Submission #807328

# Submission time Handle Problem Language Result Execution time Memory
807328 2023-08-04T16:02:44 Z GoldLight Monkey and Apple-trees (IZhO12_apple) C++17
100 / 100
77 ms 23852 KB
#include <bits/stdc++.h>
using namespace std;
void fast(){ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);}

const int N=1e5, INF=1e9;
int cur=2, ki[50*N+1], ka[50*N+1];
bool st[50*N+1];
void upd(int ql, int qr, int l, int r, int idx){
	if(l>qr || r<ql) return;
	if(l>=ql && r<=qr){
		st[idx]=true;
		return;
	}
	int mid=(l+r)/2;
	if(ki[idx]==0) ki[idx]=cur++;
	if(ka[idx]==0) ka[idx]=cur++;
	upd(ql, qr, l, mid, ki[idx]);
	upd(ql, qr, mid+1, r, ka[idx]);
}
int query(int ql, int qr, int l, int r, int idx){
	if(l>qr || r<ql) return 0;
	if(st[idx]) return min(qr, r)-max(ql, l)+1;
	int mid=(l+r)/2, ret=0;
	if(ki[idx]!=0) ret+=query(ql, qr, l, mid, ki[idx]);
	if(ka[idx]!=0) ret+=query(ql, qr, mid+1, r, ka[idx]);
	return ret;
}
int main(){
	fast();
	int m, type, l, r, c=0; cin>>m;
	while(m--){
		cin>>type>>l>>r;
		if(type==1){
			c=query(l+c, r+c, 1, INF, 1);
			cout<<c<<'\n';
		}
		else upd(l+c, r+c, 1, INF, 1);
	}
}
/*
#define int long
const int N=1e6;
int a[N+1], st[4*N+1];
void build(int l, int r, int idx){
	if(l==r){
		st[idx]=a[l];
		return;
	}
	int mid=(l+r)/2;
	build(l, mid, 2*idx);
	build(mid+1, r, 2*idx+1);
	st[idx]=st[2*idx]+st[2*idx+1];
}
void upd(int l, int r, int idx, int k, int v){
	if(l==r){
		st[idx]+=v;
		return;
	}
	int mid=(l+r)/2;
	if(k<=mid) upd(l, mid, 2*idx, k, v);
	else upd(mid+1, r, 2*idx+1, k, v);
	st[idx]=st[2*idx]+st[2*idx+1];
}
int query(int ql, int qr, int l, int r, int idx){
	if(l>=ql && r<=qr) return st[idx];
	if(l>qr || r<ql) return 0ll;
	int mid=(l+r)/2;
	return query(ql, qr, l, mid, 2*idx)+query(ql, qr, mid+1, r, 2*idx+1);
}
signed main(){
	fast();
	int n; cin>>n;
	for(int i=1; i<=n; i++) cin>>a[i];
	build(1, n, 1);
	char type;
	int q, l, r; cin>>q;
	while(q--){
		cin>>type>>l>>r;
		if(type=='q') cout<<query(l, r, 1, n, 1)<<'\n';
		else upd(1, n, 1, l, r);
	}
}
*/
/*
const int N=5e4+5;
int a[N];
struct Node{
	int pref, suff, sum, ans;
	Node(){}
	Node(int val){
		pref=val, suff=val, sum=val, ans=val;
	}
	bool operator==(Node other) const {
		return pref==other.pref && suff==other.suff && sum==other.sum && ans==other.ans;
	}
};
Node tree[4*N];
const Node invaldi=Node(-1e9);
Node merge(Node ki, Node ka){
	if(ki==invaldi) return ka;
	if(ka==invaldi) return ki;
	Node ret=Node(0);
	ret.pref=max(ki.pref, ki.sum+ka.pref);
	ret.suff=max(ka.suff, ki.suff+ka.sum);
	ret.sum=ki.sum+ka.sum;
	ret.ans=max({ki.suff+ka.pref, ki.ans, ka.ans});
	return ret;
}
void build(int l, int r, int idx){
	if(l==r){
		tree[idx]=Node(a[l]);
		return;
	}
	int mid=(l+r)/2;
	build(l, mid, 2*idx);
	build(mid+1, r, 2*idx+1);
	tree[idx]=merge(tree[2*idx], tree[2*idx+1]);
}
void upd(int l, int r, int idx, int k, int v){
	if(l==r){
		tree[idx]=Node(v);
		return;
	}
	int mid=(l+r)/2;
	if(k<=mid) upd(l, mid, 2*idx, k, v);
	else upd(mid+1, r, 2*idx+1, k, v);
	tree[idx]=merge(tree[2*idx], tree[2*idx+1]);
}
