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#include<cstdio>#include<queue>using namespace std;queue<int> q[4];int main(){int n,m;scanf("%d%d",&n,&m);int i = 1;for(;i <= 2*n && i <= m;++i)q[i&1].push(i);for(;i<=4*n && i<= m;++i)q[(i&1) + 2].push(i);while(!q[0].empty() || !q[1].empty()||!q[3].empty()||!q[2].empty()){if(!q[3].empty()){printf("%d ",q[3].front());q[3].pop();}if(!q[1].empty()){printf("%d ",q[1].front());q[1].pop();}if(!q[2].empty()){printf("%d ",q[2].front());q[2].pop();}if(!q[0].empty()){printf("%d ",q[0].front());q[0].pop();}}return 0;}
[2016-04-09][codeforces][660][B][Seating On Bus]
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原文地址:http://www.cnblogs.com/qhy285571052/p/716d5f4936cdf2c8769e440f3f15d419.html