aboutsummaryrefslogtreecommitdiff
path: root/store/works/solutions/leetcode/cpp/397.cpp
diff options
context:
space:
mode:
authorYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
commit99e2e923d0c77b02f3fb4ff648ea916954868606 (patch)
treeec8e03f6f2cd1ce43990fb4fe6cd631967d0237e /store/works/solutions/leetcode/cpp/397.cpp
parent1cee979f5d36b311a03cc7397a036ba11caf3d42 (diff)
downloadcrupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.gz
crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.tar.bz2
crupest-99e2e923d0c77b02f3fb4ff648ea916954868606.zip
chore(store): move everything to store.
Diffstat (limited to 'store/works/solutions/leetcode/cpp/397.cpp')
-rw-r--r--store/works/solutions/leetcode/cpp/397.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/store/works/solutions/leetcode/cpp/397.cpp b/store/works/solutions/leetcode/cpp/397.cpp
new file mode 100644
index 0000000..bbb61ff
--- /dev/null
+++ b/store/works/solutions/leetcode/cpp/397.cpp
@@ -0,0 +1,47 @@
+class Solution
+{
+public:
+ int integerReplacement(int n)
+ {
+ if (n == 2147483647)
+ return 32;
+
+ int count = 0;
+
+ while (n != 1)
+ {
+ if (n == 2)
+ {
+ count += 1;
+ break;
+ }
+ if (n == 3)
+ {
+ count += 2;
+ break;
+ }
+ if (n % 2 == 0)
+ {
+ count += 1;
+ n /= 2;
+ continue;
+ }
+ if ((n - 1) % 4 == 0)
+ {
+ count += 3;
+ n = (n - 1) / 4;
+ continue;
+ }
+ if ((n + 1) % 4 == 0)
+ {
+ count += 3;
+ n = (n + 1) / 4;
+ continue;
+ }
+ count += 2;
+ n = (n - 1) / 2;
+ }
+
+ return count;
+ }
+};