import java.util.*;
public class Solution {
/**
* min edit cost
* @param str1 string字符串 the string
* @param str2 string字符串 the string
* @param ic int整型 insert cost
* @param dc int整型 delete cost
* @param rc int整型 replace cost
* @return int整型
*/
public int minEditCost (String str1, String str2, int ic, int dc, int rc) {
// write code here
int len1 = str1.length(); // 获取 str1 的长度
int len2 = str2.length(); // 获取 str2 的长度
int[][] dp = new int[len1 + 1][len2 + 1];
// 别忘了进行初始化
for (int i = 0; i <= len1; i++) {
dp[i][0] = i * dc;
}
for (int j = 0; j <= len2; j++) {
dp[0][j] = j * ic;
}
for (int i = 1; i <= len1; i++) {
for (int j = 1; j <= len2; j++) {
// 如果在当前位置上,str1 和 str2 的字符相等,那么不需要进行任何操作,dp[i][j] = dp[i - 1][j - 1]
if (str1.charAt(i - 1) == str2.charAt(j - 1)) {
dp[i][j] = dp[i - 1][j - 1];
}
else {
dp[i][j] = Math.min(dp[i - 1][j - 1] + rc, Math.min(dp[i - 1][j] + dc, dp[i][j - 1] + ic));
}
}
}
return dp[len1][len2];
}
}