public class MyClass {
private static void PrintCommonElementsInThreeArrays(int[] arr1, int[] arr2, int[] arr3) {
int size1 = arr1.length;
int size2 = arr2.length;
int size3 = arr3.length;
int i = 0, j = 0, k = 0;
while (i < size1 && j < size2 && k < size3) {
if (arr1[i] == arr2[j] && arr3[k] == arr1[i]) {
System.out.print(arr1[i] + " ");
i++; j++; k++;
}
else if (arr1[i] < arr2[j]) {
i++;
}
else if (arr2[j] < arr3[k]) {
j++;
}
else {
k++;
}
}
}
public static void main(String args[]) {
int[] arr1 = {2, 5, 6, 7, 9, 12, 20, 25, 30, 31};
int[] arr2 = {4, 7, 10, 11, 20, 21, 30, 31, 37};
int[] arr3 = {1, 2, 5, 7, 9, 18, 19, 20, 31, 32, 38, 39, 40, 50};
PrintCommonElementsInThreeArrays(arr1, arr2, arr3);
}
}
/*
run:
7 20 31
*/
