1 files changed, 23 insertions, 0 deletions
diff --git a/codeforces/DiffucltyRatingOrder/DiffucltyRatingOrder.cpp b/codeforces/DiffucltyRatingOrder/DiffucltyRatingOrder.cpp
new file mode 100644
index 0000000..1ed740d
--- /dev/null
+++ b/codeforces/DiffucltyRatingOrder/DiffucltyRatingOrder.cpp
@@ -0,0 +1,23 @@
+#include<bits/stdc++.h>
+using namespace std;
+bool isIncreasing(vector<int> v) {
+  for(int i = 0; i < v.size() - 1; i++) {
+    if(v[i+1] < v[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+
+
+int main() {
+  int tt;
+  cin >> tt;
+  while(tt--) {
+    int n;
+    cin >> n;
+    vector<int> v(n);
+    for(int &x : v) cin >> x;
+    cout << (isIncreasing(v) ? "YES" : "NO") << '\n';
+  }
+}