Submission #673363

# Submission time Handle Problem Language Result Execution time Memory
673363 2022-12-20T11:39:35 Z smartmonky Monkey and Apple-trees (IZhO12_apple) C++14
0 / 100
558 ms 262144 KB
#include <bits/stdc++.h>

#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long

using namespace std;

void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
const int n = 1e12 + 1;
struct node{
    int sum = 0;
    bool flag = 0;
    node *l, *r;
    node(){
        sum = 0, flag = 0;
        l = nullptr;
        r = nullptr;
    }
};
void push(node *&p,int l,int r){
	if(l != r && p ->flag){
		int mid = (l + r) >> 1;
		p -> l -> flag = 1;
		p -> r -> flag = 1;
		p -> l -> sum = (mid - l + 1);
		p -> r -> sum = (r - (mid + 1) + 1); 
	}
	p -> flag = 0;
}
void update(node *&p, int l, int r, int tl = -1e9, int tr = n){
    if(p == nullptr){
        p = new node();
    }
    if(tl > r || tr < l)
        return;
    if(tl >= l && tr <= r){
        p -> sum = (tr - tl + 1);
        p -> flag = 1;
        if(p -> l == nullptr)p -> l = new node();
		if(p -> r == nullptr)p -> r = new node();
        push(p, tl, tr);
        return;
    }
    int mid = (tl + tr) >> 1;
	update(p -> r, l, r, mid + 1, tr);
	update(p -> l, l, r, tl, mid);
	if(p -> l == nullptr)p -> l = new node();
	if(p -> r == nullptr)p -> r = new node();
    push(p, tl, tr);
    p -> sum = p -> l -> sum + p -> r -> sum;
}
int get(node *&p, int l, int r, int tl = -1e9, int tr = n){
	if(p == nullptr){
        p = new node();
    }
    if(p -> l == nullptr)p -> l = new node();
	if(p -> r == nullptr)p -> r = new node();
	push(p, tl, tr);
    if(tl > r || tr < l)
        return 0;
    if(tl >= l && tr <= r)
        return p -> sum;
    push(p, tl, tr);
    int mid = (tl + tr) >> 1;
    return get(p -> r, l, r, mid + 1, tr) + get(p -> l, l, r, tl, mid);
}

main(){
    node *root = new node();
    int n;
    cin >> n;
    int dob = 0;
    for(int i = 0; i < n; i++){
		int t, l, r;
		cin >> t >> l >> r;
		if(t == 2){
			update(root, l + dob, r + dob);
		}else{
			int ans = get(root, l + dob, r + dob);
			cout <<ans <<  endl;
			dob = ans;
		}
	}
}

Compilation message

apple.cpp:72:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   72 | main(){
      | ^~~~
apple.cpp: In function 'void fp(std::string)':
apple.cpp:12:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:12:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | void fp(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 33 ms 8316 KB Output is correct
5 Correct 36 ms 10028 KB Output is correct
6 Correct 34 ms 9704 KB Output is correct
7 Correct 36 ms 9976 KB Output is correct
8 Correct 251 ms 76880 KB Output is correct
9 Correct 481 ms 133660 KB Output is correct
10 Correct 508 ms 147404 KB Output is correct
11 Correct 558 ms 158556 KB Output is correct
12 Correct 522 ms 163264 KB Output is correct
13 Correct 495 ms 191436 KB Output is correct
14 Correct 502 ms 192820 KB Output is correct
15 Runtime error 507 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -