답안 #915803

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915803 2024-01-24T17:49:39 Z Nonoze 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
2000 ms 262144 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

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

using namespace std;
using namespace __gnu_pbds;

typedef
tree<
  int,
  null_type,
  less<int>,
  rb_tree_tag,
  tree_order_statistics_node_update>
ordered_set;

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

vector<node> st(100000*64);
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=1e9;
	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)1e9, a, b)) << endl;
		} else {
			update(0, 1, (int)1e9, 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 37 ms 150608 KB Output is correct
2 Correct 37 ms 150616 KB Output is correct
3 Correct 38 ms 150620 KB Output is correct
4 Correct 50 ms 150612 KB Output is correct
5 Correct 56 ms 150772 KB Output is correct
6 Correct 53 ms 150612 KB Output is correct
7 Correct 54 ms 150612 KB Output is correct
8 Correct 156 ms 151012 KB Output is correct
9 Correct 284 ms 151120 KB Output is correct
10 Correct 294 ms 151124 KB Output is correct
11 Correct 291 ms 151120 KB Output is correct
12 Correct 287 ms 151120 KB Output is correct
13 Correct 257 ms 151064 KB Output is correct
14 Correct 256 ms 151120 KB Output is correct
15 Execution timed out 2534 ms 262144 KB Time limit exceeded
16 Halted 0 ms 0 KB -