public class Test { public static void main(String... args) { for(int i = 0; i < 10000;i++) { int a = i + 100; int b = a + 168; if(((int)Math.sqrt(a))==((int)Math.ceil(Math.sqrt(a)))&& ((int)Math.sqrt(b))==((int)Math.ceil(Math.sqrt(b)))) { System.out.println(i); } } } } 21 261 1581
public class mathtest { public static void main(String args[]){ double x; double y; int i; //System.out.print(Math.sqrt(100)); for (i=1;i<10000;i++){ x=Math.sqrt(i+100); y=Math.sqrt(i+168); //System.out.println(i); if((x-(int)x)<1e-7 && (y-(int)y)<1e-7){ System.out.println(i); } } }}F:\java>java mathtest 156
哦,那样的话,你和答案一样了. public class mathtest { public static void main(String args[]){ double x; double y; int i; //System.out.print(Math.sqrt(100)); for (i=1;i<10000;i++){ x=Math.sqrt(i+100); y=Math.sqrt(i+268); //System.out.println(i); if((x-(long)x)<1e-7 && (y-(long)y)<1e-7){ System.out.println(i); } } }}F:\java>java mathtest 21 261 1581
public class Test
{
public static void main(String... args) {
for(int i = 0; i < 10000;i++) {
int a = i + 100;
int b = a + 168;
if(((int)Math.sqrt(a))==((int)Math.ceil(Math.sqrt(a)))&&
((int)Math.sqrt(b))==((int)Math.ceil(Math.sqrt(b)))) {
System.out.println(i);
}
}
}
}
21
261
1581
public static void main(String args[]){
double x;
double y;
int i;
//System.out.print(Math.sqrt(100));
for (i=1;i<10000;i++){
x=Math.sqrt(i+100);
y=Math.sqrt(i+168);
//System.out.println(i);
if((x-(int)x)<1e-7 && (y-(int)y)<1e-7){
System.out.println(i);
}
}
}}F:\java>java mathtest
156
public static void main(String args[]){
double x;
double y;
int i;
//System.out.print(Math.sqrt(100));
for (i=1;i<10000;i++){
x=Math.sqrt(i+100);
y=Math.sqrt(i+268);
//System.out.println(i);
if((x-(long)x)<1e-7 && (y-(long)y)<1e-7){
System.out.println(i);
}
}
}}F:\java>java mathtest
21
261
1581