Submission #1156422

#TimeUsernameProblemLanguageResultExecution timeMemory
1156422SyedSohaib_123Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)C++20
64 / 100
3106 ms255980 KiB
#include <bits/stdc++.h>

using namespace std;

#define append push_back
// #define int long long

const int N=1e6+10,LG=21;
int mod=998244353;

int a[N],b[N],tree[N<<2],mn[N<<2],mx[N<<2],n,most,mxx;
vector<int>seg[N<<2];
vector<int>v;

void build(int l=1,int r=n,int s=1){
    if(l==r){
        tree[s]=0;
        mn[s]=mx[s]=a[l];
        seg[s]={a[l]};
        return;
    }
    int m=(l+r)>>1;
    build(l,m,s*2);
    build(m+1,r,s*2+1);
    mn[s]=min(mn[s*2],mn[s*2+1]);
    mx[s]=max(mx[s*2],mx[s*2+1]);
    tree[s]=max({tree[s*2],tree[s*2+1]});
    if(mx[s*2]>mn[s*2+1]) tree[s]=max(mx[s*2]+*(--lower_bound(seg[s*2+1].begin(),seg[s*2+1].end(),mx[s*2])),tree[s]);
    seg[s]=seg[s*2];
    for(auto i:seg[s*2+1]) seg[s].append(i);
    sort(seg[s].begin(),seg[s].end());
}
void get(int a,int b,int l=1,int r=n,int s=1){
    if(r<a or l>b) return;
    if(a<=l and r<=b){
        most=max(most,tree[s]);
        if(mxx>seg[s][0]) most=max(most,mxx+*(--lower_bound(seg[s].begin(),seg[s].end(),mxx)));
        mxx=max(mxx,mx[s]);
        return;
    }
    int m=(l+r)>>1;
    get(a,b,l,m,s*2);
    get(a,b,m+1,r,s*2+1);
}

void solve(int tst){
    int m;
    cin>>n>>m;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    build();
    while(m--){
        int a,b,c;
        cin>>a>>b>>c;
        most=mxx=0;
        get(a,b);
        cout<<(most<=c)<<endl;
    }
}

signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    // cin >> t;
    for(int i=1;i<=t;i++){
        solve(i);
        // if(i!=t) cout<<endl;
    }
}
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