feat(codeforces): 1062 div 4

codeforces/1062/2167d.cc

@@ -0,0 +1,30 @@
+#include <algorithm>
+#include <numeric>
+#include <iostream>
+#include <vector>
+using namespace std;
+using u64 = unsigned long long;
+vector<u64> a;
+int n;
+void solve() {
+  cin >> n;
+  a.resize(n);
+  for (auto& e : a) cin >> e;
+
+  for (u64 i = 2;; ++i) {
+    for (auto& e : a) {
+      if (gcd(e, i) == 1) {
+        cout << i << '\n';
+        return;
+      }
+    }
+  }
+}
+int main() {
+  int t;
+  cin >> t;
+  for (int i = 0; i < t; ++i) {
+    solve();
+  }
+}
+