export default (arr) => {
// 獲取維度
let vecor = arr.length
// 垂直翻轉
for (let i = 0, len = vecor / 2; i < len; i++) {
for (let j = 0, tmp; j < vecor; j++) {
tmp = arr[i][j]
arr[i][j] = arr[vecor - i - 1][j]
arr[vecor - i - 1][j] = tmp
}
}
// 對角旋轉
for (let i = 0; i < vecor; i++) {
for (let j = 0, tmp; j < i; j++) {
tmp = arr[i][j]
arr[i][j] = arr[j][i]
arr[j][i] = tmp
}
}
return arr
}
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標籤：JavaScript
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