View Code of Problem 99

#include<stdio.h>
#include<math.h>
#include<string.h>

int main()
{
    char s[100];
    int i;
    while(gets(s) != NULL)
    {
        if(strcmp(s,"0") == 0)
            break;
        int a[3] = {0},k = 0;
        for(i = 0;s[i];i++)
        {
            if(s[i] != ' ')
                a[k] = a[k]*10 + s[i]-'0';
            else
                k++;
        }
        if(a[1] == 0)
        {
            for(i = 1;i <= a[0];i++)
                printf("%d%c",i,i==a[0]?'\n':' ');
        }
        else
        {
            if(a[0] > a[1])
            {
                for(i = a[0];i >= a[1];i = i - a[2] - 1)
                {
                    if(i == a[0])
                        printf("%d",i);
                    else
                        printf(" %d",i);
                }
                putchar(10);
            }
            else
            {
                for(i = a[0];i <= a[1];i+=a[2]+1)
                {
                    if(i == a[0])
                        printf("%d",i);
                    else
                        printf(" %d",i);
                }
                putchar(10);
            }
        }
    }
    return 0;
}