Hello
I found a contrast .....
Please have a look here
#include <stdio.h>
unsigned long findMaxCycleLength(unsigned long min, unsigned long max);
unsigned long findCycleLength(unsigned long n);
int main(int argc, char** argv)
{
unsigned long min, max, num = 0;
while(scanf("%li %li", &min, &max) != EOF)
{
printf("%li %li ", min, max);
if(min > max)
{
min^=max;
max^=min;
min^=max;
}
num = findMaxCycleLength(min, max);
printf("%li\n", num);
}
}
unsigned long findMaxCycleLength(unsigned long min, unsigned long max)
{
unsigned long temp, i;
* unsigned long n = findCycleLength(max);
// unsigned long n = 0 ;*
for(i = min; i < max; i++)
{
temp = findCycleLength(i);
if(temp > n)
{
n = temp;
}
}
return n;
}
unsigned long findCycleLength(unsigned long n)
{
if(n == 0) return 0;
unsigned long count = 1;
while(n != 1)
{
if(n%2 == 1)
{
n = 3*n+1;
}
else
{
n = n/2;
}
count++;
}
return count;
}
here,
When I compile it with* unsigned long n = findCycleLength(max); * it
seems ok.
But when I use *// unsigned long n = 0 ; *it gives me wrong answer.
Could you please tell me why it gives me WA if I taste it from 0 ?* int n =
0 ; is also the same problem
*
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