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计算两点间的距离Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 49999Accepted Submission(s): 18904Problem Description输入两点坐标(X1,Y1),(X2,Y2),计算并输出两点间的距离。Input输入数据有多组,每组占一行,由4个实数组成,分别表示x1,y1,x2,y2,数据之间用空格隔开。Output对于每组输入数据,输出一行,结果保留两位小数。Sample Input0 0 0 10 1     阅读全文
posted @ 2012-04-02 14:36
编程小神仙
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第几天?Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 37271Accepted Submission(s): 14266Problem Description给定一个日期,输出这个日期是该年的第几天。Input输入数据有多组,每组占一行,数据格式为YYYY/MM/DD组成,具体参见sample input ,另外,可以向你确保所有的输入数据是合法的。Output对于每组输入数据,输出一行,表示该日期是该年的第几天。Sample Input1    阅读全文
posted @ 2012-04-02 14:33
编程小神仙
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求绝对值Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 36121Accepted Submission(s): 17561Problem Description求实数的绝对值。Input输入数据有多组,每组占一行,每行包含一个实数。Output对于每组输入数据,输出它的绝对值,要求每组数据输出一行,结果保留两位小数。Sample Input123-234.00Sample Output123.00234.00 1 import java.te    阅读全文
posted @ 2012-04-02 14:32
编程小神仙
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1 import java.text.DecimalFormat; 2 import java.util.Scanner; 3 public class Main{ 4 public static final double PI = 3.1415927; 5 public static void main(String[] args) { 6 Scanner scan = new Scanner(System.in); 7 double radius = 0; 8 double volume = 0.00...    阅读全文
posted @ 2012-04-02 14:31
编程小神仙
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1 #include<stdio.h> 2 int main(){ 3 int i,j; 4 while(scanf("%d",&i)!=EOF){ 5 long sum=0; 6 for(j=1;j<=i;j++) 7 sum+=j; 8 printf("%ld\n\n",sum); 9 } 10 return 0;11 }    阅读全文
posted @ 2012-04-02 14:29
编程小神仙
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