// 3151. Special Array I #include "leetcode.h" /* * an array is considered special if every pair of its adjacent elements * contains two numbers with different parity. you are given an array of * integers 'nums'. return 'true' if 'nums' is a special array, otherwise return * 'false'. */ bool isArraySpecial(int *nums, int numsSize) { for (int i = 0; i < numsSize; i++) if (!(nums[i - 1] & 1) ^ (nums[i] & 1)) return false; return true; } int main() { int n1[] = {1}, n2[] = {2, 1, 4}, n3[] = {4, 3, 1, 6}; printf("%d\n", isArraySpecial(n1, ARRAY_SIZE(n1))); // expect: 1 printf("%d\n", isArraySpecial(n2, ARRAY_SIZE(n2))); // expect: 1 printf("%d\n", isArraySpecial(n3, ARRAY_SIZE(n3))); // expect: 0 }