题面看这里 \(PS\):符号 \([\ \rm P\ ]\) 的意义是:当表达式 \(\rm P\) 为真则取值为 \(1\),为假则取值为 \(0\). 题目大意 给你一个一天有 \(H\)​​​​​​​ 小时.一小时有 \(M\)​​​​​​​​ 分钟的表和一个正整数 \(A\)​,问一天内有多少个整数时刻,使得分针与时针的夹角小于等于 \(\displaystyle\frac{2\pi A}{HM}\)​. 题目分析 易知分针转速 \(w_1=\displaystyle \frac{2\…

铜铜铜…… 人呐真奇怪 铁牌水平总想着运气好拿个铜 铜牌水平总想着运气好拿个银 估计银牌的聚聚们一定也不满意 想拿个金吧 这次比赛挺不爽的 AB两道SB题,十分钟基本全场都过了 不知道出这种题有什么意思,而且还是两道 C是一道矩阵快速幂 不算难可是还是卡了很久 还好是1A E是一道搜索题,也是简单题 呵呵 可能是区域赛的问题 大家都不敢随便写吧 后来我们暴力过了的时候都觉得自己好SB 那个时候都快封榜了 怎么这么蠢呐 然后看的H题,其他题做出来的都很少,没怎么想 H题 哎 我们想了好久才想明白样…

Recursive sequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1525    Accepted Submission(s): 710 Problem Description Farmer John likes to play mathematics games with his N cows. Recently,…

M - Meeting Time Limit:6000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit cid=113817#status//M/0" class="ui-button ui-widget ui-state-default ui-corner-all ui-button-text-only" style="display:inline-block;pad…

今天做的沈阳站重现赛,自己还是太水,只做出两道签到题,另外两道看懂题意了,但是也没能做出来. 1. Thickest Burger Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 0    Accepted Submission(s): 0 Problem Description ACM ICPC is launching a thic…

Recursive sequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 249    Accepted Submission(s): 140 Problem Description Farmer John likes to play mathematics games with his N cows. Recently, t…

Counting Cliques Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 539    Accepted Submission(s): 204 Problem Description A clique is a complete graph, in which there is an edge between every pair…

Thickest Burger Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 63    Accepted Submission(s): 60 Problem Description ACM ICPC is launching a thick burger. The thickness (or the height) of a piec…

Relative atomic mass Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 66    Accepted Submission(s): 59 Problem Description Relative atomic mass is a dimensionless physical quantity, the ratio of…

Pagodas Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1282    Accepted Submission(s): 902 Problem Description n pagodas were standing erect in Hong Jue Si between the Niushou Mountain and the…