import java.util.function.Predicate; public class Main { public static void main(String[] args) { // Define the palindrome check lambda expression Predicate < String > isPalindrome = str -> { String reversed = new StringBuilder(str).reverse().toString(); return str.equals(reversed); }; /...
2.3. UsingStreamAPI We can also use anIntStreamto provide a solution: publicbooleanisPalindromeUsingIntStream(String text){Stringtemp=text.replaceAll("\\s+","").toLowerCase();returnIntStream.range(0, temp.length() /2) .noneMatch(i -> temp.charAt(i) != temp.charAt(temp.length() - i...
直接搬代码 #include<bits/stdc++.h> using namespace std; #define uint unsigned long long int read(){ int x=0,f=1;char ch=getchar(); while(!isdigit(ch)){if(ch=='-') f=-1;ch=getchar();} while(isdigit(ch)){x=(x<<3)+(x<<1)+ch-48;ch=getchar();} return x*f; } co...
If you are thinking of converting the integer to string, note the restriction of using extra space. You could also try reversing an integer. However, if you have solved the problem "Reverse Integer", you know that the reversed integer might overflow. How would you handle such case? There i...
palindrome-number 题目描述 Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of converting the integer to string, note the restriction of using extra space....
Using string buffer , import java.util.*; import java.lang.*; class Seventeen { public static void main(String args[]) { Scanner sc=new Scanner(System.in); String str=sc.next(); String reverse = new StringBuffer(str).reverse().toString(); ...
using namespace std; short int s[5001][5001]; int main(){ int a[5001]; int b[5001]; char str; int n; cin>>n; getchar(); for(int i=1,j=n;i<=n;i++,j--){ scanf("%c",&str); a[i]=str; b[j]=str; } for(int i=0;i<=n;i++){ ...
using namespace std; int dp[2][5010]; char a[5010], b[5010]; int main() { int n; while (~scanf("%d", &n)) { scanf("%s", a); for (int i = 0; i < n; i++) { b[i] = a[n - i - 1]; } b[n] = '\0'; ...
(int i=e; i>=s; --i) using namespace std; typedef long long ll; typedef pair<int,int> pii; const int maxn = 1e6 + 5; string s; int n; int seed,mod,hs1[maxn],hs2[maxn],bas[maxn]; // hs看情况开 void init(int* hs){ s=' '+s; bas[0]=1; rep(i,1,n+1){ ...
Palindrome Number 题目: Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of converting the integer to string, note the restriction of using extra space....