HDOJ1563 Find your present!
2017-12-12 22:51
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Find your present!
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4440 Accepted Submission(s): 2936
[align=left]Problem Description[/align]
In the new year party, everybody will get a "special present".Now it's your turn to get your special present, a lot of presents now putting on the desk, and only one of them will be yours.Each present has a card number on it, and
your present's card number will be the one that different from all the others.For example, there are 5 present, and their card numbers are 1, 2, 3, 2, 1.so your present will be the one with the card number of 3, because 3 is the number that different from
all the others.
[align=left]Input[/align]
The input file will consist of several cases.
Each case will be presented by an integer n (1<=n<=200, and n is odd) at first. Following that, n positive integers will be given in a line. These numbers indicate the card numbers of the presents.n = 0 ends the input.
[align=left]Output[/align]
For each case, output an integer in a line, which is the card number of your present.
[align=left]Sample Input[/align]
5
1 1 3 2 2
3
1 2 1
0
[align=left]Sample Output[/align]
3
2
HDOJ2095也是Find your present! 但这个是简单版的。
2095主要是数据量比较大,java的话需要使用快速输入输出的方式,这里就不需要了。
题目意思是一样的:http://blog.csdn.net/qq_38238041/article/details/78536304
import java.util.Scanner; public class Main{ private static Scanner scanner; public static void main(String[] args) { scanner = new Scanner(System.in); while (scanner.hasNext()) { int n = scanner.nextInt(); if (n == 0) { return; } int res = 0; while(n-->0){ int i = scanner.nextInt(); res = res^i; } System.out.println(res); } } }
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