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authorYuqian Yang <crupest@crupest.life>2025-02-12 15:55:21 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-12 16:04:50 +0800
commit93ea69f427e3d8165d34bd6ca7b533666884f307 (patch)
tree22fcaec20fcdad22afd01c4214ca5301e304e15f /works/solutions/leetcode/cpp/896.cpp
parent1ecfd0ab7f1f511268fd6404dbc110c3c277b48c (diff)
parenteb8beb49117289ba9181cbefe647c4aa44e6a0b1 (diff)
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import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/896.cpp')
-rw-r--r--works/solutions/leetcode/cpp/896.cpp35
1 files changed, 35 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/896.cpp b/works/solutions/leetcode/cpp/896.cpp
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--- /dev/null
+++ b/works/solutions/leetcode/cpp/896.cpp
@@ -0,0 +1,35 @@
+#include <vector>
+
+using std::vector;
+
+enum Order { Ascend, Descend, Unknown };
+
+class Solution {
+public:
+ bool isMonotonic(vector<int> &A) {
+ Order order = Unknown;
+
+ int count = A.size();
+ for (int i = 1; i < count; i++) {
+ int last = A[i - 1];
+ int current = A[i];
+ if (order == Unknown) {
+ if (current > last) {
+ order = Ascend;
+ } else if (current < last) {
+ order = Descend;
+ }
+ } else if (order == Ascend) {
+ if (last > current) {
+ return false;
+ }
+ } else {
+ if (last < current) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+};