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优先队列188MS~~菜鸟求指点~~#include<cstdio> #include<queue> using namespace std; struct cmp1 { bool operator()(const int a,const int b) { return a>b; } }; struct cmp2 { bool operator()(const int a,const int b) { return a<b; } }; priority_queue<int,vector<int>,cmp1>q1; priority_queue<int,vector<int>,cmp2>q2; int a[30000],u,i; int main() { int m,n,c=0,t; scanf("%d%d",&m,&n); for(i=0;i<m;i++)scanf("%d",&a[i]); for(i=0;i<n;i++){ scanf("%d",&u); while(c<u){ q1.push(a[c]); if(!q2.empty()&&q1.top()<q2.top()){ t=q1.top(); q1.pop(); q1.push(q2.top()); q2.pop(); q2.push(t); } c++; } printf("%d\n",q1.top()); q2.push(q1.top()); q1.pop(); } } Followed by:
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