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#include <stdio.h>
#include <stdlib.h>
static unsigned int rand_seed = 0;
static unsigned int rand_next = 0;
int abs(int x)
{
if(x<0)return -x;
return x;
}
void srand(unsigned int seed)
{
rand_seed = seed;
}
int rand()
{
rand_next = (rand_next ^ 0x98765432)*0x1357;
return rand_next % RAND_MAX;
}
static char *__ulltoa_internal__(unsigned long long value, char *str, int base, int minus_sign,
unsigned long long maxp )
{
unsigned long long p;
unsigned long long p3;
int c;
int a;
p = 1;
do
{
p3 = p;
p *= base;
if(maxp && p > maxp)
break;
}while((p >= p3) && !(p % p3));
if(minus_sign)
*(str++) = '-';
for(a = 0;p3 > 0;p3/=base)
{
c = value / p3;
value %= p3;
if(c)
a = 1;
if(a)
{
if(c <= 9)
c += '0';
else
c = (c - 10) + 'A';
*(str++) = c;
}
}
*str = '\0';
return str;
}
char *ulltoa(unsigned long long value, char *str, int base)
{
return __ulltoa_internal__(value, str, base, 0, 0);
}
char *ultoa(unsigned long value, char *str, int base)
{
return __ulltoa_internal__(value, str, base, 0, (sizeof(long)==8)?0:0xFFFFFFFF);
}
char *utoa(unsigned int value, char *str, int base)
{
return __ulltoa_internal__(value, str, base, 0, 0xFFFFFFFF);
}
char *lltoa(long long value, char *str, int base)
{
return __ulltoa_internal__((value<0)?-value:value, str, base, value<0, 0);
}
char *ltoa(long value, char *str, int base)
{
return __ulltoa_internal__((value<0)?-value:value, str, base, value<0, (sizeof(long)==8)?0:0xFFFFFFFF);
}
char *itoa(int value, char *str, int base)
{
return __ulltoa_internal__((value<0)?-value:value, str, base, value<0, 0xFFFFFFFF);
}
void abort(void)
{
printf("abort(): Abnormal program termination\n");
exit(1);
}
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