Node query(int ql, int qr, int l, int r, int idx){
	if(l>qr || r<ql) return invaldi;
	if(l>=ql && r<=qr) return tree[idx];
	int mid=(l+r)/2;
	return merge(query(ql, qr, l, mid, 2*idx), query(ql, qr, mid+1, r, 2*idx+1));
}
int main(){
	fast();
	int n; cin>>n;
	for(int i=1; i<=n; i++) cin>>a[i];
	build(1, n, 1);
	int q, type, l, r, v; cin>>q;
	while(q--){
		cin>>l>>r;
		cout<<query(l, r, 1, n, 1).ans<<'\n';
	}
}
*/
/*
const int N=2e5, INF=2e9;
int timer=1, a[N+1], in[N+1], out[N+1], lev[N+1];
vector<vector<int>> v(N+1);
vector<pair<int,int>> val(N+1), st[4*N+1];
void dfs(int node, int p){
	in[node]=timer;
	val[timer++]={lev[node], a[node]};
	for(auto i:v[node]){
		if(i==p) continue;
		lev[i]=lev[node]+1;
		dfs(i, node);
	}
	out[node]=timer-1;
}
void build(int l, int r, int idx){
	if(l==r){
		st[idx].push_back(val[l]);
		return;
	}
	int mid=(l+r)/2;
	build(l, mid, 2*idx);
	build(mid+1, r, 2*idx+1);
	int i=0, j=0, sz1=st[2*idx].size(), sz2=st[2*idx+1].size();
	while(i<sz1 && j<sz2){
		if(st[2*idx][i]<st[2*idx+1][j]) st[idx].push_back(st[2*idx][i++]);
		else st[idx].push_back(st[2*idx+1][j++]);
	}
	while(i<sz1) st[idx].push_back(st[2*idx][i++]);
	while(j<sz2) st[idx].push_back(st[2*idx+1][j++]);
}
void build_pref(int l, int r, int idx){
	if(l==r){
		return;
	}
	int mid=(l+r)/2;
	build_pref(l, mid, 2*idx);
	build_pref(mid+1, r, 2*idx+1);
	int sz=st[idx].size();
	for(int i=1; i<sz; i++){
		st[idx][i].second=min(st[idx][i-1].second, st[idx][i].second);
	}
}
int getMin(int idx, int k){
	pair<int,int> temp={k, INF};
	int id=upper_bound(st[idx].begin(), st[idx].end(), temp)-st[idx].begin();
	id--;
	if(id==-1) return INF;
	return st[idx][id].second;
}
int query(int ql, int qr, int l, int r, int idx, int k){
	if(l>qr || r<ql) return INF;
	if(l>=ql && r<=qr){
		return getMin(idx, k);
	}
	int mid=(l+r)/2;
	return min(query(ql, qr, l, mid, 2*idx, k), query(ql, qr, mid+1, r, 2*idx+1, k));
}
int main(){
	fast();
	int n, r; cin>>n>>r;
	for(int i=1; i<=n; i++) cin>>a[i];
	for(int i=1; i<n; i++){
		int x, y; cin>>x>>y;
		v[x].push_back(y);
		v[y].push_back(x);
	}
	dfs(r, 0);
	build(1, n, 1);
	build_pref(1, n, 1);
	int ans=0, x, k, q;
	cin>>q;
	while(q--){
		cin>>x>>k;
		x=(ans+x)%n+1;
		k=(ans+k)%n;
		ans=query(in[x], out[x], 1, n, 1, lev[x]+k);
		cout<<ans<<'\n';
	}
}*/
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 4 ms 852 KB Output is correct
5 Correct 5 ms 980 KB Output is correct
6 Correct 5 ms 852 KB Output is correct
7 Correct 6 ms 980 KB Output is correct
8 Correct 37 ms 5324 KB Output is correct
9 Correct 56 ms 9336 KB Output is correct
10 Correct 60 ms 10052 KB Output is correct
11 Correct 61 ms 12452 KB Output is correct
12 Correct 61 ms 12736 KB Output is correct
13 Correct 59 ms 13600 KB Output is correct
14 Correct 67 ms 14072 KB Output is correct
15 Correct 76 ms 23336 KB Output is correct
16 Correct 73 ms 23388 KB Output is correct
17 Correct 58 ms 14332 KB Output is correct
18 Correct 67 ms 14272 KB Output is correct
19 Correct 73 ms 23852 KB Output is correct
20 Correct 77 ms 23848 KB Output is correct