Romantic Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4400 Accepted Submission(s): 1852 Problem Description The Sky is Sprite.The Birds is Fly in the Sky.The Wind is Wonderful.Blew Throw t…
题目大意:给你两个球的坐标 他们都往(1, 1)这个方向以相同的速度走,问你他们在哪个位置碰撞. 思路:这种题目需要把x方向和y方向分开来算周期,两个不同周期需要用扩展欧几里得来求第一次相遇. #include<bits/stdc++.h> #define LL long long #define fi first #define se second #define mk make_pair #define pii pair<int, int> #define y1 skldjfs…
RealPhobia Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 376 Accepted Submission(s): 151 Problem Description Bert is a programmer with a real fear of floating point arithmetic. Bert has qui…
Problem Description RSA is one of the most powerful methods to encrypt data. The RSA algorithm is described as follow: > choose two large prime integer p, q> calculate n = p × q, calculate F(n) = (p - 1) × (q - 1)> choose an integer e(1 < e &l…