#include <iostream>
using namespace std;
long long a,x;
const long long mod=1000000007;
// dp[n] = N ^ (2^n)
long long pow_dpTable[100];
long long pow(long long N,long long P){
pow_dpTable[0]=N;
long long mask=1;
long long result=1;
int i;
for(i=1;mask <= P;i++){
pow_dpTable[i]=(pow_dpTable[i-1] * pow_dpTable[i-1])%mod;
mask<<=1;
}
mask=1;
for(i=0;mask <= P;i++){
if(P&mask){
result = (result * pow_dpTable[i]) % mod;
}
mask<<=1;
}
return result;
}
int main()
{
cin >> a >> x;
a%=mod;
cout << pow(a,x);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1716 KB |
Output is correct |
2 |
Correct |
0 ms |
1716 KB |
Output is correct |
3 |
Correct |
0 ms |
1716 KB |
Output is correct |
4 |
Correct |
0 ms |
1716 KB |
Output is correct |
5 |
Correct |
0 ms |
1716 KB |
Output is correct |
6 |
Correct |
0 ms |
1716 KB |
Output is correct |
7 |
Correct |
0 ms |
1716 KB |
Output is correct |
8 |
Correct |
0 ms |
1716 KB |
Output is correct |
9 |
Correct |
0 ms |
1716 KB |
Output is correct |
10 |
Correct |
0 ms |
1716 KB |
Output is correct |
11 |
Correct |
0 ms |
1716 KB |
Output is correct |
12 |
Correct |
0 ms |
1716 KB |
Output is correct |
13 |
Correct |
0 ms |
1716 KB |
Output is correct |
14 |
Correct |
0 ms |
1716 KB |
Output is correct |
15 |
Correct |
0 ms |
1716 KB |
Output is correct |
16 |
Correct |
0 ms |
1716 KB |
Output is correct |
17 |
Correct |
0 ms |
1716 KB |
Output is correct |
18 |
Correct |
0 ms |
1716 KB |
Output is correct |
19 |
Correct |
0 ms |
1716 KB |
Output is correct |
20 |
Correct |
0 ms |
1716 KB |
Output is correct |