UVA - 10375 Choose and divide Choose and divide Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 4053 Accepted: 1318 Description The binomial coefficient C(m,n) is defined as m! C(m,n) = -------- n!(m-n)! Given four natural numbers p, q…
UVa 1262 Password 题目: Password Time Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %llu Submit Status Description Shoulder-surfing is the behavior of intentionally and stealthily watching the screen of another person's electronic…