ACM 1000 1003 1004 1005 1006
2006-05-03 13:12
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这几天开始在ACM在线答题,但是基础不好,所以做的比较慢,现在只是做了1000,1003,1004而已,不过对JAVA IO有了一点简单了解了
,还看了1005和1006,但是1005没看懂题目,1006看懂了却不会算,再想想吧,一定可以做的出来的,下面就粘上我1003,1004的源代码,1000极其简单,简单的让我震撼!
1003
:
import java.io.*;
import java.util.*;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner a = new Scanner(System.in);
while(true){
double d = a.nextDouble();
if (d==0.00)
break;
double s = 0;
int i = 0;
for (i = 1; s < d; i++)
{
s += 1/(double)(i+1);
}
System.out.println(i-1+" card(s)");
}
}
}
1004
:
import java.io.*;
import java.util.*;
import java.text.DecimalFormat;
public class Main {
/**
* @param args
*/
public static void main(String[] args)
{
float array[] = new float[12];
int counter = 0;
float sum = 0;
DecimalFormat twodigits = new DecimalFormat (".00");
Scanner cin=new Scanner(System.in);
for(counter=0;counter<array.length;counter++)
{
array[counter] = cin.nextFloat();
sum+=array[counter];
}
System.out.println("$"+twodigits.format(sum/array.length));
}
}
,还看了1005和1006,但是1005没看懂题目,1006看懂了却不会算,再想想吧,一定可以做的出来的,下面就粘上我1003,1004的源代码,1000极其简单,简单的让我震撼!
1003
:
import java.io.*;
import java.util.*;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner a = new Scanner(System.in);
while(true){
double d = a.nextDouble();
if (d==0.00)
break;
double s = 0;
int i = 0;
for (i = 1; s < d; i++)
{
s += 1/(double)(i+1);
}
System.out.println(i-1+" card(s)");
}
}
}
1004
:
import java.io.*;
import java.util.*;
import java.text.DecimalFormat;
public class Main {
/**
* @param args
*/
public static void main(String[] args)
{
float array[] = new float[12];
int counter = 0;
float sum = 0;
DecimalFormat twodigits = new DecimalFormat (".00");
Scanner cin=new Scanner(System.in);
for(counter=0;counter<array.length;counter++)
{
array[counter] = cin.nextFloat();
sum+=array[counter];
}
System.out.println("$"+twodigits.format(sum/array.length));
}
}
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