#include "bits/stdc++.h" #include #include #include #include #include #pragma warning(push) #pragma warning(disable:26498 26450 26451 26812) #include "atcoder/all" #pragma warning(pop) #include //#include //using namespace boost::multiprecision; // std::fixed << std::setprecision(10) << using namespace std; using namespace atcoder; using ll = long long; using ull = unsigned long long; using mint = modint998244353; using mint2 = modint1000000007; const double eps = 1e-9; #define REP(i, n) for (ll i = 0; i < ll(n); ++i) #define REPI(i, init, n) for (ll i = init; i < ll(n); ++i) #define REPD(i, init) for (ll i = init; i >=0; --i) #define REPDI(i, init, n) for (ll i = init; i >=n; --i) #define REPE(i, c) for (const auto& i : c) using vl = vector; #define VL(a, n) vector a; a.assign(n, 0); #define VLI(a, n) vector a; a.assign(n, 0); for(auto& x : a) cin >> x; #define VSI(a, n) vector a; a.assign(n, ""); for(auto& x : a) cin >> x; using vvl = vector>; #define VVLI(a, n, m, init) vector> a(n); for(auto& x : a) x.assign(m, init); using pl = pair; struct uv { ll u; ll v; ll c; }; #define VUVI(a, n) vector a; a.assign(n, {0, 0, 1}); for(auto& x : a) {cin >> x.u >> x.v; x.u--; x.v--;} #define VUVCI(a, n) vector a; a.assign(n, {0, 0, 0}); for(auto& x : a) {cin >> x.u >> x.v >> x.c; x.u--; x.v--;} vvl to_edge(const ll n, const vector& v) { vvl ret(n); for (auto& x : v) ret[x.u].push_back(x.v); return ret; } vvl to_edge_d(const ll n, const vector& v) { vvl ret(n); for (auto& x : v) { ret[x.u].push_back(x.v); ret[x.v].push_back(x.u); } return ret; } template using pql = priority_queue; template using pqg = priority_queue, greater>; using vm = vector; using vvm = vector; const char* YES = "Yes"; const char* NO = "No"; void yn(bool f) { std::cout << (f ? YES : NO) << endl; }; template void ov(const T& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << *it; } }; template<> void ov(const vm& v) { for (auto it = v.begin(); it != v.end(); it++) { if (it != v.begin()) cout << " "; cout << it->val(); } }; const ll llhuge = 1LL << 60; //十分でかいが多少足しても溢れない数値 template bool chmin(T& a, const U& b) { a = min(a, b); return b == a; } template bool chmax(T& a, const U& b) { a = max(a, b); return b == a; } template void mysort(T& v) { std::sort(begin(v), end(v)); }; template void mysort(T& v, U pr) { std::sort(begin(v), end(v), pr); }; template void myrev(T& v) { std::reverse(begin(v), end(v)); }; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll h, w, k; cin >> h >> w >> k; //ループサイズカウント { ll ls = 0; ll mx = 1; ll my = 1; ll x = 0; ll y = 0; while (1) { ls++; ll ch = 0; if (x == 0 && mx == -1) { mx = 1; ch++; } else if (x == w - 1 && mx == 1) { mx = -1; ch++; } else { x += mx; } if (y == 0 && my == -1) { my = 1; ch++; } else if (y == h-1 && my == 1) { my = -1; ch++; } else { y += my; } if (ch >= 2) break; //xy両方反転した } ls *= 2; k = k % ls; } vector s(h); REP(i, h) REP(j, w) s[i].push_back('.'); { ll mx = 1; ll my = 1; ll x = 0; ll y = 0; REP(i, k) { if (s[y][x] == '.') { s[y][x] = '#'; } else { s[y][x] = '.'; } if (x == 0 && mx == -1) { mx = 1; } else if (x == w - 1 && mx == 1) { mx = -1; } else { x += mx; } if (y == 0 && my == -1) { my = 1; } else if (y == h-1 && my == 1) { my = -1; } else { y += my; } } } REP(i, h) { cout << s[i] << endl; } return 0; }