#include using namespace std; #define all(c) (c).begin(),(c).end() #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define REP(i,m,n) for(int i=(int)(m);i<(int)(n);i++) #define rep(i,n) REP(i,0,n) #define iter(c) __typeof((c).begin()) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) #define mem(a) memset(a,0,sizeof(a)) #define pd(a) printf("%.10f\n",a) #define pb(a) push_back(a) #define in(a) insert(a) #define pi M_PI #define R cin>> #define F first #define S second #define C class #define ll long long #define ln cout<<'\n' #define _(_1,_2,_3,N,...)N #define pr(...) _(__VA_ARGS__,pr3,pr2,pr1)(__VA_ARGS__) templatevoid pr1(T a){cout<void pr2(T a,T2 b){cout<void pr3(T a,T2 b,T3 c){cout<void PR(T a,int n){rep(i,n){if(i)cout<<' ';cout<=0&&x=0&&y P; void Main() { int n,m; cin >> n >> m; int a[n][m]; rep(i,n)rep(j,m)cin >> a[i][j]; int T; cin >> T; bool ck=0; while(T--) { int x,y,z; cin >> x >> y >> z; if(ck) { if(T==1) { rep(i,n) { rep(j,m) { if(j) cout << " "; cout << z; } ln; } } else continue; } x--,y--; if(a[x][y]==z) continue; int d[n][m]; rep(i,n)rep(j,m)d[i][j]=MAX; d[x][y]=0; a[x][y]=z; queue

que; que.push(P(x,y)); while(!que.empty()) { P p=que.front();que.pop(); int nx=p.F,ny=p.S; rep(i,4) { int xx=nx+dx[i],yy=ny+dy[i]; if(!check(n,m,xx,yy)) continue; int c=d[nx][ny]; if((z==a[xx][yy]&&c%2==0)||(z!=a[xx][yy]&&c%2==1)) c++; if(c>1||d[xx][yy]<=c) continue; d[xx][yy]=c; a[xx][yy]=z; que.push(P(xx,yy)); } } bool f=1; rep(i,n)rep(j,m){ d[i][j]=MAX; if(a[i][j]!=z) f=0; } if(f) ck=1; } rep(i,n)PR(a[i],m); } int main() { ios::sync_with_stdio(0);cin.tie(0); Main();return 0; }