“`” 考察点:数组
<pre><code class=""language-java"" lang=""java"">public void
rotate(int[][] matrix) {
int n = matrix.length;
for (int i = 0; i < n/2; i++) {
for (int j = i; j < n-1-i; j++){
int temp = matrix[i][j];
matrix[i][j] =matrix[n-1-j][i];
matrix[n-1-j][i] =matrix[n-1-i][n-1-j];
matrix[n-1-i][n-1-j] =matrix[j][n-1-i];
matrix[j][n-1-i] = temp;
}
}
}
</code></pre>
<pre><code> "“`
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