new file: P1593.cpp

P1593.cpp

@@ -0,0 +1,40 @@
+// 97
+#include <cstdio>
+#include <map>
+#include <cmath>
+#define int long long
+using namespace std;
+const int mod = 9901;
+int pow(int a, int b, int p)
+{
+    a %= p;
+    int res = 1;
+    while (b > 0)
+    {
+        if (b % 2)
+            res *= a, res %= p;
+        a = a * a % p, b >>= 1;
+    }
+    return res;
+}
+signed main()
+{
+    int a, b;
+    scanf("%lld%lld", &a, &b);
+    map<int, int> yuec;
+    for (int i = 2; a > 1; i++)
+        while (a % i == 0)
+            yuec[i]++, a /= i;
+    int ans = 1;
+    for (pair<int, int> i : yuec)
+    {
+        if ((i.first - 1) % mod == 0)
+            ans *= (i.second * b + 1) % mod;
+        else
+            ans *= (pow(i.first, i.second * b + 1, mod) - 1) * pow(i.first - 1, mod - 2, mod)%mod;
+        ans %= mod;
+    }
+    if(!a) ans=0;
+    printf("%lld\n", (ans+mod)%mod);
+    return 0;
+}