Discussion @ 1104. Don’t Ask Woman about Her Age @ Timus Online Judge

Why do i get WA?

Posted by Alexandru Mosoi 25 Jan 2002 20:41

#include <stdio.h>

#define max(a, b) ((a) > (b) ? (a) : (b))

int main(void)
{
    long int v = 0;
    long int k = 0;
    int finish = 0;

    while(!finish)
    {
    int ch = fgetc(stdin);
    if(ch != EOF)
    {
        if('0' <= ch && ch <= '9') ch = ch - 48;
        else if('A' <= ch && ch <= 'Z') ch = ch - 55;
        else ch = -1;

        if(ch != -1)
        {
        v = v + ch;
        if(ch > k) k = ch;
        } else finish = 1;

    } else finish = 1;
    }

    if(k == 0)
    {
        printf("No solution.\n");
        return 0;
    }

    for(; k < 36; k ++)
    if(v % k == 0)
    {
        printf("%ld\n", k + 1);
        return 0;
    }

    printf("No solution.\n");
    return 0;
}

This is my program. If you can find me an example that my program
won't run corectly please let me know. Thanks.

Now you'll get AC :) (+)

Posted by Miguel Angel 26 Jan 2002 01:54

Just a little change that you don't take in account. Luck!

#include <stdio.h>

#define max(a, b) ((a) > (b) ? (a) : (b))

int main(void)
{
     long int v = 0;
     long int k = 1;
     int finish = 0;

     while(!finish)
     {
    int ch = fgetc(stdin);
    if(ch != EOF)
    {
         if('0' <= ch && ch <= '9') ch = ch - 48;
         else if('A' <= ch && ch <= 'Z') ch = ch - 55;
         else ch = -1;

         if(ch != -1)
         {
        v = v + ch;
        if(ch > k) k = ch;
         } else finish = 1;

    } else finish = 1;
     }

     for(; k < 36; k ++)
    if(v % k == 0)
    {
        printf("%ld\n", k + 1);
         return 0;
    }

    printf("No solution.\n");
     return 0;
}

Re: Now you'll get AC :) (+)

Posted by Alexandru Mosoi 26 Jan 2002 16:26

Thanks. I've got AC. But why should k be 1?

Your program failed with a n = 0, it returns "no solution"(-)

Posted by Miguel Angel 27 Jan 2002 02:59

> #include <stdio.h>
>
> #define max(a, b) ((a) > (b) ? (a) : (b))
>
> int main(void)
> {
>     long int v = 0;
>     long int k = 0;
>     int finish = 0;
>
>     while(!finish)
>     {
>     int ch = fgetc(stdin);
>     if(ch != EOF)
>     {
>         if('0' <= ch && ch <= '9') ch = ch - 48;
>         else if('A' <= ch && ch <= 'Z') ch = ch - 55;
>         else ch = -1;
>
>         if(ch != -1)
>         {
>         v = v + ch;
>         if(ch > k) k = ch;
>         } else finish = 1;
>
>     } else finish = 1;
>     }
>
>     if(k == 0)
>     {
>         printf("No solution.\n");
>         return 0;
>     }
>
>     for(; k < 36; k ++)
>     if(v % k == 0)
>     {
>         printf("%ld\n", k + 1);
>         return 0;
>     }
>
>     printf("No solution.\n");
>     return 0;
> }
>
> This is my program. If you can find me an example that my program
> won't run corectly please let me know. Thanks.

Discussion of Problem 1104. Don’t Ask Woman about Her Age