Submission #19610

#	Time	Username	Problem	Language	Result	Execution time	Memory
19610		chan492811	Α (kriii4_P1)	C++98	100 / 100	0 ms	1084 KiB

P1

#include <cstdio>
#include <algorithm>
#define mod 1000000007
#define ll long long
using namespace std;
ll table[100];
void make_table(ll a){
    ll i;
    table[0]=a%mod;
    for(i=1;i<100;i++) table[i]=(table[i-1]*table[i-1])%mod;
}
int main(){
    ll i,a,s,res=1,now;
    scanf("%lld %lld",&a,&s);
    make_table(a); now=1;
    for(i=0;s;i++){
        if(s&now) res*=table[i],res%=mod,s-=now;
        now*=2;
    }
    printf("%lld",res);
    return 0;
}

• Subtask 1: 100 / 100