Submission #338855

#	Time	Username	Problem	Language	Result	Execution time	Memory
338855		amunduzbaev	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	574 ms	140012 KiB

apple

/** made by amunduzbaev **/
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vll vector<ll>
#define vii vector<int>
#define vpii vector<pii>
#define vpll vector<pll>
#define cnt(a)__builtin_popcount(a)
template<class T> bool umin(T& a, const T& b) {return a > b? a = b, true:false;}
template<class T> bool umax(T& a, const T& b) {return a < b? a = b, true:false;}

const int N = 1e7+5;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
int s, n, m, k, ans;

vii tree;
bitset<N*4> ff, val;

void push(int x, int lx, int rx){
	if(lx == rx || !ff[x])return;
	int len = (rx - lx+1)/2;
	val[(x<<1)+1] = val[x];
	val[(x<<1)] = val[x];
	tree[x<<1] = val[x<<1] * len;
	tree[(x<<1)+1] = val[(x<<1)+1] * len;
	ff[x<<1] = ff[(x<<1)+1] = ff[x];
	ff[x] = 0;
	val[x] = 0;
	tree[x] = tree[x<<1] + tree[(x<<1)+1];
}

void update(int l, int r, int lx, int rx, int x){
	push(x, lx, rx);
	if(lx > r || rx < l) return;
	if(lx >= l && rx <= r){
		val[x] = 1;
		ff[x] = 1;
		tree[x] = (rx - lx + 1);
		return;
	}
	int m =(lx + rx)>>1;
	update(l, r, lx, m, x*2);
	update(l, r, m+1, rx, x*2+1);
	tree[x] = tree[x*2] + tree[x*2+1];
}

int find(int l, int r, int lx, int rx, int x){
	push(x, lx, rx);
	if(lx > r || rx < l) return 0;
	if(lx >= l && rx <= r) return tree[x];

	int m = (lx + rx)/2;
	int res = find(l, r, lx, m, x*2);
	res += find(l, r, m+1, rx, x*2+1);
	return res;
}

void solve(){
	fastios
	cin>>m;
	int c= 0;
	s = 2;
	while(s < N) s*=2;
	tree.assign(s*2, 0);
	for(int i=0;i<m;i++){
		int t;
		cin>>t;
		if(t == 1){
			int l, r;
			cin>>l>>r;
			c = find(c + l,  c + r, 1, s, 1);
			cout<<c<<endl;
		}else{
			int l, r;
			cin>>l>>r;
			update(c + l, c + r, 1, s, 1);
		}//cout<<tree[1]<<endl;
	}
	return;
}

int main(){
	fastios
	int t = 1;
	if(t) solve();
	else {
		cin>>t;
		while (t--) solve();
	}
	return 0;
}

• Subtask 1: 0 / 100