- #include <iostream>
- #include<cstdio>
- #include<string>
- using namespace std;
- int main()
- {
- int N,K,i,sum;
- int pageList[102]={0};
- sum=0;
- cin>>N>>K;
- if(N<7){
- for ( i = 1; i <= N; i++) {
- pageList[sum++]=i;
- }
- }
- else{
- pageList[sum++]=1;
- if(K>4)pageList[sum++]=0; //省略号
- int start_i = 2;
- int end_i = N-1;
- if(K-2>2)start_i = K-2;
- if(K+2<N)end_i = K+2;
- for(i=start_i;i<= end_i;i++){
- pageList[sum++]=i;
- }
- if(K<N-3)pageList[sum++]=0; //省略号
- pageList[sum++]=N;
- }
- for(i=0;i<sum-1;i++){
- if(pageList[i]){
- cout<<pageList[i]<<" ";
- }else cout<<"... ";
- }
- cout<<pageList[i];
- return 0;
- }
- //该片段来自于http://www.codesnippet.cn/detail/180720134675.html
来源: http://www.codesnippet.cn/detail/180720134675.html