maybe u can give me some advice, i have this C code
#include<stdio.h>
#include<stdlib.h>
main(void)
{
int plus_cnt = 0;
int minus_cnt = 0;
int median = RAND_MAX/2;
int i, r = 0;
for(i=0; i < 500; i++)
{
r = rand( );
if (r > median)
++minus_cnt;
else
++plus_cnt;
printf( "%4d", plus_cnt - minus_cnt);
}
}
the above will run, but when i change it to while, nothing happens
#include<stdio.h>
#include<stdlib.h>
main(void)
{
int plus_cnt = 0;
int minus_cnt = 0;
int median = RAND_MAX/2;
int i, n, r = 0;
while (i++ < n)
{
r = rand( );
if (i == (n-1))
++minus_cnt;
else
++plus_cnt;
printf( "%4d", rand( ));
}
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