답안 #525590

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
525590 2022-02-12T04:28:40 Z shmad 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
387 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;
	}
	int tm = tl + tr >> 1;
	if (v -> l) upd(v -> l, l, r, val, tl, tm);
	if (v -> r) upd(v -> r, l, r, val, tm + 1, tr);
	v -> sum = (v -> l ? v -> l -> sum : 0) + (v -> r ? v -> r -> sum : 0);
}

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:58:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   58 |  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:69:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   69 |  int tm = tl + tr >> 1;
      |           ~~~^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 17 ms 9380 KB Output is correct
5 Correct 20 ms 11352 KB Output is correct
6 Correct 20 ms 10956 KB Output is correct
7 Correct 23 ms 11332 KB Output is correct
8 Correct 170 ms 86924 KB Output is correct
9 Correct 352 ms 150380 KB Output is correct
10 Correct 377 ms 166576 KB Output is correct
11 Correct 370 ms 179012 KB Output is correct
12 Correct 387 ms 184604 KB Output is correct
13 Correct 347 ms 215236 KB Output is correct
14 Correct 351 ms 217192 KB Output is correct
15 Runtime error 380 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -