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Copy pathdoIntegerBasedRounding.java
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76 lines (62 loc) · 1.94 KB
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public class doIntegerBasedRounding {
public static void main(String[] args) {
int[] result = doIntegerBasedRounding(new int[]{1,2,3,4,5}, 2);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{1,2,3,4,5}, 3);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{1,2,3,4,5}, -3);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{-1, -2, -3, -4, -5}, 3);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{-18, 1,2,3,4,5}, 4);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{1,2,3,4,5}, 5);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
System.out.println(" ");
result = doIntegerBasedRounding(new int[]{1,2,3,4,5}, 100);
for (int i = 0; i < result.length; i++) {
System.out.print(result[i] + " ");
}
}
static int[] doIntegerBasedRounding(int[] a, int n)
{
int[] newA = new int[a.length];
if (n > 0)
{
int rem = 0;
int add = 0;
for (int i=0; i < a.length; i++)
{
if (a[i] > 0) {
rem = a[i] % n;
if (rem >= n/2.0){
add = n;
} else {
add = 0;
}
newA[i] = a[i] - rem + add;
} else {
newA[i] = a[i];
}
}
} else newA = a;
return newA;
}
}