Codeforces 861div2 E1
// compile: g++ -o data data.cpp -std=gnu++20 -DLOCAL
// run: ./data < data.in
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#ifdef LOCAL
#endif
#define sz(v) ((int)(v).size())
#define PV(v) for (int i=0;i<v.size();++i)cout<<v[i]<<" ";cout<<endl;
#define int long long
#define MAXN 110
#define MAXM 40

using namespace std;

int n, K, P;
int dp[MAXN][MAXM];

int power(int a, int b) {
    int s = 1;
    for (int i = 0; i < b; ++i) s = (s * a) % P;
    return s;
}

int32_t main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin >> n >> K >> P;
    int bad = 0;
    for (int s = 0; s < K; ++s) {
        // exclude s
        memset(dp, 0, sizeof(dp));
        dp[0][0] = 1;
        for (int i = 1; i <= n; ++i) {
            for (int j = 0; j < K; ++j) {
                for (int k = 0; k < K; ++k) {
                    if ((2*k) % K == s) continue;
                    int bit = (j - k + K) % K;
                    dp[i][j] = (dp[i][j] + dp[i-1][bit]) % P;
                }
            }
        }
        cout << dp[n][s] << endl;
        bad = (bad + dp[n][s]) % P;
    }
    cout << (power(K, n) - bad + P) % P << endl;

    return 0;
}
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Source: github.com/k4yt3x/flowerhd
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