답안 #538284

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
538284	2022-03-16T13:32:23 Z	fcw	원숭이와 사과 나무 (IZhO12_apple)	C++17	0 / 100	1 ms	320 KB

apple

#include <bits/stdc++.h>
#define st first
#define nd second
using lint = int64_t;
constexpr int mod = int(1e9) + 7;
constexpr int inf = 0x3f3f3f3f;
constexpr int ninf = 0xcfcfcfcf;
constexpr lint linf = 0x3f3f3f3f3f3f3f3f;
const long double pi = acosl(-1.0);
// Returns -1 if a < b, 0 if a = b and 1 if a > b.
int cmp_double(double a, double b = 0, double eps = 1e-9) {
	return a + eps > b ? b + eps > a ? 0 : 1 : -1;
}
using namespace std;


struct node{
	int sum, lz, l, r;
	node(): sum(0), lz(0), l(0), r(0) {}
};

vector<node>seg;

int create(){
	seg.push_back(node());
	return seg.size() - 1;
}

void push(int v, int l, int r){
	if(seg[v].lz){
		seg[v].sum = (r - l + 1) * seg[v].lz;
		if(!seg[v].l) seg[v].l = create();
		if(!seg[v].r) seg[v].r = create();
		seg[seg[v].l].lz = seg[seg[v].r].lz = 1;
		seg[v].lz = 0;
	}
}


void update(int v, int l, int r, int a, int b, int val){
	if(b < l || r < a) return;
	push(v, l, r);
	if(a <= l && r <= b){
		seg[v].lz = 1;
		push(v, l, r);
		return;
	}
	int m = (l + r) >> 1;
	if(!seg[v].l) seg[v].l = create();
	if(!seg[v].r) seg[v].r = create();
	update(seg[v].l, l, m, a, b, val);
	update(seg[v].r, m+1, r, a, b, val);
	push(v, l, r);
	seg[v].sum = seg[seg[v].l].sum + seg[seg[v].r].sum;
}

int query(int v, int l, int r, int a, int b){
	if(b < l || r < a) return 0;
	if(v == 0) return 0;
	push(v, l, r);
	if(a <= l && r <= b){
		return seg[v].sum;
	}
	int m = (l + r) >> 1;
	return query(seg[v].l, l, m, a, b) + query(seg[v].r, m+1, r, a, b);
}

int main() {
	cin.tie(nullptr)->sync_with_stdio(false);
	create();
	create();
	int q;
	cin>>q;
	int c = 0;
	for(int i=0;i<q;i++){
		int op, x, y;
		cin>>op>>x>>y;
		if(op == 2) update(1, 1, int(1e9 + 7), x + c, y + c, 1);
		else{
			int cnt = query(1, 1, int(1e9 + 7), x + c, y + c);
			cout<<cnt<<"\n";
			c = cnt;
		}
	}


	return 0;
}
/*
[  ]Leu o problema certo???
[  ]Ver se precisa de long long
[  ]Viu o limite dos fors (é n? é m?)
[  ]Tamanho do vetor, será que é 2e5 em vez de 1e5??
[  ]Testar sample
[  ]Testar casos de  borda
[  ]1LL no 1LL << i
[  ]Testar mod (é 1e9+7, mesmo?, será que o mod não ficou negativo?)
*/

Subtask #1

0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Incorrect	1 ms	320 KB	Output isn't correct
4	Halted	0 ms	0 KB	-