complete 5582.py 9251.cpp

This commit is contained in:
2024-10-07 09:58:22 +09:00
parent 0db9e76b41
commit 334aa22a28
2 changed files with 66 additions and 0 deletions

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#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
int lenLCSeq(string s1, string s2) {
vector<vector<int>> DP(s1.length(), vector<int>(s2.length(), 0));
for (int i = 0; i < s1.length(); i++) {
for (int j = 0; j < s2.length(); j++) {
if (s1[i] == s2[j]) {
if (i == 0 && j == 0) {
DP[i][j] = 1;
} else if (i == 0 && j != 0) {
DP[i][j] = 1;
} else if (i != 0 && j == 0) {
DP[i][j] = 1;
} else {
DP[i][j] = DP[i - 1][j - 1] + 1;
}
} else {
if (i == 0 && j == 0) {
} else if (i == 0 && j != 0) {
DP[i][j] = DP[i][j - 1];
} else if (i != 0 && j == 0) {
DP[i][j] = DP[i - 1][j];
} else {
DP[i][j] = max(DP[i - 1][j], DP[i][j - 1]);
}
}
}
}
return DP[s1.length() - 1][s2.length() - 1];
}
int main(void) {
string s1, s2;
cin >> s1 >> s2;
cout << lenLCSeq(s1, s2) << endl;
return 0;
}

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def LCS(s1, s2) -> int:
MAXSP = (0, 0, 0)
DP = [[0 for _ in range(len(s2))] for _ in range(len(s1))]
for i, c1 in enumerate(s1):
for j, c2 in enumerate(s2):
if c1 == c2:
if i >= 1 and j >= 1:
DP[i][j] = DP[i - 1][j - 1] + 1
else:
DP[i][j] = 1
if MAXSP[0] < DP[i][j]:
MAXSP = (DP[i][j], i, j)
return MAXSP[0]
if __name__ == "__main__":
s1, s2 = input(), input()
print(LCS(s1, s2))