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2020-10-24 10:23:28 +00:00
parent a23bac99e8
commit 5d59a2e828
219 changed files with 13758 additions and 14582 deletions

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@@ -1,27 +1,24 @@
package Maths;
/**
* https://en.wikipedia.org/wiki/Cube_(algebra)
*/
/** https://en.wikipedia.org/wiki/Cube_(algebra) */
public class PerfectCube {
public static void main(String[] args) {
assert !isPerfectCube(-1);
assert isPerfectCube(0);
assert isPerfectCube(1);
assert !isPerfectCube(4);
assert isPerfectCube(8);
assert isPerfectCube(27);
public static void main(String[] args) {
assert !isPerfectCube(-1);
assert isPerfectCube(0);
assert isPerfectCube(1);
assert !isPerfectCube(4);
assert isPerfectCube(8);
assert isPerfectCube(27);
}
}
/**
* Check if a number is perfect cube or not
*
* @param number number to check
* @return {@code true} if {@code number} is perfect cube, otherwise {@code false}
*/
public static boolean isPerfectCube(int number) {
int a = (int) Math.pow(number, 1.0 / 3);
return a * a * a == number;
}
/**
* Check if a number is perfect cube or not
*
* @param number number to check
* @return {@code true} if {@code number} is perfect cube, otherwise {@code false}
*/
public static boolean isPerfectCube(int number) {
int a = (int) Math.pow(number, 1.0 / 3);
return a * a * a == number;
}
}