Submission #870727

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
870727	2023-11-09T02:12:10 Z	NoLove	Monkey and Apple-trees (IZhO12_apple)	C++14	0 / 100	201 ms	262144 KB

apple

/**
 *    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 = 4e7 + 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 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) {
    push(v);
    if (l == v.lb && v.rb == r) {
        v.lazy = 1;
    } 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);
    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);
    } 
    int q, type, l, r;
    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:87:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         freopen("hi.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
apple.cpp:88:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |        freopen("hi.out", "w", stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1

0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	8 ms	8796 KB	Output is correct
5	Correct	10 ms	10844 KB	Output is correct
6	Correct	10 ms	10944 KB	Output is correct
7	Correct	10 ms	11096 KB	Output is correct
8	Correct	86 ms	71228 KB	Output is correct
9	Correct	190 ms	121996 KB	Output is correct
10	Correct	189 ms	136016 KB	Output is correct
11	Correct	193 ms	146420 KB	Output is correct
12	Correct	193 ms	150408 KB	Output is correct
13	Correct	156 ms	183584 KB	Output is correct
14	Correct	157 ms	185888 KB	Output is correct
15	Runtime error	201 ms	262144 KB	Execution killed with signal 9
16	Halted	0 ms	0 KB	-