#include using namespace std; #define rep(i,n) for(ll i=0;i=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define ins insert #define pqueue(x) priority_queue,greater> #define all(x) (x).begin(),(x).end() #define CST(x) cout<> #define rev(x) reverse(x); using ll=long long; using vl=vector; using vvl=vector>; using pl=pair; using vpl=vector; using vvpl=vector; const ll MOD=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[9]={0,1,-1,0,1,1,-1,-1,0}; const ll dx[9]={1,0,0,-1,1,-1,1,-1,0}; template inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } struct UnionFind { vector par; vector edge; vector color; UnionFind(int n) : par(n, -1),edge(n, 0),color(n,0) {} int root(int x) { if (par[x] < 0) return x; else return par[x] = root(par[x]); } bool same(int x, int y) { return root(x) == root(y); } bool merge(int x, int y) { x = root(x); y = root(y); if (x == y) { edge[x]++; return false; } if (par[x] > par[y]) swap(x, y); par[x] += par[y]; par[y] = x; edge[x] += edge[y]+1; return true; } int size(int x) { return -par[root(x)]; } int get(int x){ return color[root(x)]; } void set(int x,int y){ color[root(x)]=y; } }; int main(){ ll h,w;cin >> h >> w; UnionFind uf(h*w); rep(i,h)rep(j,w){ ll p;cin >> p; uf.set(i*w+j,p); } vpl ps; rep(i,h)rep(j,w){ rep(k,4){ ll nx=i+dx[k],ny=j+dy[k]; if(nx<0||ny<0||nx>=h||ny>=w)continue; if(uf.get(i*w+j)==uf.get(nx*w+ny))uf.merge(i*w+j,nx*w+ny); else ps.push_back({i*w+j,nx*w+ny}); } } ll q;cin >> q; while(q--){ ll x,y,t;cin >> x >> y >> t;x--;y--; if(uf.get(x*w+y)==t)continue; uf.set(x*w+y,t); vpl nst; for(auto [a,b]:ps){ if(uf.get(a)==uf.get(b)){ uf.merge(a,b); } else nst.push_back({a,b}); } } rep(i,h){ rep(j,w){ cout << uf.get(i*w+j) <<" "; } cout << endl; } }