Submission #19647

#	Time	Username	Problem	Language	Result	Execution time	Memory
19647		joinsung	Α (kriii4_P1)	C++98	0 / 100	0 ms	1716 KiB

P1

#include <iostream>
using namespace std;

#define MOD 1000000007
long long pow[100];

int main() {
  long long a, x;
  cin >> a >> x;
  long long s = 1;
  for (int i = 0; i <= 64; i++) {
    pow[i] = s;
    s = s * s % MOD;
  }
  long long res = 1;
  int bit = 0;
  while (a > 0) {
    if (a & 1 == 1)
      res = (res * pow[bit]) % MOD;
    bit++;
    a >>= 1;
  }
  cout << res << endl;
}

• Subtask 1: 0 / 100