From 6c9b79537f03115c5e2d4883fd407a6ac870bffd Mon Sep 17 00:00:00 2001 From: Matt Strapp Date: Tue, 11 Jan 2022 10:18:56 -0600 Subject: Resume and rearrange Signed-off-by: Matt Strapp --- csci5271/hw1/hw1p4.c | 32 -------------------------------- 1 file changed, 32 deletions(-) delete mode 100644 csci5271/hw1/hw1p4.c (limited to 'csci5271/hw1/hw1p4.c') diff --git a/csci5271/hw1/hw1p4.c b/csci5271/hw1/hw1p4.c deleted file mode 100644 index 4526e43..0000000 --- a/csci5271/hw1/hw1p4.c +++ /dev/null @@ -1,32 +0,0 @@ -#include - -/* Reverse the elements from FROM to TO, inclusive */ -void reverse_range(int *a, int from, int to) -{ - unsigned int *p = &a[from]; - unsigned int *q = &a[to]; - /* Until the pointers move past each other: */ - while (!(p == q + 1 || p == q + 2)) - { - /* Swap *p with *q, without using a temporary variable */ - *p += *q; /* *p == P + Q */ - *q = *p - *q; /* *q == P + Q - Q = P */ - *p = *p - *q; /* *p == P + Q - P = Q */ - /* Advance pointers towards each other */ - p++; - q--; - } -} - -int main() -{ - int a[10] = {255, 0, -65536, 2147483647, -2147483648, - -1, 0, 1, 2, 3}; - reverse_range(a, 9, 0); - for (int i = 0; i < 10; i++) - { - printf("%d ", a[i]); - } - printf("\n"); - return 0; -} \ No newline at end of file -- cgit v1.2.3