D - Zookeeper and The Infinite Zoo

https://codeforces.com/contest/1491/submission/179545851

Codeforces/1491/D/D.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int q;
+
+    cin >> q;
+
+    while (q--) {
+        unsigned int u, v;
+        int cnt_u = 0,
+            cnt_v = 0;
+
+        cin >> u >> v;
+
+        bool flag = u <= v;
+        for (int i = 0; i < 30; i++) {
+            if (u & (1 << i)) cnt_u++;
+            if (v & (1 << i)) cnt_v++;
+
+            if (cnt_u < cnt_v) {
+                flag = false;
+
+                break;
+            }
+        }
+
+        cout << (flag ? "YES" : "NO") << endl;
+    }
+
+    return 0;
+}