Title: int overflow · Issue #48 · devLupin/algorithm · GitHub
Open Graph Title: int overflow · Issue #48 · devLupin/algorithm
X Title: int overflow · Issue #48 · devLupin/algorithm
Description: ans의 결과 num이 int이므로 대입 이전의 값은 int형이다. 이런 상황에 계산 결과가 int 범위를 넘어서면 overflow를 발생시킬 수 있다. int num = ...; long long ans = 0x3f3f3f3f3f * num; 해결책 : 1LL을 곱해주기 long long ans = 0x3f3f3f3f3f * (1LL * num);
Open Graph Description: ans의 결과 num이 int이므로 대입 이전의 값은 int형이다. 이런 상황에 계산 결과가 int 범위를 넘어서면 overflow를 발생시킬 수 있다. int num = ...; long long ans = 0x3f3f3f3f3f * num; 해결책 : 1LL을 곱해주기 long long ans = 0x3f3f3f3f3f * (1LL * num);
X Description: ans의 결과 num이 int이므로 대입 이전의 값은 int형이다. 이런 상황에 계산 결과가 int 범위를 넘어서면 overflow를 발생시킬 수 있다. int num = ...; long long ans = 0x3f3f3f3f3f * num; 해결책 : 1LL을 곱해주기 long long ans = 0x3f3f3f3f3f * (1LL * num);
Opengraph URL: https://github.com/devLupin/algorithm/issues/48
X: @github
Domain: github.com
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"int overflow","articleBody":"- `ans`의 결과\r\n - `num`이 int이므로 대입 이전의 값은 int형이다.\r\n - 이런 상황에 계산 결과가 int 범위를 넘어서면 overflow를 발생시킬 수 있다.\r\n ```cpp\r\n int num = ...;\r\n long long ans = 0x3f3f3f3f3f * num;\r\n ```\r\n\r\n- 해결책 : `1LL`을 곱해주기\r\n ```cpp\r\n long long ans = 0x3f3f3f3f3f * (1LL * num);\r\n ```","author":{"url":"https://github.com/devLupin","@type":"Person","name":"devLupin"},"datePublished":"2024-02-15T10:16:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/48/algorithm/issues/48"}
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| og:image:alt | ans의 결과 num이 int이므로 대입 이전의 값은 int형이다. 이런 상황에 계산 결과가 int 범위를 넘어서면 overflow를 발생시킬 수 있다. int num = ...; long long ans = 0x3f3f3f3f3f * num; 해결책 : 1LL을 곱해주기 long long ans = 0x3f3f3f3f3f * (1LL * num); |
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