29 lines
498 B
Go
29 lines
498 B
Go
// Package q1318 implements a solution for https://leetcode.com/problems/minimum-flips-to-make-a-or-b-equal-to-c/
|
|
package q1318
|
|
|
|
func minFlips(a int, b int, c int) int {
|
|
aorb := a | b
|
|
flips := 0
|
|
|
|
p := 1
|
|
for p <= aorb || p <= c {
|
|
switch {
|
|
case c|p == c && aorb|p != aorb:
|
|
flips++ // c has the bit
|
|
|
|
case c|p != c && aorb|p == aorb:
|
|
if a|p == a {
|
|
flips++ // a has the bit
|
|
}
|
|
if b|p == b {
|
|
flips++ // b has the bit
|
|
}
|
|
}
|
|
|
|
p <<= 1
|
|
}
|
|
|
|
return flips
|
|
}
|
|
|
|
var _ = minFlips
|