답안 #525589

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
525589 2022-02-12T04:27:51 Z shmad 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
428 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;
	upd(v -> l, l, r, val, tl, tm);
	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 9292 KB Output is correct
5 Correct 21 ms 11300 KB Output is correct
6 Correct 20 ms 10956 KB Output is correct
7 Correct 20 ms 11364 KB Output is correct
8 Correct 198 ms 86916 KB Output is correct
9 Correct 416 ms 150424 KB Output is correct
10 Correct 360 ms 166468 KB Output is correct
11 Correct 382 ms 179168 KB Output is correct
12 Correct 378 ms 184688 KB Output is correct
13 Correct 365 ms 215256 KB Output is correct
14 Correct 362 ms 217152 KB Output is correct
15 Runtime error 428 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -