[题目链接] http://poj.org/problem?id=3349 [算法] 哈希 若两片雪花相同,则它们六个角上的和一定相同,不妨令 H(A) = sigma(Ai) % P ,每次只要到哈希表里查是否出现相同雪花,即可 [代码] #include <algorithm> #include <bitset> #include <cctype> #include <cerrno> #include <clocale> #include &…

http://poj.org/problem?id=3349 Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 37609   Accepted: 9878 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 35642   Accepted: 9373 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Y…

相应POJ题目:点击打开链接 Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 33595   Accepted: 8811 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 39324   Accepted: 10298 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true.…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 30529   Accepted: 8033 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Y…

Snowflake Snow Snowflakes Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 27598 Accepted: 7312 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 48646   Accepted: 12703 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true.…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 30512   Accepted: 8024 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Y…

Snowflake Snow Snowflakes Time Limit: 4000MS   Memory Limit: 65536K Total Submissions: 49991   Accepted: 13040 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true.…