#include <bits/stdc++.h>
using namespace std;
string t[2], s[2];
int dp[4005][4005];
int lca(string &a, string &b){
for(int i=1;i<a.size();i++){
for(int j=1;j<b.size();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);
}
}
return dp[a.size()-1][b.size()-1];
}
int main(){
cin >> t[0] >> t[1];
s[0] = '0' + t[0];
s[1] = '0' + t[1];
int tmp = lca(s[0], s[1]);
s[0] = '0' + t[0] + t[0];
s[1] = '0' + t[1] + t[1];
tmp = lca(s[0], s[1]) - tmp;
reverse(t[0].begin(), t[0].end());
s[0] = '0' + t[0];
s[1] = '0' + t[1];
int tmp2 = lca(s[0], s[1]);
s[0] = '0' + t[0] + t[0];
s[1] = '0' + t[1] + t[1];
tmp2 = lca(s[0], s[1]) - tmp2;
cout << max(tmp, tmp2);
}
Compilation message
rowords.cpp: In function 'int lca(std::__cxx11::string&, std::__cxx11::string&)':
rowords.cpp:6:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1;i<a.size();i++){
~^~~~~~~~~
rowords.cpp:7:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=1;j<b.size();j++){
~^~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
2 ms |
504 KB |
Output isn't correct |
4 |
Correct |
3 ms |
760 KB |
Output is correct |
5 |
Correct |
3 ms |
632 KB |
Output is correct |
6 |
Correct |
16 ms |
9976 KB |
Output is correct |
7 |
Correct |
56 ms |
24132 KB |
Output is correct |
8 |
Incorrect |
61 ms |
24056 KB |
Output isn't correct |
9 |
Incorrect |
60 ms |
24056 KB |
Output isn't correct |
10 |
Incorrect |
57 ms |
24064 KB |
Output isn't correct |
11 |
Incorrect |
62 ms |
26360 KB |
Output isn't correct |
12 |
Correct |
80 ms |
30072 KB |
Output is correct |
13 |
Incorrect |
75 ms |
30200 KB |
Output isn't correct |
14 |
Incorrect |
69 ms |
27560 KB |
Output isn't correct |
15 |
Incorrect |
75 ms |
31608 KB |
Output isn't correct |
16 |
Incorrect |
65 ms |
26232 KB |
Output isn't correct |
17 |
Incorrect |
53 ms |
24952 KB |
Output isn't correct |
18 |
Correct |
74 ms |
32784 KB |
Output is correct |
19 |
Incorrect |
57 ms |
24056 KB |
Output isn't correct |
20 |
Incorrect |
70 ms |
29304 KB |
Output isn't correct |
21 |
Incorrect |
31 ms |
18040 KB |
Output isn't correct |
22 |
Incorrect |
40 ms |
21880 KB |
Output isn't correct |
23 |
Correct |
48 ms |
24700 KB |
Output is correct |
24 |
Correct |
50 ms |
25976 KB |
Output is correct |
25 |
Incorrect |
62 ms |
30456 KB |
Output isn't correct |