#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
int h[100010][2],l[100010][2],n,m,q,a1,a2,a3;
int main(){
	freopen("AABA.in","r",stdin);
	freopen("AABA.out","w",stdout);
	scanf("%d%d%d",&n,&m,&q);
	for(int i=1;i<=q;i++){
		scanf("%d%d%d",&a1,&a2,&a3);
		if(a1==1)h[a2][0]=a3,h[a2][1]=i;
		else l[a2][0]=a3,l[a2][1]=i;
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(h[i][1]>=l[j][1])printf("%d ",h[i][0]);
			else printf("%d ",l[j][0]);
		}
		printf("\n");
	}
	return 0;
}