CPTTRN3 - Character Patterns (Act 3)

problem link: http://www.spoj.com/problems/CPTTRN3/
#include<iostream>
void pattern(){
for(int j=0;j<4;j++){

if(j==0||j==3)
    printf("*");
    else
    printf(".");
}
}
int main()
{
   int t,k,temp;
   int l,c,i=0,j=0;
   scanf("%d",&t);
   while(t--){ 
    scanf("%d %d",&l,&c);
for(i=0;i<=(l*2);i++){
if(i%2==0){
for(j=0;j<=(c*3);j++)
printf("*");
printf("\n");
}
if(i!=(l*2)){
for(j=0;j<=(c*3);j++){
if(j%3==0)
printf("*");
else
printf(".");
}
}
printf("\n");

}

   }
return 0;}