You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
477 B
28 lines
477 B
2 years ago
|
#include <bits/stdc++.h>
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
typedef long long LL;
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
freopen("pow.in", "r", stdin);
|
||
|
|
freopen("pow.out", "w", stdout);
|
||
|
|
|
||
|
|
int a, b;
|
||
|
|
cin >> a >> b;
|
||
|
|
|
||
|
|
LL res = 1;
|
||
|
|
if (a == 1) {
|
||
|
|
printf("1");
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (int i = 1; i <= b; i++) {
|
||
|
|
res *= a;
|
||
|
|
if (res > 1e9) {
|
||
|
|
puts("-1");
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
printf("%lld\n", res);
|
||
|
|
return 0;
|
||
|
|
}
|