Period Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 14653 Accepted: 6965 Description For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the
整数的阶:设a和n是互素的正整数,使得a^x=1(mod n)成立的最小的正整数x称为a模n的阶 //求阶模板:A^x=1(mod M),调用GetJie(A,M) //输入:10^10>A,M>1 //输出:无解返回-1,有解返回最小正整数x //复杂度:O(M^(0.5)) long long gcd(long long a,long long b) { ) return a; return gcd(b,a%b); } //欧拉函数:复杂度O(n^(0.5)),返回[1,n-1]中所有和n
/** * 找出未出现的最小正整数 * @param A * @param n * @date 2016-10-7 * @author shaobn */ public static int findArrayMex(int[] a,int n){ int count = n; int temp = 0; int dir = 1; int num = 0; for(int i = 0;i<count-1;i++){ if(a[i]>a[i+1]){ temp = a[i]; a[i]= a[i
//求n个数中的最小k个数 public static void TestMin(int k, int n) { Random rd = new Random(); int[] myArray = new int[n]; int[] newArray = new int[k]; for (int i = 0; i < n; i++) { // rand
题目: Wall Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 119 Accepted Submission(s): 47 Problem Description Once upon a time there was a greedy King who ordered his chief Architect to build a wa