Submission #525453

# Submission time Handle Problem Language Result Execution time Memory
525453 2022-02-11T16:38:15 Z shmad Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
400 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 *l, Node *r) : l(l), r(r), sum(0), tag(0) { sum += (l ? l -> sum : 0) + (r ? r -> 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) {
	push(v, tl, tr);
	if (tl > r || tr < l || !v) 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) {
	push(v, tl, tr);
	if (tl > r || tr < l || !v) return 0;
	if (tl >= l && tr <= r) return v -> sum;
	f(v -> l);
	f(v -> r);
	int tm = tl + tr >> 1;
	int a = get(v -> l, l, r, tl, tm);
	int 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 *l, Node *r) : l(l), r(r), sum(0), tag(0) { sum += (l ? l -> sum : 0) + (r ? r -> 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:59:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   59 |  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;
      |           ~~~^~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 18 ms 9404 KB Output is correct
5 Correct 29 ms 11488 KB Output is correct
6 Correct 23 ms 11168 KB Output is correct
7 Correct 22 ms 11488 KB Output is correct
8 Correct 176 ms 87780 KB Output is correct
9 Correct 355 ms 152120 KB Output is correct
10 Correct 365 ms 168300 KB Output is correct
11 Correct 400 ms 180808 KB Output is correct
12 Correct 385 ms 186388 KB Output is correct
13 Correct 379 ms 217360 KB Output is correct
14 Correct 359 ms 219320 KB Output is correct
15 Runtime error 376 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -