#include <bits/stdc++.h>
using namespace std;
/** so there is complicated algo based on some research let's get it later
*
*
* you have to get that |lcs(a, b) - lcs(a, b[1..n-1] + b[0])| <= 2
* so if you have ans >= lcs(a, b) + 2 then ... push it
* */
const int N = 2024;
int dp[N][N], n, m;
string s[N], t[N];
int lcs(const string &a, const string &b) {
for (int i = 0; i < n; ++i) {
for (int j = 0; j < m; ++j) {
dp[i + 1][j + 1] = max(dp[i + 1][j], dp[i][j + 1]);
if (a[i] == b[j]) {
dp[i + 1][j + 1] = max(dp[i + 1][j + 1], dp[i][j] + 1);
}
}
}
return dp[n][m];
}
int main() {
// freopen("rowords.in", "r", stdin); freopen("rowords.out", "w", stdout);
string a, b;
getline(cin, a);
getline(cin, b);
n = a.length();
m = b.length();
int ans = 0;
for (int i = 0; i < n; ++i) {
s[i] = a.substr(i) + a.substr(0, i);
}
for (int i = 0; i < m; ++i) {
t[i] = b.substr(i) + b.substr(0, i);
}
for (int i = 0; i < 1; ++i) {
int curAns = 2;
for (int j = 0; j < m; ++j) {
if (ans <= curAns + 2) {
curAns = lcs(s[i], t[j]);
if (ans < curAns) {
ans = curAns;
}
}
curAns += 2;
}
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
600 KB |
Output isn't correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
600 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
37 ms |
6240 KB |
Output is correct |
7 |
Execution timed out |
2027 ms |
11096 KB |
Time limit exceeded |
8 |
Incorrect |
1439 ms |
11312 KB |
Output isn't correct |
9 |
Correct |
1465 ms |
11356 KB |
Output is correct |
10 |
Correct |
1351 ms |
11348 KB |
Output is correct |
11 |
Execution timed out |
2017 ms |
13400 KB |
Time limit exceeded |
12 |
Execution timed out |
2005 ms |
13912 KB |
Time limit exceeded |
13 |
Correct |
1942 ms |
14084 KB |
Output is correct |
14 |
Execution timed out |
2029 ms |
13656 KB |
Time limit exceeded |
15 |
Execution timed out |
2021 ms |
14168 KB |
Time limit exceeded |
16 |
Correct |
1869 ms |
13616 KB |
Output is correct |
17 |
Incorrect |
1101 ms |
15928 KB |
Output isn't correct |
18 |
Correct |
1265 ms |
16728 KB |
Output is correct |
19 |
Correct |
1669 ms |
11320 KB |
Output is correct |
20 |
Execution timed out |
2033 ms |
15960 KB |
Time limit exceeded |
21 |
Correct |
118 ms |
11868 KB |
Output is correct |
22 |
Correct |
276 ms |
15156 KB |
Output is correct |
23 |
Correct |
191 ms |
16364 KB |
Output is correct |
24 |
Incorrect |
572 ms |
17348 KB |
Output isn't correct |
25 |
Incorrect |
458 ms |
20056 KB |
Output isn't correct |