답안 #338855

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
338855 2020-12-24T05:09:58 Z amunduzbaev 원숭이와 사과 나무 (IZhO12_apple) C++14
0 / 100
574 ms 140012 KB
/** 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;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 131692 KB Output is correct
2 Correct 76 ms 131692 KB Output is correct
3 Correct 84 ms 131692 KB Output is correct
4 Correct 102 ms 132204 KB Output is correct
5 Correct 108 ms 132460 KB Output is correct
6 Correct 108 ms 132332 KB Output is correct
7 Correct 107 ms 132332 KB Output is correct
8 Correct 291 ms 133868 KB Output is correct
9 Correct 534 ms 134636 KB Output is correct
10 Correct 571 ms 135660 KB Output is correct
11 Correct 574 ms 136556 KB Output is correct
12 Correct 571 ms 137196 KB Output is correct
13 Incorrect 239 ms 140012 KB Output isn't correct
14 Halted 0 ms 0 KB -