Merge pull request #496 from jackeyjia/patch-16

add js solution for minDistance
This commit is contained in:
程序员Carl
2021-07-18 15:18:21 +08:00
committed by GitHub

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@ -149,6 +149,32 @@ class Solution:
Go
Javascript
```javascript
const minDistance = (word1, word2) => {
let dp = Array.from(Array(word1.length + 1), () => Array(word2.length+1).fill(0));
for(let i = 1; i <= word1.length; i++) {
dp[i][0] = i;
}
for(let j = 1; j <= word2.length; j++) {
dp[0][j] = j;
}
for(let i = 1; i <= word1.length; i++) {
for(let j = 1; j <= word2.length; j++) {
if(word1[i-1] === word2[j-1]) {
dp[i][j] = dp[i-1][j-1];
} else {
dp[i][j] = Math.min(dp[i-1][j] + 1, dp[i][j-1] + 1, dp[i-1][j-1] + 2);
}
}
}
return dp[word1.length][word2.length];
};
```
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