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谁能给我说一下，这个思路是怎么想到的啊？怎么才能想到这个面~~？ 谢谢了！谁能给我说一下，这个
if(str1[i]==str2[j])
[i][j]=min(min(dp[i-1][j-1],dp[i-1][j]+1),dp[i][j-1]+1);
else
dp[i][j]=min(min(dp[i-1][j],dp[i-1][j-1]),dp[i][j-1])+1;
这个思路是怎么想到的啊？怎么才能想到这个面~~？ 谢谢了！
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