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P3197 [HNOI2008]越狱 || #10196. 「一本通 6.1 练习 3」越狱

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Luogu: R44562020
LibreOJ: https://loj.ac/s/1025675
This commit is contained in:
Baoshuo Ren 2021-01-03 10:59:10 +08:00 committed by Baoshuo Ren
parent ab92882002
commit 78704aba1a
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
2 changed files with 46 additions and 0 deletions
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LibreOJ/10196/10196.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
const int mod = 100003;
long long binpow(long long a, long long b) {
a %= mod;
long long res = 1;
while (b > 0) {
if (b & 1) res = res * a % mod;
a = a * a % mod;
b >>= 1;
}
return res;
}
int main() {
long long m, n;
cin >> m >> n;
cout << (binpow(m, n) - binpow(m - 1, n - 1) * m % mod + mod) % mod << endl;
return 0;
}

23
Luogu/problem/P3197/P3197.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
const int mod = 100003;
long long binpow(long long a, long long b) {
a %= mod;
long long res = 1;
while (b > 0) {
if (b & 1) res = res * a % mod;
a = a * a % mod;
b >>= 1;
}
return res;
}
int main() {
long long m, n;
cin >> m >> n;
cout << (binpow(m, n) - binpow(m - 1, n - 1) * m % mod + mod) % mod << endl;
return 0;
}