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902. 最短编辑距离

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https://www.acwing.com/problem/content/submission/code_detail/8885361/
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Baoshuo Ren 2021-11-17 15:02:13 +08:00 committed by Baoshuo Ren
parent 354dd753d1
commit aa5aacbd36
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 30 additions and 0 deletions
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AcWing/902/902.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
int n, m, f[1005][1005];
string a, b;
int main() {
cin >> n >> a >> m >> b;
a = ' ' + a;
b = ' ' + b;
for (int i = 0; i <= n; i++) {
f[i][0] = i;
}
for (int i = 0; i <= m; i++) {
f[0][i] = i;
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
f[i][j] = min(f[i - 1][j] + 1, f[i][j - 1] + 1);
if (a[i] == b[j]) {
f[i][j] = min(f[i][j], f[i - 1][j - 1]);
} else {
f[i][j] = min(f[i][j], f[i - 1][j - 1] + 1);
}
}
}
cout << f[n][m] << endl;
return 0;
}