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小白,求大神指教時(shí)間復(fù)雜度

小白,求大神指教時(shí)間復(fù)雜度

inti,j for(i=0;i<n;i++){ for(j=i;j<n;j++){ /*時(shí)間復(fù)雜度為O(1)的程序步驟序列*/ } 這個(gè)循環(huán)時(shí)間復(fù)雜度為O(n2)為什么不算外循環(huán)n次 不應(yīng)該是(n2/2+n/2)*n
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反對(duì) 回復(fù) 2021-10-19
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星火傳輝

TA貢獻(xiàn)1條經(jīng)驗(yàn) 獲得超0個(gè)贊

同問,不過我感覺這個(gè)循環(huán)的時(shí)間復(fù)雜度是n2/2

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反對(duì) 回復(fù) 2016-11-10
  • kathria
    kathria
    時(shí)間復(fù)雜度會(huì)省略常數(shù)項(xiàng)。
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