题目大意:有一串数,有一个长度为k的木板,求木板每次移动后覆盖的最大值
题解:单调队列
C++ Code:
#include<cstdio>
using namespace std;
const int maxn=2000100;
int n,k;
int q[maxn],s[maxn],h,t;
int main(){
scanf("%d%d",&n,&k);
scanf("%d",&s[1]);
q[h=t=1]=1;
for (int i=2;i<=n;i++){
scanf("%d",&s[i]);
if (q[h]<i-k+1)h++;
while (h<=t&&s[i]>s[q[t]])t--;
q[++t]=i;
if (i>=k)printf("%d\n",s[q[h]]);
}
return 0;
}