Submission #539345

# Submission time Handle Problem Language Result Execution time Memory
539345 2022-03-18T18:11:49 Z 1ne Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
17 / 100
449 ms 262144 KB
#include<bits/stdc++.h>
using namespace std;
vector<int64_t>extra;
void combine(vector<int64_t>tree1,vector<int64_t>tree2,int64_t node){
	/*for (auto x:tree1){
		cout<<x<<" ";
	}
	cout<<"     - > ";
	for (auto x:tree2){
		cout<<x<<" ";
	}
	cout<<'\n';
	*/
	extra[node] = max(extra[node*2],extra[node*2 + 1]);
	auto right = lower_bound(tree2.begin(),tree2.end(),tree1.back()) - tree2.begin();
	while(right>=0){
		if (tree2[right]>=tree1.back() || right>=(int)tree2.size()){
			--right;
		}
		else break;
	}
	if (right>=0){
		extra[node] = max(extra[node],tree1.back() + tree2[right]);
	}
	// if there is a element in right segment which is less than left maximum
}
void build(vector<vector<int64_t>>&tree,vector<int64_t>&arr,int64_t node,int64_t node_low,int64_t node_high){
    if (node_low==node_high){
        tree[node].push_back(arr[node_low]);
    }
    else {
        int64_t mid  =(node_low+node_high)>>1;
        build(tree,arr,node*2,node_low,mid);
        build(tree,arr,node*2 + 1,mid+1,node_high);
        combine(tree[2*node],tree[node*2 + 1],node);
        merge(tree[2*node].begin(),tree[2*node].end(),tree[2*node + 1].begin(),tree[2*node + 1].end(),back_inserter(tree[node]));    
    }  
}
int64_t curans = 0;
int64_t maxxy = 0;
void query(vector<vector<int64_t>>&tree,int64_t node,int64_t node_low,int64_t node_high,int64_t query_low,int64_t query_high){
    if (node_low>node_high||query_high<node_low||query_low>node_high)return ;
    if (query_low<=node_low&&query_high>=node_high){
    	curans = max(curans,extra[node]);
    	auto right = lower_bound(tree[node].begin(),tree[node].end(),maxxy) - tree[node].begin();
		while(right>=0){
			if (tree[node][right]>=maxxy || right>=(int)tree[node].size()){
				--right;
			}
			else break;
		}
		if (right>=0){
			curans = max(curans,maxxy + tree[node][right]);
		}
	    maxxy = max(maxxy,tree[node].back());
	    return ;
    }
    int64_t mid = (node_low+node_high)>>1;
   	query(tree,node*2,node_low,mid,query_low,query_high);
   	query(tree,node*2 + 1,mid+1,node_high,query_low,query_high);
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int64_t n,m;cin>>n>>m;
vector<int64_t>arr(n);
for (int64_t i = 0;i<n;++i){
	cin>>arr[i];
}
vector<vector<int64_t>>tree(3*n);
extra.resize(3*n,0);
build(tree,arr,1,0,n-1);
for (int64_t i = 0;i<m;++i){
	int64_t l,r,k;cin>>l>>r>>k;
	--l,--r;
	curans = 0;
	maxxy = 0;
	query(tree,1,0,n-1,l,r);
	//cout<<curans<<" "<<maxxy<<'\n';
	if (curans>k){
		cout<<0<<'\n';
	}
	else cout<<1<<'\n';
}
return 0;}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 449 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 232 ms 31664 KB Output is correct
2 Correct 178 ms 31588 KB Output is correct
3 Correct 187 ms 31692 KB Output is correct
4 Correct 189 ms 31592 KB Output is correct
5 Correct 189 ms 31656 KB Output is correct
6 Correct 135 ms 31616 KB Output is correct
7 Correct 138 ms 31584 KB Output is correct
8 Correct 154 ms 31600 KB Output is correct
9 Correct 38 ms 576 KB Output is correct
10 Correct 154 ms 31692 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 468 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -