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lines changed Original file line number Diff line number Diff line change @@ -6,7 +6,7 @@ int compare(void const *a, void const *b)
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return (* (int * )a - * (int * )b );
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}
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- bool containsDuplicate (int * nums , int numsSize ) {\
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+ bool containsDuplicate (int * nums , int numsSize ) {
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int i ;
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i = 0 ;
@@ -19,3 +19,19 @@ bool containsDuplicate(int* nums, int numsSize) {\
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}
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return (0 );
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}
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+
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+ /*
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+ ์๊ฐ ๋ณต์ก๋
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+
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+ qsort(ํต์ํธ)๋ฅผ ํตํด O(n log n)์ ํ ๋ฒ ์ํ + while๋ฌธ์ ํ ๋ฒ ๋์์ O(n)๋งํผ์ ๋ณต์ก๋๋ฅผ ๊ฐ์ง
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+
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+ ์ต์ข
์๊ฐ ๋ณต์ก๋ : O(n log n)
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+
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+ ============================
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+
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+ ๊ณต๊ฐ ๋ณต์ก๋
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+
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+ ์ถ๊ฐ์ ์ผ๋ก ํ ๋นํ๋ ๋ฉ๋ชจ๋ฆฌ๊ฐ ์์ผ๋ฏ๋ก O(1)์ ๋ณต์ก๋๋ฅผ ๊ฐ์ง๋ค
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+
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+ ์ต์ข
๊ณต๊ฐ ๋ณต์ก๋ : O(1)
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+ */
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