Esempio n. 1
0
File: Main.java Progetto: mrain/acm
 public static boolean check(long n, int p) {
   BigInteger P = BigInteger.TEN.pow(p), Q = BigInteger.TEN.pow(p - 1);
   BigInteger N = BigInteger.ONE, tmp = BigInteger.valueOf(2);
   while (n > 0) {
     if ((n % 2) == 1) {
       N = N.multiply(tmp);
       N = N.mod(P);
     }
     tmp = tmp.multiply(tmp);
     tmp = tmp.mod(P);
     n >>= 1;
   }
   N = N.divide(Q);
   if (N.equals(BigInteger.ONE) || N.equals(BigInteger.valueOf(2))) return true;
   else return false;
 }
Esempio n. 2
0
 public static void main(String[] args) {
   Scanner in = new Scanner(System.in);
   n = in.nextInt();
   l = new BigInteger(in.next());
   k = in.nextInt();
   m = in.nextInt();
   BigInteger w = BigInteger.TEN.pow(m);
   for (int i = 0; i <= n; ++i) a[i] = new BigInteger(in.next());
   for (int i = 0; i < Math.min(k, n + 1); ++i) {
     t = a[0];
     for (int j = 1; j <= n; ++j) {
       t = t.multiply(l);
       t = t.add(a[j]);
     }
     t = t.mod(w);
     q[n][i] = t.mod(w);
     int ret = 0;
     c = t.toString().toCharArray();
     int ll = c.length;
     for (int j = 0; j < Math.min(m, ll); ++j) {
       ret += (c[ll - 1 - j] - '0') * (c[ll - 1 - j] - '0');
     }
     System.out.println(ret);
     l = l.add(BigInteger.ONE);
   }
   if (k > n) {
     for (int i = n - 1; i >= 0; --i) {
       for (int j = 0; j <= i; j++) q[i][j] = q[i + 1][j + 1].subtract(q[i + 1][j]).mod(w);
     }
     for (int i = 1; i <= n; ++i) q[0][i] = q[0][0];
     int po = 1;
     for (int i = n + 1; i < k; ++i) {
       for (int j = 1; j <= n; ++j)
         q[j][(po + j) % (n + 1)] =
             q[j - 1][(po + j - 1) % (n + 1)].add(q[j][(po + j - 1) % (n + 1)]).mod(w);
       int ret = 0;
       c = q[n][(po + n) % (n + 1)].mod(w).toString().toCharArray();
       int ll = c.length;
       for (int j = 0; j < Math.min(m, ll); ++j) {
         ret += (c[ll - 1 - j] - '0') * (c[ll - 1 - j] - '0');
       }
       System.out.println(ret);
       l = l.add(BigInteger.ONE);
       ++po;
     }
   }
 }