Submission #498420

#	Time	Username	Problem	Language	Result	Execution time	Memory
498420		Mr_Husanboy	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3068 ms	173512 KiB

sortbooks

// Muallif: Mansuraliyev Husanboy Murotali o'g'li  >> NamPS

#include<bits/stdc++.h>

using namespace std;
typedef long long ll;
#define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
const double PI=3.1415926535897932384626433832795;
// 0-9 >> 48-57;    A-Z>>65-90   and   a-z>>97-122 respectively;

const int N=1e6+1;

ll tree[N*2], a[N]; map<int,ll> mp;
int n;

void build(int x,int l, int r){
	if(l==r){
		tree[x]=a[l];return;
	}
	int m=(l+r)/2;
	build(x*2,l,m); build(x*2+1,m+1,r);
	tree[x]=max(tree[x*2],tree[x*2+1]);return;
}

ll get(int x, int l, int r, int ll, int rr){
	if(ll>r||rr<l){
		return 0;
	}
	if(l>=ll&&r<=rr){
		return tree[x];
	}
	if(l>rr||r<ll){
		return 1000000001;
	}
	int m=(l+r)/2;
	return max(get(x*2,l,m,ll,rr),get(x*2+1,m+1,r,ll,rr));
}

void solve(){
	int l,r;ll k; cin>>l>>r>>k;
	while(l<r){
		ll ans=get(1,1,n,l,r);//cout<<get(1,1,n,l,r)<<"gh ";
		if(mp[ans]!=r){
			if(get(1,1,n,mp[ans]+1,r)+ans>k){
				cout<<"0\n"; //cout<<get(1,1,n,mp[ans]+1,r)<<"ld ";
				return ;
			}
		}r--;
	}
	cout<<"1\n";
}

int main(){
	int m; cin>>n>>m;
	for(int i=1;i<=n;i++) cin>>a[i],mp[a[i]]=i;
	build(1,1,n);
	/*for(int i=1;i<=2*n;i++){
		cout<<i<<": "<<tree[i]<<"\n";
	}*/
	while(m--){
		solve();
	}
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23