1 files changed, 38 insertions, 0 deletions
diff --git a/BinarySearch/main.cpp b/BinarySearch/main.cpp
new file mode 100644
index 0000000..2dbe7fe
--- /dev/null
+++ b/BinarySearch/main.cpp
@@ -0,0 +1,38 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+bool bs(vector<int> &a, int toFind) {
+  int low = 0;
+  int high = a.size() - 1;
+  int mid = (high + low) / 2;
+  while (low <= high) {
+    if (a[mid] == toFind) {
+      return true;
+    } else if (a[mid] > toFind) {
+      high = mid - 1;
+    } else if(a[mid] < toFind){
+      low = mid + 1;
+    }
+    mid = (high + low) / 2;
+  }
+  return false;
+}
+
+int main() {
+  ios_base::sync_with_stdio(false);
+  cin.tie(NULL);
+  int n, k;
+  cin >> n >> k;
+
+  vector<int> a(n);
+  vector<int> q(n);
+
+  for (int &x : a)
+    cin >> x;
+  for (int i = 0; i < k; i++) {
+    int y;
+    cin >> y;
+    cout << (bs(a, y) ? "YES" : "NO") << endl;
+  }
+}