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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* C Program to Find the Odd Element given an Array with only two Different Element
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*/
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#include <stdio.h>
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void printodd(int array[], int size)
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{
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int xor2 = array[0]; /* Will hold XOR of two odd occurring elements */
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int set;
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int i;
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int n = size - 2;
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int x = 0, y = 0;
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/* The xor will basically be xor of two odd occurring elements */
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for (i = 1; i < size; i++)
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xor2 = xor2 ^ array[i];
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/* Get one set rightmost bit in the xor2. */
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set = xor2 & ~(xor2 - 1);
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/* Now divide elements in two sets: */
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for (i = 0; i < size; i++)
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{
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/* XOR of first set is finally going to hold one odd occurring number x */
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if (array[i] & set)
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x = x ^ array[i];
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/* XOR of second set is finally going to hold the other odd occurring number y */
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else
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y = y ^ array[i];
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}
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printf("\n The ODD elements are %d & %d ", x, y);
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}
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int main()
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{
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int array[] = {10, 3, 2, 10, 2, 8, 8, 7};
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int arr_size = sizeof(array) / sizeof(array[0]);
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printodd(array, arr_size);
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getchar();
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return 0;
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}
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/*
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The ODD elements are 7 & 3
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