rt

#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll n, m, i, j, k, ci, t, q, xx, yy, p;
struct bb{
	ll shu, id;
}x[11000], y[11000];
int main(){
	scanf("%lld", &t);
	while(t--){
		scanf("%lld%lld%lld", &n, &m, &q);
		for(i=1; i<=n; i++){
			x[i].shu = 0;
			x[i].id = 0;
		}
		for(i=1; i<=m; i++){
			y[i].shu = 0;
			y[i].id = 0;
		}
		for(i=1; i<=q; i++){
			scanf("%lld%lld%lld", &p, &xx, &yy);
			if(p == 0){
				x[xx].shu = yy;
				x[xx].id = i;
			}
			else{
				y[xx].shu = yy;
				y[xx].id = i;
			}
		}
		for(i=1; i<=n; i++){
			for(j=1; j<=m; j++){
				if(x[i].id >= y[j].id){
					printf("%lld ", x[i].shu);
				}
				else{
					printf("%lld ", y[j].shu);
				}
			}
			printf("\n");
		}
	}
	return 0;
}

90分