Submission #997278

# Submission time Handle Problem Language Result Execution time Memory
997278 2024-06-12T01:20:33 Z JuanJL Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
167 ms 224080 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 

#define fst first 
#define snd second
#define pb push_back
#define forn(i,a,b) for(int i = a; i < b; i++)
#define ALL(x) x.begin(),x.end()
#define SZ(x) (int)x.size()
#define mset(a,v) memset((a),(v),sizeof(a))
#define FIN ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define dbg(v) cout<<"Line("<<__LINE__<<"): "<<#v<<" = "<<v<<'\n';
#define pi pair<int,int>
#define pll pair<ll,ll>
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> indexed_multiset;

struct Node{
	ll val, l,r;
	Node(){ val=0;  l = r = -1; }
};

struct STree { // example: range sum with range addition
	int indice = 2;
	vector<Node> st;
	vector<int> lazy;int n;
	int M;
	STree(int n, int m): M(m), st(4*n+5,Node()), lazy(4*n+5,0), n(n) {}

	void push(int k, int s, int e){
		if(!lazy[k])return; // if neutral, nothing to do
		st[k].val=(e-s)*lazy[k]; // update st according to lazy
		//cout<<"("<<st[k].val<<") "<<s<<" <-> "<<e<<" -- "<<k<<'\n';
		if(s+1<e){ // propagate to children
			if(st[k].l==-1){ st[k].l=indice; indice+=1; }
			if(st[k].r==-1){ st[k].r=indice; indice+=1; }
			lazy[st[k].l]=lazy[k];
			lazy[st[k].r]=lazy[k];
		}
		lazy[k]=0; // clear node lazy
	}
	void upd(int k, int s, int e, int a, int b, int v){
		push(k,s,e);
		if(s>=b||e<=a)return;
		if(s>=a&&e<=b){
			//cout<<s<<" <-> "<<e<<'\n';
			lazy[k]=v; // accumulate lazy
			push(k,s,e);return;
		}
		int m=(s+e)/2;
		if(st[k].l==-1){ st[k].l=indice; indice+=1; }
		if(st[k].r==-1){ st[k].r=indice; indice+=1;}
		upd(st[k].l,s,m,a,b,v);upd(st[k].r,m,e,a,b,v);
		st[k].val=st[st[k].l].val+st[st[k].r].val; // operation
	}
	int query(int k, int s, int e, int a, int b){
		if(s>=b||e<=a)return 0; // operation neutral
		push(k,s,e);
		//cout<<k<<" -> "<<s<<" <-> "<<e<<'\n';
		if(s>=a&&e<=b)return st[k].val;
		int m=(s+e)/2;
		if(st[k].l==-1){ st[k].l=indice; indice+=1; }
		if(st[k].r==-1){ st[k].r=indice; indice+=1; }
		return query(st[k].l,s,m,a,b)+query(st[k].r,m,e,a,b); // operation
	}
	
	void upd(int a, int b, int v){upd(1,0,M,a,b,v);}
	int query(int a, int b){return query(1,0,M,a,b);}
};

int main(){FIN;
	ll m; cin>>m;
	ll t,c,pC; c=0;
	ll l,r;
	STree stree(1000000+5,1000000000+5);
	
	while(m--){
		cin>>t>>l>>r;
		
		/*if(c+r+1>=1000000+2){
			while(true){}
		}*/
		
		if(t==2){
			stree.upd(c+l,c+r+1,1);
		}else{
			//cout<<"QUERY\n";
			pC=stree.query(l+c,r+c+1);
			cout<<pC<<'\n';
			c=pC;
		}
	}
	return 0;
}

Compilation message

apple.cpp: In constructor 'STree::STree(int, int)':
apple.cpp:31:6: warning: 'STree::M' will be initialized after [-Wreorder]
   31 |  int M;
      |      ^
apple.cpp:29:15: warning:   'std::vector<Node> STree::st' [-Wreorder]
   29 |  vector<Node> st;
      |               ^~
apple.cpp:32:2: warning:   when initialized here [-Wreorder]
   32 |  STree(int n, int m): M(m), st(4*n+5,Node()), lazy(4*n+5,0), n(n) {}
      |  ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 13 ms 109916 KB Output is correct
2 Correct 14 ms 110040 KB Output is correct
3 Correct 13 ms 110020 KB Output is correct
4 Correct 20 ms 109936 KB Output is correct
5 Correct 24 ms 109912 KB Output is correct
6 Correct 23 ms 109916 KB Output is correct
7 Correct 22 ms 109912 KB Output is correct
8 Correct 70 ms 110164 KB Output is correct
9 Correct 147 ms 111952 KB Output is correct
10 Correct 151 ms 112144 KB Output is correct
11 Correct 159 ms 112212 KB Output is correct
12 Correct 149 ms 112096 KB Output is correct
13 Correct 133 ms 112468 KB Output is correct
14 Correct 136 ms 112464 KB Output is correct
15 Runtime error 167 ms 224080 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -