2020 年 7月 27 日随笔档案 - dwtfukgv

2020年7月27日

摘要： Solo Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 115 Accepted Submission(s): 51 Problem Descr 阅读全文

posted @ 2020-07-27 18:06 dwtfukgv 阅读(293) 评论(0) 推荐(0) 编辑

HDU 6779 Drink (最小费用流)

摘要： Drink Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 98 Accepted Submission(s): 41 Problem Descr 阅读全文

posted @ 2020-07-27 17:54 dwtfukgv 阅读(270) 评论(0) 推荐(0) 编辑

HDU 6778 Car (状压DP)

摘要： Car Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 272 Accepted Submission(s): 113 Problem Descr 阅读全文

posted @ 2020-07-27 17:34 dwtfukgv 阅读(317) 评论(0) 推荐(0) 编辑

HDU 6777 Covid (简单模拟)

摘要： Covid Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 177 Accepted Submission(s): 70 Problem Desc 阅读全文

posted @ 2020-07-27 17:01 dwtfukgv 阅读(247) 评论(0) 推荐(0) 编辑

HDU 6776 Distance (水题)

摘要： Distance Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 306 Accepted Submission(s): 121 Problem 阅读全文

posted @ 2020-07-27 16:47 dwtfukgv 阅读(182) 评论(0) 推荐(0) 编辑

HDU 6775 Poker （简单数学)

摘要： Poker Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 452 Accepted Submission(s): 175 Problem Des 阅读全文

posted @ 2020-07-27 16:37 dwtfukgv 阅读(236) 评论(0) 推荐(0) 编辑

计算二进制数中1的个数

摘要：逐位法 int bit_count_by_bit(unsigned int n){ int ans = 0; while(n){ ans += n & 1; n >>= 1; } return ans; } 这个算法需要注意的就是Java中无符号右移运算符的问题，如果使用的是右移运算符，处理负数时，阅读全文

posted @ 2020-07-27 15:02 dwtfukgv 阅读(381) 评论(0) 推荐(0) 编辑