島嶼的個數 · Number of Islands
[抄題]:
[暴力解法]:
時間分析:
空間分析:
[思維問題]:
[一句話思路]:
[輸入量]:空: 正常情況:特大:特小:程序裏處理到的特殊情況:異常情況(不合法不合理的輸入):
[畫圖]:
[一刷]:
[二刷]:
[三刷]:
[四刷]:
[五刷]:
[五分鐘肉眼debug的結果]:
[總結]:
[復雜度]:Time complexity: O() Space complexity: O()
一般情況下每個點都要找,為n
壓縮情況下僅保存終點,為1
[英文數據結構或算法,為什麽不用別的數據結構或算法]:
[其他解法]:
[Follow Up]:
[LC給出的題目變變變]:
[代碼風格] :
島嶼的個數 · Number of Islands
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