#include #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") using namespace std; using ll = long long; const ll mod = 998244353; #define fi first #define se second #define rep(i,n) for(ll i=0;i> N >> M >> K; vector C(K); rep(i,K) cin >> C[i]; vector dp(N*M,0); dp[0]=1; for(ll i=1;i