forked from RDCNWebs/rd.rdlevel.cn
32 lines
703 B
JavaScript
32 lines
703 B
JavaScript
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const customMethods = [
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{ type: 'mod',}
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]
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const editDistance = (a, b) => {
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if (a.length === 0) return b.length;
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if (b.length === 0) return a.length;
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const matrix = [];
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for (let i = 0; i <= b.length; i++) {
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matrix[i] = [i];
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}
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for (let j = 0; j <= a.length; j++) {
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matrix[0][j] = j;
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}
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for (let i = 1; i <= b.length; i++) {
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for (let j = 1; j <= a.length; j++) {
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if (b.charAt(i - 1) === a.charAt(j - 1)) {
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matrix[i][j] = matrix[i - 1][j - 1];
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} else {
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matrix[i][j] = Math.min(
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matrix[i - 1][j - 1] + 1,
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Math.min(matrix[i][j - 1] + 1, matrix[i - 1][j] + 1),
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);
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}
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}
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}
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return matrix[b.length][a.length];
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}
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