B. Lovely Palindromes 题目连接: http://www.codeforces.com/contest/688/problem/B Description Pari has a friend who loves palindrome numbers. A palindrome number is a number that reads the same forward or backward. For example 12321, 100001 and 1 are palin…
题目链接: B. Lovely Palindromes time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Pari has a friend who loves palindrome numbers. A palindrome number is a number that reads the same forward or ba…
Description Pari has a friend who loves palindrome numbers. A palindrome number is a number that reads the same forward or backward. For example 12321, 100001 and 1 are palindrome numbers, while 112 and 1021 are not. Pari is trying to love them too,…
http://codeforces.com/problemset/problem/688/B B. Lovely Palindromes time limit per test 1 second memory limit per test 256 megabytes Pari has a friend who loves palindrome numbers. A palindrome number is a number that reads the same forward or backw…
UVA - 11584 Partitioning by Palindromes We say a sequence of char- acters is a palindrome if it is the same written forwards and backwards. For example, ‘racecar’ is a palindrome, but ‘fastcar’ is not. A partition of a sequence of characters is a lis…
Palindromes Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Description A regular palindrome is a string of numbers or letters that is the…
Queries for Number of Palindromes Problem's Link: http://codeforces.com/problemset/problem/245/H Mean: 给你一个字符串,然后q个询问:从i到j这段字符串中存在多少个回文串. analyse: dp[i][j]表示i~j这段的回文串数. 首先判断i~j是否为回文,是则dp[i][j]=1,否则dp[i][j]=0; 那么dp[i][j]=dp[i][j]+dp[i][j-1]+dp[i+1[j…
Dual PalindromesMario Cruz (Colombia) & Hugo Rickeboer (Argentina) A number that reads the same from right to left as when read from left to right is called a palindrome. The number 12321 is a palindrome; the number 77778 is not. Of course, palindrom…
Partitioning by Palindromes Time Limit:1000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVA 11584 #include <stdio.h> #include <string.h> #include <algorithm> using namespace std; ]; int C(int x,int…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1318 题意分析:输入每行包含一个字符串,判断此串是否为回文串或镜像串. 表面上看这道题有些复杂,如果能熟练运用字符数组的话,代码也颇为简洁.. /*Palindromes Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 657 Accepted…
Palindromes and Super Abilities 2 题目链接: http://acm.hust.edu.cn/vjudge/contest/126823#problem/E Description Dima adds letters s 1, -, s n one by one to the end of a word. After each letter, he asks Misha to tell him how many new palindrome substrings…
A. Primes or Palindromes?Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://poj.org/problem?id=3261 Description Rikhail Mubinchik believes that the current definition of prime numbers is obsolete as they are too complex and unpredictable. A palindro…
Palindromes A regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCBA" is a palindrome because it is the same when the string is read from left to right as when the string…
Problem Description Write a program to determine whether a word is a palindrome. A palindrome is a sequence of characters that is identical to the string when the characters are placed in reverse order. For example, the following strings are palindro…
The Number of Palindromes Problem Description Now, you are given a string S. We want to know how many distinct substring of S which is palindrome. Input The first line of the input contains a single integer T(T<=20), which indicates number of test ca…
题目地址:2005.Lovely Number 思路: 若测试数据出现的次数为奇数,则输出它. 所以,可以先排序,若前后相等,前后都设为0,最后不为0的则可以输出. 具体代码如下: #include <iostream> #include <algorithm> using namespace std; int main() { int t; while (cin >> t) { int *array = new int[t]; ; i < t; i++) { c…
LightOJ 1033 Generating Palindromes(dp) 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87730#problem/A 题目: Description By definition palindrome is a string which is not changed when reversed. "MADAM" is a nice example of palindrome.…
The decimal number, 585 = 10010010012(binary), is palindromic in both bases. Find the sum of all numbers, less than one million, which are palindromic in base 10 and base 2. (Please note that the palindromic number, in either base, may not include le…
Palindromes _easy version Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 21769 Accepted Submission(s): 13576 Problem Description "回文串"是一个正读和反读都一样的字符串,比如"level"或者"noon&qu…
这道题目一点也不卡素数的判断 就是朴素的sqrt(n) 也不卡 所以~放心的用吧. 构造回文的时候看了HINT 其中是这么写的: Generate palindromes by combining digits properly. You might need more than one of the loops like below. /* generate five digit palindrome: */ for (d1 = 1; d1 <= 9; d1+=2) { /* only odd…
Judge Info Memory Limit: 32768KB Case Time Limit: 10000MS Time Limit: 10000MS Judger: Number Only Judger Description A number that reads the same from right to left as when read from left to right is called a palindrome. The number 12321 is a palindr…
Prime Palindromes The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as backward). Write a program that finds all prime palindromes in the range of two supplied numbers a a…
