답안 #915819

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915819 2024-01-24T18:27:56 Z Nonoze 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
311 ms 132760 KB
#include <bits/stdc++.h>

//#define int long long
#define sz(x) (int)(x.size())
#define debug(x) cerr << (#x) << ": " << (x) << endl

using namespace std;

struct node
{
	int left, right;
	int sum, lazy;
	int l, r;
	node() {
		sum=0, lazy=-1, left=-1, right=-1;
	}
};

vector<node> st(100000*56);
int cnt=1;

void propagate(int root, int l, int r) {
	if (st[root].lazy!=-1) {
		st[root].sum=(r-l+1)*st[root].lazy;
		if (l!=r)
		{
			int mid=(l+r)/2;
			if (st[root].left==-1) {
				st[root].left = cnt++;
				st[ st[root].left ].l=l, st[ st[root].left ].r=mid;
			}
			if (st[root].right==-1) {
				st[root].right = cnt++;
				st[ st[root].right ].l=mid+1, st[ st[root].right ].r=r;
			}
			st[ st[root].left ].lazy=st[root].lazy;
			st[ st[root].right ].lazy=st[root].lazy;
		}
		st[root].lazy=-1;
	}
}

int query(int root, int left, int right, int qLeft, int qRight)
{
	propagate(root, left, right);
	if (left>qRight || right<qLeft) return 0;
	if (left>=qLeft && right<=qRight) return st[root].sum;
	int mid=(left+right)/2;
	int s1=0, s2=0;
	if (st[root].left!=-1) s1=query(st[root].left, left, mid, qLeft, qRight);
	if (st[root].right!=-1) s2=query(st[root].right, mid+1, right, qLeft, qRight);
	return s1+s2;
}

void update(int root, int left, int right, int qLeft, int qRight, int nValue)
{
	propagate(root, left, right);
	if (left>qRight || right<qLeft) return;
	if (left>=qLeft && right<=qRight) {
		st[root].lazy=nValue;
		propagate(root, left, right);
		return;
	}
	int mid=(left+right)/2;
	if (st[root].left==-1) {
		st[root].left = cnt++;
		st[ st[root].left ].l=left, st[ st[root].left ].r=mid;
	}
	if (st[root].right==-1) {
		st[root].right = cnt++;
		st[ st[root].right ].l=mid+1, st[ st[root].right ].r=right;
	}
	propagate(st[root].left, left, mid), propagate(st[root].right, mid+1, right);
	if (mid>=qLeft) update(st[root].left, left, mid, qLeft, qRight, nValue);
	if (mid+1<=qRight) update(st[root].right, mid+1, right, qLeft, qRight, nValue);
	st[root].sum=st[ st[root].left ].sum + st[ st[root].right ].sum;
	return;
}

int n;

void solve() {
	st[0].l=1, st[0].r=5e8;
	int q; cin >> q;
	int c=0;
	while (q--) {
		int type; cin >> type;
		int a, b; cin >> a >> b;
		a+=c, b+=c;
		if (type==1) {
			cout << (c=query(0, 1, (int)5e8, a, b)) << endl;
		} else {
			update(0, 1, (int)5e8, a, b, 1);
		}
	}
	return;
}


signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int tt=1;// cin >> tt;
	while(tt--) solve();
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 131920 KB Output is correct
2 Correct 28 ms 131732 KB Output is correct
3 Correct 27 ms 131932 KB Output is correct
4 Correct 40 ms 131920 KB Output is correct
5 Correct 45 ms 131932 KB Output is correct
6 Correct 42 ms 131932 KB Output is correct
7 Correct 44 ms 131928 KB Output is correct
8 Correct 128 ms 132004 KB Output is correct
9 Correct 270 ms 132760 KB Output is correct
10 Correct 305 ms 132176 KB Output is correct
11 Correct 278 ms 132176 KB Output is correct
12 Correct 311 ms 132244 KB Output is correct
13 Incorrect 182 ms 132436 KB Output isn't correct
14 Halted 0 ms 0 KB -