Submission #870648

# Submission time Handle Problem Language Result Execution time Memory
870648 2023-11-08T16:58:25 Z NoLove Monkey and Apple-trees (IZhO12_apple) C++14
0 / 100
319 ms 262144 KB
/**
 *    author : Lăng Trọng Đạt
 *    created: 08-11-2023 
**/
#include <bits/stdc++.h>
using namespace std;
#ifndef LANG_DAT
#define db(...) ;
#endif // LANG_DAT
#define int int64_t
#define mp make_pair
#define f first
#define s second
#define pb push_back
#define all(v) (v).begin(), (v).end()
using pii = pair<int, int>;

const int MAXN = 2e7 + 5;
struct Node {
    int val, lazy;
    int lc, rc; // left child, right child
    int lb, rb; // left border, right border
} st[MAXN];
ostream& operator<<(ostream& os, Node& v) {
    os << "[" << v.val << " " << v.lb << " " << v.rb << "]";
}
int q, type, l, r;
int id = 2;

void extend(Node& v) {
    if (!v.lc) {
        int mid = (v.lb + v.rb) / 2;
        st[id].lb = v.lb;
        st[id].rb = mid;
        v.lc = id++;

        st[id].lb = mid + 1;
        st[id].rb = v.rb;
        v.rc = id++;
    }
}
void push(Node& v) {
    if (v.lazy) {
        if (v.lb < v.rb) {
            extend(v);
            st[v.lc].lazy = st[v.rc].lazy = 1;
        }
        v.val = v.rb - v.lb + 1;
        v.lazy = 0;
    }
}
void upd(Node& v, int l, int r) {
    // db(v)
    push(v);
    // if (v.lb > r or l > v.rb) return;
    if (l == v.lb && v.rb == r) {
        v.lazy = 1;
        push(v);
    } else {
        extend(v);
        int mid = (v.rb + v.lb) / 2;
        if (l > mid) upd(st[v.rc], l, r);
        else if (r <= mid) upd(st[v.lc], l, r);
        else {
            upd(st[v.lc], l, mid); 
            upd(st[v.rc], mid + 1, r);
        }
        push(st[v.lc]); push(st[v.rc]);
        v.val = st[v.lc].val + st[v.rc].val;
    }
}
int get(Node& v, int l, int r) {
    push(v);
    // db(v)
    // if (v.lb > r or l > v.rb) return 0;
    if (l == v.lb && v.rb == r) {
        return v.val;
    } else {
        extend(v);
        int mid = (v.rb + v.lb) / 2;
        if (l > mid) return get(st[v.rc], l, r);
        else if (r <= mid) return get(st[v.lc], l, r);
        else {
            return get(st[v.lc], l, mid) + 
                   get(st[v.rc], mid + 1, r);
        }
    }
}

int32_t main() {
    // cin.tie(0)->sync_with_stdio(0);
    if (fopen("hi.inp", "r")) {
        freopen("hi.inp", "r", stdin);
//        freopen("hi.out", "w", stdout);
    } 
    st[1].lb = 1; st[1].rb = 1e9 + 50;
    cin >> q;
    int c = 0;
    while (cin >> type >> l >> r) {
        // db(l, r)
        l += c; r += c;
        if (type == 2) {
            upd(st[1], l, r);
        } else {
            c = get(st[1], l, r);
            cout << c << "\n";
        }
    }
}

Compilation message

apple.cpp: In function 'std::ostream& operator<<(std::ostream&, Node&)':
apple.cpp:26:1: warning: no return statement in function returning non-void [-Wreturn-type]
   26 | }
      | ^
apple.cpp: In function 'int32_t main()':
apple.cpp:93:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   93 |         freopen("hi.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 15 ms 8796 KB Output is correct
5 Correct 19 ms 10916 KB Output is correct
6 Correct 19 ms 10844 KB Output is correct
7 Correct 19 ms 10844 KB Output is correct
8 Correct 144 ms 70568 KB Output is correct
9 Correct 286 ms 119748 KB Output is correct
10 Correct 319 ms 134272 KB Output is correct
11 Correct 290 ms 144576 KB Output is correct
12 Correct 289 ms 148564 KB Output is correct
13 Correct 269 ms 181568 KB Output is correct
14 Correct 277 ms 183468 KB Output is correct
15 Runtime error 279 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -