#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int H,W,K; string S[1010101]; vector dp[1010101],ver[1010101],hol[1010101]; const ll mo=998244353; void solve() { int i,j,k,l,r,x,y; string s; cin>>H>>W>>K; if(H<=W) { FOR(y,H) cin>>S[y]; } else { FOR(y,H) { cin>>s; FOR(x,W) S[x]+=s[x]; } swap(H,W); } FOR(y,H+2000) dp[y].resize(W+2000),ver[y].resize(W+2000),hol[y].resize(W+2000); dp[0][0]=1; if(S[0][0]=='#') dp[0][0]=0; ver[1][1]=hol[1][1]=dp[0][0]; for(int sum=1;sum<=H+W-2;sum++) { ll cur=0; for(y=0;y