문제 문제를 풀면 1포인트를 준다. $ ls -l total 20 -r--r----- 1 random_pwn root 49 Jun 30 2014 flag -r-sr-x--- 1 random_pwn random 8538 Jun 30 2014 random -rw-r--r-- 1 root root 301 Jun 30 2014 random.c #include <stdio.h> int main(){ unsigned int random; random = rand(); // random value! unsigned int key=0; scanf("%d", &key); if( (key ^ random) ==
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