PAT 1074. Reversing Linked List
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题目链接
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#include<stdio.h>#include<math.h>#include<algorithm>#include<stdlib.h>#include<iostream>using namespace std;int llist[100010];int node[100010][2];int main(){ int st,num,r; scanf("%d %d %d",&st,&num,&r); int address,data,next,i; for(i=0;i<num;i++) { scanf("%d %d %d",&address,&data,&next); node[address][0]=data; node[address][1]=next; } int m=0,n=st; while(n!=-1) { llist[m++]=n; n=node[n][1]; } i=0; while(i+r<=m) { reverse(llist+i,llist+i+r); i=i+r; } for (i = 0; i < m-1; i++) { printf("%05d %d %05d\n", llist[i], node[llist[i]][0], llist[i+1]); } printf("%05d %d -1\n", llist[i], node[llist[i]][0]); return 0;}
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