Submission #19608

#	Time	Username	Problem	Language	Result	Execution time	Memory
19608		noeffserv	Α (kriii4_P1)	C++98	100 / 100	0 ms	1716 KiB

P1

#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>
#include <stack>
#include <queue>
#include <functional>
#include <cstring>
#include <string>
#include <map>
#include <set>
#include <iostream>

#define ENP     printf("**Entry Point**\n")
#define A       first
#define B       second
#define MP      make_pair

using namespace std;

typedef long long                       ll;
typedef vector  <double>              vec_d;
typedef vector  <vec_d>                   vvec_d;
typedef vector  <int>                 vec_i;
typedef vector  <vec_i>                   vvec_i;
typedef pair    <int, int>                pair_i;
typedef pair    < pair_i, pair_i >        pp_i;

const int INF = 0x60000000;
const int MINF = -1000000000;
const ll mod = 1000000007;
const int cons = 50000001;

ll table[64];

int main()
{
	ll a, x;
	cin >> a >> x;

	a %= mod;

	table[1] = a;

	ll ans = 1;

	for (int i = 2; i < 64; i++)
	{
		table[i] = (table[i - 1] * table[i - 1]) % mod;
	}

	for (int i = 63; i >= 1; i--)
	{
		ll t = (1LL << (i - 1));
		if (x >= t)
		{
			x -= t;
			ans = (ans * table[i]) % mod;
		}
	}

	cout << ans << endl;

	return 0;
}

• Subtask 1: 100 / 100