ได้รับอาร์เรย์ที่เรียงแล้ว 2 อาร์เรย์ ต้องแสดงสมาชิกที่ไม่ซ้ำกัน (uncommon elements)
Given: array1[] = {1, 4, 6, 9, 12}
array2[] = {2, 4, 7, 8, 9, 10}
Output: 1 2 6 7 8 10 12
อัลกอริทึม
START Step 1 -> declare two arrays array1 and array2 with elements as int and variables n1, n2, i to 0 and j to 0 Step 2 -> calculate number of elements in array1 sizeof(array1)/sizeof(array1[0]) Step 3 -> calculate number of elements in array2 sizeof(array2)/sizeof(array2[0]) Step 4 -> Loop While till iarray2[j] Print array2[j++] End ELSE IF ELSE i++ and j++ End ELSE Step 5 -> End Loop While Step 6 -> loop While i < n1 && array1[i]!=array2[j] Print array1[i++] Step 7 -> End Loop While Step 8 -> loop While j < n2 && array2[j]!=array1[i] Print array2[j++] Step 9 -> End Loop While STOP
ตัวอย่างโค้ด (C)
#include <stdio.h>
int main(int argc, char const *argv[]) {
int array1[] = {1, 4, 6, 9, 12};
int array2[] = {2, 4, 7, 8, 9, 10};
int n1, n2, i = 0, j = 0;
n1 = sizeof(array1)/sizeof(array1[0]);
n2 = sizeof(array2)/sizeof(array2[0]);
while (i < n1 && j < n2) {
if (array1[i] < array2[j])
printf("%d\n", array1[i++]);
else if (array1[i] > array2[j])
printf("%d\n", array2[j++]);
else {
i++;
j++;
}
}
while (i < n1 && array1[i] != array2[j])
printf("%d\n", array1[i++]);
while (j < n2 && array2[j] != array1[i])
printf("%d\n", array2[j++]);
return 0;
}
ผลลัพธ์
1 2 6 7 8 10 12