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2022-03-29 15:21:05 +08:00
parent b84ae535b7
commit e730aa6794
2244 changed files with 8703 additions and 59499 deletions

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@@ -149,7 +149,7 @@
"__typename": "CodeSnippetNode"
}
],
"stats": "{\"totalAccepted\": \"8.7K\", \"totalSubmission\": \"21.4K\", \"totalAcceptedRaw\": 8682, \"totalSubmissionRaw\": 21441, \"acRate\": \"40.5%\"}",
"stats": "{\"totalAccepted\": \"8.7K\", \"totalSubmission\": \"21.5K\", \"totalAcceptedRaw\": 8687, \"totalSubmissionRaw\": 21452, \"acRate\": \"40.5%\"}",
"hints": [
"Given the character counts, under what conditions can a palindrome be formed ?",
"From left to right, use bitwise xor-operation to compute for any prefix the number of times modulo 2 of each digit. (mask ^= (1<<(s[i]-'0')).",