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×îÐÂJAVA±à³ÌÌâÈ«¼¯_50Ìâ¼°´ð°¸(Æß)
2014-11-24 02:23:10 ¡¾´ó ÖРС¡¿ ä¯ÀÀ:4460´Î
Tags£º×îРJAVA ±à³Ì È«¼¯ _50 ´ð°¸
] a = new int[N];
Scanner s = new Scanner(System.in);
System.out.println(¡°ÇëÊäÈë10¸öÕûÊý£º¡±);
for(int i=0; i a[i] = s.nextInt();
}
System.out.print(¡°ÄãÊäÈëµÄÊý×éΪ£º¡±);
for(int i=0; i System.out.print(a[i] + ¡± ¡°);
}
System.out.print(¡°\nÇëÊäÈëÏòºóÒƶ¯µÄλÊý£º¡±);
int m = s.nextInt();
int[] b = new int[m];
for(int i=0; i b[i] = a[N-m+i];
}
for(int i=N-1; i>=m; i¨C) {
a[i] = a[i-m];
}
for(int i=0; i a[i] = b[i];
}
System.out.print(¡°Î»ÒƺóµÄÊý×éÊÇ£º¡±);
for(int i=0; i System.out.print(a[i] + ¡± ¡°);
}
}}
¡¾³ÌÐò37¡¿
ÌâÄ¿£ºÓÐn¸öÈËΧ³ÉһȦ£¬Ë³ÐòÅźš£´ÓµÚÒ»¸öÈË¿ªÊ¼±¨Êý£¨´Ó1µ½3±¨Êý£©£¬·²±¨µ½3µÄÈËÍ˳öȦ×Ó£¬ÎÊ×îºóÁôϵÄÊÇÔ­À´µÚ¼¸ºÅµÄÄÇλ¡£
import java.util.Scanner;
public class lianxi37 {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
System.out.print(¡°ÇëÊäÈëÅųÉһȦµÄÈËÊý£º¡±);
int n = s.nextInt();
boolean[] arr = new boolean[n];
for(int i=0; i arr[i] = true;
}
int leftCount = n;
int countNum = 0;
int index = 0;
while(leftCount > 1) {
if(arr[index] == true) {
countNum ++;
if(countNum == 3) {
countNum =0;
arr[index] = false;
leftCount ¨C;
}
}
index ++;
if(index == n) {
index = 0;
}
}
for(int i=0; i if(arr[i] == true) {
System.out.println(¡°Ô­ÅÅÔÚµÚ¡±+(i+1)+¡±Î»µÄÈËÁôÏÂÁË¡£¡±);
}
}
}}
¡¾³ÌÐò38¡¿
ÌâÄ¿£ºÐ´Ò»¸öº¯Êý£¬ÇóÒ»¸ö×Ö·û´®µÄ³¤¶È£¬ÔÚmainº¯ÊýÖÐÊäÈë×Ö·û´®£¬²¢Êä³öÆ䳤¶È¡£
/*¡­¡­¡­¡­¡­¡­
*¡­¡­ÌâÄ¿Òâ˼Ëƺõ²»ÄÜÓÃlength()º¯Êý */
import java.util.*;
public class lianxi38 {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
System.out.println(¡°ÇëÊäÈëÒ»¸ö×Ö·û´®£º¡±);
String str = s.nextLine();
System.out.println(¡°×Ö·û´®µÄ³¤¶ÈÊÇ£º¡±+str.length());
}
}
¡¾³ÌÐò39¡¿
ÌâÄ¿£º±àдһ¸öº¯Êý£¬ÊäÈënΪżÊýʱ£¬µ÷Óú¯ÊýÇó1/2+1/4+¡­+1/n,µ±ÊäÈënΪÆæÊýʱ£¬µ÷Óú¯Êý1/1+1/3+¡­+1/n(ÀûÓÃÖ¸Õ뺯Êý)
//ûÓÐÀûÓÃÖ¸Õ뺯Êý
import java.util.*;
public class lianxi39 {
public static void main(String[] args) {
Scanner s = new Scanner(System.in);
System.out.print(¡°ÇëÊäÈëÒ»¸öÕýÕûÊý n= ¡°);
int n = s.nextInt();
System.out.println(¡°ÏàÓ¦ÊýÁеĺÍΪ£º¡± + sum(n));
}
public static double sum(int n) {
