竞赛java编程题50题（有答案）(6)

public class lianxi34 {

public static void main(String[] args) { Scanner s = new Scanner(System.in); System.out.println(\请输入3个整数：\ int a = s.nextInt(); int b = s.nextInt(); int c = s.nextInt(); if(a < b) { int t = a; a = b; b = t; }

if(a < c) { int t = a; a = c; c = t; }

if(b < c) { int t = b; b = c; c = t; }

System.out.println(\从大到小的顺序输出:\ System.out.println(a + \

} }

【程序35】

题目：输入数组，最大的与第一个元素交换，最小的与最后一个元素交换，输出数组。 import java.util.*; public class lianxi35 {

public static void main(String[] args) { int N = 8;

int[] a = new int [N];

Scanner s = new Scanner(System.in); int idx1 = 0, idx2 = 0;

System.out.println(\请输入8个整数：\ for(int i=0; i

System.out.println(\你输入的数组为：\ for(int i=0; i

int max =a[0], min = a[0]; for(int i=0; i max) { max = a[i]; idx1 = i;

}

if(a[i] < min) { min = a[i]; idx2 = i; } }

if(idx1 != 0) { int temp = a[0]; a[0] = a[idx1]; a[idx1] = temp; }

if(idx2 != N-1) { int temp = a[N-1]; a[N-1] = a[idx2]; a[idx2] = temp; }

System.out.println(\交换后的数组为：\ for(int i=0; i

【程序36】

题目：有n个整数，使其前面各数顺序向后移m个位置，最后m个数变成最前面的m个数

import java.util.Scanner; public class lianxi36 {

public static void main(String[] args) { int N =10;

int[] a = new int[N];

Scanner s = new Scanner(System.in); System.out.println(\请输入10个整数：\ for(int i=0; i

System.out.print(\你输入的数组为：\ for(int i=0; i

System.out.print(\请输入向后移动的位数：\ int m = s.nextInt(); int[] b = new int[m]; for(int i=0; i

for(int i=N-1; i>=m; i--) { a[i] = a[i-m]; }

for(int i=0; i

a[i] = b[i]; }

System.out.print(\位移后的数组是：\ for(int i=0; i

【程序37】

题目：有n个人围成一圈，顺序排号。从第一个人开始报数（从1到3报数），凡报到3的人退出圈子，问最后留下的是原来第几号的那位。 import java.util.Scanner; public class lianxi37 {

public static void main(String[] args) { Scanner s = new Scanner(System.in);

System.out.print(\请输入排成一圈的人数：\ int n = s.nextInt();

boolean[] arr = new boolean[n]; for(int i=0; i

int leftCount = n; int countNum = 0; int index = 0;