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pat1074.cpp
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#include <stdio.h>
#include <algorithm>
#include <string.h>
using namespace std;
struct Num{
char address[7];
int data;
int next;
} num[100010];
int h[100010];
int q[100010];
int last;
int ctoi(char a[]){
int tmp=0;
for(int i=0;i<5;i++){
tmp*=10;
tmp+=a[i]-'0';
}
return tmp;
}
void init(){
for(int i=0;i<100010;i++){
strcpy(num[i].address,"\000");
num[i].next=0;
num[i].data=0;
h[i]=0;
q[i]=0;
}
return;
}
void output(int k,int n,int start){
int tmp=h[start];
int next=start;
int size=0;
for(int i=0;i<n;i++){
q[size++]=tmp;
next=num[tmp].next;
if(next==-1)
break;
tmp=h[next];
}
// last=num[q[size-1]].next;
for(int i=0,t=0;i<=size;i++,t++){
if(t==k){
reverse(q+i-k,q+i);
t=0;
}
}
for(int i=0;i<size;i++){
int tmp=q[i];
int next=q[i+1];
if(i<size-1)
printf("%s %d %s\n",num[tmp].address,num[tmp].data,num[next].address);
else
printf("%s %d %d\n",num[tmp].address,num[tmp].data,-1);
}
return;
}
int main(){
int n,k;
char s[7];
while(scanf("%s%d%d",s,&n,&k)!=EOF){
init();
int start=ctoi(s);
for(int i=0;i<n;i++){
scanf("%s%d%d",num[i].address,&num[i].data,&num[i].next);
h[ctoi(num[i].address)]=i;
}
output(k,n,start);
}
return 0;
}