public class Test { public static String decompose(int n){ if(n < 2&&n > 0) return "1*"+n; if(n == 0) return "0"; StringBuffer str = new StringBuffer(); int num = Math.abs(n); if(n < 0) str.append("-"); int i = 2; while(num>1){ if(num == Test.t(num)){ if(str.length()==0){ str.append("1*"+num); }else{ str.append(num); } break; }else{ str.append(Test.t(num)+"*"); num = num/Test.t(num); } } return str.toString(); }
public static int t(int num){ int n = (int)Math.sqrt(num); int i = 2; while(i <= n){ if(num%i==0) return i; i++; } return num; }
public static void main(String[] args) { System.out.println(Test.decompose(-6)); } }
public class TestYSFJ { int b = 0; int c = 0; public static void main(String[] args) { TestYSFJ t = new TestYSFJ(); t.DD(-888); if (t.c > 0) { System.out.print(t.c); } else { System.out.print("(" + t.c + ")"); } } public int DD(int a) { b = Math.abs((int) Math.sqrt(Math.abs(a))); for (int i = 2; i <= b; i++) { if (a % i == 0) { c = a / i; System.out.print(i + "*"); DD(c); return c; } } return c; }}
while循环public class TestYSFJ { int b = 0; int c = 0; public static void main(String[] args) { TestYSFJ t = new TestYSFJ(); t.DD(-888); if (t.c > 0) { System.out.print(t.c); } else { System.out.print("(" + t.c + ")"); } } public int DD(int a) { b = Math.abs((int) Math.sqrt(Math.abs(a))); int i = 2; while( i <= b) { if (a % i == 0) { c = a / i; System.out.print(i + "*");
public class Test { public static String decompose(int n){
if(n < 2&&n > 0)
return "1*"+n;
if(n == 0)
return "0";
StringBuffer str = new StringBuffer();
int num = Math.abs(n);
if(n < 0)
str.append("-");
int i = 2;
while(num>1){
if(num == Test.t(num)){
if(str.length()==0){
str.append("1*"+num);
}else{
str.append(num);
}
break;
}else{
str.append(Test.t(num)+"*");
num = num/Test.t(num);
}
}
return str.toString();
}
public static int t(int num){
int n = (int)Math.sqrt(num);
int i = 2;
while(i <= n){
if(num%i==0)
return i;
i++;
}
return num;
}
public static void main(String[] args) {
System.out.println(Test.decompose(-6));
}
}
int b = 0;
int c = 0; public static void main(String[] args) {
TestYSFJ t = new TestYSFJ();
t.DD(-888);
if (t.c > 0) {
System.out.print(t.c);
} else {
System.out.print("(" + t.c + ")");
} } public int DD(int a) {
b = Math.abs((int) Math.sqrt(Math.abs(a)));
for (int i = 2; i <= b; i++) {
if (a % i == 0) {
c = a / i;
System.out.print(i + "*");
DD(c);
return c;
} }
return c; }}
while循环public class TestYSFJ {
int b = 0;
int c = 0; public static void main(String[] args) {
TestYSFJ t = new TestYSFJ();
t.DD(-888);
if (t.c > 0) {
System.out.print(t.c);
} else {
System.out.print("(" + t.c + ")");
} } public int DD(int a) {
b = Math.abs((int) Math.sqrt(Math.abs(a)));
int i = 2;
while( i <= b) {
if (a % i == 0) {
c = a / i;
System.out.print(i + "*");
DD(c);
return c;
}
i++;
}
return c; }}