AC代码 #include <cstdio> #include <algorithm> using namespace std; const int maxn = 11; int main() { #ifdef ONLINE_JUDGE #else freopen("1.txt", "r", stdin); #endif // ONLINE_JUDGE long long a, b; scanf("%lld %lld",…

A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each input file contains one test case. Each case starts with a line containing 0, the number of nodes in a…

Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less than four digits). Input Specification: Each input file contains one test case. Each case contains a pa…

题目AC汇总 甲级AC PAT A1001 A+B Format (20 分) PAT A1002 A+B for Polynomials(25) PAT A1005 Spell It Right (20) PAT A1006 Sign In and Sign Out (25) PAT A1009 Product of Polynomials(25) PAT A1011 World Cup Betting(20) PAT A1012 Best Rank(25) PAT A1016 Phone B…

A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each input file contains one test case. Each case starts with a line containing 0, the number of nodes in a…

题目描述 An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations are: push(1); push(2); push(3);…

专题一  字符串处理 A1001 Format(20) #include<cstdio> int main () { ]; int a,b,sum; scanf ("%d %d",&a,&b); sum=a+b; ) { printf ("-"); sum=-sum; } ; ) { s[top++]=; } ) { s[top++]=sum%; sum/=; } ;i>=;i--) { printf ("%d"…

B1024. 科学计数法 (20) Description: 科学计数法是科学家用来表示很大或很小的数字的一种方便的方法,其满足正则表达式[+-][1-9]"."[0-9]+E[+-][0-9]+,即数字的整数部分只有1位,小数部分至少有1位,该数字及其指数部分的正负号即使对正数也必定明确给出. 现以科学计数法的格式给出实数A,请编写程序按普通数字表示法输出A,并保证所有有效位都被保留. Input: 每个输入包含1个测试用例,即一个以科学计数法表示的实数A.该数字的存储长度不超过99…

第二天 A1003 Emergency (25 分) 题目内容 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road…

从今天起每天刷1-2题PAT甲级 第一天 A1001 A+B Format (20 分) 题目内容 Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less than four digits). Input Specification: Each input fi…