题解 | #kotori和气球#
kotori和气球
https://ac.nowcoder.com/acm/problem/50039
#include<stdio.h>
int main(){
int n,m;
const int mod = 109;
scanf("%d %d",&n,&m);
long long cnt = n;
for(int i = 0;i<m-1;i++){
cnt *= (n-1);
cnt = cnt % mod;
}
printf("%lld",cnt);
return 0;
int main(){
int n,m;
const int mod = 109;
scanf("%d %d",&n,&m);
long long cnt = n;
for(int i = 0;i<m-1;i++){
cnt *= (n-1);
cnt = cnt % mod;
}
printf("%lld",cnt);
return 0;
}
//so easy
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