답안 #525588

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
525588 2022-02-12T04:26:30 Z shmad 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
418 ms 262148 KB
#pragma GCC optimize("O3", "unroll-loops") // "Ofast"
#pragma GCC target("avx2", "bmi", "bmi2", "lzcnt", "popcnt") 

#include <bits/stdc++.h>

#define int long long
#define vt vector
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define ff first
#define ss second
#define dbg(x) cerr << #x << " = " << x << '\n'

using namespace std;
using ll = long long;
using pii = pair<int, int>;
using vvi = vt< vt<int> >;

const int N = 1e6 + 5, mod = 1e9 + 7, inf = 1e18 + 7, B = 500, LIM = (1ll << 60);
const double eps = 1e-6;

int n;

struct Node {
	int sum, tag;
	Node *l, *r;
	Node () : sum(0), tag(0), l(nullptr), r(nullptr) {}
	Node (Node *x, Node *y) : l(x), r(y), sum(0), tag(0) { sum += (x ? x -> sum : 0) + (y ? y -> sum : 0); }
}*root;                              

void f (Node* &v) {
	if (!v) v = new Node();	
}

void push (Node* &v, int tl, int tr) {
	f(v -> l);
	f(v -> r);
	if (v -> tag) {
		v -> sum = (tr - tl + 1) * v -> tag;
		if (tl != tr) {
			v -> l -> tag = v -> tag;
			v -> r -> tag = v -> tag;
		}
	}
	v -> tag = 0;
}

void upd (Node *v, int l, int r, int val, int tl = 1, int tr = mod) {
	if (!v) return;
	push(v, tl, tr);
	if (tl > r || tr < l) return;
	if (tl >= l && tr <= r) {
	    v -> tag = val;
		push(v, tl, tr);
		return;
	}
	f(v -> l);
	f(v -> r);
	int tm = tl + tr >> 1;
	upd(v -> l, l, r, val, tl, tm);
	upd(v -> r, l, r, val, tm + 1, tr);
	v -> sum = (v -> l -> sum) + (v -> r -> sum);
}

int get (Node *v, int l, int r, int tl = 1, int tr = mod) {
	if (!v) return 0;
	push(v, tl, tr);
	if (tl > r || tr < l) return 0;
	if (tl >= l && tr <= r) return v -> sum;
	int tm = tl + tr >> 1;
	int a = 0;
	if (v -> l) a = get(v -> l, l, r, tl, tm);
	int b = 0;
	if (v -> r) b = get(v -> r, l, r, tm + 1, tr);
	return a + b;
}

void solve () {
	cin >> n;
	root = new Node();
	int c = 0;
	for (int i = 1; i <= n; i++) {
		int tp, x, y;
		cin >> tp >> x >> y;
		if (tp == 1) {
			c = get(root, x + c, y + c);
			cout << c << '\n';
		}
		if (tp == 2) upd(root, x + c, y + c, 1);
	}
	cout << '\n';	
}                                              

bool testcases = 0;

signed main() {
#ifdef ONLINE_JUDGE
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);
#endif
    cin.tie(0) -> sync_with_stdio(0);
    int test = 1;
    if (testcases) cin >> test;
    for (int cs = 1; cs <= test; cs++) {
        solve();
    }
}

Compilation message

apple.cpp: In constructor 'Node::Node(Node*, Node*)':
apple.cpp:27:12: warning: 'Node::r' will be initialized after [-Wreorder]
   27 |  Node *l, *r;
      |            ^
apple.cpp:26:6: warning:   'long long int Node::sum' [-Wreorder]
   26 |  int sum, tag;
      |      ^~~
apple.cpp:29:2: warning:   when initialized here [-Wreorder]
   29 |  Node (Node *x, Node *y) : l(x), r(y), sum(0), tag(0) { sum += (x ? x -> sum : 0) + (y ? y -> sum : 0); }
      |  ^~~~
apple.cpp: In function 'void upd(Node*, long long int, long long int, long long int, long long int, long long int)':
apple.cpp:60:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   60 |  int tm = tl + tr >> 1;
      |           ~~~^~~~
apple.cpp: In function 'long long int get(Node*, long long int, long long int, long long int, long long int)':
apple.cpp:71:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   71 |  int tm = tl + tr >> 1;
      |           ~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 19 ms 9408 KB Output is correct
5 Correct 21 ms 11328 KB Output is correct
6 Correct 22 ms 10916 KB Output is correct
7 Correct 22 ms 11308 KB Output is correct
8 Correct 191 ms 86828 KB Output is correct
9 Correct 370 ms 150316 KB Output is correct
10 Correct 383 ms 166544 KB Output is correct
11 Correct 418 ms 179080 KB Output is correct
12 Correct 414 ms 184716 KB Output is correct
13 Correct 370 ms 215216 KB Output is correct
14 Correct 375 ms 217128 KB Output is correct
15 Runtime error 383 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -