#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector veci; typedef vector vecll; typedef vector vecs; template using Hash=unordered_map; #define REP(i, a, n) for(ll i = a; i < (ll)(n); i++) #define RREP(i, a, n) for(ll i = n-1; i >= (ll)(a); i--) #define rep(i, n) REP(i, 0, n) #define rrep(i, n) RREP(i, 0, n) #define MD 1000000007 #define _SPLIT " " template T read(){T a;cin >> a;return a;} template void read(T& a){cin >> a;} template void read(T& a, Args&... args){cin >> a; read(args...);} template void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}} template void write(T a){cout << setprecision(12) << a << endl;} template void write(T a, Args... args){cout << setprecision(12) << a << _SPLIT; write(args...);} template void warr(vector a, const char* c = " "){cout << a[0];for(int i = 1; i < (int)a.size(); i++)cout << c << a[i];cout << endl;;} template void warr(T a, int n, const char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;} void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}} void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}} ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}} ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;} struct Info{ Info(int c): color(c),n(1){} int color; Info* root=nullptr; unordered_set st; int n; }; int h,w; int a[200][200]; Info* p[200][200]={0}; int dx[]={1,0,-1,0}; int dy[]={0,1,0,-1}; typedef pair pai; void paint(int sx,int sy,Info* info){ queue q; q.push(pai(sx,sy)); if(info!=nullptr) p[sy][sx]=info; int at=a[sy][sx]; Info* my_info=p[sy][sx]; bool vis[200][200]={0}; while(!q.empty()){ pai tp=q.front(); q.pop(); vis[tp.second][tp.first]=true; rep(i,4){ int cx=tp.first+dx[i]; int cy=tp.second+dy[i]; if(cx<0||cx>=w||cy<0||cy>=h)continue; if(vis[cy][cx])continue; if(info!=nullptr&&at==a[cy][cx]){ p[cy][cx]=info; info->n++; q.push({cx,cy}); } if(info==nullptr){ if(at==a[cy][cx])q.push({cx,cy}); else my_info->st.insert(p[cy][cx]); } } } } Info* find_root(Info* info){ while(info->root!=nullptr){ info=info->root; } return info; } int main(void) { cin>>h>>w; rep(i,h)rep(j,w)cin>>a[i][j]; rep(i,h)rep(j,w)if(p[i][j]==nullptr)paint(j,i,new Info(a[i][j])); rep(i,h){ bool find=false; rep(j,w){ if(p[i][j]->st.size()==0)paint(j,i,nullptr); if(p[i][j]->st.size()==0){find=true;break;} } if(find)break; } int q; read(q); rep(i,q){ int y,x,c; read(y,x,c); y--;x--; Info* root=find_root(p[y][x]); if(root->color==c)continue; auto st=root->st; root->color=c; root->st.clear(); for(auto at1:st){ at1->root=root; for(auto at2:at1->st) if(at2!=root)root->st.insert(at2); } } rep(i,h){ rep(j,w)cout<<((j==0)?"":" ")<color; cout<