URI 1146 (Growing Sequences) Solution in C

 

#include<stdio.h>
int main()
{
    int x,y;
    while(1)
    {
        scanf("%d",&x);
        if(x==0) break;
        else
        {
            for(y=1; y<x; y++)
                printf("%d ",y);
        }
        printf("%d\n",x);
    }
    return 0;
}