poj 1338 Ugly Numbers

#include<stdio.h>
#include<string.h>
int main(){
	int i,j,k,t;
	int num[1510];
	memset(num,0,sizeof(num));
	int q2,q3,q5;
	int t2,t3,t5;
	q2=q3=q5=num[1]=1;
	for(i=2;i<=1501;i++){
		t2=num[q2]*2;
		t3=num[q3]*3;
		t5=num[q5]*5;
		if(t2<t3&&t2<t5){
		       num[i]=t2;
		       q2++;
			   }
	    else if(t3<t2&&t3<t5){
	    	  num[i]=t3;
	    	  q3++;
	    }
	    else if(t5<t2&&t5<t3){
	    	 num[i]=t5;
	    	 q5++;
	    }
	    else if(t2==t3&&t2<t5){
	    	num[i]=t2;
	    	q2++;
	    	q3++;
	    }
	    else if(t3==t5&&t3<t2){
	    	num[i]=t3;
	    	q3++;
	    	q5++;
	    }
	    else if(t2==t5&&t2<t3){
	    	num[i]=t2;
	    	q2++;
	    	q5++;
	    }
	    else{
	    	num[i]=t2;
	    	q2++;
	    	q3++;
	    	q5++;
	    }
	    
	}
	int n;
	    while(~scanf("%d",&n),n!=0)
	       printf("%d\n",num
);
	return 0;
}