'commit'

TangDou/CSP-J/AcWingTraining/T1/4728.cpp

@@ -0,0 +1,21 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+typedef long long LL;
+
+int main() {
+  int a, b;
+  cin >> a >> b;
+
+  LL res = 1;
+  while (a > 1 && b--) {
+    res *= a;
+    if (res > 1e9) {
+      res = -1;
+      break;
+    }
+  }
+
+  cout << res << endl;
+  return 0;
+}