct |
16 |
Incorrect |
30 ms |
9060 KB |
Output isn't correct |
17 |
Incorrect |
24 ms |
6900 KB |
Output isn't correct |
18 |
Incorrect |
34 ms |
10580 KB |
Output isn't correct |
19 |
Incorrect |
27 ms |
8156 KB |
Output isn't correct |
20 |
Incorrect |
31 ms |
9620 KB |
Output isn't correct |
21 |
Incorrect |
7 ms |
2380 KB |
Output isn't correct |
22 |
Incorrect |
11 ms |
3896 KB |
Output isn't correct |
23 |
Incorrect |
16 ms |
5424 KB |
Output isn't correct |
24 |
Incorrect |
17 ms |
5688 KB |
Output isn't correct |
25 |
Incorrect |
24 ms |
7564 KB |
Output isn't correct |