1144 The Missing Number (20 分)   Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integ…

Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer N (≤10​5​​). Then N integers a…

AC代码 #include <cstdio> const int max_n = 1000; long long ans[max_n]; int num = 0; void change(long long a, long long d) { do { ans[num++] = a % d; a /= d; } while(a != 0); } int main() { #ifdef ONLINE_JUDGE #else freopen("1.txt", "r&q…

1144 The Missing Number (20 分)   Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integ…

PAT (Advanced Level) Practice 1019 General Palindromic Number (20 分) 凌宸1642 题目描述: A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic number. All single digit…

PAT乙级:1088 三人行 (20分) 题干 子曰:"三人行,必有我师焉.择其善者而从之,其不善者而改之." 本题给定甲.乙.丙三个人的能力值关系为:甲的能力值确定是 2 位正整数:把甲的能力值的 2 个数字调换位置就是乙的能力值:甲乙两人能力差是丙的能力值的 X 倍:乙的能力值是丙的 Y 倍.请你指出谁比你强应"从之",谁比你弱应"改之". 输入格式: 输入在一行中给出三个数,依次为:M(你自己的能力值).X 和 Y.三个数字均为不超过 10…

PAT乙级:1064 朋友数 (20分) 题干 如果两个整数各位数字的和是一样的,则被称为是"朋友数",而那个公共的和就是它们的"朋友证号".例如 123 和 51 就是朋友数,因为 1+2+3 = 5+1 = 6,而 6 就是它们的朋友证号.给定一些整数,要求你统计一下它们中有多少个不同的朋友证号. 输入格式: 输入第一行给出正整数 N.随后一行给出 N 个正整数,数字间以空格分隔.题目保证所有数字小于 104. 输出格式: 首先第一行输出给定数字中不同的朋友证号…

1144 The Missing Number(20 分) Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer…

1035 Password (20 分) To prepare for PAT, the judge sometimes has to generate random passwords for the users. The problem is that there are always some confusing passwords since it is hard to distinguish 1 (one) from l (L in lowercase), or 0 (zero) fr…

1144 The Missing Number(20 分) Given N integers, you are supposed to find the smallest positive integer that is NOT in the given list. Input Specification: Each input file contains one test case. For each case, the first line gives a positive integer…