double res = 0;
if(n % 2 == 0) {
for(int i=2; i<=n; i+=2) {
res += (double)1 / i;
}
} else {
for(int i=1; i<=n; i+=2) {
res += (double)1 / i ;
}
}
return res;
}
}
¡¾³ÌÐò40¡¿
ÌâÄ¿£º×Ö·û´®ÅÅÐò¡£
public class lianxi40 {
public static void main(String[] args) {
int N=5;
String temp = null;
String[] s = new String[N];
s[0] = ¡°matter¡±;
s[1] = ¡°state¡±;
s[2] = ¡°solid¡±;
s[3] = ¡°liquid¡±;
s[4] = ¡°gas¡±;
for(int i=0; i for(int j=i+1; j if(compare(s[i], s[j]) == false) {
temp = s[i];
s[i] = s[j];
s[j] = temp;
}
}
}
for(int i=0; i System.out.println(s[i]);
}
}
static boolean compare(String s1, String s2) {
boolean result = true;
for(int i=0; i if(s1.charAt(i) > s2.charAt(i)) {
result = false;
break;
} else if(s1.charAt(i) result = true;
break;
} else {
if(s1.length() < s2.length()) {
result = true;
} else {
result = false;
}
}
}
return result;
}}
¡¾³ÌÐò41¡¿
ÌâÄ¿£ºº£Ì²ÉÏÓÐÒ»¶ÑÌÒ×Ó£¬ÎåÖ»ºï×ÓÀ´·Ö¡£µÚÒ»Ö»ºï×Ó°ÑÕâ¶ÑÌÒ×Óƾ¾Ý·ÖΪÎå·Ý£¬¶àÁËÒ»¸ö£¬ÕâÖ»ºï×ӰѶàµÄÒ»¸öÈÓÈ뺣ÖУ¬ÄÃ×ßÁËÒ»·Ý¡£µÚ¶þÖ»ºï×Ó°ÑʣϵÄÌÒ×ÓÓÖƽ¾ù·Ö³ÉÎå·Ý£¬ÓÖ¶àÁËÒ»¸ö£¬ËüͬÑù°Ñ¶àµÄÒ»¸öÈÓÈ뺣ÖУ¬ÄÃ×ßÁËÒ»·Ý£¬µÚÈý¡¢µÚËÄ¡¢µÚÎåÖ»ºï×Ó¶¼ÊÇÕâÑù×öµÄ£¬Îʺ£Ì²ÉÏÔ­À´×îÉÙÓжàÉÙ¸öÌÒ×Ó£¿
public class lianxi41 {
public static void main (String[] args) {
int i,m,j=0,k,count;
for(i=4;i<10000;i+=4)
{ count=0;
m=i;
for(k=0;k<5;k++)
{
j=i/4*5+1;
i=j;
if(j%4==0)
count++;
else break;
}
i=m;
if(count==4)
{System.out.println(¡°Ô­ÓÐÌÒ×Ó ¡°+j+¡± ¸ö¡±);
break;}
} } }
¡¾³ÌÐò42¡¿
ÌâÄ¿£º809* =800* +9* +1 ÆäÖÐ ´ú±íµÄÁ½Î»Êý,8* µÄ½á¹ûΪÁ½Î»Êý£¬9* µÄ½á¹ûΪ3λÊý¡£Çó ´ú±íµÄÁ½Î»Êý£¬¼°809* ºóµÄ½á¹û¡£
//ÌâÄ¿´íÁË£¡809x=800x+9x+1 ÕâÑùµÄ·½³ÌÎ޽⡣ȥµôÄǸö1¾ÍÓнâÁË¡£
public class lianxi42 {
public static void main (String[] args) {
int a=809,b,i;
for(i=10;i<13;i++)
{b=i*a ;
if(8*i<100&&9*i>=100)
System.out.println (¡°809*¡±+i+¡±=¡±+¡±800*¡±+i+¡±+¡±+¡±9*¡±+i+¡±=¡±+b);}
}}
¡¾³ÌÐò43¡¿
ÌâÄ¿£ºÇó0¡ª7ËùÄÜ×é³ÉµÄÆæÊý¸öÊý¡£
//×é³É1λÊýÊÇ4¸ö¡£
//×é³É2λÊýÊÇ7*4¸ö¡£
//×é³É3λÊýÊÇ7*8*4¸ö¡£
//×é³É4λÊýÊÇ7*8*8*4¸ö¡£
//¡­¡­
public class lianxi43 {
public static void main (String[] args) {
int sum=4;
int j;
System.out.println(¡°×é³É1λÊýÊÇ ¡°+sum+¡± ¸ö¡±);
sum=sum*7;
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