Submission #381823

# Submission time Handle Problem Language Result Execution time Memory
381823 2021-03-26T02:32:15 Z Fireball0424 Monkey and Apple-trees (IZhO12_apple) C++14
0 / 100
422 ms 262148 KB
#include <bits/stdc++.h>
#define int long long
using namespace std;

struct Seg{
	int l, r, mid, len, lz = 0, sum = 0;
	Seg *ch[2] = {nullptr, nullptr};
	Seg(int lc, int rc) : l(lc), r(rc), mid((lc + rc) >> 1), len(rc - lc + 1){}
	void pull(){
		sum = (ch[0] ? ch[0] -> sum : 0) + (ch[1] ? ch[1] -> sum : 0);
	}
	void push(){
		if(lz == 0) return;
		if(!ch[0]) ch[0] = new Seg(l, mid);
		if(!ch[1]) ch[1] = new Seg(mid + 1, r);
		for(int i : {0, 1}){
			ch[i] -> lz = 1;
			ch[i] -> sum = ch[i] -> len;
		}
		lz = 0;
	}
	void add(int lc, int rc){
		if(lc <= l && r <= rc){
			sum = len;
			lz = 1;
			return;
		}
		push();
		if(rc <= mid){
			if(!ch[0]) ch[0] = new Seg(l, mid);
			ch[0] -> add(lc, rc);
		}
		else if(lc > mid){
			if(!ch[1]) ch[1] = new Seg(mid + 1, r);
			ch[1] -> add(lc, rc);
		}
		else{
			if(!ch[0]) ch[0] = new Seg(l, mid);
			if(!ch[1]) ch[1] = new Seg(mid + 1, r);
			ch[0] -> add(lc, mid);
			ch[1] -> add(mid + 1, rc);
		}
		pull();
 	}
 	int query(int lc, int rc){
 		if(lc <= l && r <= rc) return sum;
 		push();
 		if(rc <= mid) return (ch[0] ? ch[0] -> query(lc, rc) : 0);
 		else if(lc > mid) return (ch[1] ? ch[1] -> query(lc, rc) : 0);
 		return (ch[0] ? ch[0] -> query(lc, mid) : 0) + (ch[1] ? ch[1] -> query(mid + 1, rc) : 0);
 	}
};

void solve(){
	int n, last = 0;
	cin >> n;
	Seg seg(1, 1e9);
	while(n--){
		int t, x, y;
		cin >> t >> x >> y;
		if(t == 1){
			last = seg.query(x + last, y + last);
			cout << last << '\n';
		}
		else seg.add(x + last, y + last);
	}
}

main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	//freopen("f.in", "r", stdin);
	//freopen("f.out", "w", stdout);
	int t = 1;
	//cin >> t;
	while(t--) solve();
}

Compilation message

apple.cpp:69:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | main(){
      |      ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 16 ms 8044 KB Output is correct
5 Correct 20 ms 9708 KB Output is correct
6 Correct 19 ms 9452 KB Output is correct
7 Correct 20 ms 9708 KB Output is correct
8 Correct 162 ms 73452 KB Output is correct
9 Correct 328 ms 127340 KB Output is correct
10 Correct 345 ms 140780 KB Output is correct
11 Correct 364 ms 151148 KB Output is correct
12 Correct 365 ms 156012 KB Output is correct
13 Correct 327 ms 181484 KB Output is correct
14 Correct 332 ms 183276 KB Output is correct
15 Runtime error 422 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -