Submission #2000131

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Source Code Expand

#include<iostream>
#include<string>
#include<vector>
#include<math.h>
#include<map>
#include<algorithm>
#include<set>
#define rep(i,N) for(int i=0;i<(N);i++)
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
using namespace std;
const long long MOD = 1e9 + 7;
const long long INF = 1e12;
int main(void){
    int n,k;
    cin>>n>>k;
    int sum=1;
    rep(i,n){
    if(i==0) sum*=k;
    else sum*=k-1;
    }
    cout<<sum<<endl;
    return 0;
}

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