求调10pts

#include<bits/stdc++.h>

using namespace std;
#define int long long
inline int read(){
	int ret=0,f=1;
	char c=getchar();
	for(;c<'0'||c>'9';c=getchar()) if(c=='-') f=-f;
	for(;c>='0'&&c<='9';c=getchar()) ret=ret*10+c-'0';
	return ret*f;
}
const int maxn=1e6+55;
struct draw{
	int col,time;
}l[maxn],r[maxn];

int T;

signed main(void){
	
	T=read();
	
	while(T--){
		memset(l,0,sizeof(l));
		memset(r,0,sizeof(r));
		int n,m,q;
		n=read();m=read();q=read();
		for(int i=1;i<=q;i++){
			int opt,x,c;
			opt=read();x=read();c=read();
			if(opt==0){
				l[x].col=c;
				l[x].time=i;
			} else {
				r[x].col=c;
				r[x].time=i;
			}
		}
		
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				if(l[i].time>r[j].time){
					printf("%lld ",l[i].col);
				} else {
					printf("%lld ",r[i].col);
				}
			}
			printf("\n");
		}
		
	}
	
	return 0;
}