typedef struct Link{
int elem;
struct Link * next;
}link;
typedef enum bool{
False = 0,
True = 1
}bool;
bool LinkIntersect(link * L1, link * L2){
link * p1 = L1;
link * p2 = L2;
while(p1){
while(p2){
if(p1 == p2){
return True;
}
p2 = p2 ->next;
}
p1 = p1 ->next;
}
return False;
}
bool LinkIntersect1(link *L1, link *L2){
link * p1 = L1;
link * p2 = L2;
while(p1->next){
p1 = p1 ->next;
}
while(p2->next){
p2 = p2 ->next;
}
if(p1 == p2){
return True;
}
return False;
}
bool LinkIntersect2(link * L1, link * L2){
link * plong = L1;
link * pshort = L2;
link * temp = NULL;
int num1 = 0, num2 = 0, step = 0;
while(plong){
num1++;
plong = plong -> next;
}
while(pshort){
num2++;
pshort = pshort ->next;
}
plong = L1;
pshort = L2;
step = num1 - num2;
if(num1 < num2){
plong = L2;
pshort = L1;
step = num2 = num1;
}
temp = plong;
while (step){
temp = temp -> next;
step--;
}
while(temp && pshort){
if(temp == pshort){
return True;
}
temp = temp ->next;
pshort = pshort ->next;
}
return False;
}
int main () {
return 0;
}