为什么我全是RE!!!求助!!!

include<bits/stdc++.h>
using namespace std;
const int N=2e6+5;
int a[N],mmin[N][25];
int n,m,l,r;
int v;
void rmq() {
    for(int j=1;j<=20;j++) {
        for(int i=1;i<=n;i++) {
            if(i+(1<<j)-1<=n) {
                mmin[i][j]=min(mmin[i][j-1],mmin[i+(1<<(j-1))][j-1]);
            }
        }
    }
}
int checkmmin(int ll,int rr) {
    int x=log(rr-ll+1)/log(2);
    return (min(mmin[ll][x],mmin[rr+1-(1<<x)][x]));
}
int main() {
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++) {
        scanf("%d",&v);
        a[i]=v;
        mmin[i][0]=v;
    }
    rmq();
    for(int i=1;i<=n;i++) {
        printf("%d\n",checkmmin(max(1,i-m),i-1));
    }
    return 0;
}