1073 Scientific Notation (20 分) Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has
1073 Scientific Notation (20 分) Scientific notation is the way that scientists easily handle very large numbers or very small numbers. The notation matches the regular expression [+-][1-9].[0-9]+E[+-][0-9]+ which means that the integer portion has ex
PTA 7-1 邻接矩阵表示法创建无向图 (20分) 采用邻接矩阵表示法创建无向图G ,依次输出各顶点的度. 输入格式: 输入第一行中给出2个整数i(0<i≤10),j(j≥0),分别为图G的顶点数和边数. 输入第二行为顶点的信息,每个顶点只能用一个字符表示. 依次输入j行,每行输入一条边依附的顶点. 输出格式: 依次输出各顶点的度,行末没有最后的空格. 输入样例: 5 7 ABCDE AB AD BC BE CD CE DE 输出样例: 2 3 3 3 3 一道水题,无需建图也能AC,第一种方
A1065 A+B and C (64bit) (20)(20 分) Given three integers A, B and C in [-2^63^, 2^63^], you are supposed to tell whether A+B > C. Input Specification: The first line of the input gives the positive number of test cases, T (<=10). Then T test cases fo
PAT (Advanced Level) Practice 1015 Reversible Primes (20 分) 凌宸1642 题目描述: A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a reversible prime because