L2-002. 链表去重
题目链接:https://www.patest.cn/contests/gplt/L2-002
代码如下:
#include<cstdio>
#include<cstring>
#include<cstring>
#include<stack>
#include<cmath>
#define MAX_N 100000
using namespace std;
struct TYPE{
int vul,next;
};
TYPE a[MAX_N+];
int x[MAX_N+],y[MAX_N+];
bool compare[MAX_N+];
int main(void){
//freopen("in.txt","r",stdin);
int adress,n;
scanf("%d%d",&adress,&n);
for(int i=;i<n;++i){
int temp;
scanf("%d",&temp);
scanf("%d%d",&a[temp].vul,&a[temp].next);
}
int k1=,k2=;
for(int i=adress;i!=-;i=a[i].next){
int temp=abs(a[i].vul);
if(compare[temp]==false){
x[k1++]=i;
compare[temp]=true;
}else{
y[k2++]=i;
}
}
printf("%05d %d ",x[],a[x[]].vul);
for(int i=;i<k1;++i){
printf("%05d\n",x[i]);
printf("%05d %d ",x[i],a[x[i]].vul);
}
printf("-1\n");
if(k2){
printf("%05d %d ",y[],a[y[]].vul);
for(int i=;i<k2;++i){
printf("%05d\n",y[i]);
printf("%05d %d ",y[i],a[y[i]].vul);
}
printf("-1\n");
}
return ;
}