Hay bien doi S theo quy tac sau: chu so thi bien thanh “$” con cac ky tu khac giu nguyen.. Hay dem xem xau S1 xuat hien trong S2 tai bao nhieu vi tri..[r]
Trang 1public class bai05 {
public static void main(String[] args)
dem++;
} }
if (dem==1) {
System.out.print(k+" ");
j++;// so lan in duoc cong them 1
1
Trang 2} }
{
if ((k%3==0) && (k%7==0))
System.out.print(k+" ");
}
Trang 3public static void main(String[] args) {
public class bai11 {
public static void main(String[] args) {
int dem0,dem1,dem2,dem3;
int d,k;
3
Trang 4so cac so chia het cho 5
la:20 So cac so chia 5 du 1
la:19 So cac so chia 5 du 2
la:19 So cac so chia 5 du 3
la:19 Process completed
Trang 5System.out.print("uoc so nguyen to nho nhat la:"+k ); break;
} }
{
public class bai13 {
public static void main(String[] args) {
{
Trang 6Process completed
Bài 14
/*
*Cho truoc so tu nhien N bat ki (da gan truoc do)
*In ra man hinh tat ca cac uoc so nguyen to khac nhau cua
N */
public class bai14 {
public static void main(String[] args) {
{
dem++;
}
Trang 7public class ham05 {
public static void main(String[ ] args) {
int N=3,k;
float S=0;
7
Trang 9III/ Bài tập về mảng (Array)
Bài 01
/**
*Cho 1 day so tu nhien,viet chuong trinh sap xep day nay theo thu tu giam dan
*/
public class mang01 {
public static void main(String[] args) {
{
if (a[k]<a[j])
{
}
if (a[k]%x==0)
Trang 10Bài 03
/**
*Cho 1day cac so tu nhien, tim va in ra 1 gia tri min cua day nay va tat ca cac chi so ung voi gt min nay
*/
public class mang03 {
public static void main(String[] args) {
min=a[k];
System.out.println("gia tri nho nhat cua day la:" +min);
System.out.print("vi tri cua so co gia tri min la:"); for
(k=0;k<N;k++)
if (min == a[k])
public class mang04 {
public static void main(String[] args)
System.out.println("gia tri lon nhat cua day la:"+max);
System.out.print("vi tri cua so co gia tri max la:"); for
(k=0;k<N;k++)
if(max==a[k])
public class mang05 {
public static void main(String[] args) {
10
Trang 11dem++;
}
if (dem==1)
System.out.println("so cac so nguyen to la:"+nt);
System.out.println("so cac hop so la:"+hs);
{
if ((j==k) |(a[k]==0))
continue;
if (a[j]%a[k]==0)
{
Trang 12Bài 07
/**
*Cho 1 day so tu nhien,haytim 1 so tu nhien nho nhat c khong bang bat cu so nao trong day tren
*/
public class mang07 {
public static void main(String[] args) {
{
int temp;
if (a[k]>a[j])
{
}
if(a[k]!=a[k+1])
{
if(k==0)
{
else
if (a[k-1]!=a[k])
{
}
}
public class mang08 {
public static void main(String[] args) {
12
Trang 13{
*Cho 1 day o nguyen bat ki, cho truoc 1 so c
*Hay dem co bao nhieu so cua day tren =c; >c; <c
*/
public class mang09 {
public static void main(String[] args) {
int N=5,k,c=3;
13
Trang 14System.out.println("so cac so nho hon c la:"+dem1);
System.out.println("so cac so bang c la:"+dem2);
*Cho 1 day so nguyen to bat ki,hay tim ra 1 day so lien nhau dai nhat bao gom cac so bang nhau
*Hay in ra so luong va cac chi so dau tien cua day con nay */
public class mang10 {
{
dem=0;
for (int j=k;j<N;j++)
{
if (a[k]==a[j])
dem++;
if (demmax<dem)
{
}
} }
System.out.println("so cac so thuoc day dai nhat la:"+demmax);
System.out.print("chi so cua day dai nhat la:"+x);
}
}
Kết quả
so cac so thuoc day dai nhat la:5
chi so cua day dai nhat la:4
14
Trang 15public class mang11 {
public static void main(String[] args) {
{
dem=1;
for (int j=k;j<N-1;j++)
{
if (a[j]<=a[j+1])
{
dem++;
if (demmax<dem)
{
}
else break;
}
}
}
System.out.println("so cac so thuoc day dai nhat la:"
+demmax); System.out.print("Chi so cua day dai nhat la:" +x);
*Day so a[ ] duoc goi la day con cua b[ ] neu tu b[ ] xoa di 1 vai so se thu duoc a[ ]
*Cho truoc 2 day so nguyen a[ ];b[ ].Hay kiem tra xem a[ ] co la day con cua b[ ] hay ko
*/
public class mang12 {
public static void main(String[] args) {
Trang 16{
if(a[j]==b[k]) {
in++;
x=k+1;
break;
} }
}
if (in==N)
System.out.print("day a la day con cua day b");
else
System.out.print("day a ko la day con cua day b");
String S = new String (" Nguyen Thi Binh "); String
S1,S2 = new String (); S=S.trim();
for (int k=0; k<S.length();k++)
Trang 17*/
public class String02 {
public static void main(String[] args) {
String S = new String ("abc def ab cdfg abcabc");
String S1= new String ();
String S = new String (" Nguyen Van An ");
String S1 = new String (); S=S.trim();
public class String04 {
public static void main(String[] args) {
String S = new String (" Nguyen Van An ");
String S1 = new String ();
S=S.trim();
int k;
17
Trang 18public class String06 {
public static void main(String[] args) {
String S,S1,S2= new String ();
Trang 19{
public static void main(String[] args) {
String S1= new String ("abc def ghj abc ab c");
String S2= new String ("abc");
String S3= new String();
Trang 20public static void main(String[] args) {
String S= new String ("0123456789");
String S1,S2 = new String();
Trang 21S1=dshs[k].substring(i,i+1);
if(S1.equals(" "))
break;
21
Trang 22} for (j=N-1;j>=0;j ) {
S1=dshs[k].substring(j,j+1);
if(S1.equals(" "))
break;
} S1=dshs[k].substring(i+1,j);
public class String13_2 {
public static void main(String[] args) {
String [] ds={"Nguyen Thi Binh "," Tran Binh Minh "," Nguyen Thi Hoa "};
22
Trang 24public class String16 {
public static void main(String[] args) {
String S2= new String ("123456789");
String S1=new String("abcdefg");
dem++;
x=k;
break;
} else k++;
24