Friday 8 July 2016

print the pattern 3 4 33 34 43 44 333 334..

#include<stdio.h>
int main(){
int n,k=1,a[10000],i;
a[0]=3,a[1]=4;
scanf("%d",&n);
for(i=0;i<n;i++){
a[++k]=(a[i]*10)+3;
a[++k]=(a[i]*10)+4;
}
printf("%d",a[n-1]);
return 0;
}

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