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class Solution {
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  public int[][] transpose(int[][] matrix) {
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    int m = matrix.length;
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    int n = matrix[0].length;
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    int[][] trans = new int[n][m];
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    for (int i = 0; i < n; i++) {
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      for (int j = 0; j < m; j++) {
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        trans[i][j] = matrix[j][i];
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      }
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    }
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    return trans;
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  }
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}