Luo Gu P3197 [HNOI2008] Jailbreak

prison Break

(Gugu Gu)

---

Code:

#include <iostream>
#include <cstring>
#include <cstdio>
#include <cmath>
using namespace std;
//Mystery_Sky
//
#define M 1000100
#define ll long long
#define Mod 100003
ll n, m;
ll quickPow(ll x, ll k)
{
    ll ret = 1;
    while(k) {
        if(k & 1) ret = (ret * x) % Mod;
        k >>= 1;
        x = (x * x) % Mod;
    }   
    return ret % Mod;
} 

int main() {
    scanf("%lld%lld", &m, &n);
    printf("%lld\n", (quickPow(m, n) - (m * quickPow(m-1, n-1)) % Mod + Mod) % Mod);
    return 0;
}